What are the cheapest airlines flying from Calgary to London round-trip?

Porter Airlines, at C$ 962, was found to be the cheapest airline from Calgary to London.Alternate airlines to your destination round-trip include Lufthansa and American Airlines. Porter Airlines is currently priced 6% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Calgary to London one-way?

C$ 431 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on WestJet and Air Transat, with prices starting from C$ 432 and C$ 438, respectively.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Calgary to London?

The most popular route from Calgary to London is Calgary - London Heathrow. You may also consider Calgary - London Gatwick or Calgary - London City.

What are the cheapest flights from Calgary to London?

On average you can expect to pay C$ 2,982 for a flight from Calgary to London. The cheapest flight overall is C$ 435 while the most popular route, (Calgary - London Heathrow) is currently priced at C$ 620.

What are the most reliable airlines from Calgary to London?

Before booking your flight to London from Calgary, check out the most reliable airlines to get you to your destination on time: Croatia Airlines (94%), Air Canada (87%), Aegean Airlines( 87%).

What are the most popular airlines that fly from Calgary to London?

Air Canada, British Airways and Delta are the most popular airlines when flying from Calgary to London.

What is the cheapest day to fly round-trip from Calgary to London?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 10%.

How far in advance should I book a flight from Calgary to London?

Travellers have found it’s best to book a flight 29 days in advance to save up to 28% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 29 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Calgary to London 1-2 weeks in advance for as low as C$ 848, or C$ 1,008 for flights within the next 24 hours.

What is the cheapest month to fly from Calgary to London?

The best pricing can be found in the month of January. Prices to London from Calgary average C$ 1,028. You can even find prices in January for less than C$ 1,028, as users have found deals to London from as low as C$ 583. The month of December appears to be one of the more expensive times to travel to London from Calgary. Flying in the targeted month can save you up to 28%.

What airport do you fly from for flights from Calgary to London?

Most people fly from Calgary (YYC) if they book a flight from Calgary to London. On average, Calgary has 11 outbound flights to London per day from 9 airlines. Calgary is conveniently located just 9.3 km from Calgary’s city centre.

Can I find deals for flights from Calgary to London that include hotel bookings?

Yes. In addition to deals on Calgary to London flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Calgary to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Calgary to London.

Can I find deals for business class flights from Calgary to London?

Yes. Cheapflights offers flight deals from Calgary to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 431+ Flights from Calgary to London

Cheapflights Tip: The best prices from Calgary to London are usually found in January or February, booked 28 days in advance, depart on a Thursday or Sunday and return on a Wednesday

Cheap flight deals from Calgary to London

Round-trip from	C$ 962
One-way from	C$ 431
Popular in	December
Cheapest in	January
Average price	C$ 1,321
Good round-trip deal	C$ 1,045 or less
Good one-way deal	C$ 607 or less

Porter Airlines
1/9-4/9
2 total stops
43h 14m total
Calgary to London

Search Deals

Porter Airlines
30/7
1 total stop
15h 15m total
Calgary to London

Search Deals

High demand for flights, 6% potential price rise

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 39 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Price to beat on a round-trip flight from Calgary to London (LON).

Search Deals

Price to beat on a one-way flight from Calgary to London (LON).

Search Deals

Find flight deals from Calgary to London

Cheapest flights from Calgary to London
Explore the most affordable flight options available from Calgary to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 July 2025.

Thu 4/96:45 a.m.YYC - LHR

1 stop24h 40mFinnair

Thu 11/92:25 p.m.LHR - YYC

1 stop15h 54mFinnair

Deal found 21/7C$ 959

Mon 1/911:55 p.m.YYC - LGW

1 stop27h 50mPorter Airlines

Thu 4/912:40 p.m.LGW - YYC

1 stop15h 24mPorter Airlines

Deal found 18/7C$ 962

Mon 6/104:50 p.m.YYC - LCY

1 stop16h 35mLufthansa

Wed 29/109:50 a.m.LCY - YYC

1 stop12h 35mLufthansa

Deal found 21/7C$ 962

Wed 24/129:40 a.m.YYC - LHR

2 stops27h 55mLufthansa

Fri 9/19:00 a.m.LHR - YYC

2 stops22h 14mLufthansa

Deal found 19/7C$ 962

Sun 31/87:15 p.m.YYC - LTN

1 stop29h 35mMultiple Airlines

Fri 12/94:20 p.m.LTN - YYC

1 stop28h 48mMultiple Airlines

Deal found 19/7C$ 962

Sun 7/96:45 a.m.YYC - LHR

1 stop19h 15mBritish Airways

Sat 13/98:20 a.m.LHR - YYC

1 stop20h 30mBritish Airways

Deal found 20/7C$ 963

Fri 3/101:10 a.m.YYC - LHR

1 stop22h 20mAir Canada

Tue 14/102:10 p.m.LHR - YYC

1 stop14h 42mAir Canada

Deal found 19/7C$ 967

Sun 14/97:15 p.m.YYC - STN

1 stop12h 25mMultiple Airlines

Wed 17/99:05 a.m.STN - YYC

1 stop12h 05mMultiple Airlines

Deal found 21/7C$ 969

Mon 8/96:29 a.m.YYC - LGW

2 stops30h 31mBritish Airways

Mon 15/98:40 p.m.LGW - YYC

2 stops33h 39mBritish Airways

Deal found 18/7C$ 970

Sun 9/116:30 a.m.YYC - LCY

2 stops29h 05mBritish Airways

Fri 14/116:50 a.m.LCY - YYC

2 stops21h 57mBritish Airways

Deal found 20/7C$ 970

Sun 28/91:10 a.m.YYC - LHR

1 stop25h 25mMultiple Airlines

Mon 13/107:25 a.m.LHR - YYC

1 stop15h 00mMultiple Airlines

Deal found 20/7C$ 971

Sun 5/106:40 a.m.YYC - LCY

2 stops17h 35mDelta

Mon 13/108:40 a.m.LCY - YYC

1 stop11h 40mDelta

Deal found 19/7C$ 974

Best flights from Calgary to London
Discover carefully curated flight deals from Calgary to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 July 2025.

Mon 1/911:55 p.m.YYC - LGW

1 stop27h 50mPorter Airlines

Thu 4/912:40 p.m.LGW - YYC

1 stop15h 24mPorter Airlines

Deal found 18/7C$ 962

Mon 6/104:50 p.m.YYC - LCY

1 stop16h 35mLufthansa

Wed 29/109:50 a.m.LCY - YYC

1 stop12h 35mLufthansa

Deal found 21/7C$ 962

Sun 31/87:15 p.m.YYC - LTN

1 stop29h 35mMultiple Airlines

Fri 12/94:20 p.m.LTN - YYC

1 stop28h 48mMultiple Airlines

Deal found 19/7C$ 962

Fri 26/96:29 a.m.YYC - LHR

1 stop17h 51mAmerican Airlines

Wed 8/108:50 a.m.LHR - YYC

2 stops20h 04mAmerican Airlines

Deal found 19/7C$ 963

Fri 19/96:45 a.m.YYC - LHR

2 stops25h 30mBritish Airways

Fri 26/96:20 a.m.LHR - YYC

2 stops22h 30mBritish Airways

Deal found 21/7C$ 964

Fri 3/101:10 a.m.YYC - LHR

1 stop22h 20mAir Canada

Tue 14/102:10 p.m.LHR - YYC

1 stop14h 42mAir Canada

Deal found 19/7C$ 967

Sun 5/106:40 a.m.YYC - LCY

2 stops17h 35mDelta

Mon 13/108:40 a.m.LCY - YYC

1 stop11h 40mDelta

Deal found 19/7C$ 974

Tue 23/129:10 p.m.YYC - LHR

Nonstop8h 40mWestJet

Wed 31/122:50 p.m.LHR - YYC

Nonstop9h 05mWestJet

Deal found 20/7C$ 974

Fri 31/104:40 p.m.YYC - LCY

1 stop10h 50mKLM

Mon 10/119:20 a.m.LCY - YYC

1 stop11h 20mKLM

Deal found 20/7C$ 988

Wed 24/123:30 p.m.YYC - LHR

3 stops22h 50mUnited Airlines

Wed 7/17:40 a.m.LHR - YYC

1 stop35h 14mUnited Airlines

Deal found 20/7C$ 1,015

Sun 31/88:00 a.m.YYC - LGW

1 stop18h 50mAir Transat

Sun 14/99:40 a.m.LGW - YYC

1 stop21h 19mAir Transat

Deal found 18/7C$ 1,017

Mon 18/81:29 p.m.YYC - LHR

1 stop15h 46mFinnair

Mon 25/82:25 p.m.LHR - YYC

1 stop16h 04mFinnair

Deal found 19/7C$ 1,019

Direct flights from Calgary to London
Explore direct flight options from Calgary to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 July 2025.

Sat 11/108:10 p.m.YYC - LHR

Nonstop8h 40mLufthansa

Sat 18/1010:15 a.m.LHR - YYC

Nonstop8h 55mLufthansa

Deal found 19/7C$ 967

Sat 4/108:35 p.m.YYC - LHR

Nonstop8h 30mWestJet

Tue 14/102:10 p.m.LHR - YYC

Nonstop8h 50mWestJet

Deal found 19/7C$ 975

Mon 11/88:10 p.m.YYC - LHR

Nonstop8h 40mAir Canada

Fri 31/103:00 p.m.LHR - YYC

Nonstop9h 00mAir Canada

Deal found 20/7C$ 997

Last-minute flights from Calgary to London
Discover last-minute flight deals from Calgary to London. Data last updated 21 July 2025 and is based on user searches.

Sun 27/78:00 a.m.YYC - LGW

1 stop18h 50mAir Transat

Wed 27/811:35 a.m.LGW - YYC

1 stop17h 55mAir Transat

Deal found 20/7C$ 1,078

Sun 27/78:10 p.m.YYC - LHR

Nonstop8h 40mAir Canada

Wed 27/89:30 a.m.LHR - YYC

1 stop13h 22mAir Canada

Deal found 20/7C$ 1,209

Mon 28/77:00 a.m.YYC - LGW

1 stop20h 45mPorter Airlines

Mon 18/811:35 a.m.LGW - YYC

1 stop17h 55mPorter Airlines

Deal found 19/7C$ 1,040

Mon 28/76:29 a.m.YYC - LHR

1 stop20h 51mBritish Airways

Wed 3/96:15 a.m.LHR - YYC

2 stops24h 04mBritish Airways

Deal found 20/7C$ 1,040

Mon 28/76:29 a.m.YYC - LHR

1 stop20h 51mAmerican Airlines

Wed 13/88:55 a.m.LHR - YYC

2 stops21h 34mAmerican Airlines

Deal found 19/7C$ 1,074

Mon 28/77:55 p.m.YYC - STN

1 stop13h 10mMultiple Airlines

Mon 18/86:25 a.m.STN - YYC

2 stops21h 10mMultiple Airlines

Deal found 19/7C$ 1,113

Tue 29/71:27 p.m.YYC - LHR

1 stop13h 53mFinnair

Tue 19/812:15 p.m.LHR - YYC

1 stop18h 14mFinnair

Deal found 20/7C$ 1,029

Tue 29/77:00 a.m.YYC - LTN

2 stops32h 10mMultiple Airlines

Tue 19/86:00 p.m.LTN - YYC

2 stops23h 35mMultiple Airlines

Deal found 20/7C$ 1,029

Tue 29/76:45 a.m.YYC - LHR

1 stop21h 05mIberia

Mon 11/84:25 p.m.LHR - YYC

1 stop36h 33mIberia

Deal found 19/7C$ 1,121

Tue 29/77:00 a.m.YYC - LGW

1 stop17h 55mMultiple Airlines

Tue 19/89:20 a.m.LGW - YYC

2 stops32h 15mMultiple Airlines

Deal found 20/7C$ 1,126

Thu 31/74:55 p.m.YYC - LCY

1 stop12h 35mMultiple Airlines

Fri 7/119:55 a.m.LCY - YYC

1 stop12h 30mMultiple Airlines

Deal found 21/7C$ 1,146

Thu 31/78:35 p.m.YYC - LHR

Nonstop8h 30mWestJet

Fri 7/112:50 p.m.LHR - YYC

Nonstop9h 05mWestJet

Deal found 21/7C$ 1,196

One-way flights from Calgary to London
Search for one-way flight options from Calgary to London. Find affordable one-way fares based on user searches. Data last updated 21 July 2025.

Wed 30/712:30 p.m.YYC - LGW

1 stop15h 15mPorter Airlines

Deal found 20/7C$ 431

Sun 10/87:15 p.m.YYC - LTN

2 stops17h 10mMultiple Airlines

Deal found 18/7C$ 431

Sun 5/106:15 p.m.YYC - LHR

1 stop12h 30mWestJet

Deal found 20/7C$ 432

Mon 29/911:15 a.m.YYC - LGW

2 stops28h 45mMultiple Airlines

Deal found 19/7C$ 434

Mon 29/912:15 p.m.YYC - LHR

2 stops16h 40mMultiple Airlines

Deal found 19/7C$ 434

Sun 17/86:45 p.m.YYC - STN

1 stop29h 55mMultiple Airlines

Deal found 18/7C$ 435

Thu 24/78:00 a.m.YYC - LGW

1 stop18h 50mAir Transat

Deal found 20/7C$ 438

Sat 20/99:15 p.m.YYC - LGW

1 stop29h 10mWestJet

Deal found 21/7C$ 460

Wed 30/76:15 p.m.YYC - SEN

1 stop19h 35mMultiple Airlines

Deal found 19/7C$ 469

Wed 24/97:15 p.m.YYC - LCY

1 stop19h 10mMultiple Airlines

Deal found 19/7C$ 469

Cheapflights Fare Finder

Use the filters below to find and compare flights from Calgary to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 4/9

6:45 a.m.-2:25 p.m.

1 stop24h 40m

London Heathrow

Thu 11/9

2:25 p.m.-11:19 p.m.

1 stop15h 54m

C$ 959

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Mon 1/9

11:55 p.m.-10:45 a.m.

1 stop27h 50m

London Gatwick

Thu 4/9

12:40 p.m.-9:04 p.m.

1 stop15h 24m

C$ 962

CalgaryLondon

YYC - LCY

YYCLCY

Calgary

Mon 6/10

4:50 p.m.-4:25 p.m.

1 stop16h 35m

London City

Wed 29/10

9:50 a.m.-4:25 p.m.

1 stop12h 35m

C$ 962

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Sun 31/8

7:15 p.m.-7:50 a.m.

1 stop29h 35m

London Luton

Fri 12/9

4:20 p.m.-2:08 p.m.

1 stop28h 48m

C$ 962

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 24/12

9:40 a.m.-8:35 p.m.

2 stops27h 55m

London Heathrow

Thu 8/1

6:00 p.m.-7:14 p.m.

1 stop32h 14m

C$ 962

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 7/9

6:45 a.m.-9:00 a.m.

1 stop19h 15m

London Heathrow

Sat 13/9

8:20 a.m.-9:50 p.m.

1 stop20h 30m

C$ 963

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 3/10

1:10 a.m.-6:30 a.m.

1 stop22h 20m

London Heathrow

Tue 14/10

2:10 p.m.-9:52 p.m.

1 stop14h 42m

C$ 967

CalgaryLondon

YYC - STN

YYCSTN

Calgary

Sun 14/9

7:15 p.m.-2:40 p.m.

1 stop12h 25m

London Stansted

Wed 17/9

9:05 a.m.-2:10 p.m.

1 stop12h 05m

C$ 969

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Mon 8/9

6:29 a.m.-8:00 p.m.

2 stops30h 31m

London Gatwick

Mon 15/9

8:40 p.m.-11:19 p.m.

2 stops33h 39m

C$ 970

CalgaryLondon

YYC - LCY

YYCLCY

Calgary

Sun 9/11

6:30 a.m.-6:35 p.m.

2 stops29h 05m

London City

Fri 14/11

6:50 a.m.-9:47 p.m.

2 stops21h 57m

C$ 970

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/7

Showing 1-10 of 31 results

Best time to book a flight from Calgary to London

Have a flexible travel schedule? Discover the best time to fly to London from Calgary with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Calgary to London

How far ahead should I book a flight from Calgary to London?

The price you pay for your flight from Calgary to London may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Calgary to London?

Currently, January is the cheapest month in which you can book a flight from Calgary to London (average of C$ 560). Flying from Calgary to London in July is currently the most expensive (average of C$ 858). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YYC to LON?

It’s typically best to fly out from Calgary to London in the morning. Doing so could potentially save you 43% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Calgary to London?

Travelers seeking maximum savings on their Calgary to London flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Calgary to London

The most flights from YYC to LON are scheduled on a Tuesday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

Reviews of airlines servicing London

Read reviews from past customers who have flown Porter Airlines,Delta, andKLM from Calgary to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

312 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make

Porter Airlines

8.0

Very good

312 reviews

Porter Airlines

8.0

Very good

312 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Shawn,Jul 2025

EWR - YTZ

Delta

8.0

Very good

7,962 reviews

Porter Airlines

8.0

Very good

312 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Shawn,Jul 2025

EWR - YTZ

KLM

7.8

Good

1,374 reviews

Porter Airlines

8.0

Very good

312 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Shawn,Jul 2025

EWR - YTZ

Air Transat

7.7

Good

419 reviews

Porter Airlines

8.0

Very good

312 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Shawn,Jul 2025

EWR - YTZ

Finnair

7.6

Good

1,316 reviews

Porter Airlines

8.0

Very good

312 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Shawn,Jul 2025

EWR - YTZ

Related info for your journey

What airport do you fly from for flights from Calgary to London?
Most people fly from Calgary (YYC) if they book a flight from Calgary to London. On average, Calgary has 11 outbound flights to London per day from 9 airlines. Calgary is conveniently located just 9.3 km from Calgary’s city centre.
What are the cheapest airlines flying from Calgary to London round-trip?
Porter Airlines, at C$ 962, was found to be the cheapest airline from Calgary to London.Alternate airlines to your destination round-trip include Lufthansa and American Airlines. Porter Airlines is currently priced 6% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Calgary to London one-way?
C$ 431 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on WestJet and Air Transat, with prices starting from C$ 432 and C$ 438, respectively.
What are the most popular routes from Calgary to London?
The most popular route from Calgary to London is Calgary - London Heathrow. You may also consider Calgary - London Gatwick or Calgary - London City.
What are the most reliable airlines from Calgary to London?
Before booking your flight to London from Calgary, check out the most reliable airlines to get you to your destination on time: Croatia Airlines (94%), Air Canada (87%), Aegean Airlines( 87%).
What are the cheapest flights from Calgary to London?
On average you can expect to pay C$ 2,982 for a flight from Calgary to London. The cheapest flight overall is C$ 435 while the most popular route, (Calgary - London Heathrow) is currently priced at C$ 620.
Can I find deals for flights from Calgary to London that include hotel bookings?
Yes. In addition to deals on Calgary to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Calgary to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Calgary to London.
Can I find deals for business class flights from Calgary to London?
Yes. Cheapflights offers flight deals from Calgary to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Calgary to London?
Currently, January is the cheapest month in which you can book a flight from Calgary to London (average of C$ 560). Flying from Calgary to London in July is currently the most expensive (average of C$ 858). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Brentford

Sutton

Slough

Hounslow

Milton Keynes

Romford

Watford

Luton

Bromley

Bedford

Southall

Browse thousands of different options on Cheapflights for your next trip

Top 9 airlines flying from Calgary to London

Airline	Cheapest	Average	Flexibility	On-time
WestJet	CheapestC$ 629	AverageC$ 1,023	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
KLM	CheapestC$ 696	AverageC$ 1,042	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Virgin Atlantic	CheapestC$ 702	AverageC$ 849	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Air Canada	CheapestC$ 767	AverageC$ 1,177	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	CheapestC$ 771	AverageC$ 1,204	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Transat	CheapestC$ 789	AverageC$ 1,092	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Delta	CheapestC$ 800	AverageC$ 1,259	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Porter Airlines	CheapestC$ 827	AverageC$ 956	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
British Airways	CheapestC$ 971	AverageC$ 1,173	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Calgary to London?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Calgary today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Calgary to London?

Cheapflights helps you find that perfect flight to London from Calgary by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Calgary to London with no change fees?

Certainly. Search results for flights to London from Calgary shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Not ready to book yet? You can track prices for flights from Calgary to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Calgary to London from C$ 431

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Calgary to London are usually found in January or February, booked 28 days in advance, depart on a Thursday or Sunday and return on a Wednesday

Cheap flight deals from Calgary to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

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Find flight deals from Calgary to London

Cheapest flights from Calgary to LondonExplore the most affordable flight options available from Calgary to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 July 2025.

Explore the most affordable flight options available from Calgary to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 July 2025.

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Use the filters below to find and compare flights from Calgary to London that are best for you.

Best time to book a flight from Calgary to London

Have a flexible travel schedule? Discover the best time to fly to London from Calgary with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Calgary to London

How far ahead should I book a flight from Calgary to London?

Use this chart to determine the optimal time to book a round-trip flight from Calgary to London. Price data was last updated on 18 July 2025.

What is the cheapest month to book a flight from Calgary to London?

What is the cheapest time of day to fly from YYC to LON?

Find hourly flight availability from Calgary to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 July 2025.

What is the cheapest day to fly from Calgary to London?

Use this chart to determine the cheapest time to fly round-trip from Calgary to London. Price data was last updated on 16 December 2024.

Weekly flight availability from Calgary to London

Explore weekly flight availability from Calgary to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 July 2025.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 21 July 2025.

Read reviews from past customers who have flown Porter Airlines,Delta, andKLM from Calgary to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Calgary to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Calgary to London?

What are the cheapest airlines flying from Calgary to London round-trip?

What are the cheapest airlines to fly from Calgary to London one-way?

What are the most popular routes from Calgary to London?

What are the most reliable airlines from Calgary to London?

What are the cheapest flights from Calgary to London?

Can I find deals for flights from Calgary to London that include hotel bookings?

How can I find direct flights from Calgary to London?

Can I find deals for business class flights from Calgary to London?

What is the cheapest month to book a flight from Calgary to London?

Travelling to a place near London?

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Fly from Calgary to London on these airlines

Choose from the following airlines for your flight from Calgary to London. Flights are based on user searches made on Cheapflights and were last updated on 21 July 2025.

Top 9 airlines flying from Calgary to London

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Cheapest flights from Calgary to London
Explore the most affordable flight options available from Calgary to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 July 2025.