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Cheap flights from Calgary to London Heathrow Airport from C$ 364

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
26 Mar — 2 Apr1
1 adult

Cheapflights Tip: The best prices from Calgary to London Heathrow are usually found in January or February, booked 50 days in advance, depart on a Thursday or Sunday and return on a Friday

Cheap flight deals from Calgary to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 March 2025.

Round-trip from

C$ 810

One-way from

C$ 364

Popular in

July

Cheapest in

January

Average price

C$ 935

Good round-trip deal

C$ 1,062 or less

Good one-way deal

C$ 399 or less
11/5-15/5
  • 11/5-15/5
  • 2 total stops
  • 32h 10m total
  • Calgary to London
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20/5
  • 20/5
  • 1 total stop
  • 31h 10m total
  • Calgary to London
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Highest demand for flights based on searches. 22% potential increase in price (C$ 492 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 56 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Calgary to London Heathrow.
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Price to beat on a one-way flight from Calgary to London Heathrow.
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Find flight deals from Calgary to Heathrow

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

Sun 11/56:15 p.m.YYC - LHR
1 stop17h 20mMultiple Airlines
Thu 15/56:15 a.m.LHR - YYC
1 stop14h 50mMultiple Airlines
Deal found 20/3C$ 810
Wed 16/45:55 p.m.YYC - LHR
1 stop15h 40mWestJet
Mon 21/49:00 a.m.LHR - YYC
1 stop12h 09mWestJet
Deal found 20/3C$ 862
Mon 31/38:10 p.m.YYC - LHR
Nonstop8h 40mAir Canada
Mon 14/42:05 p.m.LHR - YYC
1 stop13h 18mAir Canada
Deal found 20/3C$ 1,004
Mon 6/104:30 p.m.YYC - LHR
1 stop13h 50mLufthansa
Mon 20/109:00 a.m.LHR - YYC
1 stop13h 25mLufthansa
Deal found 19/3C$ 1,007
Thu 24/411:00 a.m.YYC - LHR
2 stops51h 00mAustrian Airlines
Wed 21/512:40 p.m.LHR - YYC
2 stops41h 28mAustrian Airlines
Deal found 20/3C$ 1,093
Tue 25/36:14 a.m.YYC - LHR
2 stops22h 36mUnited Airlines
Tue 1/412:00 p.m.LHR - YYC
2 stops31h 53mUnited Airlines
Deal found 20/3C$ 1,100
Mon 7/412:00 p.m.YYC - LHR
2 stops22h 50mSWISS
Tue 20/57:15 p.m.LHR - YYC
2 stops50h 10mSWISS
Deal found 20/3C$ 1,110

Cheapflights Fare Finder

Customize your flight search to find flights from Calgary to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 21 March 2025.
Use the filters below to find and compare flights from Calgary to London Heathrow Airport that are best for you.

Fly from

Calgary

Fly to

Heathrow

Route

Depart

Return

Price

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 11/5

6:15 p.m.-6:35 p.m.

1 stop17h 20m

London Heathrow

Thu 15/5

6:15 a.m.-2:05 p.m.

1 stop14h 50m

C$ 810

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 16/4

5:55 p.m.-4:35 p.m.

1 stop15h 40m

London Heathrow

Mon 21/4

9:00 a.m.-2:09 p.m.

1 stop12h 09m

C$ 862

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 31/3

8:10 p.m.-11:50 a.m.

Nonstop8h 40m

London Heathrow

Mon 14/4

2:05 p.m.-8:23 p.m.

1 stop13h 18m

C$ 1,004

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 14/4

4:45 p.m.-1:20 p.m.

1 stop13h 35m

London Heathrow

Mon 28/4

10:30 a.m.-1:08 a.m.

2 stops21h 38m

C$ 1,025

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 7/4

12:00 p.m.-9:45 p.m.

2 stops26h 45m

London Heathrow

Tue 20/5

8:05 p.m.-4:53 p.m.

2 stops51h 48m

C$ 1,067

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 24/4

11:00 a.m.-11:50 a.m.

1 stop17h 50m

London Heathrow

Sat 17/5

12:40 p.m.-11:08 p.m.

2 stops41h 28m

C$ 1,093

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 15/4

6:15 a.m.-9:40 a.m.

1 stop20h 25m

London Heathrow

Mon 28/4

12:20 p.m.-12:19 p.m.

1 stop30h 59m

C$ 1,100

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 24/4

11:00 a.m.-8:55 p.m.

2 stops26h 55m

London Heathrow

Fri 9/5

6:50 a.m.-3:47 p.m.

2 stops15h 57m

C$ 1,166

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 20/5

7:00 p.m.-9:10 a.m.

1 stop31h 10m

C$ 364

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 11/6

8:35 p.m.-12:05 p.m.

Nonstop8h 30m

C$ 367

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/3

Showing 1-10 of 14 results
1
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Best time to book a flight from Calgary to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Calgary to Heathrow. Price data was last updated on 14 March 2025.

The price you pay for your flight from Calgary to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 50 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 Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Calgary to London Heathrow Airport (average of C$ 560). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of C$ 874). 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 LHR?

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

One of the essential ways to save on airfare from Calgary to London Heathrow Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 41% on airfare.

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

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

Travelers seeking maximum savings on their Calgary to London Heathrow Airport flight should consider departing on Monday mornings 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 Heathrow Airport

Explore weekly flight availability from Calgary to Heathrow. 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 March 2025.

The most flights from YYC to LHR are scheduled on a Wednesday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, 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).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 21 March 2025.
Read through reviews of airlines operating flights from Calgary to London, such as Austrian Airlines, SWISS and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
768 reviews
Check prices

Overall

7.6

Comfort

7.3

Crew

8.1

Food

6.8

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
768 reviews
Austrian Airlines
7.6
Good
768 reviews
Check prices

Overall

7.6

Comfort

7.3

Crew

8.1

Food

6.8

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
SWISS
7.5
Good
1,567 reviews
Austrian Airlines
7.6
Good
768 reviews
Check prices

Overall

7.6

Comfort

7.3

Crew

8.1

Food

6.8

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
United Airlines
7.4
Good
8,605 reviews
Austrian Airlines
7.6
Good
768 reviews
Check prices

Overall

7.6

Comfort

7.3

Crew

8.1

Food

6.8

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
WestJet
7.2
Good
2,783 reviews
Austrian Airlines
7.6
Good
768 reviews
Check prices

Overall

7.6

Comfort

7.3

Crew

8.1

Food

6.8

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Air Canada
7.0
Good
8,914 reviews
Austrian Airlines
7.6
Good
768 reviews
Check prices

Overall

7.6

Comfort

7.3

Crew

8.1

Food

6.8

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Related info for your journey

Find useful and relevant information for your journey from Calgary to Heathrow. 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 Heathrow?

    Calgary (YYC), located 9.3 km from the city centre, is the airport you fly out of when you book flights from Calgary to London Heathrow. 7 airlines have flights from Calgary to London Heathrow on a regular basis. Booking flights from Calgary to London Heathrow should not be difficult; the airport handles an average of 11 outbound flights to London Heathrow per day.

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

    According to our current data, WestJet (C$ 862), Air Canada (C$ 1,004), and Lufthansa (C$ 1,025) offers the cheapest pricing from Calgary to London Heathrow Airport. You may be able to fly from Calgary to London Heathrow Airport for 26% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 367. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Calgary to London Heathrow Airport for a low price.

  • What are the most reliable airlines from Calgary to London Heathrow Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Calgary to London Heathrow Airport on time: Air Canada (58%), Aegean Airlines (58%), Thai Airways (58%).

  • What are the cheapest flights from Calgary to London Heathrow Airport?

    Looking for the cheapest flight from Calgary to London Heathrow Airport? While on average our users pay C$ 2,630, our data indicates the cheapest price to be C$ 234. The most popular route (Calgary - London Heathrow), is priced around C$ 810.

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

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

  • How can I find direct flights from Calgary to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Calgary to Heathrow 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 Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Calgary to London Heathrow Airport (average of C$ 560). Flying from Calgary to London Heathrow Airport in July is currently the most expensive (average of C$ 874). 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

Travelling to a place near Calgary?

Book flights to Calgary if you plan to visit one of these locations
Brentford
Hounslow
Sutton
Slough
Milton Keynes
Romford
Watford
Luton
Bromley
Bedford
Southall

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Fly from Calgary to Heathrow on these airlines

Choose from the following airlines for your flight from Calgary to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 21 March 2025.
WestJet flights from Calgary to London Heathrow
Air Canada flights from Calgary to London Heathrow
Lufthansa flights from Calgary to London Heathrow

Top 7 airlines flying from Calgary to Heathrow

Discover the top 7 airlines that operate flights from Calgary to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 21 March 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 656AverageC$ 1,073FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Virgin AtlanticCheapestC$ 734AverageC$ 878FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapestC$ 807AverageC$ 1,230FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 809AverageC$ 1,260FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapestC$ 836AverageC$ 1,316FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 1,014AverageC$ 1,230FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapestC$ 1,034AverageC$ 1,387FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Calgary to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Calgary to Heathrow for you. Better yet — we are completely free to use.

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

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

Can Cheapflights notify me if prices for flights from Calgary to Heathrow become cheaper?

Yes! Start tracking prices for Calgary to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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