What are the cheapest airlines to fly from Ottawa to United Kingdom one-way?

One-way options have recently been found by users for as low as C$ 399 on WestJet. Other airlines that offer cheap prices include Aer Lingus from C$ 606 and Porter Airlines from C$ 616 one-way.

What are the most popular routes from Ottawa to United Kingdom?

While some choose either Ottawa - London Gatwick or Ottawa - London City, Ottawa - London Heathrow is the most popular route from Ottawa to United Kingdom.

What are the cheapest flights from Ottawa to United Kingdom?

Looking for the cheapest flight from Ottawa to United Kingdom? While on average our users pay C$ 1,571, our data indicates the cheapest price to be C$ 826. The most popular route (Ottawa - London Heathrow), is priced around C$ 884.

What are the most reliable airlines from Ottawa to United Kingdom?

No one likes to see their flight delayed. When booking a flight from Ottawa to United Kingdom consider choosing Air Canada (100%), Aegean Airlines (100%) or Austrian Airlines (100%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Ottawa to United Kingdom?

Before booking your flight from Ottawa to United Kingdom check out the most popular airlines for this route: Air Canada, Air France or Lufthansa.

How far in advance should I book a flight from Ottawa to United Kingdom?

Find a great deal and save up to 1% by booking at least 36 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ottawa to United Kingdom within the next two weeks, with the cheapest ticket starting at C$ 955.

What is the cheapest month to fly from Ottawa to United Kingdom?

February is one of the best times of the year to fly to United Kingdom from Ottawa. Prices for February average C$ 1,066 per person but you can even find prices for as low as C$ 800. The most expensive prices can be found in the month of December. Opting for a February flight can save you 23% on your journey compared to booking in December

What airport do you fly from for flights from Ottawa to United Kingdom?

If you book a flight to United Kingdom from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa.

Can I find deals for flights from Ottawa to United Kingdom that include hotel bookings?

Yes. In addition to deals on Ottawa to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ottawa to United Kingdom?

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

Can I find deals for business class flights from Ottawa to United Kingdom?

Yes. Cheapflights offers flight deals from Ottawa to United Kingdom 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$ 906+ Flights from Ottawa to the United Kingdom

Cheap flight deals from Ottawa to United Kingdom

Round-trip from	C$ 839
One-way from	C$ 366
Popular in	December
Cheapest in	February
Average price	C$ 993
Good round-trip deal	C$ 996 or less
Good one-way deal	C$ 1,075 or less

20/5-27/5
2 total stops
55h 21m total
Ottawa to United Kingdom

Search Deals

30/5
1 total stop
17h 45m total
Ottawa to United Kingdom

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 80 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from Ottawa to United Kingdom.

Search Deals

Price to beat on a one-way flight from Ottawa to United Kingdom.

Search Deals

Find flight deals from Ottawa to United Kingdom

Cheapest flights from Ottawa to United Kingdom
Explore the most affordable flight options available from Ottawa to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Tue 20/55:55 a.m.YOW - EDI

1 stop23h 10mMultiple Airlines

Tue 27/59:40 a.m.EDI - YOW

1 stop32h 11mMultiple Airlines

Deal found 14/4C$ 839

Thu 19/611:20 a.m.YOW - LGW

1 stop15h 35mPorter Airlines

Mon 30/69:40 a.m.LGW - YOW

1 stop19h 41mPorter Airlines

Deal found 15/4C$ 893

Fri 16/55:55 a.m.YOW - LGW

2 stops46h 55mMultiple Airlines

Fri 6/611:35 a.m.LGW - YOW

2 stops17h 47mMultiple Airlines

Deal found 15/4C$ 894

Thu 19/67:00 a.m.YOW - LGW

1 stop19h 55mAir Transat

Fri 27/69:40 a.m.LGW - YOW

1 stop29h 41mAir Transat

Deal found 15/4C$ 898

Thu 9/105:15 p.m.YOW - LHR

1 stop9h 45mVirgin Atlantic

Wed 29/106:20 a.m.LHR - YOW

1 stop13h 50mVirgin Atlantic

Deal found 15/4C$ 901

Fri 30/55:55 a.m.YOW - STN

2 stops27h 55mMultiple Airlines

Fri 6/66:40 a.m.STN - YOW

2 stops22h 42mMultiple Airlines

Deal found 15/4C$ 908

Thu 9/106:40 p.m.YOW - LHR

1 stop10h 20mMultiple Airlines

Wed 29/108:55 a.m.LHR - YOW

2 stops16h 22mMultiple Airlines

Deal found 15/4C$ 909

Thu 9/106:55 p.m.YOW - LHR

Nonstop6h 35mAir Canada

Tue 28/106:50 a.m.LHR - YOW

2 stops12h 58mAir Canada

Deal found 15/4C$ 911

Thu 9/1010:25 a.m.YOW - LHR

1 stop19h 15mUnited Airlines

Fri 31/108:55 a.m.LHR - YOW

2 stops18h 48mUnited Airlines

Deal found 15/4C$ 912

Fri 10/102:20 p.m.YOW - GLA

1 stop11h 30mAir Transat

Fri 17/108:35 a.m.GLA - YOW

1 stop16h 26mAir Transat

Deal found 15/4C$ 926

Mon 13/103:55 p.m.YOW - LCY

2 stops21h 50mSWISS

Tue 21/107:20 p.m.LCY - YOW

2 stops50h 59mSWISS

Deal found 15/4C$ 934

Tue 7/103:55 p.m.YOW - LGW

2 stops20h 55mSWISS

Tue 21/106:35 p.m.LGW - YOW

2 stops29h 29mSWISS

Deal found 15/4C$ 941

Best flights from Ottawa to United Kingdom
Discover carefully curated flight deals from Ottawa to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 15 April 2025.

Tue 20/55:55 a.m.YOW - EDI

1 stop23h 10mMultiple Airlines

Tue 27/59:40 a.m.EDI - YOW

1 stop32h 11mMultiple Airlines

Deal found 14/4C$ 839

Sat 21/611:20 a.m.YOW - LGW

1 stop18h 25mPorter Airlines

Tue 1/79:40 a.m.LGW - YOW

1 stop16h 31mPorter Airlines

Deal found 15/4C$ 896

Mon 2/67:00 a.m.YOW - LGW

1 stop22h 45mAir Transat

Mon 30/69:40 a.m.LGW - YOW

1 stop29h 41mAir Transat

Deal found 15/4C$ 902

Sun 4/56:15 p.m.YOW - LHR

1 stop12h 10mUnited Airlines

Sun 11/59:00 a.m.LHR - YOW

2 stops29h 58mUnited Airlines

Deal found 14/4C$ 918

Thu 1/51:55 p.m.YOW - LHR

1 stop11h 40mAir Canada

Wed 7/52:05 p.m.LHR - YOW

1 stop13h 02mAir Canada

Deal found 15/4C$ 936

Mon 28/44:45 p.m.YOW - LHR

1 stop12h 15mLufthansa

Thu 8/56:55 a.m.LHR - YOW

2 stops15h 09mLufthansa

Deal found 15/4C$ 959

Mon 7/75:55 a.m.YOW - EDI

1 stop23h 10mWestJet

Sat 12/711:30 a.m.EDI - YOW

1 stop17h 52mWestJet

Deal found 14/4C$ 975

Wed 7/53:55 p.m.YOW - LGW

2 stops21h 00mSWISS

Wed 14/56:35 p.m.LGW - YOW

2 stops51h 29mSWISS

Deal found 14/4C$ 986

Thu 9/105:15 p.m.YOW - BHX

2 stops14h 30mKLM

Mon 20/106:00 a.m.BHX - YOW

2 stops14h 05mKLM

Deal found 15/4C$ 986

Wed 4/64:05 p.m.YOW - LHR

2 stops13h 10mBrussels Airlines

Mon 9/66:50 a.m.LHR - YOW

2 stops12h 00mBrussels Airlines

Deal found 14/4C$ 991

Thu 9/105:15 p.m.YOW - BHX

1 stop19h 35mAir France

Mon 20/106:15 a.m.BHX - YOW

1 stop13h 50mAir France

Deal found 15/4C$ 1,018

Sun 4/57:55 p.m.YOW - LHR

1 stop31h 40mAustrian Airlines

Tue 16/910:25 a.m.LHR - YOW

2 stops35h 54mAustrian Airlines

Deal found 15/4C$ 1,207

Direct flights from Ottawa to United Kingdom
Explore direct flight options from Ottawa to United Kingdom based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 April 2025.

Wed 24/99:00 p.m.YOW - LHR

Nonstop6h 35mAir Canada

Wed 8/1012:40 p.m.LHR - YOW

Nonstop7h 30mAir Canada

Deal found 13/4C$ 923

Sat 3/59:00 p.m.YOW - LHR

Nonstop6h 35mLufthansa

Mon 26/52:05 p.m.LHR - YOW

Nonstop7h 30mLufthansa

Deal found 14/4C$ 946

Thu 8/56:55 p.m.YOW - LHR

Nonstop6h 35mMultiple Airlines

Wed 14/512:40 p.m.LHR - YOW

Nonstop7h 30mMultiple Airlines

Deal found 14/4C$ 954

Last-minute flights from Ottawa to United Kingdom
Discover last-minute flight deals from Ottawa to United Kingdom. Data last updated 15 April 2025 and is based on user searches.

Tue 22/47:29 p.m.YOW - EDI

1 stop10h 06mAir Canada

Tue 29/49:00 a.m.EDI - YOW

1 stop11h 09mAir Canada

Deal found 15/4C$ 1,171

Tue 22/45:25 p.m.YOW - EDI

2 stops37h 25mUnited Airlines

Tue 29/412:30 p.m.EDI - YOW

2 stops33h 36mUnited Airlines

Deal found 15/4C$ 1,183

Tue 22/49:50 a.m.YOW - EDI

3 stops26h 50mMultiple Airlines

Tue 29/47:15 p.m.EDI - YOW

2 stops34h 07mMultiple Airlines

Deal found 15/4C$ 1,385

Wed 23/44:55 p.m.YOW - LGW

2 stops16h 05mMultiple Airlines

Sat 24/510:45 a.m.LGW - YOW

1 stop33h 00mMultiple Airlines

Deal found 15/4C$ 1,353

Thu 24/45:25 p.m.YOW - LHR

1 stop13h 20mUnited Airlines

Thu 1/54:40 p.m.LHR - YOW

1 stop22h 18mUnited Airlines

Deal found 14/4C$ 937

Thu 24/45:05 p.m.YOW - LGW

1 stop12h 40mPorter Airlines

Thu 1/512:40 p.m.LGW - YOW

1 stop13h 21mPorter Airlines

Deal found 15/4C$ 1,299

Thu 24/42:10 p.m.YOW - LCY

2 stops22h 05mSWISS

Thu 1/59:25 a.m.LCY - YOW

2 stops36h 39mSWISS

Deal found 14/4C$ 1,544

Thu 24/42:10 p.m.YOW - LCY

2 stops13h 30mAer Lingus

Thu 1/59:05 a.m.LCY - YOW

2 stops14h 59mAer Lingus

Deal found 15/4C$ 2,529

Fri 25/47:15 a.m.YOW - LHR

1 stop8h 45mAir Canada

Thu 8/52:05 p.m.LHR - YOW

Nonstop7h 30mAir Canada

Deal found 14/4C$ 968

Mon 28/44:45 p.m.YOW - LHR

1 stop12h 15mLufthansa

Thu 8/56:55 a.m.LHR - YOW

2 stops15h 09mLufthansa

Deal found 15/4C$ 959

Thu 1/57:00 p.m.YOW - LHR

2 stops10h 00mMultiple Airlines

Mon 5/56:00 a.m.LHR - YOW

2 stops18h 04mMultiple Airlines

Deal found 15/4C$ 928

Thu 1/51:55 p.m.YOW - LHR

1 stop11h 40mAir Canada

Wed 7/52:05 p.m.LHR - YOW

1 stop13h 02mAir Canada

Deal found 15/4C$ 936

One-way flights from Ottawa to United Kingdom
Search for one-way flight options from Ottawa to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 15 April 2025.

Fri 30/511:20 a.m.YOW - EDI

1 stop17h 45mMultiple Airlines

Deal found 14/4C$ 366

Sun 15/65:55 a.m.YOW - STN

2 stops32h 35mMultiple Airlines

Deal found 15/4C$ 394

Tue 27/55:55 a.m.YOW - LHR

2 stops34h 45mMultiple Airlines

Deal found 14/4C$ 395

Sun 15/65:55 a.m.YOW - LTN

2 stops36h 00mMultiple Airlines

Deal found 15/4C$ 396

Tue 17/65:55 a.m.YOW - LGW

2 stops22h 30mWestJet

Deal found 15/4C$ 399

Sun 15/65:55 a.m.YOW - LGW

2 stops35h 55mMultiple Airlines

Deal found 15/4C$ 407

Fri 30/55:55 a.m.YOW - GLA

3 stops45h 10mMultiple Airlines

Deal found 15/4C$ 419

Thu 19/62:10 p.m.YOW - MAN

3 stops22h 55mMultiple Airlines

Deal found 15/4C$ 538

Sun 1/65:55 a.m.YOW - LCY

2 stops32h 25mMultiple Airlines

Deal found 15/4C$ 578

Sun 4/59:20 a.m.YOW - LHR

2 stops17h 40mAer Lingus

Deal found 15/4C$ 606

Tue 15/72:20 p.m.YOW - LGW

1 stop12h 35mPorter Airlines

Deal found 15/4C$ 616

Mon 7/76:00 a.m.YOW - LHR

1 stop25h 05mWestJet

Deal found 14/4C$ 626

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ottawa to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Tue 20/5

5:55 a.m.-10:05 a.m.

1 stop23h 10m

Edinburgh Turnhouse

Tue 27/5

9:40 a.m.-12:51 p.m.

1 stop32h 11m

C$ 839

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 19/6

11:20 a.m.-7:55 a.m.

1 stop15h 35m

London Gatwick

Mon 30/6

9:40 a.m.-12:21 a.m.

1 stop19h 41m

C$ 893

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 16/5

5:55 a.m.-9:50 a.m.

2 stops46h 55m

London Gatwick

Fri 6/6

11:35 a.m.-12:22 a.m.

2 stops17h 47m

C$ 894

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 19/6

7:00 a.m.-7:55 a.m.

1 stop19h 55m

London Gatwick

Fri 27/6

9:40 a.m.-10:21 a.m.

1 stop29h 41m

C$ 898

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 30/5

5:55 a.m.-2:50 p.m.

2 stops27h 55m

London Stansted

Fri 6/6

6:40 a.m.-12:22 a.m.

2 stops22h 42m

C$ 908

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sun 4/5

6:15 p.m.-11:25 a.m.

1 stop12h 10m

London Heathrow

Sun 11/5

9:00 a.m.-9:58 a.m.

2 stops29h 58m

C$ 918

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Fri 10/10

2:20 p.m.-6:50 a.m.

1 stop11h 30m

Glasgow Intl

Sun 19/10

8:35 a.m.-8:01 p.m.

1 stop16h 26m

C$ 926

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 1/5

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

2 stops10h 00m

London Heathrow

Mon 5/5

6:00 a.m.-7:04 p.m.

2 stops18h 04m

C$ 928

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 1/5

1:55 p.m.-6:35 a.m.

1 stop11h 40m

London Heathrow

Wed 7/5

2:05 p.m.-10:07 p.m.

1 stop13h 02m

C$ 936

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 7/10

3:55 p.m.-5:50 p.m.

2 stops20h 55m

London Gatwick

Tue 21/10

6:35 p.m.-7:04 p.m.

2 stops29h 29m

C$ 941

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

Showing 1-10 of 59 results

...

Best time to book a flight from Ottawa to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Ottawa 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 Ottawa to the United Kingdom

What is the cheapest month to book a flight from Ottawa to United Kingdom?

Currently, January is the cheapest month in which you can book a flight from Ottawa to United Kingdom (average of C$ 560). Flying from Ottawa to United Kingdom 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 YOW to GB?

When flying from Ottawa to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in United Kingdom by month

In terms of precipitation, rainfall in United Kingdom 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 United Kingdom when rainfall is around 40.0 mm.

Temperature in United Kingdom by month

If weather is an important factor for your trip to United Kingdom, 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 United Kingdom

Get a feel of what it's like to fly with Delta, Porter Airlines and KLM from Ottawa to United Kingdom by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,917 reviews

Delta

8.0

Very good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines

8.0

Very good

281 reviews

Delta

8.0

Very good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,323 reviews

Delta

8.0

Very good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat

7.8

Good

385 reviews

Delta

8.0

Very good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines

7.6

Good

775 reviews

Delta

8.0

Very good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from Ottawa to United Kingdom?
If you book a flight to United Kingdom from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa.
What are the cheapest airlines to fly from Ottawa to United Kingdom one-way?
One-way options have recently been found by users for as low as C$ 399 on WestJet. Other airlines that offer cheap prices include Aer Lingus from C$ 606 and Porter Airlines from C$ 616 one-way.
What are the most popular routes from Ottawa to United Kingdom?
While some choose either Ottawa - London Gatwick or Ottawa - London City, Ottawa - London Heathrow is the most popular route from Ottawa to United Kingdom.
What are the most reliable airlines from Ottawa to United Kingdom?
No one likes to see their flight delayed. When booking a flight from Ottawa to United Kingdom consider choosing Air Canada (100%), Aegean Airlines (100%) or Austrian Airlines (100%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Ottawa to United Kingdom?
Looking for the cheapest flight from Ottawa to United Kingdom? While on average our users pay C$ 1,571, our data indicates the cheapest price to be C$ 826. The most popular route (Ottawa - London Heathrow), is priced around C$ 884.
Can I find deals for flights from Ottawa to United Kingdom that include hotel bookings?
Yes. In addition to deals on Ottawa to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ottawa to United Kingdom?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to United Kingdom.
Can I find deals for business class flights from Ottawa to United Kingdom?
Yes. Cheapflights offers flight deals from Ottawa to United Kingdom 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 Ottawa to United Kingdom?
Currently, January is the cheapest month in which you can book a flight from Ottawa to United Kingdom (average of C$ 560). Flying from Ottawa to United Kingdom 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

Browse thousands of different options on Cheapflights for your next trip

Top 9 airlines flying from Ottawa to United Kingdom

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	CheapestC$ 737	AverageC$ 1,242	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Air France	CheapestC$ 737	AverageC$ 1,279	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Transat	CheapestC$ 801	AverageC$ 1,142	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Porter Airlines	CheapestC$ 875	AverageC$ 1,116	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Canada	CheapestC$ 916	AverageC$ 1,273	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	CheapestC$ 930	AverageC$ 1,212	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Aer Lingus	CheapestC$ 975	AverageC$ 1,136	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
United Airlines	CheapestC$ 1,064	AverageC$ 1,550	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
KLM	CheapestC$ 1,304	AverageC$ 1,477	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ottawa to United Kingdom?

Cheapflights makes it easy to find Ottawa to United Kingdom flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to United Kingdom?

Cheapflights helps you find that perfect flight to United Kingdom from Ottawa 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 Ottawa to United Kingdom with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa to United Kingdom, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ottawa to United Kingdom become cheaper?

Yes! Start tracking prices for Ottawa to United Kingdom 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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Cheap flights from Ottawa to the United Kingdom from C$ 366

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ottawa to United Kingdom

Keep the following information in mind while searching for Ottawa to United Kingdom flight deals. Data was last updated 15 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Ottawa to United Kingdom

Cheapest flights from Ottawa to United KingdomExplore the most affordable flight options available from Ottawa to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Explore the most affordable flight options available from Ottawa to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ottawa to the United Kingdom that are best for you.

Best time to book a flight from Ottawa to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Ottawa with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to the United Kingdom

What is the cheapest month to book a flight from Ottawa to United Kingdom?

What is the cheapest time of day to fly from YOW to GB?

Find hourly flight availability from Ottawa to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 April 2025.

Rainfall in United Kingdom by month

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

Temperature in United Kingdom by month

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

Reviews of airlines servicing United Kingdom

Related info for your journey

Find useful and relevant information for your journey from Ottawa to United Kingdom. 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 Ottawa to United Kingdom?

What are the cheapest airlines to fly from Ottawa to United Kingdom one-way?

What are the most popular routes from Ottawa to United Kingdom?

What are the most reliable airlines from Ottawa to United Kingdom?

What are the cheapest flights from Ottawa to United Kingdom?

Can I find deals for flights from Ottawa to United Kingdom that include hotel bookings?

How can I find direct flights from Ottawa to United Kingdom?

Can I find deals for business class flights from Ottawa to United Kingdom?

What is the cheapest month to book a flight from Ottawa to United Kingdom?

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Alternative routes for Ottawa to United Kingdom

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Top 9 airlines flying from Ottawa to United Kingdom

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Cheapest flights from Ottawa to United Kingdom
Explore the most affordable flight options available from Ottawa to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.