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Cheap flights from the United Kingdom to Ottawa from C$ 516

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 13/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YOW
1 Dec — 8 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Ottawa

Keep the following information in mind while searching for United Kingdom to Ottawa flight deals. Data was last updated 1 November 2025.

Round-trip from

C$ 807

One-way from

C$ 516

Popular in

August

Cheapest in

January

Average price

C$ 974

Good round-trip deal

C$ 894 or less

Good one-way deal

C$ 1,030 or less
26/1-9/2
  • 26/1-9/2
  • 2 total stops
  • 34h 28m total
  • United Kingdom to Ottawa
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Virgin Atlantic
  • Virgin Atlantic
  • 13/2
  • 1 total stop
  • 11h 10m total
  • United Kingdom to Ottawa
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from United Kingdom to Ottawa.
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Price to beat on a one-way flight from United Kingdom to Ottawa.
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Find flight deals from United Kingdom to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Ottawa
Explore the most affordable flight options available from United Kingdom to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 November 2025.

Sat 8/111:25 p.m.LHR - YOW
2 stops32h 53mAir Canada
Sat 2/54:00 p.m.YOW - LHR
2 stops24h 00mAir Canada
Deal found 1/11C$ 842
Sat 1/119:00 a.m.LHR - YOW
2 stops29h 42mAir Canada
Sat 24/14:15 p.m.YOW - LHR
2 stops33h 55mAir Canada
Deal found 31/10C$ 848
Thu 27/116:20 a.m.LHR - YOW
1 stop13h 50mAir France
Thu 4/125:20 p.m.YOW - LHR
1 stop9h 35mAir France
Deal found 30/10C$ 850
Fri 14/117:00 a.m.LHR - YOW
2 stops15h 42mMultiple Airlines
Mon 17/1110:20 a.m.YOW - LHR
2 stops15h 50mMultiple Airlines
Deal found 31/10C$ 853
Thu 13/119:00 a.m.LHR - YOW
2 stops15h 18mAir Canada
Sat 22/114:10 p.m.YOW - LHR
2 stops23h 25mAir Canada
Deal found 31/10C$ 855
Mon 8/126:50 a.m.LHR - YOW
2 stops14h 28mAir Canada
Thu 8/14:15 p.m.YOW - LHR
2 stops33h 55mAir Canada
Deal found 30/10C$ 866
Thu 13/116:00 a.m.LHR - YOW
2 stops16h 18mMultiple Airlines
Sun 23/1110:20 a.m.YOW - LHR
2 stops15h 50mMultiple Airlines
Deal found 31/10C$ 867
Wed 12/116:35 a.m.LHR - YOW
2 stops17h 03mMultiple Airlines
Sun 23/1110:20 a.m.YOW - LHR
2 stops15h 50mMultiple Airlines
Deal found 31/10C$ 869
Sun 7/129:00 a.m.LHR - YOW
1 stop10h 21mAir Canada
Mon 15/1210:20 a.m.YOW - LHR
2 stops15h 50mAir Canada
Deal found 30/10C$ 871
Fri 5/122:00 p.m.LGW - YOW
1 stop32h 13mMultiple Airlines
Sun 11/19:30 a.m.YOW - LGW
1 stop19h 30mMultiple Airlines
Deal found 30/10C$ 876
Sat 29/1111:40 a.m.LGW - YOW
1 stop25h 44mAir Transat
Sat 6/1210:00 a.m.YOW - LGW
1 stop18h 45mAir Transat
Deal found 1/11C$ 884
Wed 12/1111:40 a.m.LGW - YOW
1 stop11h 44mAir Transat
Mon 8/1210:00 a.m.YOW - LGW
1 stop18h 45mAir Transat
Deal found 31/10C$ 890

Cheapflights Fare Finder

 
Customize your flight search to find flights from United Kingdom to Ottawa 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 1 November 2025.
Use the filters below to find and compare flights from the United Kingdom to Ottawa that are best for you.

Fly from

United Kingdom

Fly to

Ottawa

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 5/3

6:20 a.m.-3:10 p.m.

1 stop13h 50m

Ottawa

Tue 10/3

6:20 p.m.-8:00 a.m.

1 stop9h 40m

C$ 863

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 24/1

11:15 a.m.-12:42 a.m.

2 stops18h 27m

Ottawa

Mon 9/2

5:20 p.m.-10:30 a.m.

1 stop12h 10m

C$ 890

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 24/1

11:15 a.m.-12:42 a.m.

2 stops18h 27m

Ottawa

Sun 8/2

5:20 p.m.-10:30 a.m.

1 stop12h 10m

C$ 890

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 21/11

1:25 p.m.-1:38 a.m.

2 stops17h 13m

Ottawa

Wed 28/1

9:55 p.m.-9:20 a.m.

Nonstop6h 25m

C$ 912

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 25/11

1:00 p.m.-10:18 p.m.

2 stops14h 18m

Ottawa

Wed 28/1

10:20 a.m.-7:10 a.m.

2 stops15h 50m

C$ 920

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 11/3

1:25 p.m.-8:18 a.m.

2 stops22h 53m

Ottawa

Sun 15/3

10:55 p.m.-9:20 a.m.

Nonstop6h 25m

C$ 927

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 29/4

2:05 p.m.-9:52 p.m.

2 stops12h 47m

Ottawa

Thu 14/5

9:55 p.m.-9:00 p.m.

2 stops18h 05m

C$ 930

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 25/1

6:30 a.m.-3:10 p.m.

2 stops13h 40m

Ottawa

Mon 9/2

5:20 p.m.-10:30 a.m.

1 stop12h 10m

C$ 932

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 11/3

11:40 a.m.-12:41 a.m.

1 stop17h 01m

Ottawa

Sun 15/3

3:05 p.m.-9:45 a.m.

1 stop14h 40m

C$ 934

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 9/12

11:40 a.m.-6:25 p.m.

1 stop11h 45m

Ottawa

Thu 8/1

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

1 stop22h 00m

C$ 941

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/10

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to Ottawa

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

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

Currently, February is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of C$ 181). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of C$ 740). 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 GB to YOW?

Find hourly flight availability from United Kingdom to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 November 2025.

When flying from United Kingdom to Ottawa, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 34% versus a flight in the morning.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated 1 November 2025.
Check out reviews from past customers who have flown with Air Transat,Virgin Atlantic, andAir France from the United Kingdom to Ottawa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
469 reviews
Check prices

Crew

8.5

Food

6.8

Comfort

7.4

Entertainment

7.1

Overall

7.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
469 reviews
Air Transat
7.8
Good
469 reviews
Check prices

Crew

8.5

Food

6.8

Comfort

7.4

Entertainment

7.1

Overall

7.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Virgin Atlantic
7.5
Good
671 reviews
Air Transat
7.8
Good
469 reviews
Check prices

Crew

8.5

Food

6.8

Comfort

7.4

Entertainment

7.1

Overall

7.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air France
7.4
Good
1,482 reviews
Air Transat
7.8
Good
469 reviews
Check prices

Crew

8.5

Food

6.8

Comfort

7.4

Entertainment

7.1

Overall

7.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,386 reviews
Air Transat
7.8
Good
469 reviews
Check prices

Crew

8.5

Food

6.8

Comfort

7.4

Entertainment

7.1

Overall

7.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Lufthansa
6.8
Okay
7,542 reviews
Air Transat
7.8
Good
469 reviews
Check prices

Crew

8.5

Food

6.8

Comfort

7.4

Entertainment

7.1

Overall

7.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

Related info for your journey

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

    Located just 10.6 km from the city centre, Ottawa (YOW) is the airport most travelers will use when flying to Ottawa from United Kingdom.

  • How long is the flight from United Kingdom to Ottawa?

    A quick flight from United Kingdom to Ottawa can take about 13h 50m. Air France provides one of the quickest options available for as low as C$ 863. There are 5343 km between United Kingdom and Ottawa. This flight may include one or multiple stops.

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

    C$ 516 is the cheapest one-way deal found within the past few days, from Virgin Atlantic. You may also be able to find cheap deals on Air France and KLM, with prices starting from C$ 576 and C$ 593, respectively.

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

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

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

    Before booking your flight to Ottawa from United Kingdom, check out the most reliable airlines to get you to your destination on time: Air Canada (80%), Aegean Airlines (80%), Austrian Airlines( 80%).

  • What are the cheapest flights from United Kingdom to Ottawa?

    Looking for the cheapest flight from United Kingdom to Ottawa? While on average our users pay C$ 1,054, our data indicates the cheapest price to be C$ 894. The most popular route (London Heathrow - Ottawa), is priced around C$ 849.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from United Kingdom to Ottawa 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 United Kingdom to Ottawa?

    Currently, February is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of C$ 181). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of C$ 740). 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 Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls
Perth
Prescott
Pembroke
Wakefield

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Alternative routes for United Kingdom to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from United Kingdom to Ottawa

Discover the top 4 airlines that operate flights from United Kingdom to Ottawa. 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 1 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapestC$ 638AverageC$ 826FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapestC$ 807AverageC$ 1,055FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapestC$ 813AverageC$ 1,039FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 866AverageC$ 1,019FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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 United Kingdom to Ottawa?

Cheapflights helps you search for flights from United Kingdom to Ottawa via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from United Kingdom to Ottawa by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from United Kingdom to Ottawa with no change fees?

Certainly. Search results for flights to Ottawa from United Kingdom 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 United Kingdom to Ottawa become cheaper?

Yes, Cheapflights offers price alerts on United Kingdom to Ottawa flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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