Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from the United Kingdom to Ottawa from C$ 353

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YOW
25 Apr — 2 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 26 March 2026.

Fri 15/59:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 22/57:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 24/3C$ 677
Fri 22/59:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 5/67:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 26/3C$ 682
Sat 12/99:40 a.m.
LGW
-
YOW
1 stop19h 45m
Air Transat
Sun 27/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 25/3C$ 688
Fri 15/59:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Mon 25/54:00 p.m.
YOW
-
LGW
1 stop13h 45m
Air Transat
Deal found 23/3C$ 690
Thu 25/69:40 a.m.
LGW
-
YOW
1 stop15h 20m
Air Transat
Tue 7/77:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 24/3C$ 695
Fri 15/59:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Sun 24/57:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 26/3C$ 703
Sat 16/57:40 a.m.
GLA
-
YOW
2 stops14h 55m
Multiple Airlines
Wed 20/56:55 a.m.
YOW
-
GLA
1 stop21h 45m
Multiple Airlines
Deal found 25/3C$ 728
Thu 14/56:30 a.m.
STN
-
YOW
3 stops22h 50m
Multiple Airlines
Wed 20/56:25 p.m.
YOW
-
STN
2 stops21h 05m
Multiple Airlines
Deal found 23/3C$ 743
Tue 19/56:30 a.m.
STN
-
YOW
2 stops16h 05m
Multiple Airlines
Sun 31/56:55 a.m.
YOW
-
STN
2 stops34h 00m
Multiple Airlines
Deal found 25/3C$ 746
Fri 15/58:05 p.m.
LHR
-
YOW
2 stops26h 06m
Multiple Airlines
Fri 22/53:00 p.m.
YOW
-
LHR
1 stop10h 30m
Multiple Airlines
Deal found 22/3C$ 753
Wed 10/62:10 p.m.
LHR
-
YOW
Nonstop7h 55m
Air Canada
Thu 18/66:55 p.m.
YOW
-
LHR
Nonstop6h 35m
Air Canada
Deal found 22/3C$ 755
Mon 15/612:40 p.m.
LHR
-
YOW
1 stop11h 13m
Air Canada
Mon 22/66:55 p.m.
YOW
-
LHR
Nonstop6h 35m
Air Canada
Deal found 22/3C$ 757

Find 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 26 March 2026.

Round-trip from

C$ 677

One-way from

C$ 353

Popular in

August

Cheapest in

June

Average price

C$ 1,064

Good round-trip deal

C$ 735 or less

Good one-way deal

C$ 1,143 or less
Air Transat
  • Air Transat
  • 15/5-22/5
  • Nonstop
  • 15h 15m total
  • United Kingdom to Ottawa
Search Deals
26/4
  • 26/4
  • 3 total stops
  • 44h 50m total
  • United Kingdom to Ottawa
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from United Kingdom to Ottawa.
Search Deals
Price to beat on a one-way flight from United Kingdom to Ottawa.
Search Deals

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 26 March 2026.
Use the filters below to find and compare flights from the United Kingdom to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 23/6

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

Nonstop8h 00m

Ottawa

Tue 7/7

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

C$ 706

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sun 24/5

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

Nonstop8h 00m

Ottawa

Fri 5/6

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

C$ 707

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 16/5

12:40 p.m.-12:25 a.m.

1 stop16h 45m

Ottawa

Fri 22/5

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

C$ 717

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 16/5

12:40 p.m.-12:25 a.m.

1 stop16h 45m

Ottawa

Tue 26/5

7:15 p.m.-10:45 a.m.

1 stop10h 30m

C$ 729

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sun 28/6

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

Nonstop8h 00m

Ottawa

Mon 6/7

4:00 p.m.-7:55 a.m.

1 stop10h 55m

C$ 755

LondonOttawa

STN - YOW

STNYOW

London Stansted

Sun 10/5

6:35 a.m.-12:20 a.m.

2 stops22h 45m

Ottawa

Sun 17/5

6:55 a.m.-9:20 p.m.

3 stops33h 25m

C$ 764

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 15/5

6:15 a.m.-3:00 p.m.

1 stop13h 45m

Ottawa

Fri 22/5

5:25 p.m.-10:30 a.m.

1 stop12h 05m

C$ 801

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 22/5

9:30 a.m.-1:56 p.m.

1 stop9h 26m

Ottawa

Fri 5/6

2:35 p.m.-6:30 a.m.

1 stop10h 55m

C$ 829

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 12/9

8:45 a.m.-11:54 p.m.

2 stops20h 09m

Ottawa

Sun 27/9

10:25 a.m.-9:35 p.m.

2 stops30h 10m

C$ 841

LondonOttawa

STN - YOW

STNYOW

London Stansted

Tue 19/5

6:30 a.m.-5:35 p.m.

2 stops16h 05m

Ottawa

Sun 31/5

6:25 p.m.-8:10 p.m.

3 stops20h 45m

C$ 845

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, March is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of C$ 257). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of C$ 714). 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 26 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to Ottawa as you normally would.

How often are flights from the United Kingdom to Ottawa delayed?

About 9% of weekly flights between United Kingdom and Ottawa have experienced delays in the past year, with the average delay time being 236 minutes.

What is the most punctual flight time for the United Kingdom to Ottawa flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United Kingdom to Ottawa flights?

Over the past year, Air Canada has had the lowest number of delays on this route, with just 9% of flights being delayed.

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 26 March 2026.
Check out reviews from past customers who have flown with Air Transat,Air France, andAir Canada 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
7.7
Good
525 reviews
Check prices

Overall

7.7

Food

6.8

Boarding

7.9

Entertainment

7.0

Comfort

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.7
Good
525 reviews
Air Transat
7.7
Good
525 reviews
Check prices

Overall

7.7

Food

6.8

Boarding

7.9

Entertainment

7.0

Comfort

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air France
7.4
Good
1,553 reviews
Air Transat
7.7
Good
525 reviews
Check prices

Overall

7.7

Food

6.8

Boarding

7.9

Entertainment

7.0

Comfort

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
10,843 reviews
Air Transat
7.7
Good
525 reviews
Check prices

Overall

7.7

Food

6.8

Boarding

7.9

Entertainment

7.0

Comfort

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Lufthansa
6.8
Okay
7,871 reviews
Air Transat
7.7
Good
525 reviews
Check prices

Overall

7.7

Food

6.8

Boarding

7.9

Entertainment

7.0

Comfort

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

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 8h. Air Transat provides one of the quickest options available for as low as C$ 706. There are 5375 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$ 489 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 Transat and Lufthansa, with prices starting from C$ 796 and C$ 808, respectively.

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

    While some choose either London Gatwick - Ottawa or London Stansted - 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 (89%), Austrian Airlines (89%), SriLankan Airlines( 89%).

  • 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$ 1,268, our data indicates the cheapest price to be C$ 733. The most popular route (London Heathrow - Ottawa), is priced around C$ 767.

  • 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, March is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of C$ 257). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of C$ 714). 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
Perth
Wakefield
Pembroke
Smiths Falls

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for United Kingdom to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to Pierre Elliott Trudeau Intl flights
Orly to Pierre Elliott Trudeau Intl flights
Heathrow to Pearson Intl flights
Frankfurt to Pearson Intl flights
Gatwick to Pearson Intl flights
Charles de Gaulle to Pearson Intl flights
Beauvais-Tille to Pierre Elliott Trudeau Intl flights
Lyon to Pierre Elliott Trudeau Intl flights
Charles de Gaulle to Toronto Island flights
Orly to Pearson Intl flights
Marseille to Pierre Elliott Trudeau Intl flights
Nantes to Pierre Elliott Trudeau Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Stansted to Pearson Intl flights
Toulouse to Pierre Elliott Trudeau Intl flights
London City to Pearson Intl flights
Geneva to Pierre Elliott Trudeau Intl flights
Frederic Chopin to Pearson Intl flights
Luton to Pearson Intl flights
Vienna to Pearson Intl flights
Nice to Pierre Elliott Trudeau Intl flights
Bruxelles-National to Pierre Elliott Trudeau Intl flights
Leonardo da Vinci/Fiumicino to Pearson Intl flights
Manchester to Pearson Intl flights
Amsterdam to Pearson Intl flights
Frankfurt to Pierre Elliott Trudeau Intl flights
Frankfurt-Hahn to Pearson Intl flights
Frederic Chopin to Toronto Island flights
Gatwick to Pierre Elliott Trudeau Intl flights
Dublin to Pearson Intl flights
Istanbul to Pearson Intl flights
Zurich to Pearson Intl flights
Madrid to Pearson Intl flights
Bordeaux to Pierre Elliott Trudeau Intl flights
Munich to Pearson Intl flights
Edinburgh to Pearson Intl flights
Madrid to Pierre Elliott Trudeau Intl flights
Barcelona-El Prat to Pierre Elliott Trudeau Intl flights
Amsterdam to Toronto Island flights
Barcelona-El Prat to Pearson Intl flights
Copenhagen to Pearson Intl flights
Duesseldorf Intl to Pearson Intl flights
Malpensa to Pearson Intl flights

Top 3 airlines flying from United Kingdom to Ottawa

Discover the top 3 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 26 March 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 733AverageC$ 950FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapestC$ 797AverageC$ 1,339FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapestC$ 798AverageC$ 1,008FlexibilityNo cancel feeOn-time67%
Search Air Canada 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.