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Cheap flights from the United Kingdom to Ottawa from £226

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YOW
25 Jun — 2 Jul1
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 May 2026.

Thu 4/611:00
GLA
-
YOW
1 stop11h 35m
WestJet
Sun 7/618:25
YOW
-
GLA
1 stop10h 15m
WestJet
Deal found 22/5£332
Tue 2/609:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Sun 14/614:15
YOW
-
LGW
1 stop14h 35m
Air Transat
Deal found 21/5£368
Wed 17/606:00
LHR
-
YOW
2 stops18h 46m
Multiple Airlines
Mon 29/616:00
YOW
-
LHR
1 stop9h 35m
Multiple Airlines
Deal found 23/5£369
Tue 2/609:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Thu 11/616:00
YOW
-
LGW
1 stop10h 55m
Air Transat
Deal found 21/5£372
Wed 9/912:40
LGW
-
YOW
1 stop12h 20m
Air Transat
Sun 13/919:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 25/5£373
Thu 24/908:45
LHR
-
YOW
2 stops31h 40m
Air Canada
Thu 1/1012:15
YOW
-
LHR
1 stop27h 45m
Air Canada
Deal found 24/5£373
Fri 5/609:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Sun 14/619:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 22/5£373
Wed 3/609:40
LGW
-
YOW
1 stop15h 25m
Air Transat
Sun 14/614:15
YOW
-
LGW
1 stop14h 35m
Air Transat
Deal found 21/5£374
Sat 6/612:40
LGW
-
YOW
1 stop12h 25m
Air Transat
Sun 14/614:15
YOW
-
LGW
1 stop14h 35m
Air Transat
Deal found 22/5£375
Sun 21/606:50
LHR
-
YOW
2 stops17h 03m
Air Canada
Sun 28/617:30
YOW
-
LHR
1 stop22h 30m
Air Canada
Deal found 24/5£375
Wed 3/609:40
LGW
-
YOW
1 stop15h 25m
Air Transat
Tue 16/619:15
YOW
-
LGW
1 stop10h 30m
Air Transat
Deal found 22/5£376
Mon 22/608:40
LHR
-
YOW
2 stops29h 44m
Air Canada
Mon 29/609:10
YOW
-
LHR
2 stops30h 50m
Air Canada
Deal found 25/5£376

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 May 2026.

Round-trip from

£332

One-way from

£226

Popular in

December

Cheapest in

June

Average price

£484

Good round-trip deal

£379 or less

Good one-way deal

£388 or less
WestJet
  • WestJet
  • 4/6-7/6
  • 2 total stops
  • 21h 50m total
  • United Kingdom to Ottawa
Search Deals
7/9
  • 7/9
  • 2 total stops
  • 45h 45m total
  • United Kingdom to Ottawa
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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

 
Customise 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 858,174 searches. Data last updated 26 May 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 return flight

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 12/9

09:40-00:25

1 stop19h 45m

Ottawa

Mon 14/9

16:00-07:55

1 stop10h 55m

£399

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 5/6

07:30-18:48

2 stops16h 18m

Ottawa

Sun 14/6

06:05-06:55

2 stops19h 50m

£425

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 10/9

15:00-15:00

1 stop29h 00m

Ottawa

Sun 13/9

17:10-07:55

1 stop9h 45m

£428

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 10/9

17:50-09:11

2 stops44h 21m

Ottawa

Sun 13/9

06:05-07:15

1 stop20h 10m

£428

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 4/6

12:40-20:05

1 stop12h 25m

Ottawa

Sun 7/6

19:40-07:55

Nonstop7h 15m

£434

LondonOttawa

STN - YOW

STNYOW

London Stansted

Mon 8/6

06:30-00:20

2 stops22h 50m

Ottawa

Thu 11/6

06:55-21:20

3 stops33h 25m

£455

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 1/9

17:00-15:00

1 stop27h 00m

Ottawa

Mon 7/9

17:10-09:40

1 stop11h 30m

£477

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 1/7

06:15-15:00

1 stop13h 45m

Ottawa

Tue 7/7

17:25-10:30

1 stop12h 05m

£488

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 1/9

06:30-15:00

2 stops13h 30m

Ottawa

Mon 7/9

17:10-10:30

1 stop12h 20m

£491

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 23/6

10:35-00:20

2 stops18h 45m

Ottawa

Fri 3/7

17:10-09:25

1 stop11h 15m

£498

Flights are sorted by cheapest return flights first.

Deals found on 25/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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 return 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, October is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of £64). Flying from United Kingdom to Ottawa in August is currently the most expensive (average of £1,346). 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 May 2026.

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

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

About 11% of weekly flights between United Kingdom and Ottawa have experienced delays in the past year, with the average delay time being 254 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 morning 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 Friday 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 have had the lowest number of delays on this route, with just 11% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from United Kingdom to Ottawa, you should look to book at least 71 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 May 2026.
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
553 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Overall

7.8

Comfort

7.3

Food

6.8

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
7.8
Good
553 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Overall

7.8

Comfort

7.3

Food

6.8

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.
Virgin Atlantic
7.5
Good
689 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Overall

7.8

Comfort

7.3

Food

6.8

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
1,591 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Overall

7.8

Comfort

7.3

Food

6.8

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
11,086 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Overall

7.8

Comfort

7.3

Food

6.8

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
8,029 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Overall

7.8

Comfort

7.3

Food

6.8

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?

    If you book a flight to Ottawa from United Kingdom, you will be flying to Ottawa, which is the city’s only airport. Ottawa (YOW) is located 6.6 mi from the center of Ottawa.

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

    A quick flight from United Kingdom to Ottawa can take about 16h 18m. Air Transat provides one of the quickest options available for as low as £425. Airlines will cover a distance of 3320 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    £198 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on Virgin Atlantic and WestJet, with prices starting from £289 and £334, 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?

    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 United Kingdom to Ottawa on time: Aegean Airlines (92%), Air Canada (87%), Austrian Airlines (87%).

  • 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 £626, our data indicates the cheapest price to be £356. The most popular route (London Heathrow - Ottawa), is priced around £396.

  • 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 holiday 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, October is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of £64). Flying from United Kingdom to Ottawa in August is currently the most expensive (average of £1,346). 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

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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 6 airlines flying from United Kingdom to Ottawa

Discover the top 6 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 858,174 searches. Data last updated 26 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£344Average£566FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£369Average£664FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£372Average£651FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£374Average£592FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£421Average£575FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£534Average£598FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

When you search for this flight from United Kingdom to Ottawa, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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

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

Yes! Cheapflights helps users easily find flights from United Kingdom to Ottawa with no change fees.

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

Of course! You can now track prices for flights from United Kingdom to Ottawa and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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