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Cheap flights from the United Kingdom to Ottawa from £187

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YOW
17 May — 24 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 17 April 2026.

Fri 4/909:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 18/919:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 13/4£347
Fri 29/509:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 5/616:00
YOW
-
LGW
1 stop13h 45m
Air Transat
Deal found 14/4£352
Fri 5/609:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 19/619:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 16/4£353
Tue 2/612:40
LGW
-
YOW
1 stop24h 25m
Air Transat
Tue 9/614:15
YOW
-
LGW
1 stop14h 35m
Air Transat
Deal found 17/4£354
Sun 24/509:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Mon 25/508:40
YOW
-
LGW
1 stop21h 05m
Air Transat
Deal found 15/4£354
Tue 9/612:40
LGW
-
YOW
1 stop16h 45m
Air Transat
Tue 16/614:15
YOW
-
LGW
1 stop14h 35m
Air Transat
Deal found 14/4£356
Sun 14/609:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 19/619:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 15/4£356
Sat 6/612:40
LGW
-
YOW
1 stop24h 25m
Air Transat
Sat 13/608:40
YOW
-
LGW
1 stop21h 05m
Air Transat
Deal found 17/4£357
Fri 15/509:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Mon 25/513:55
YOW
-
LGW
1 stop15h 50m
Air Transat
Deal found 14/4£358
Fri 15/509:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 22/519:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 14/4£359
Sat 16/509:40
LGW
-
YOW
1 stop15h 20m
Air Transat
Fri 22/519:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 12/4£359
Tue 12/522:00
STN
-
YOW
2 stops31h 20m
Multiple Airlines
Tue 19/506:55
YOW
-
STN
2 stops34h 45m
Multiple Airlines
Deal found 14/4£361

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 17 April 2026.

Round-trip from

£347

One-way from

£187

Popular in

December

Cheapest in

June

Average price

£557

Good round-trip deal

£469 or less

Good one-way deal

£575 or less
Air Transat
  • Air Transat
  • 4/9-18/9
  • Nonstop
  • 15h 15m total
  • United Kingdom to Ottawa
Search Deals
6/5
  • 6/5
  • 3 total stops
  • 31h 20m total
  • United Kingdom to Ottawa
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£11 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 April 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 17 April 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

STN - YOW

STNYOW

London Stansted

Tue 12/5

22:00-00:20

3 stops31h 20m

Ottawa

Tue 19/5

06:55-22:40

2 stops34h 45m

£362
Fastest return journey

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 19/6

09:40-12:40

Nonstop8h 00m

Ottawa

Sun 21/6

14:15-09:50

1 stop14h 35m

£370

LondonOttawa

STN - YOW

STNYOW

London Stansted

Mon 25/5

22:45-00:20

3 stops30h 35m

Ottawa

Wed 27/5

06:55-20:30

2 stops32h 35m

£405

LondonOttawa

STN - YOW

STNYOW

London Stansted

Fri 15/5

22:50-00:20

3 stops30h 30m

Ottawa

Fri 22/5

18:25-19:20

2 stops19h 55m

£413

LeedsOttawa

LBA - YOW

LBAYOW

Leeds/Bradford

Wed 13/5

06:00-00:20

3 stops23h 20m

Ottawa

Wed 20/5

06:55-00:35

3 stops36h 40m

£416

LondonOttawa

STN - YOW

STNYOW

London Stansted

Thu 4/6

06:30-17:35

2 stops16h 05m

Ottawa

Thu 11/6

06:55-21:20

3 stops33h 25m

£418

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 15/5

08:40-23:54

2 stops20h 14m

Ottawa

Fri 22/5

15:10-10:40

2 stops14h 30m

£421

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 17/6

12:40-20:00

1 stop12h 20m

Ottawa

Mon 22/6

18:35-10:45

1 stop11h 10m

£421

ManchesterOttawa

MAN - YOW

MANYOW

Manchester

Tue 12/5

07:30-17:35

2 stops15h 05m

Ottawa

Tue 19/5

06:55-17:25

3 stops29h 30m

£424

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 6/6

07:30-23:54

2 stops21h 24m

Ottawa

Sat 13/6

10:25-07:15

2 stops15h 50m

£426

Flights are sorted by cheapest return flights first.

Deals found on 12/4

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 £1,807). 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 17 April 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 242 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 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.

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 17 April 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
7.7
Good
536 reviews
Check prices

Food

6.8

Entertainment

7.0

Overall

7.7

Comfort

7.3

Boarding

7.9

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
536 reviews
Air Transat
7.7
Good
536 reviews
Check prices

Food

6.8

Entertainment

7.0

Overall

7.7

Comfort

7.3

Boarding

7.9

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.
Virgin Atlantic
7.5
Good
687 reviews
Air Transat
7.7
Good
536 reviews
Check prices

Food

6.8

Entertainment

7.0

Overall

7.7

Comfort

7.3

Boarding

7.9

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
1,572 reviews
Air Transat
7.7
Good
536 reviews
Check prices

Food

6.8

Entertainment

7.0

Overall

7.7

Comfort

7.3

Boarding

7.9

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
10,932 reviews
Air Transat
7.7
Good
536 reviews
Check prices

Food

6.8

Entertainment

7.0

Overall

7.7

Comfort

7.3

Boarding

7.9

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
7,926 reviews
Air Transat
7.7
Good
536 reviews
Check prices

Food

6.8

Entertainment

7.0

Overall

7.7

Comfort

7.3

Boarding

7.9

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?

    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 8h. Air Transat provides one of the quickest options available for as low as £370. Airlines will cover a distance of 3340 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?

    £197 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 £288 and £302, respectively.

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

    While some choose either London Stansted - Ottawa or London Gatwick - 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 (100%), United Airlines (79%), Air Canada (79%).

  • 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 £594, our data indicates the cheapest price to be £360. The most popular route (London Heathrow - Ottawa), is priced around £307.

  • 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 £1,807). 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
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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Dublin to Toronto Island flights
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Heathrow to London flights
Newcastle upon Tyne to Pierre Elliott Trudeau Intl flights
Liverpool to Pearson Intl flights
Glasgow Intl to Pierre Elliott Trudeau Intl flights
Glasgow Intl to Ottawa flights
Inverness to Pearson Intl flights

Top 7 airlines flying from United Kingdom to Ottawa

Discover the top 7 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 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£333Average£349FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£343Average£661FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapest£359Average£540FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air FranceCheapest£364Average£640FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£366Average£588FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£450Average£609FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£456Average£588FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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