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Cheap flights from the United Kingdom to Ottawa from C$ 486

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YOW
17 Jan — 24 Jan1
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 18 December 2025.

Mon 29/129:00 a.m.LHR - YOW
1 stop13h 43mAir Canada
Wed 7/14:40 p.m.YOW - LHR
1 stop22h 55mAir Canada
Deal found 17/12C$ 998
Mon 29/129:00 a.m.LHR - YOW
2 stops31h 20mAir Canada
Mon 5/17:55 p.m.YOW - LHR
1 stop30h 15mAir Canada
Deal found 17/12C$ 1,007
Wed 17/124:20 p.m.LHR - YOW
1 stop12h 34mAir Canada
Mon 22/127:27 p.m.YOW - LHR
1 stop30h 13mAir Canada
Deal found 16/12C$ 1,031
Sun 28/127:40 a.m.LHR - YOW
2 stops22h 58mAir Canada
Wed 7/14:40 p.m.YOW - LHR
1 stop22h 55mAir Canada
Deal found 17/12C$ 1,046
Wed 17/124:20 p.m.LHR - YOW
2 stops26h 12mUnited Airlines
Mon 22/127:27 p.m.YOW - LHR
1 stop30h 13mUnited Airlines
Deal found 16/12C$ 1,068
Tue 30/121:25 p.m.LHR - YOW
1 stop13h 55mAir Canada
Wed 7/14:40 p.m.YOW - LHR
1 stop22h 55mAir Canada
Deal found 17/12C$ 1,075
Sun 28/127:40 a.m.LHR - YOW
2 stops22h 58mAir Canada
Mon 5/15:59 p.m.YOW - LHR
1 stop21h 36mAir Canada
Deal found 17/12C$ 1,079
Tue 30/129:15 a.m.LCY - YOW
2 stops13h 25mSWISS
Tue 6/110:45 a.m.YOW - LCY
2 stops17h 00mSWISS
Deal found 17/12C$ 1,451
Fri 26/126:55 p.m.STN - YOW
2 stops26h 56mMultiple Airlines
Fri 2/16:45 a.m.YOW - STN
2 stops24h 35mMultiple Airlines
Deal found 16/12C$ 1,542
Mon 29/127:10 a.m.STN - YOW
3 stops46h 32mMultiple Airlines
Mon 5/13:55 p.m.YOW - STN
3 stops17h 25mMultiple Airlines
Deal found 17/12C$ 1,561
Mon 29/129:15 a.m.LCY - YOW
2 stops15h 03mSWISS
Tue 6/110:45 a.m.YOW - LCY
2 stops17h 00mSWISS
Deal found 17/12C$ 1,602
Wed 31/129:20 a.m.LCY - YOW
2 stops13h 20mSWISS
Tue 6/110:45 a.m.YOW - LCY
2 stops17h 00mSWISS
Deal found 17/12C$ 1,635

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 18 December 2025.

Round-trip from

C$ 890

One-way from

C$ 486

Popular in

August

Cheapest in

January

Average price

C$ 1,164

Good round-trip deal

C$ 879 or less
Lufthansa
  • Lufthansa
  • 25/2-1/3
  • 2 total stops
  • 39h 16m total
  • United Kingdom to Ottawa
Search Deals
4/2
  • 4/2
  • 2 total stops
  • 35h 27m total
  • United Kingdom to Ottawa
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 188 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip 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 18 December 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

Wed 25/2

1:25 p.m.-5:16 p.m.

2 stops32h 51m

Ottawa

Sun 1/3

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

Nonstop6h 25m

C$ 890

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sun 1/2

11:40 a.m.-12:43 a.m.

1 stop18h 03m

Ottawa

Sun 8/2

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

1 stop22h 00m

C$ 909

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 25/2

12:00 p.m.-2:30 p.m.

Nonstop7h 30m

Ottawa

Wed 4/3

10:30 a.m.-7:10 a.m.

2 stops15h 40m

C$ 916

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 24/1

2:00 p.m.-11:58 p.m.

1 stop14h 58m

Ottawa

Mon 2/2

9:30 a.m.-10:00 a.m.

1 stop19h 30m

C$ 916

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 23/1

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

2 stops17h 13m

Ottawa

Sun 25/1

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

Nonstop6h 25m

C$ 926

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 9/1

2:30 p.m.-12:42 a.m.

1 stop15h 12m

Ottawa

Fri 16/1

5:35 p.m.-6:20 p.m.

1 stop19h 45m

C$ 926

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 29/4

12:40 p.m.-1:34 a.m.

2 stops17h 54m

Ottawa

Wed 6/5

9:00 p.m.-8:35 a.m.

Nonstop6h 35m

C$ 945

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 1/2

9:00 a.m.-2:21 p.m.

1 stop10h 21m

Ottawa

Sun 8/2

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

Nonstop6h 25m

C$ 960

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 29/4

6:30 a.m.-9:14 p.m.

2 stops19h 44m

Ottawa

Wed 6/5

12:00 p.m.-10:40 a.m.

2 stops17h 40m

C$ 974

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 9/1

11:10 a.m.-6:38 p.m.

1 stop12h 28m

Ottawa

Fri 16/1

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

Nonstop6h 25m

C$ 975

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/12

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$ 178). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of C$ 697). 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 18 December 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 35% versus a flight in the morning.

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

About 8% of weekly flights between United Kingdom and Ottawa have experienced delays in the past year, with the average delay time being 231 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?

Friday 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 8% 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 18 December 2025.
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
7.8
Good
483 reviews
Check prices

Boarding

7.9

Overall

7.8

Comfort

7.3

Crew

8.4

Entertainment

7.1

Food

6.8

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
483 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Boarding

7.9

Overall

7.8

Comfort

7.3

Crew

8.4

Entertainment

7.1

Food

6.8

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
1,507 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Boarding

7.9

Overall

7.8

Comfort

7.3

Crew

8.4

Entertainment

7.1

Food

6.8

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
10,534 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Boarding

7.9

Overall

7.8

Comfort

7.3

Crew

8.4

Entertainment

7.1

Food

6.8

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
7,635 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Boarding

7.9

Overall

7.8

Comfort

7.3

Crew

8.4

Entertainment

7.1

Food

6.8

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 7h 30m. Air Transat provides one of the quickest options available for as low as C$ 916. 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$ 506 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Transat and Lufthansa, with prices starting from C$ 673 and C$ 840, 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: Aegean Airlines (100%), United Airlines (95%), TAP AIR PORTUGAL( 92%).

  • 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$ 984, our data indicates the cheapest price to be C$ 760. The most popular route (London Heathrow - Ottawa), is priced around C$ 670.

  • 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$ 178). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of C$ 697). 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
Pembroke
Wakefield

Browse thousands of different options on Cheapflights for your next trip

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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 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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapestC$ 793AverageC$ 1,074FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapestC$ 799AverageC$ 1,015FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 852AverageC$ 1,002FlexibilityNo 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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