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Cheap flights from the United Kingdom to Ottawa from £208

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 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YOW
25 Jan — 1 Feb1
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 December 2025.

Tue 30/1209:00LHR - YOW
1 stop13h 43mAir Canada
Fri 9/110:20YOW - LHR
2 stops15h 50mAir Canada
Deal found 26/12£501
Fri 26/1209:00LHR - YOW
2 stops18h 20mAir Canada
Wed 7/116:40YOW - LHR
1 stop22h 55mAir Canada
Deal found 25/12£515
Sat 27/1209:00LHR - YOW
1 stop13h 43mAir Canada
Thu 8/116:00YOW - LHR
1 stop10h 10mAir Canada
Deal found 26/12£516
Mon 29/1213:25LHR - YOW
1 stop13h 55mAir Canada
Wed 7/116:40YOW - LHR
1 stop22h 55mAir Canada
Deal found 25/12£516
Fri 26/1220:05LHR - YOW
2 stops42h 35mMultiple Airlines
Fri 9/114:50YOW - LHR
1 stop11h 20mMultiple Airlines
Deal found 26/12£517
Tue 30/1209:00LHR - YOW
1 stop13h 43mAir Canada
Sun 11/108:30YOW - LHR
2 stops17h 40mAir Canada
Deal found 26/12£518
Tue 30/1213:25LHR - YOW
1 stop13h 55mAir Canada
Sat 10/108:30YOW - LHR
2 stops17h 40mAir Canada
Deal found 26/12£521
Sun 28/1211:10LHR - YOW
2 stops27h 30mMultiple Airlines
Sat 10/110:20YOW - LHR
1 stop15h 10mMultiple Airlines
Deal found 26/12£522
Mon 29/1213:25LHR - YOW
1 stop13h 55mAir Canada
Thu 8/119:25YOW - LHR
1 stop10h 55mAir Canada
Deal found 25/12£531
Wed 24/1217:40LCY - YOW
2 stops29h 00mMultiple Airlines
Sat 31/118:05YOW - LCY
2 stops42h 35mMultiple Airlines
Deal found 24/12£636
Mon 29/1211:40LGW - YOW
1 stop11h 45mAir Transat
Sun 11/115:05YOW - LGW
1 stop13h 40mAir Transat
Deal found 26/12£693
Tue 30/1209:15LCY - YOW
2 stops13h 25mSWISS
Tue 6/110:45YOW - LCY
2 stops17h 00mSWISS
Deal found 25/12£698

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 December 2025.

Round-trip from

£478

One-way from

£208

Popular in

August

Cheapest in

January

Average price

£644

Good round-trip deal

£504 or less

Good one-way deal

£802 or less
Air France
  • Air France
  • 1/4-10/9
  • 2 total stops
  • 38h 10m total
  • United Kingdom to Ottawa
Search Deals
16/3
  • 16/3
  • 2 total stops
  • 33h 19m total
  • United Kingdom to Ottawa
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£52 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return 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
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 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

LGW - YOW

LGWYOW

London Gatwick

Wed 1/4

17:00-15:00

1 stop27h 00m

Ottawa

Thu 10/9

17:15-09:25

1 stop11h 10m

£478

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 12/1

09:00-21:18

2 stops17h 18m

Ottawa

Thu 5/2

10:30-07:10

2 stops15h 40m

£481

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 17/3

11:40-00:41

1 stop17h 01m

Ottawa

Wed 15/4

18:55-10:45

1 stop10h 50m

£485

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 10/2

11:40-18:28

1 stop11h 48m

Ottawa

Tue 24/2

18:50-09:45

1 stop9h 55m

£489

ManchesterOttawa

MAN - YOW

MANYOW

Manchester

Fri 23/1

06:00-15:10

1 stop14h 10m

Ottawa

Fri 30/1

17:20-16:05

1 stop17h 45m

£490

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 31/3

17:45-00:39

1 stop11h 54m

Ottawa

Fri 11/9

17:15-10:30

1 stop12h 15m

£495

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 1/4

17:00-15:00

1 stop27h 00m

Ottawa

Fri 11/9

17:15-09:25

1 stop11h 10m

£496

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 31/3

17:45-00:39

1 stop11h 54m

Ottawa

Thu 10/9

17:15-07:55

1 stop9h 40m

£499

ManchesterOttawa

MAN - YOW

MANYOW

Manchester

Wed 28/1

11:55-00:42

2 stops17h 47m

Ottawa

Sat 31/1

05:40-10:45

2 stops24h 05m

£501

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 23/1

11:40-18:28

1 stop11h 48m

Ottawa

Fri 30/1

18:55-09:45

1 stop9h 50m

£503

Flights are sorted by cheapest return flights first.

Deals found on 26/12

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 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, February is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of £96). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of £375). 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 December 2025.

One of the essential ways to save on airfare from United Kingdom to Ottawa is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 13% on airfare.

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 have 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 26 December 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
7.7
Good
485 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.3

Boarding

7.9

Overall

7.7

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 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
7.7
Good
485 reviews
Air Transat
7.7
Good
485 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.3

Boarding

7.9

Overall

7.7

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 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
677 reviews
Air Transat
7.7
Good
485 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.3

Boarding

7.9

Overall

7.7

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 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
1,515 reviews
Air Transat
7.7
Good
485 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.3

Boarding

7.9

Overall

7.7

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 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
10,562 reviews
Air Transat
7.7
Good
485 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.3

Boarding

7.9

Overall

7.7

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 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
7,653 reviews
Air Transat
7.7
Good
485 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.3

Boarding

7.9

Overall

7.7

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 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?

    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 17h 01m. Air France provides one of the quickest options available for as low as £485. 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?

    £276 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Virgin Atlantic and Air Transat, with prices starting from £289 and £342, 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 (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 £2,539, our data indicates the cheapest price to be £411. The most popular route (London Heathrow - Ottawa), is priced around £366.

  • 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, February is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of £96). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of £375). 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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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 26 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£303Average£554FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£334Average£351FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£349Average£543FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£360Average£605FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£368Average£563FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air TransatCheapest£406Average£532FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
LufthansaCheapest£448Average£531FlexibilityNo 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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