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Cheap flights from the United Kingdom to Ottawa from £183

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YOW
17 Aug — 24 Aug1
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 July 2026.

Tue 1/911:35
LGW
-
YOW
2 stops37h 29m
Air Transat
Tue 8/919:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 14/7£403
Wed 23/906:00
LHR
-
YOW
2 stops16h 10m
Multiple Airlines
Sun 27/918:00
YOW
-
LHR
1 stop11h 00m
Multiple Airlines
Deal found 14/7£404
Tue 15/918:35
LGW
-
YOW
2 stops32h 35m
Multiple Airlines
Tue 22/916:00
YOW
-
LGW
2 stops20h 50m
Multiple Airlines
Deal found 14/7£404
Tue 1/920:35
LGW
-
YOW
3 stops32h 45m
Multiple Airlines
Tue 8/914:15
YOW
-
LGW
1 stop14h 35m
Multiple Airlines
Deal found 18/7£405
Fri 11/908:30
LHR
-
YOW
2 stops18h 40m
Lufthansa
Tue 15/914:35
YOW
-
LHR
1 stop10h 55m
Lufthansa
Deal found 13/7£405
Fri 11/908:40
LHR
-
YOW
2 stops18h 30m
Multiple Airlines
Sat 26/917:50
YOW
-
LHR
1 stop11h 10m
Multiple Airlines
Deal found 17/7£406
Fri 11/912:40
LHR
-
YOW
1 stop11h 10m
Air Canada
Tue 15/912:15
YOW
-
LHR
1 stop27h 45m
Air Canada
Deal found 15/7£407
Sat 12/909:30
LHR
-
YOW
2 stops15h 22m
Air Canada
Wed 30/915:10
YOW
-
LHR
1 stop13h 50m
Air Canada
Deal found 15/7£410
Fri 18/909:30
LHR
-
YOW
1 stop16h 14m
Air Canada
Mon 21/917:30
YOW
-
LHR
1 stop22h 30m
Air Canada
Deal found 14/7£410
Fri 4/922:00
LGW
-
YOW
3 stops31h 20m
Multiple Airlines
Sun 13/919:40
YOW
-
LGW
Nonstop7h 15m
Multiple Airlines
Deal found 16/7£412
Fri 11/912:40
LHR
-
YOW
1 stop11h 10m
Air Canada
Fri 18/909:05
YOW
-
LHR
1 stop16h 25m
Air Canada
Deal found 17/7£412
Tue 25/821:35
LGW
-
YOW
3 stops31h 45m
Multiple Airlines
Tue 1/919:40
YOW
-
LGW
Nonstop7h 15m
Multiple Airlines
Deal found 18/7£424

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 July 2026.

Round-trip from

£403

One-way from

£183

Popular in

December

Cheapest in

June

Average price

£583

Good round-trip deal

£476 or less

Good one-way deal

£257 or less
Air Transat
  • Air Transat
  • 1/9-8/9
  • 2 total stops
  • 44h 44m total
  • United Kingdom to Ottawa
Search Deals
25/8
  • 25/8
  • 3 total stops
  • 33h 25m total
  • United Kingdom to Ottawa
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 18 July 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

LHR - YOW

LHRYOW

London Heathrow

Sat 15/8

06:50-23:54

2 stops22h 04m

Ottawa

Tue 15/9

10:25-07:15

2 stops15h 50m

£486

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Mon 31/8

09:40-08:05

1 stop27h 25m

Ottawa

Mon 7/9

07:00-10:45

1 stop22h 45m

£491
Fastest return journey

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 25/8

09:40-12:40

Nonstop8h 00m

Ottawa

Mon 7/9

16:00-07:55

1 stop10h 55m

£500

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 29/8

12:40-20:10

1 stop12h 30m

Ottawa

Fri 11/9

19:40-07:55

Nonstop7h 15m

£500

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 25/8

09:40-12:40

Nonstop8h 00m

Ottawa

Thu 10/9

16:00-07:55

1 stop10h 55m

£500

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 27/8

09:40-21:20

1 stop16h 40m

Ottawa

Tue 8/9

19:40-07:55

Nonstop7h 15m

£500

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 21/8

09:40-12:40

Nonstop8h 00m

Ottawa

Mon 7/9

16:00-07:55

1 stop10h 55m

£503

LondonOttawa

STN - YOW

STNYOW

London Stansted

Thu 27/8

06:30-17:35

3 stops40h 05m

Ottawa

Mon 31/8

06:55-22:50

3 stops34h 55m

£504

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 1/8

07:45-09:11

1 stop30h 26m

Ottawa

Wed 30/9

10:25-07:15

2 stops15h 50m

£505

LondonOttawa

LCY - YOW

LCYYOW

London City

Wed 19/8

07:45-17:35

2 stops14h 50m

Ottawa

Sun 30/8

17:25-09:50

2 stops11h 25m

£529

Flights are sorted by cheapest return flights first.

Deals found on 13/7

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, June is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of £452). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of £687). 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 July 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 201 minutes.

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

Historically, flights departing in the morning 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?

Tuesday 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 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 66 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 18 July 2026.
Check out reviews from past customers who have flown with Air Transat,Air France, andVirgin Atlantic 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
565 reviews
Check prices

Overall

7.8

Crew

8.5

Comfort

7.3

Boarding

8.0

Food

6.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.8
Good
565 reviews
Air Transat
7.8
Good
565 reviews
Check prices

Overall

7.8

Crew

8.5

Comfort

7.3

Boarding

8.0

Food

6.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air France
7.5
Good
1,626 reviews
Air Transat
7.8
Good
565 reviews
Check prices

Overall

7.8

Crew

8.5

Comfort

7.3

Boarding

8.0

Food

6.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Virgin Atlantic
7.5
Good
693 reviews
Air Transat
7.8
Good
565 reviews
Check prices

Overall

7.8

Crew

8.5

Comfort

7.3

Boarding

8.0

Food

6.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Canada
7.1
Good
11,352 reviews
Air Transat
7.8
Good
565 reviews
Check prices

Overall

7.8

Crew

8.5

Comfort

7.3

Boarding

8.0

Food

6.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Lufthansa
6.8
Okay
8,143 reviews
Air Transat
7.8
Good
565 reviews
Check prices

Overall

7.8

Crew

8.5

Comfort

7.3

Boarding

8.0

Food

6.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

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 14h 50m. United Airlines provides one of the quickest options available for as low as £529. Airlines will cover a distance of 3339 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 WestJet and Virgin Atlantic, with prices starting from £203 and £290, respectively.

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

    While some choose either London City - 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: Air Canada (88%), Austrian Airlines (88%), SriLankan Airlines (88%).

  • 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 £1,960, our data indicates the cheapest price to be £405. The most popular route (London Heathrow - Ottawa), is priced around £381.

  • 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, June is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of £452). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of £687). 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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Edinburgh to Pierre Elliott Trudeau Intl flights
Birmingham to Toronto Island flights
Bristol to Pearson Intl flights
Birmingham to Pierre Elliott Trudeau Intl flights
Leeds to Pearson Intl flights
Dublin to Toronto Island flights
Belfast Intl to Pearson Intl flights
Newcastle upon Tyne to Pearson Intl flights
Liverpool to Pearson Intl flights
Manchester to Ottawa flights
Amsterdam to Pearson Intl flights
Stansted to London flights
Glasgow Intl to Pierre Elliott Trudeau Intl flights
Heathrow to London flights

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 18 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£335Average£601FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air TransatCheapest£339Average£610FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air FranceCheapest£362Average£683FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£370Average£704FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£414Average£552FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
WestJetCheapest£472Average£527FlexibilityNo cancel feeOn-time60%
Search WestJet 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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