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Cheap flights from the United Kingdom to Ottawa from £244

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Ottawa departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United Kingdom to Ottawa

Recent return flight deals from the United Kingdom to Ottawa

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:30 - 15:10
LHR
-
YOW
13h 40m
2 stops
Multiple Airlines Logo
17:20 - 18:20
YOW
-
LHR
20h 00m
1 stop
£411Multiple Airlines
Thu, 19 Feb - Sun, 22 Feb
Air France Logo
17:00 - 00:39
LGW
-
YOW
36h 39m
2 stops
Air France Logo
17:10 - 16:00
YOW
-
LGW
17h 50m
1 stop
£413Air France
Wed, 15 Apr - Tue, 28 Apr
Multiple Airlines Logo
17:45 - 00:39
LHR
-
YOW
11h 54m
1 stop
Multiple Airlines Logo
17:25 - 10:30
YOW
-
LHR
12h 05m
1 stop
£414Multiple Airlines
Fri, 17 Apr - Mon, 27 Apr
KLM Logo
06:30 - 15:10
LHR
-
YOW
13h 40m
2 stops
KLM Logo
05:40 - 09:00
YOW
-
LHR
22h 20m
2 stops
£415KLM
Thu, 19 Feb - Sun, 22 Feb
Air Canada Logo
09:30 - 19:51
LHR
-
YOW
15h 21m
2 stops
Air Canada Logo
14:25 - 08:35
YOW
-
LHR
13h 10m
2 stops
£415Air Canada
Sat, 30 May - Fri, 5 Jun
Multiple Airlines Logo
06:30 - 00:39
STN
-
YOW
22h 09m
2 stops
Multiple Airlines Logo
05:40 - 18:20
YOW
-
STN
32h 40m
2 stops
£415Multiple Airlines
Thu, 12 Mar - Mon, 23 Mar
KLM Logo
06:30 - 16:10
LHR
-
YOW
13h 40m
2 stops
KLM Logo
18:35 - 13:50
YOW
-
LHR
15h 15m
2 stops
£420KLM
Fri, 13 Mar - Sun, 22 Mar
Air Transat Logo
09:40 - 12:40
LGW
-
YOW
8h 00mdirect
Air Transat Logo
19:40 - 07:55
YOW
-
LGW
7h 15mdirect
£426Air Transat
Fri, 5 Jun - Fri, 3 Jul
Virgin Atlantic Logo
18:40 - 15:00
BHX
-
YOW
25h 20m
1 stop
Virgin Atlantic Logo
17:10 - 09:30
YOW
-
BHX
11h 20m
1 stop
£539Virgin Atlantic
Wed, 13 May - Tue, 19 May
Air Canada Logo
06:10 - 16:23
MAN
-
YOW
15h 13m
2 stops
Air Canada Logo
19:55 - 10:20
YOW
-
MAN
33h 25m
2 stops
£629Air Canada
Tue, 3 Feb - Wed, 11 Feb

Air Canada flights from United Kingdom to Ottawa

Our best Air Canada deals on United Kingdom to Ottawa flight tickets
Air Canada
30 May
LHR09:30London Heathrow
15h 21m
2 stops
YOW19:51Ottawa
5 Jun
YOW14:25Ottawa
13h 10m
2 stops
LHR08:35London Heathrow
£415
Air Canada
31 Jan
LHR18:00London Heathrow
12h 38m
1 stop
YOW01:38Ottawa
14 Feb
YOW16:40Ottawa
22h 55m
1 stop
LHR20:35London Heathrow
£437
Air Canada
14 Feb
LHR18:00London Heathrow
19h 18m
1 stop
YOW08:18Ottawa
21 Feb
YOW19:50Ottawa
19h 45m
2 stops
LHR20:35London Heathrow
£439

Air Transat flights from United Kingdom to Ottawa

Our best Air Transat deals on United Kingdom to Ottawa flight tickets
Air Transat
5 Jun
LGW09:40London Gatwick
8h 00m
YOW12:40Ottawa
3 Jul
YOW19:40Ottawa
7h 15m
LGW07:55London Gatwick
£426
Air Transat
6 Jun
LGW09:40London Gatwick
15h 21m
1 stop
YOW20:01Ottawa
25 Jul
YOW07:00Ottawa
19h 55m
1 stop
LGW07:55London Gatwick
£463
Air Transat
4 Mar
LGW11:40London Gatwick
25h 45m
1 stop
YOW08:25Ottawa
11 Mar
YOW10:00Ottawa
19h 45m
1 stop
LGW09:45London Gatwick
£468

momondo 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, momondo users made 279,928 searches. Data last updated 18 January 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

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 19/2

06:30-15:10

2 stops13h 40m

Ottawa

Sun 22/2

17:20-18:20

1 stop20h 00m

£411

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 15/4

17:00-00:39

2 stops36h 39m

Ottawa

Tue 28/4

17:10-16:00

1 stop17h 50m

£413

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 17/4

17:45-00:39

1 stop11h 54m

Ottawa

Mon 27/4

17:25-10:30

1 stop12h 05m

£414

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 19/2

06:30-15:10

2 stops13h 40m

Ottawa

Sun 22/2

05:40-09:00

2 stops22h 20m

£415

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 30/5

09:30-19:51

2 stops15h 21m

Ottawa

Fri 5/6

14:25-08:35

2 stops13h 10m

£415

LondonOttawa

STN - YOW

STNYOW

London Stansted

Thu 12/3

06:30-00:39

2 stops22h 09m

Ottawa

Mon 23/3

05:40-18:20

2 stops32h 40m

£415

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 13/3

06:30-16:10

2 stops13h 40m

Ottawa

Sun 22/3

18:35-13:50

2 stops15h 15m

£420

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 5/6

09:40-12:40

Nonstop8h 00m

Ottawa

Fri 3/7

19:40-07:55

Nonstop7h 15m

£426

BirminghamOttawa

BHX - YOW

BHXYOW

Birmingham

Wed 13/5

18:40-15:00

1 stop25h 20m

Ottawa

Tue 19/5

17:10-09:30

1 stop11h 20m

£539

ManchesterOttawa

MAN - YOW

MANYOW

Manchester

Tue 3/2

06:10-16:23

2 stops15h 13m

Ottawa

Wed 11/2

19:55-10:20

2 stops33h 25m

£629

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ottawa from

How to get the cheapest flight ticket from United Kingdom to Ottawa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ottawa?

In general, February is the cheapest month to fly from United Kingdom to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £492. If you aren’t able to travel during the month of February, then book flights to Ottawa from United Kingdom during April instead. Flights to Ottawa in April, while not as cheap as those in February, still average around £496.

What is the cheapest day to depart on your flight to Ottawa?

The cheapest day to depart on your flight to Ottawa is on a Friday when prices can be found for as low as £517. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £611. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ottawa.

What is the cheapest time of day to depart on your flight to Ottawa?

Flying to Ottawa from United Kingdom at midday is the least expensive time of day to depart. momondo users have found prices as low as £554 when looking at flights departing at midday. In the morning is when there is more demand to fly to Ottawa, so prices are often more expensive at around £569 per ticket.

What is the cheapest United Kingdom to Ottawa flight route?

Fly from London Gatwick to Ottawa for the best United Kingdom - Ottawa flight prices

How far in advance should I book a flight to Ottawa?

You are more likely to see cheaper flights to Ottawa from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around £556 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from United Kingdom for as low as £379 on momondo.

What cabin class options are available on United Kingdom to Ottawa flights?

There are 3 cabin classes available to choose from on United Kingdom to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United Kingdom to Ottawa flights?

You could potentially save up to 23% on your flight if you consider stops on a United Kingdom to Ottawa flight.

Cheap United Kingdom to Ottawa flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Ottawa

Best price found

£282

Fastest flight time

7h 30m

Direct flights

Every day

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from United Kingdom in the past 72 hours is £282. The best return flight deal from United Kingdom to Ottawa found on momondo in the last 72 hours is £451.
The fastest flight from United Kingdom to Ottawa takes 7h 30m
Direct flights go from United Kingdom to Ottawa every day.
There is 1 airport in Ottawa. From United Kingdom there are direct flights to Ottawa (YOW).
Search flight deals

  • When did momondo last update prices for flights from United Kingdom to Ottawa Airport?

    Prices for flights from United Kingdom to Ottawa Airport were last updated today.

  • How many operators does momondo search for flights from United Kingdom to Ottawa Airport?

  • How old do you have to be to fly from United Kingdom to Ottawa Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Ottawa Airport.

  • What documentation or ID do you need to fly to Ottawa Airport?

    The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from United Kingdom to Ottawa?

Best airlines flying from United Kingdom to Ottawa

Compare and see reviews for airlines that fly from United Kingdom to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom £305Free CancellationRating
7.1
10,632 reviews
Search Air Canada flights
United AirlinesPriceFrom £337Free CancellationRating
7.4
9,174 reviews
Search United Airlines flights
KLMPriceFrom £352Free CancellationRating
7.7
1,441 reviews
Search KLM flights
Air FrancePriceFrom £362Free CancellationRating
7.4
1,523 reviews
Search Air France flights
Virgin AtlanticPriceFrom £371Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
Air TransatPriceFrom £434Free CancellationRating
7.7
496 reviews
Search Air Transat flights
LufthansaPriceFrom £452Free CancellationRating
6.8
7,728 reviews
Search Lufthansa flights

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Smiths Falls

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Ottawa?

It is quick and easy to find United Kingdom to Ottawa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ottawa that suits you.

Can I find flights from United Kingdom to Ottawa with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ottawa from United Kingdom with this policy.

How can momondo help me find flights from United Kingdom to Ottawa?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ottawa from United Kingdom.

I’m not ready to book a flight from United Kingdom to Ottawa right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ottawa, momondo offers a useful price alert feature which will track prices for flights to Ottawa from United Kingdom and alert you when they change.

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