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Cheap flights from the United Kingdom to Ottawa from £264

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 4/2. 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
13:25 - 17:16
LHR
-
YOW
32h 51m2 stops
Multiple Airlines Logo
21:55 - 09:20
YOW
-
LHR
6h 25mdirect
£483Multiple Airlines
Wed, 25 Feb - Sun, 1 Mar
Multiple Airlines Logo
13:25 - 11:21
LHR
-
YOW
26h 56m2 stops
Multiple Airlines Logo
21:55 - 09:20
YOW
-
LHR
6h 25mdirect
£484Multiple Airlines
Thu, 26 Feb - Wed, 4 Mar
Air Transat Logo
11:40 - 00:43
LGW
-
YOW
18h 03m1 stop
Air Transat Logo
18:55 - 09:45
YOW
-
LGW
9h 50m1 stop
£485Air Transat
Tue, 17 Feb - Fri, 20 Feb
Virgin Atlantic Logo
09:00 - 15:05
LHR
-
YOW
11h 05m1 stop
Virgin Atlantic Logo
17:15 - 08:00
YOW
-
LHR
9h 45m1 stop
£485Virgin Atlantic
Fri, 10 Apr - Sun, 19 Apr
Air France Logo
14:45 - 00:39
LHR
-
YOW
14h 54m2 stops
Air France Logo
17:20 - 18:20
YOW
-
LHR
20h 00m1 stop
£486Air France
Wed, 25 Feb - Mon, 2 Mar
Air Transat Logo
12:40 - 08:25
LGW
-
YOW
24h 45m1 stop
Air Transat Logo
15:05 - 10:45
YOW
-
LGW
14h 40m1 stop
£488Air Transat
Fri, 10 Apr - Sun, 19 Apr
Air Canada Logo
13:25 - 09:46
LHR
-
YOW
25h 21m2 stops
Air Canada Logo
21:55 - 09:20
YOW
-
LHR
6h 25mdirect
£497Air Canada
Wed, 25 Feb - Sun, 1 Mar
Air Canada Logo
09:00 - 17:43
LHR
-
YOW
13h 43m1 stop
Air Canada Logo
10:30 - 07:10
YOW
-
LHR
15h 40m2 stops
£498Air Canada
Wed, 25 Feb - Wed, 4 Mar
Air France Logo
06:00 - 15:10
MAN
-
YOW
14h 10m1 stop
Air France Logo
17:20 - 18:40
YOW
-
MAN
20h 20m1 stop
£532Air France
Thu, 29 Jan - Thu, 5 Feb
Lufthansa Logo
09:50 - 18:38
LCY
-
YOW
13h 48m2 stops
Lufthansa Logo
14:05 - 17:35
YOW
-
LCY
22h 30m2 stops
£538Lufthansa
Tue, 13 Jan - Tue, 20 Jan

Air Transat flights from United Kingdom to Ottawa

Our best Air Transat deals on United Kingdom to Ottawa flight tickets
Air Transat
17 Feb
LGW11:40London Gatwick
18h 03m
1 stop
YOW00:43Ottawa
20 Feb
YOW18:55Ottawa
9h 50m
1 stop
LGW09:45London Gatwick
£485
Find similar
Air Transat
10 Apr
LGW12:40London Gatwick
24h 45m
1 stop
YOW08:25Ottawa
19 Apr
YOW15:05Ottawa
14h 40m
1 stop
LGW10:45London Gatwick
£488
Find similar
Air Transat
13 Mar
LGW11:40London Gatwick
17h 01m
1 stop
YOW00:41Ottawa
22 Mar
YOW18:55Ottawa
10h 50m
1 stop
LGW09:45London Gatwick
£488
Find similar

Lufthansa flights from United Kingdom to Ottawa

Our best Lufthansa deals on United Kingdom to Ottawa flight tickets
Lufthansa
14 Jan
LHR13:00London Heathrow
10h 38m
1 stop
YOW18:38Ottawa
21 Jan
YOW21:55Ottawa
6h 25m
LHR09:20London Heathrow
£525
Find similar
Lufthansa
14 Jan
LHR12:00London Heathrow
7h 30m
YOW14:30Ottawa
21 Jan
YOW21:55Ottawa
6h 25m
LHR09:20London Heathrow
£532
Find similar
Lufthansa
13 Jan
LCY09:50London City
13h 48m
2 stops
YOW18:38Ottawa
20 Jan
YOW14:05Ottawa
22h 30m
2 stops
LCY17:35London City
£538
Find similar

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 December 2025.
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

Wed 25/2

13:25-17:16

2 stops32h 51m

Ottawa

Sun 1/3

21:55-09:20

Nonstop6h 25m

£483

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 26/2

13:25-11:21

2 stops26h 56m

Ottawa

Wed 4/3

21:55-09:20

Nonstop6h 25m

£484

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 17/2

11:40-00:43

1 stop18h 03m

Ottawa

Fri 20/2

18:55-09:45

1 stop9h 50m

£485

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 10/4

09:00-15:05

1 stop11h 05m

Ottawa

Sun 19/4

17:15-08:00

1 stop9h 45m

£485

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 25/2

14:45-00:39

2 stops14h 54m

Ottawa

Mon 2/3

17:20-18:20

1 stop20h 00m

£486

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 10/4

12:40-08:25

1 stop24h 45m

Ottawa

Sun 19/4

15:05-10:45

1 stop14h 40m

£488

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 25/2

13:25-09:46

2 stops25h 21m

Ottawa

Sun 1/3

21:55-09:20

Nonstop6h 25m

£497

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 25/2

09:00-17:43

1 stop13h 43m

Ottawa

Wed 4/3

10:30-07:10

2 stops15h 40m

£498

ManchesterOttawa

MAN - YOW

MANYOW

Manchester

Thu 29/1

06:00-15:10

1 stop14h 10m

Ottawa

Thu 5/2

17:20-18:40

1 stop20h 20m

£532

LondonOttawa

LCY - YOW

LCYYOW

London City

Tue 13/1

09:50-18:38

2 stops13h 48m

Ottawa

Tue 20/1

14:05-17:35

2 stops22h 30m

£538

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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, January 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 £476. If you aren’t able to travel during the month of January, then book flights to Ottawa from United Kingdom during March instead. Flights to Ottawa in March, while not as cheap as those in January, still average around £490.

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 £540. 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 £641. 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 in the evening is the least expensive time of day to depart. momondo users have found prices as low as £480 when looking at flights departing in the evening. In the morning is when there is more demand to fly to Ottawa, so prices are often more expensive at around £574 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 £554 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 £376 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 27% 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

£520

Fastest flight time

7h 30m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from United Kingdom in the past 72 hours is £520. The best return flight deal from United Kingdom to Ottawa found on momondo in the last 72 hours is £503.
The fastest flight from United Kingdom to Ottawa takes 7h 30m
Direct flights go from United Kingdom to Ottawa on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
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
10,532 reviews
Search Air Canada flights
United AirlinesPriceFrom £337Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
KLMPriceFrom £353Free CancellationRating
7.7
1,430 reviews
Search KLM flights
Air FrancePriceFrom £364Free CancellationRating
7.4
1,508 reviews
Search Air France flights
Virgin AtlanticPriceFrom £374Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
Air TransatPriceFrom £410Free CancellationRating
7.8
483 reviews
Search Air Transat flights
LufthansaPriceFrom £453Free CancellationRating
6.8
7,634 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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