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Cheap flights from the United Kingdom to Ottawa from £202

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 2/3. 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.
Air Canada Logo
09:30 - 19:51
LHR
-
YOW
15h 21m
2 stops
Air Canada Logo
20:00 - 11:50
YOW
-
LHR
10h 50m
1 stop
£400Air Canada
Sat, 13 Jun - Sun, 28 Jun
United Airlines Logo
12:10 - 23:54
LHR
-
YOW
40h 44m
2 stops
United Airlines Logo
15:10 - 10:40
YOW
-
LHR
14h 30m
2 stops
£401United Airlines
Fri, 15 May - Mon, 18 May
Multiple Airlines Logo
11:40 - 00:39
LGW
-
YOW
17h 59m
1 stop
Multiple Airlines Logo
05:40 - 09:45
YOW
-
LGW
23h 05m
1 stop
£403Multiple Airlines
Sat, 28 Feb - Sat, 7 Mar
Multiple Airlines Logo
11:40 - 00:39
LGW
-
YOW
17h 59m
1 stop
Multiple Airlines Logo
05:40 - 09:45
YOW
-
LGW
23h 05m
1 stop
£404Multiple Airlines
Fri, 27 Feb - Fri, 6 Mar
Air Transat Logo
11:40 - 18:23
LGW
-
YOW
11h 43m
1 stop
Air Transat Logo
18:55 - 10:45
YOW
-
LGW
10h 50m
1 stop
£418Air Transat
Mon, 2 Mar - Mon, 30 Mar
Air Transat Logo
11:40 - 00:38
LGW
-
YOW
16h 58m
1 stop
Air Transat Logo
18:55 - 09:45
YOW
-
LGW
10h 50m
1 stop
£423Air Transat
Mon, 16 Mar - Mon, 23 Mar
Air France Logo
06:00 - 15:10
MAN
-
YOW
14h 10m
1 stop
Air France Logo
17:20 - 10:10
YOW
-
MAN
11h 50m
1 stop
£539Air France
Fri, 27 Feb - Fri, 6 Mar
Air France Logo
06:00 - 16:10
MAN
-
YOW
14h 10m
1 stop
Air France Logo
18:35 - 10:10
YOW
-
MAN
11h 35m
1 stop
£542Air France
Sun, 15 Mar - Sun, 22 Mar
KLM Logo
05:50 - 16:10
MAN
-
YOW
14h 20m
2 stops
KLM Logo
05:40 - 08:20
YOW
-
MAN
22h 40m
2 stops
£591KLM
Sun, 15 Mar - Sun, 22 Mar
KLM Logo
05:50 - 15:10
MAN
-
YOW
14h 20m
2 stops
KLM Logo
17:20 - 12:45
YOW
-
MAN
14h 25m
2 stops
£593KLM
Fri, 27 Feb - Fri, 6 Mar

Air France flights from United Kingdom to Ottawa

Our best Air France deals on United Kingdom to Ottawa flight tickets
Air France
16 Feb
LHR06:20London Heathrow
13h 50m
1 stop
YOW15:10Ottawa
7 Apr
YOW17:10Ottawa
12h 20m
1 stop
LHR10:30London Heathrow
£488
Air France
23 Apr
LHR15:00London Heathrow
14h 39m
2 stops
YOW00:39Ottawa
8 May
YOW17:25Ottawa
9h 30m
1 stop
LHR07:55London Heathrow
£499
Air France
13 May
LGW17:00London Gatwick
27h 00m
1 stop
YOW15:00Ottawa
9 Jul
YOW17:10Ottawa
11h 15m
1 stop
LGW09:25London Gatwick
£499

KLM flights from United Kingdom to Ottawa

Our best KLM deals on United Kingdom to Ottawa flight tickets
KLM
15 Mar
MAN05:50Manchester
14h 20m
2 stops
YOW16:10Ottawa
22 Mar
YOW05:40Ottawa
22h 40m
2 stops
MAN08:20Manchester
£591
KLM
27 Feb
MAN05:50Manchester
14h 20m
2 stops
YOW15:10Ottawa
6 Mar
YOW17:20Ottawa
14h 25m
2 stops
MAN12:45Manchester
£593
KLM
15 Mar
MAN05:50Manchester
14h 20m
2 stops
YOW16:10Ottawa
22 Mar
YOW18:35Ottawa
14h 10m
2 stops
MAN12:45Manchester
£603

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 31 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

Sat 13/6

09:30-19:51

2 stops15h 21m

Ottawa

Sun 28/6

20:00-11:50

1 stop10h 50m

£400

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 15/5

12:10-23:54

2 stops40h 44m

Ottawa

Mon 18/5

15:10-10:40

2 stops14h 30m

£401

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 28/2

11:40-00:39

1 stop17h 59m

Ottawa

Sat 7/3

05:40-09:45

1 stop23h 05m

£403

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 27/2

11:40-00:39

1 stop17h 59m

Ottawa

Fri 6/3

05:40-09:45

1 stop23h 05m

£404

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Mon 2/3

11:40-18:23

1 stop11h 43m

Ottawa

Mon 30/3

18:55-10:45

1 stop10h 50m

£418

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Mon 16/3

11:40-00:38

1 stop16h 58m

Ottawa

Mon 23/3

18:55-09:45

1 stop10h 50m

£423

ManchesterOttawa

MAN - YOW

MANYOW

Manchester

Fri 27/2

06:00-15:10

1 stop14h 10m

Ottawa

Fri 6/3

17:20-10:10

1 stop11h 50m

£539

ManchesterOttawa

MAN - YOW

MANYOW

Manchester

Sun 15/3

06:00-16:10

1 stop14h 10m

Ottawa

Sun 22/3

18:35-10:10

1 stop11h 35m

£542

ManchesterOttawa

MAN - YOW

MANYOW

Manchester

Sun 15/3

05:50-16:10

2 stops14h 20m

Ottawa

Sun 22/3

05:40-08:20

2 stops22h 40m

£591

ManchesterOttawa

MAN - YOW

MANYOW

Manchester

Fri 27/2

05:50-15:10

2 stops14h 20m

Ottawa

Fri 6/3

17:20-12:45

2 stops14h 25m

£593

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 £483. If you aren’t able to travel during the month of February, then book flights to Ottawa from United Kingdom during May instead. Flights to Ottawa in May, while not as cheap as those in February, still average around £483.

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 £507. 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 £587. 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 £546 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 £553 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 £543 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 £369 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 29% 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

£275

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 £275. The best return flight deal from United Kingdom to Ottawa found on momondo in the last 72 hours is £450.
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 £297Free CancellationRating
7.1
10,668 reviews
Search Air Canada flights
United AirlinesPriceFrom £328Free CancellationRating
7.4
9,219 reviews
Search United Airlines flights
KLMPriceFrom £343Free CancellationRating
7.7
1,444 reviews
Search KLM flights
Air FrancePriceFrom £353Free CancellationRating
7.4
1,528 reviews
Search Air France flights
Virgin AtlanticPriceFrom £358Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
Air TransatPriceFrom £419Free CancellationRating
7.7
502 reviews
Search Air Transat flights
LufthansaPriceFrom £435Free CancellationRating
6.8
7,758 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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