Cheap flights from London Gatwick Airport to Ottawa from £260

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Ottawa departing on 22/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London Gatwick Airport to Ottawa

Cheap return flights

Multiple Airlines Logo
08:50 - 17:58LGW-YOW
38h 08m3 stops
Multiple Airlines Logo
14:20 - 21:25YOW-LGW
26h 05m2 stops
£429Multiple Airlines
Find Deal
Tue, 14 Oct - Thu, 16 Oct
Multiple Airlines Logo
11:40 - 22:29LGW-YOW
15h 49m1 stop
Multiple Airlines Logo
14:50 - 09:45YOW-LGW
13h 55m1 stop
£462Multiple Airlines
Find Deal
Thu, 6 Nov - Thu, 20 Nov
WestJet Logo
10:45 - 00:22LGW-YOW
18h 37m2 stops
WestJet Logo
05:55 - 09:25YOW-LGW
22h 30m2 stops
£471WestJet
Find Deal
Sat, 11 Oct - Wed, 22 Oct
Multiple Airlines Logo
08:50 - 13:03LGW-YOW
33h 13m3 stops
Multiple Airlines Logo
10:50 - 06:20YOW-LGW
14h 30m1 stop
£474Multiple Airlines
Find Deal
Tue, 14 Oct - Thu, 16 Oct
Multiple Airlines Logo
11:40 - 00:42LGW-YOW
18h 02m1 stop
Multiple Airlines Logo
05:40 - 09:45YOW-LGW
23h 05m1 stop
£478Multiple Airlines
Find Deal
Thu, 20 Nov - Sun, 23 Nov
Multiple Airlines Logo
12:40 - 00:22LGW-YOW
16h 42m1 stop
Multiple Airlines Logo
05:55 - 09:50YOW-LGW
46h 55m2 stops
£485Multiple Airlines
Find Deal
Sat, 11 Oct - Wed, 22 Oct
Air Transat Logo
11:40 - 18:26LGW-YOW
11h 46m1 stop
Air Transat Logo
06:45 - 09:45YOW-LGW
22h 00m1 stop
£488Air Transat
Find Deal
Thu, 25 Dec - Tue, 6 Jan
Air Transat Logo
11:40 - 14:56LGW-YOW
32h 16m1 stop
Air Transat Logo
06:45 - 09:45YOW-LGW
22h 00m1 stop
£489Air Transat
Find Deal
Wed, 24 Dec - Tue, 6 Jan
Air Transat Logo
12:40 - 21:00LGW-YOW
13h 20m1 stop
Air Transat Logo
07:00 - 10:45YOW-LGW
22h 45m1 stop
£500Air Transat
Find Deal
Wed, 1 Oct - Tue, 7 Oct
Air Transat Logo
11:40 - 00:41LGW-YOW
18h 01m1 stop
Air Transat Logo
10:00 - 09:45YOW-LGW
18h 45m1 stop
£502Air Transat
Find Deal
Mon, 12 Jan - Sat, 17 Jan

Air Transat flights from London Gatwick Airport to Ottawa

Our best Air Transat deals on London Gatwick Airport to Ottawa flight tickets
Air Transat
25 Dec
LGW11:40London Gatwick
11h 46m
1 stop
YOW18:26Ottawa
6 Jan
YOW06:45Ottawa
22h 00m
1 stop
LGW09:45London Gatwick
Air Transat
24 Dec
LGW11:40London Gatwick
32h 16m
1 stop
YOW14:56Ottawa
6 Jan
YOW06:45Ottawa
22h 00m
1 stop
LGW09:45London Gatwick
Air Transat
1 Oct
LGW12:40London Gatwick
13h 20m
1 stop
YOW21:00Ottawa
7 Oct
YOW07:00Ottawa
22h 45m
1 stop
LGW10:45London Gatwick

WestJet flights from London Gatwick Airport to Ottawa

Our best WestJet deals on London Gatwick Airport to Ottawa flight tickets
WestJet
25 Sept
LGW10:45London Gatwick
18h 37m
2 stops
YOW00:22Ottawa
2 Oct
YOW05:55Ottawa
22h 30m
2 stops
LGW09:25London Gatwick
WestJet
11 Oct
LGW10:45London Gatwick
18h 37m
2 stops
YOW00:22Ottawa
22 Oct
YOW05:55Ottawa
22h 30m
2 stops
LGW09:25London Gatwick
WestJet
20 Sept
LGW10:45London Gatwick
18h 37m
2 stops
YOW00:22Ottawa
26 Sept
YOW05:55Ottawa
22h 30m
2 stops
LGW09:25London Gatwick

momondo Fare Finder

 
Customise your flight search to find flights from London Gatwick Airport 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 September 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 14/10

08:50-17:58

3 stops38h 08m

Ottawa

Thu 16/10

14:20-21:25

2 stops26h 05m

£429

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 6/11

11:40-22:29

1 stop15h 49m

Ottawa

Thu 20/11

14:50-09:45

1 stop13h 55m

£462

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 11/10

10:45-00:22

2 stops18h 37m

Ottawa

Wed 22/10

05:55-09:25

2 stops22h 30m

£471

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 14/10

08:50-13:03

3 stops33h 13m

Ottawa

Thu 16/10

10:50-06:20

1 stop14h 30m

£474

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 20/11

11:40-00:42

1 stop18h 02m

Ottawa

Sun 23/11

05:40-09:45

1 stop23h 05m

£478

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 11/10

12:40-00:22

1 stop16h 42m

Ottawa

Wed 22/10

05:55-09:50

2 stops46h 55m

£485

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 25/12

11:40-18:26

1 stop11h 46m

Ottawa

Tue 6/1

06:45-09:45

1 stop22h 00m

£488

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 24/12

11:40-14:56

1 stop32h 16m

Ottawa

Tue 6/1

06:45-09:45

1 stop22h 00m

£489

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 1/10

12:40-21:00

1 stop13h 20m

Ottawa

Tue 7/10

07:00-10:45

1 stop22h 45m

£500

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Mon 12/1

11:40-00:41

1 stop18h 01m

Ottawa

Sat 17/1

10:00-09:45

1 stop18h 45m

£502

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 London Gatwick Airport 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 day to depart on your flight to Ottawa?

The cheapest day to depart on your flight to Ottawa is on a Monday when prices can be found for as low as £541. 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 Saturday because tickets tend to average around £601. 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 London Gatwick Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £471 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 £576 per ticket.

Can stopping save me money on London Gatwick Airport to Ottawa flights?

You could potentially save up to 19% on your flight if you consider stops on a London Gatwick Airport to Ottawa flight.

When to book flights from London Gatwick Airport to Ottawa

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to Ottawa according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Gatwick Airport to Ottawa (LGW to YOW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to Ottawa

Direct flights

None
There are no direct flights from London Gatwick Airport to Ottawa. There are no popular flight routes from London Gatwick Airport to Ottawa.
  • How far is London Gatwick to Ottawa by plane?

    The distance between London Gatwick and Ottawa is about 3337.1 mi. 11h 46m is a normal flight duration for this route.

  • When did momondo last update prices for flights from London Gatwick Airport to Ottawa Airport?

    Prices for flights from London Gatwick Airport to Ottawa Airport refresh daily.

  • How many operators does momondo search for flights from London Gatwick Airport to Ottawa Airport?

  • How old do you have to be to fly from London Gatwick Airport 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 London Gatwick Airport to Ottawa Airport.

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

    The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from London Gatwick Airport to Ottawa?

Best airlines flying from London Gatwick Airport to Ottawa

Compare and see reviews for airlines that fly from London Gatwick Airport to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom £299Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Air TransatPriceFrom £402Free CancellationRating
7.7
439 reviews
Search Air Transat 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 London to Ottawa?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Ottawa . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Ottawa from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Ottawa?

momondo helps you find the best flight between London and Ottawa by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Ottawa from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Sat 18/10
Sat 25/10

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