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Cheap flights from London Gatwick Airport to Ottawa from £201

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 20/5. 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 London Gatwick Airport to Ottawa

Cheap return flights

Enter your travel dates to find the best prices.
Air Transat Logo
12:40 - 00:41
LGW
-
YOW
17h 01m
1 stop
Air Transat Logo
18:35 - 10:45
YOW
-
LGW
11h 10m
1 stop
£405Air Transat
Wed, 29 Apr - Wed, 7 Oct
Air France Logo
17:00 - 15:00
LGW
-
YOW
27h 00m
1 stop
Air France Logo
17:25 - 09:25
YOW
-
LGW
11h 00m
1 stop
£408Air France
Wed, 20 May - Wed, 27 May
Air Transat Logo
12:40 - 00:25
LGW
-
YOW
16h 45m
1 stop
Air Transat Logo
18:35 - 10:45
YOW
-
LGW
11h 10m
1 stop
£411Air Transat
Fri, 19 Jun - Mon, 29 Jun
Air Transat Logo
12:40 - 00:25
LGW
-
YOW
16h 45m
1 stop
Air Transat Logo
16:00 - 07:55
YOW
-
LGW
10h 55m
1 stop
£413Air Transat
Thu, 18 Jun - Mon, 29 Jun
Air Transat Logo
12:40 - 16:51
LGW
-
YOW
33h 11m
1 stop
Air Transat Logo
19:40 - 07:55
YOW
-
LGW
7h 15mdirect
£415Air Transat
Wed, 29 Apr - Fri, 2 Oct
Air Transat Logo
12:40 - 20:00
LGW
-
YOW
12h 20m
1 stop
Air Transat Logo
19:40 - 07:55
YOW
-
LGW
7h 15mdirect
£416Air Transat
Tue, 12 May - Fri, 22 May
Air Transat Logo
12:40 - 00:25
LGW
-
YOW
16h 45m
1 stop
Air Transat Logo
19:40 - 07:55
YOW
-
LGW
7h 15mdirect
£417Air Transat
Tue, 12 May - Fri, 22 May
Air Transat Logo
12:40 - 20:00
LGW
-
YOW
12h 20m
1 stop
Air Transat Logo
07:00 - 07:55
YOW
-
LGW
19h 55m
1 stop
£418Air Transat
Wed, 10 Jun - Sat, 20 Jun
Air Transat Logo
09:40 - 20:00
LGW
-
YOW
15h 20m
1 stop
Air Transat Logo
14:15 - 09:50
YOW
-
LGW
14h 35m
1 stop
£419Air Transat
Wed, 24 Jun - Sun, 28 Jun
Air Transat Logo
12:40 - 20:00
LGW
-
YOW
12h 20m
1 stop
Air Transat Logo
08:40 - 07:55
YOW
-
LGW
18h 15m
1 stop
£422Air Transat
Wed, 10 Jun - Sat, 20 Jun

Air France flights from London Gatwick Airport to Ottawa

Our best Air France deals on London Gatwick Airport to Ottawa flight tickets
Air France
20 May
LGW17:00London Gatwick
27h 00m
1 stop
YOW15:00Ottawa
27 May
YOW17:25Ottawa
11h 00m
1 stop
LGW09:25London Gatwick
£408
Air France
29 Apr
LGW17:00London Gatwick
36h 20m
2 stops
YOW00:20Ottawa
4 May
YOW17:25Ottawa
17h 35m
1 stop
LGW16:00London Gatwick
£519
Air France
1 Jul
LGW17:00London Gatwick
27h 00m
1 stop
YOW15:00Ottawa
15 Jul
YOW17:10Ottawa
11h 15m
1 stop
LGW09:25London Gatwick
£529

Air Transat flights from London Gatwick Airport to Ottawa

Our best Air Transat deals on London Gatwick Airport to Ottawa flight tickets
Air Transat
29 Apr
LGW12:40London Gatwick
17h 01m
1 stop
YOW00:41Ottawa
7 Oct
YOW18:35Ottawa
11h 10m
1 stop
LGW10:45London Gatwick
£405
Air Transat
19 Jun
LGW12:40London Gatwick
16h 45m
1 stop
YOW00:25Ottawa
29 Jun
YOW18:35Ottawa
11h 10m
1 stop
LGW10:45London Gatwick
£411
Air Transat
18 Jun
LGW12:40London Gatwick
16h 45m
1 stop
YOW00:25Ottawa
29 Jun
YOW16:00Ottawa
10h 55m
1 stop
LGW07:55London Gatwick
£413

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 20 February 2026.
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

Wed 29/4

12:40-00:41

1 stop17h 01m

Ottawa

Wed 7/10

18:35-10:45

1 stop11h 10m

£405

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 20/5

17:00-15:00

1 stop27h 00m

Ottawa

Wed 27/5

17:25-09:25

1 stop11h 00m

£408

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 19/6

12:40-00:25

1 stop16h 45m

Ottawa

Mon 29/6

18:35-10:45

1 stop11h 10m

£411

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 18/6

12:40-00:25

1 stop16h 45m

Ottawa

Mon 29/6

16:00-07:55

1 stop10h 55m

£413

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 29/4

12:40-16:51

1 stop33h 11m

Ottawa

Fri 2/10

19:40-07:55

Nonstop7h 15m

£415

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 12/5

12:40-20:00

1 stop12h 20m

Ottawa

Fri 22/5

19:40-07:55

Nonstop7h 15m

£416

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 12/5

12:40-00:25

1 stop16h 45m

Ottawa

Fri 22/5

19:40-07:55

Nonstop7h 15m

£417

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 10/6

12:40-20:00

1 stop12h 20m

Ottawa

Sat 20/6

07:00-07:55

1 stop19h 55m

£418

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 24/6

09:40-20:00

1 stop15h 20m

Ottawa

Sun 28/6

14:15-09:50

1 stop14h 35m

£419

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 10/6

12:40-20:00

1 stop12h 20m

Ottawa

Sat 20/6

08:40-07:55

1 stop18h 15m

£422

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 Friday when prices can be found for as low as £527. 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 £591. 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 morning is the least expensive time of day to depart. momondo users have found prices as low as £561 when looking at flights departing in the morning. At midday is when there is more demand to fly to Ottawa, so prices are often more expensive at around £565 per ticket.

What is the cheapest London Gatwick to Ottawa flight route?

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

What cabin class options are available on London Gatwick to Ottawa flights?

There is only 1 cabin class available to choose from on London Gatwick 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 London Gatwick Airport to Ottawa flights?

No. A direct flight is the cheapest option for a flight between London Gatwick Airport to Ottawa.

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

Best price found

£371

Fastest flight time

8h 00m

Direct flights

Mon and Wed

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from London Gatwick Airport in the past 72 hours is £371. The best return flight deal from London Gatwick Airport to Ottawa found on momondo in the last 72 hours is £492.
The fastest flight from London Gatwick Airport to Ottawa takes 8h 00m
Direct flights go from London Gatwick Airport to Ottawa on Monday and Wednesday. There are no airlines offering direct flights..
There is 1 airport in Ottawa. From London Gatwick Airport there are direct flights to Ottawa (YOW).
Search flight deals

  • How far is London Gatwick to Ottawa by plane?

    The distance between London Gatwick and Ottawa is about 3337.1 mi. 8h 00m 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 plane model from London Gatwick Airport to Ottawa?

  • 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 £303Free CancellationRating
7.1
10,734 reviews
Search Air Canada flights
Air TransatPriceFrom £437Free CancellationRating
7.7
511 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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