What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Ottawa to London flights?

According to our data, Air Transat has had the least delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

What is the most punctual flight time for Ottawa to London flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

How often are flights from Ottawa to London delayed?

Historically, on average around 11% of flights between Ottawa and London have experienced a delay on any given week. The average delay length over the past 12 months has been 96 minutes.

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

Prices for flights from Ottawa Airport to London Gatwick Airport were last updated today.

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

As of October 2026, there is 1 operator available to choose from for flights from Ottawa Airport to London Gatwick Airport.

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

What documentation or ID do you need to fly to London Gatwick Airport?

The travel and health documents you'll need for your trip to London Gatwick Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 554 Cheap Flights from Ottawa to London Gatwick Airport in 2026/27

Find the cheapest flights from Ottawa to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:45 p.m. - 10:45 a.m.YOW Ottawa-LGW London Gatwick

16h 00m1 stop Toronto Pearson Intl

12:40 p.m. - 10:02 p.m.LGW London Gatwick-YOW Ottawa

14h 22m1 stop Toronto Pearson Intl

C$ 891Air Transat

Tue, 6 Apr - Tue, 27 Apr

10:20 a.m. - 9:45 a.m.YOW Ottawa-LGW London Gatwick

18h 25m1 stop Toronto Pearson Intl

11:40 a.m. - 12:49 a.m.LGW London Gatwick-YOW Ottawa

18h 09m1 stop Toronto Pearson Intl

C$ 892Air Transat

Sat, 13 Feb - Mon, 22 Feb

1:45 p.m. - 9:45 a.m.YOW Ottawa-LGW London Gatwick

15h 00m1 stop Toronto Pearson Intl

11:40 a.m. - 5:55 p.m.LGW London Gatwick-YOW Ottawa

11h 15m1 stop Toronto Pearson Intl

C$ 895Porter Airlines

Tue, 16 Feb - Wed, 3 Mar

1:45 p.m. - 10:45 a.m.YOW Ottawa-LGW London Gatwick

16h 00m1 stop Toronto Pearson Intl

12:40 p.m. - 10:02 p.m.LGW London Gatwick-YOW Ottawa

14h 22m1 stop Toronto Pearson Intl

C$ 895Air Transat

Mon, 5 Apr - Wed, 28 Apr

5:40 p.m. - 10:45 a.m.YOW Ottawa-LGW London Gatwick

12h 05m1 stop Toronto Pearson Intl

12:40 p.m. - 12:37 a.m.LGW London Gatwick-YOW Ottawa

16h 57m1 stop Toronto Pearson Intl

C$ 895Air Transat

Mon, 5 Apr - Tue, 27 Apr

1:45 p.m. - 10:45 a.m.YOW Ottawa-LGW London Gatwick

16h 00m1 stop Toronto Pearson Intl

12:40 p.m. - 10:02 p.m.LGW London Gatwick-YOW Ottawa

14h 22m1 stop Toronto Pearson Intl

C$ 895Air Transat

Mon, 5 Apr - Mon, 26 Apr

5:40 p.m. - 10:45 a.m.YOW Ottawa-LGW London Gatwick

12h 05m1 stop Toronto Pearson Intl

12:40 p.m. - 10:02 p.m.LGW London Gatwick-YOW Ottawa

14h 22m1 stop Toronto Pearson Intl

C$ 895Air Transat

Tue, 6 Apr - Wed, 28 Apr

1:45 p.m. - 10:45 a.m.YOW Ottawa-LGW London Gatwick

16h 00m1 stop Toronto Pearson Intl

12:40 p.m. - 12:37 a.m.LGW London Gatwick-YOW Ottawa

16h 57m1 stop Toronto Pearson Intl

C$ 895Air Transat

Tue, 6 Apr - Mon, 26 Apr

1:45 p.m. - 10:45 a.m.YOW Ottawa-LGW London Gatwick

16h 00m1 stop Toronto Pearson Intl

12:40 p.m. - 12:37 a.m.LGW London Gatwick-YOW Ottawa

16h 57m1 stop Toronto Pearson Intl

C$ 902Air Transat

Mon, 5 Apr - Sun, 18 Apr

1:45 p.m. - 9:45 a.m.YOW Ottawa-LGW London Gatwick

15h 00m1 stop Toronto Pearson Intl

11:40 a.m. - 5:55 p.m.LGW London Gatwick-YOW Ottawa

11h 15m1 stop Toronto Pearson Intl

C$ 920Porter Airlines

Tue, 16 Feb - Mon, 1 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

9:00 a.m. - 9:10 p.m.YOW Ottawa-LGW London Gatwick

31h 10m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

7:05 p.m. - 2:07 p.m.LGW London Gatwick-YOW Ottawa

24h 02m3 stops Barcelona-El Prat Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

C$ 906Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

9:00 a.m. - 9:05 p.m.YOW Ottawa-LGW London Gatwick

31h 05m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

9:00 p.m. - 7:45 p.m.LGW London Gatwick-YOW Ottawa

27h 45m3 stops Barcelona-El Prat Zurich Toronto Pearson Intl

C$ 917Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

9:00 a.m. - 1:10 p.m.YOW Ottawa-LGW London Gatwick

23h 10m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

9:00 p.m. - 2:07 p.m.LGW London Gatwick-YOW Ottawa

22h 07m3 stops Barcelona-El Prat Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

C$ 961Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

9:00 a.m. - 1:10 p.m.YOW Ottawa-LGW London Gatwick

23h 10m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

9:00 p.m. - 2:07 p.m.LGW London Gatwick-YOW Ottawa

22h 07m3 stops Barcelona-El Prat Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

C$ 964Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

5:10 p.m. - 4:40 p.m.YOW Ottawa-LGW London Gatwick

18h 30m1 stop Paris Charles de Gaulle

7:15 a.m. - 11:40 p.m.LGW London Gatwick-YOW Ottawa

21h 25m2 stops Paris Charles de Gaulle Toronto Pearson Intl

C$ 1,080Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

5:10 p.m. - 1:10 p.m.YOW Ottawa-LGW London Gatwick

15h 00m2 stops Paris Charles de Gaulle Barcelona-El Prat

9:00 p.m. - 3:00 p.m.LGW London Gatwick-YOW Ottawa

23h 00m2 stops Barcelona-El Prat Paris Charles de Gaulle

C$ 1,126Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

5:10 p.m. - 10:15 a.m.YOW Ottawa-LGW London Gatwick

12h 05m1 stop Paris Charles de Gaulle

8:55 p.m. - 3:00 p.m.LGW London Gatwick-YOW Ottawa

23h 05m2 stops Oslo Gardermoen Paris Charles de Gaulle

C$ 1,189Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

5:10 p.m. - 4:40 p.m.YOW Ottawa-LGW London Gatwick

18h 30m1 stop Paris Charles de Gaulle

8:55 p.m. - 3:00 p.m.LGW London Gatwick-YOW Ottawa

23h 05m2 stops Oslo Gardermoen Paris Charles de Gaulle

C$ 1,192Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

5:45 p.m. - 9:45 a.m.YOW Ottawa-LGW London Gatwick

11h 00m1 stop Toronto Pearson Intl

11:40 a.m. - 5:52 p.m.LGW London Gatwick-YOW Ottawa

11h 12m1 stop Toronto Pearson Intl

C$ 1,407Air Transat

Tue, 3 Nov - Wed, 11 Nov

5:45 p.m. - 9:45 a.m.YOW Ottawa-LGW London Gatwick

11h 00m1 stop Toronto Pearson Intl

11:40 a.m. - 10:02 p.m.LGW London Gatwick-YOW Ottawa

15h 22m1 stop Toronto Pearson Intl

C$ 1,407Air Transat

Tue, 3 Nov - Tue, 10 Nov

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Air Transat flights from Ottawa to London Gatwick Airport

Our best Air Transat deals on Ottawa to London Gatwick Airport flight tickets

Air Transat

6 Apr

YOW1:45 p.m.Ottawa

16h 00m

1 stop

LGW10:45 a.m.London Gatwick

27 Apr

LGW12:40 p.m.London Gatwick

14h 22m

1 stop

YOW10:02 p.m.Ottawa

C$ 891

Air Transat

13 Feb

YOW10:20 a.m.Ottawa

18h 25m

1 stop

LGW9:45 a.m.London Gatwick

22 Feb

LGW11:40 a.m.London Gatwick

18h 09m

1 stop

YOW12:49 a.m.Ottawa

C$ 892

Air Transat

5 Apr

YOW1:45 p.m.Ottawa

16h 00m

1 stop

LGW10:45 a.m.London Gatwick

28 Apr

LGW12:40 p.m.London Gatwick

14h 22m

1 stop

YOW10:02 p.m.Ottawa

C$ 895

Air France flights from Ottawa to London Gatwick Airport

Our best Air France deals on Ottawa to London Gatwick Airport flight tickets

Air France

5 Nov

YOW5:10 p.m.Ottawa

10h 50m

1 stop

LGW9:00 a.m.London Gatwick

13 Nov

LGW10:00 a.m.London Gatwick

10h 00m

1 stop

YOW3:00 p.m.Ottawa

C$ 1,217

Air France

11 Nov

YOW5:10 p.m.Ottawa

10h 50m

1 stop

LGW9:00 a.m.London Gatwick

27 Nov

LGW10:00 a.m.London Gatwick

10h 00m

1 stop

YOW3:00 p.m.Ottawa

C$ 1,220

Air France

5 Nov

YOW5:10 p.m.Ottawa

10h 50m

1 stop

LGW9:00 a.m.London Gatwick

12 Nov

LGW10:00 a.m.London Gatwick

18h 40m

2 stops

YOW11:40 p.m.Ottawa

C$ 1,271

momondo Fare Finder

Use the filters below to find and compare flights from Ottawa to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Tue 6/4

1:45 p.m.-10:45 a.m.

1 stop16h 00m

London Gatwick

Tue 27/4

12:40 p.m.-10:02 p.m.

1 stop14h 22m

C$ 891

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sat 13/2

10:20 a.m.-9:45 a.m.

1 stop18h 25m

London Gatwick

Mon 22/2

11:40 a.m.-12:49 a.m.

1 stop18h 09m

C$ 892

Quickest round-trip

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Tue 16/2

1:45 p.m.-9:45 a.m.

1 stop15h 00m

London Gatwick

Wed 3/3

11:40 a.m.-5:55 p.m.

1 stop11h 15m

C$ 895

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 5/4

1:45 p.m.-10:45 a.m.

1 stop16h 00m

London Gatwick

Wed 28/4

12:40 p.m.-10:02 p.m.

1 stop14h 22m

C$ 895

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 5/4

5:40 p.m.-10:45 a.m.

1 stop12h 05m

London Gatwick

Tue 27/4

12:40 p.m.-12:37 a.m.

1 stop16h 57m

C$ 895

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 5/4

1:45 p.m.-10:45 a.m.

1 stop16h 00m

London Gatwick

Mon 26/4

12:40 p.m.-10:02 p.m.

1 stop14h 22m

C$ 895

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Tue 6/4

5:40 p.m.-10:45 a.m.

1 stop12h 05m

London Gatwick

Wed 28/4

12:40 p.m.-10:02 p.m.

1 stop14h 22m

C$ 895

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Tue 6/4

1:45 p.m.-10:45 a.m.

1 stop16h 00m

London Gatwick

Mon 26/4

12:40 p.m.-12:37 a.m.

1 stop16h 57m

C$ 895

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 5/4

1:45 p.m.-10:45 a.m.

1 stop16h 00m

London Gatwick

Sun 18/4

12:40 p.m.-12:37 a.m.

1 stop16h 57m

C$ 902

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Tue 16/2

1:45 p.m.-9:45 a.m.

1 stop15h 00m

London Gatwick

Mon 1/3

11:40 a.m.-5:55 p.m.

1 stop11h 15m

C$ 920

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ottawa to London Gatwick Airport

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

Prices

Delays

What is the cheapest day to depart on your flight to London Gatwick Airport?

The cheapest day to depart on your flight to London Gatwick Airport is on a Sunday when prices can be found for as low as C$ 794. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Ottawa because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 987.

What is the cheapest Ottawa to London Gatwick flight route?

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

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

There are 2 cabin classes available to choose from on Ottawa to London Gatwick Airport 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 Ottawa to London Gatwick Airport flights?

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

When to book flights from Ottawa to London Gatwick Airport

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

Estimated round-trip price

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

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

Best price found	C$ 554
Fastest flight time	10h 35m
Direct flights	None

The best one-way flight to London Gatwick Airport from Ottawa in the past 72 hours is C$ 554. The best round-trip flight deal from Ottawa to London Gatwick Airport found on momondo in the last 72 hours is C$ 891.

The fastest flight from Ottawa to London Gatwick Airport takes 10h 35m

There are no direct flights from Ottawa to London Gatwick Airport. There are no popular flight routes from Ottawa to London Gatwick Airport.

Search flight deals

Frequently asked questions about flying from Ottawa to London Gatwick Airport

How far is Ottawa to London Gatwick by plane?
The straight-line distance from Ottawa to London Gatwick is 5370.5 km. Flights usually cover this in 10h 35m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ottawa Airport to London Gatwick Airport?
Prices for flights from Ottawa Airport to London Gatwick Airport were last updated today.
How many operators does momondo search for flights from Ottawa Airport to London Gatwick Airport?
As of October 2026, there is 1 operator available to choose from for flights from Ottawa Airport to London Gatwick Airport.
How old do you have to be to fly from Ottawa Airport to London Gatwick 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 Ottawa Airport to London Gatwick Airport.
What documentation or ID do you need to fly to London Gatwick Airport?
The travel and health documents you'll need for your trip to London Gatwick Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Ottawa to London Gatwick Airport?
Based on momondo bookings for flights between Ottawa and London Gatwick Airport, the leading plane model is Airbus A321neo, making up 80.00% of the total bookings. Other popular models include Airbus A330-300 with 9.63%, Airbus A321-100/200 with 2.22%, and De Havilland (Bombardier) DHC-8-400 Dash 8Q with 2.22%.
What is the most popular airline from Ottawa to London Gatwick Airport?
momondo data reveals that the most frequently booked airline on the route from Ottawa to London Gatwick Airport is Air Transat, representing 100% of all bookings.

Best airlines flying from Ottawa to London Gatwick Airport

Compare and see reviews for airlines that fly from Ottawa to London Gatwick Airport with momondo

Airline	Rating	Free Cancellation	Price
Air Transat	PriceFrom C$ 684	Free Cancellation	Rating 7.7 584 reviews		Search Air Transat flights

Hounslow

Milton Keynes

Gatwick

Wembley

Crawley

Staines-upon-Thames

Slough

Banbury

Ramsgate

Wokingham

Cobham

Watford

Feltham

Waterlooville

Dartford

Eastbourne

Ipswich

Ilford

Basingstoke

Croydon

Why use momondo?

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

It is quick and easy to find Ottawa to London 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 London that suits you.

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

momondo does allow users to show only those flights to London from Ottawa which offer a flexible booking policy as well as other useful filters and features.

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

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 London from Ottawa.

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

Yes. momondo can track prices for Ottawa to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London Gatwick Airport trip

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Cheap flights from Ottawa to London from C$ 554

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to London departing on 7/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ottawa to London

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Big names, great deals

Big names, great deals

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Air Transat flights from Ottawa to London Gatwick Airport

Our best Air Transat deals on Ottawa to London Gatwick Airport flight tickets

Air France flights from Ottawa to London Gatwick Airport

Our best Air France deals on Ottawa to London Gatwick Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Ottawa to London Gatwick Airport that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Ottawa to London Gatwick Airport

What is the cheapest day to depart on your flight to London Gatwick Airport?

What is the cheapest Ottawa to London Gatwick flight route?

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

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

How often are flights from Ottawa to London delayed?

What is the most punctual flight time for Ottawa to London flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Ottawa to London flights?

When to book flights from Ottawa to London Gatwick Airport

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

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ottawa to London Gatwick Airport

Best airlines flying from Ottawa to London Gatwick Airport

Compare and see reviews for airlines that fly from Ottawa to London Gatwick Airport with momondo

Travelling to a place near London?

Why use momondo?

An easier way to manage your London Gatwick Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Ottawa flight routes

According to popular flight searches on momondo this year

London Gatwick Airport flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to London

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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