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

Tuesday 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.

What is the cheapest airline that flies from Ottawa to London Gatwick?

Air Transat and Porter Airlines are the most popular carriers operating from Ottawa to London Gatwick

How often are flights from Ottawa to London delayed?

Historically, on average around 9% 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 112 minutes.

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 9% 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.

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 September 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$ 350 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

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:40 p.m. - 7:55 a.m.YOW Ottawa-LGW London Gatwick

7h 15mdirect

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

C$ 708Air Transat

Sun, 27 Sep - Fri, 2 Oct

7:40 p.m. - 7:55 a.m.YOW Ottawa-LGW London Gatwick

7h 15mdirect

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

C$ 713Air Transat

Fri, 9 Oct - Fri, 16 Oct

2:15 p.m. - 9:50 a.m.YOW Ottawa-LGW London Gatwick

14h 35m1 stop Montreal Pierre Elliott Trudeau Intl

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

C$ 714Air Transat

Sun, 27 Sep - Fri, 2 Oct

4:00 p.m. - 10:45 a.m.YOW Ottawa-LGW London Gatwick

13h 45m1 stop Toronto Pearson Intl

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

C$ 721Air Transat

Sun, 4 Oct - Sun, 11 Oct

7:00 a.m. - 10:45 a.m.YOW Ottawa-LGW London Gatwick

22h 45m1 stop Toronto Pearson Intl

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

C$ 722Air Transat

Sat, 26 Sep - Fri, 16 Oct

7:00 a.m. - 10:45 a.m.YOW Ottawa-LGW London Gatwick

22h 45m1 stop Toronto Pearson Intl

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

C$ 724Air Transat

Wed, 7 Oct - Fri, 16 Oct

4:00 p.m. - 7:55 a.m.YOW Ottawa-LGW London Gatwick

10h 55m1 stop Toronto Pearson Intl

11:35 a.m. - 5:35 p.m.LGW London Gatwick-YOW Ottawa

11h 00m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 725Air Transat

Thu, 1 Oct - Sun, 4 Oct

4:00 p.m. - 7:55 a.m.YOW Ottawa-LGW London Gatwick

10h 55m1 stop Toronto Pearson Intl

11:35 a.m. - 5:35 p.m.LGW London Gatwick-YOW Ottawa

11h 00m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 727Air Transat

Thu, 1 Oct - Sun, 4 Oct

7:00 a.m. - 10:45 a.m.YOW Ottawa-LGW London Gatwick

22h 45m1 stop Toronto Pearson Intl

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

C$ 763Porter Airlines

Mon, 28 Sep - Fri, 16 Oct

7:40 p.m. - 7:55 a.m.YOW Ottawa-LGW London Gatwick

7h 15mdirect

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

C$ 807Porter Airlines

Sun, 27 Sep - Sun, 4 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

7:40 p.m. - 7:55 a.m.YOW Ottawa-LGW London Gatwick

7h 15mdirect

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

C$ 713Air Transat

Sun, 20 Sep - Sun, 27 Sep

4:00 p.m. - 10:45 a.m.YOW Ottawa-LGW London Gatwick

13h 45m1 stop Toronto Pearson Intl

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

C$ 739Air Transat

Mon, 21 Sep - Fri, 2 Oct

7:40 p.m. - 7:55 a.m.YOW Ottawa-LGW London Gatwick

7h 15mdirect

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

C$ 760Air Transat

Sun, 20 Sep - Fri, 16 Oct

7:40 p.m. - 7:55 a.m.YOW Ottawa-LGW London Gatwick

7h 15mdirect

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

C$ 789Air Transat

Sun, 20 Sep - Sun, 27 Sep

4:00 p.m. - 10:45 a.m.YOW Ottawa-LGW London Gatwick

13h 45m1 stop Toronto Pearson Intl

9:40 a.m. - 8:00 p.m.LGW London Gatwick-YOW Ottawa

15h 20m1 stop Toronto Pearson Intl

C$ 790Air Transat

Mon, 21 Sep - Sat, 3 Oct

4:00 p.m. - 10:45 a.m.YOW Ottawa-LGW London Gatwick

13h 45m1 stop Toronto Pearson Intl

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

C$ 790Air Transat

Sun, 20 Sep - Sun, 27 Sep

4:00 p.m. - 10:45 a.m.YOW Ottawa-LGW London Gatwick

13h 45m1 stop Toronto Pearson Intl

12:40 p.m. - 12:25 a.m.LGW London Gatwick-YOW Ottawa

16h 45m1 stop Toronto Pearson Intl

C$ 790Air Transat

Mon, 21 Sep - Tue, 6 Oct

7:40 p.m. - 7:55 a.m.YOW Ottawa-LGW London Gatwick

7h 15mdirect

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

C$ 847Air Transat

Fri, 18 Sep - Fri, 25 Sep

2:15 p.m. - 9:50 a.m.YOW Ottawa-LGW London Gatwick

14h 35m1 stop Montreal Pierre Elliott Trudeau Intl

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

C$ 888Porter Airlines

Sun, 20 Sep - Sun, 27 Sep

8:50 a.m. - 5:50 p.m.YOW Ottawa-LGW London Gatwick

28h 00m2 stops Halifax Intl Zurich

9:25 a.m. - 8:25 a.m.LGW London Gatwick-YOW Ottawa

28h 00m2 stops Zurich Halifax Intl

C$ 1,050Multiple Airlines

Thu, 17 Sep - Thu, 24 Sep

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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

27 Sep

YOW7:40 p.m.Ottawa

7h 15m

LGW7:55 a.m.London Gatwick

2 Oct

LGW9:40 a.m.London Gatwick

8h 00m

YOW12:40 p.m.Ottawa

C$ 708

Air Transat

9 Oct

YOW7:40 p.m.Ottawa

7h 15m

LGW7:55 a.m.London Gatwick

16 Oct

LGW9:40 a.m.London Gatwick

8h 00m

YOW12:40 p.m.Ottawa

C$ 713

Air Transat

27 Sep

YOW2:15 p.m.Ottawa

14h 35m

1 stop

LGW9:50 a.m.London Gatwick

2 Oct

LGW9:40 a.m.London Gatwick

8h 00m

YOW12:40 p.m.Ottawa

C$ 714

Porter Airlines flights from Ottawa to London Gatwick Airport

Our best Porter Airlines deals on Ottawa to London Gatwick Airport flight tickets

Porter Airlines

28 Sep

YOW7:00 a.m.Ottawa

22h 45m

1 stop

LGW10:45 a.m.London Gatwick

16 Oct

LGW9:40 a.m.London Gatwick

8h 00m

YOW12:40 p.m.Ottawa

C$ 763

Porter Airlines

27 Sep

YOW7:40 p.m.Ottawa

7h 15m

LGW7:55 a.m.London Gatwick

4 Oct

LGW9:40 a.m.London Gatwick

8h 00m

YOW12:40 p.m.Ottawa

C$ 809

Porter Airlines

27 Sep

YOW4:00 p.m.Ottawa

13h 45m

1 stop

LGW10:45 a.m.London Gatwick

21 Oct

LGW12:40 p.m.London Gatwick

31h 15m

1 stop

YOW2:55 p.m.Ottawa

C$ 810

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

Quickest round-trip

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 27/9

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

London Gatwick

Fri 2/10

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 708

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Fri 9/10

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

London Gatwick

Fri 16/10

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 713

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 27/9

2:15 p.m.-9:50 a.m.

1 stop14h 35m

London Gatwick

Fri 2/10

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 714

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 4/10

4:00 p.m.-10:45 a.m.

1 stop13h 45m

London Gatwick

Sun 11/10

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 721

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sat 26/9

7:00 a.m.-10:45 a.m.

1 stop22h 45m

London Gatwick

Fri 16/10

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 722

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Wed 7/10

7:00 a.m.-10:45 a.m.

1 stop22h 45m

London Gatwick

Fri 16/10

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 724

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Thu 1/10

4:00 p.m.-7:55 a.m.

1 stop10h 55m

London Gatwick

Sun 4/10

11:35 a.m.-5:35 p.m.

1 stop11h 00m

C$ 725

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Thu 1/10

4:00 p.m.-7:55 a.m.

1 stop10h 55m

London Gatwick

Sun 4/10

11:35 a.m.-5:35 p.m.

1 stop11h 00m

C$ 727

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 28/9

7:00 a.m.-10:45 a.m.

1 stop22h 45m

London Gatwick

Fri 16/10

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 763

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 27/9

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

London Gatwick

Sun 4/10

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 807

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

Airlines

Delays

What is the typical price of a round-trip flight between Ottawa and London Gatwick Airport?

Prices are currently typical for flights on this route.

Typical prices usually range from C$ 686 to C$ 939.
The lowest price recently found on this route was C$ 708.

What is the cheapest month to fly to London Gatwick Airport?

If you are unable to visit London Gatwick Airport during the month of April, then departing from Ottawa during the month January is also very affordable. Most momondo users find prices during this month for around C$ 0.

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$ 788. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday 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$ 956.

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$ 350
Fastest flight time	7h 15m
Direct flights	Mon and Sat

The best one-way flight to London Gatwick Airport from Ottawa in the past 72 hours is C$ 350. The best round-trip flight deal from Ottawa to London Gatwick Airport found on momondo in the last 72 hours is C$ 708.

The fastest flight from Ottawa to London Gatwick Airport takes 7h 15m

Direct flights go from Ottawa to London Gatwick Airport on Monday and Saturday. There are no airlines offering direct flights.

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 7h 15m, 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 September 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 90.67% of the total bookings. Other popular models include Airbus A330-300 with 4.10%, Airbus A321-100/200 with 1.87%, and De Havilland (Bombardier) DHC-8-400 Dash 8Q with 1.12%.
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$ 679	Free Cancellation	Rating 7.7 579 reviews		Search Air Transat flights

Hounslow

Milton Keynes

Gatwick

Wembley

Crawley

Staines-upon-Thames

Slough

Banbury

Ramsgate

Cobham

Wokingham

Watford

Feltham

Dartford

Eastbourne

Ipswich

Ilford

Waterlooville

Croydon

Hayes

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$ 350

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 14/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ottawa to London

Cheap round-trip flights

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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

Porter Airlines flights from Ottawa to London Gatwick Airport

Our best Porter Airlines 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 typical price of a round-trip flight between Ottawa and London Gatwick Airport?

What is the cheapest month to fly 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?

What is the cheapest airline that flies from Ottawa to London Gatwick?

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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