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

Friday 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 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 0% 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 0 minutes.

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 many flights depart from Ottawa to London Gatwick Airport on average per week?

The number of flights available between Ottawa and London Gatwick Airport is 3 per week as of June 2026. The most frequent departure day is Tue, with 33% of weekly flights leaving on this day.

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 June 2026, there are 2 operators 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$ 161 Cheap Flights from Ottawa to London Gatwick Airport in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from C$ 1,271 to C$ 864. The lowest price recently found on this route was C$ 767.

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

LGW

7h 15mdirect

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

LGW

YOW

8h 00mdirect

C$ 767Air Transat

Fri, 2 Oct - Fri, 9 Oct

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

YOW

LGW

7h 15mdirect

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

LGW

YOW

8h 00mdirect

C$ 770Air Transat

Sun, 6 Sep - Sun, 13 Sep

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

YOW

LGW

7h 15mdirect

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

LGW

YOW

8h 00mdirect

C$ 771Air Transat

Sun, 6 Sep - Sun, 13 Sep

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

YOW

LGW

7h 15mdirect

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

LGW

YOW

8h 00mdirect

C$ 774Air Transat

Fri, 2 Oct - Fri, 16 Oct

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

YOW

LGW

22h 45m

1 stop

12:40 p.m. - 2:55 p.m.

LGW

YOW

31h 15m

1 stop

C$ 777Air Transat

Thu, 27 Aug - Thu, 17 Sep

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

YOW

LGW

7h 15mdirect

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

LGW

YOW

8h 00mdirect

C$ 778Air Transat

Sun, 28 Jun - Tue, 7 Jul

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

YOW

LGW

7h 15mdirect

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

LGW

YOW

8h 00mdirect

C$ 780Air Transat

Tue, 30 Jun - Fri, 3 Jul

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

YOW

LGW

7h 15mdirect

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

LGW

YOW

8h 00mdirect

C$ 784Air Transat

Sun, 6 Sep - Sun, 20 Sep

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

YOW

LGW

13h 45m

1 stop

11:40 a.m. - 12:43 a.m.

LGW

YOW

18h 03m

1 stop

C$ 785Porter Airlines

Sun, 11 Oct - Tue, 3 Nov

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

YOW

LGW

7h 15mdirect

12:40 p.m. - 8:00 p.m.

LGW

YOW

12h 20m

1 stop

C$ 790Air Transat

Fri, 25 Sep - Thu, 1 Oct

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Porter Airlines flights from Ottawa to London Gatwick Airport

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

Porter Airlines

11 Oct

YOW4:00 p.m.Ottawa

13h 45m

1 stop

LGW10:45 a.m.London Gatwick

3 Nov

LGW11:40 a.m.London Gatwick

18h 03m

1 stop

YOW12:43 a.m.Ottawa

C$ 785

Porter Airlines

11 Oct

YOW7:00 a.m.Ottawa

22h 45m

1 stop

LGW10:45 a.m.London Gatwick

4 Nov

LGW11:40 a.m.London Gatwick

15h 28m

1 stop

YOW10:08 p.m.Ottawa

C$ 820

Porter Airlines

29 Sep

YOW4:00 p.m.Ottawa

13h 45m

1 stop

LGW10:45 a.m.London Gatwick

6 Oct

LGW12:40 p.m.London Gatwick

12h 20m

1 stop

YOW8:00 p.m.Ottawa

C$ 826

Air Transat flights from Ottawa to London Gatwick Airport

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

Air Transat

19 Jun

YOW7:40 p.m.Ottawa

7h 15m

LGW7:55 a.m.London Gatwick

26 Jun

LGW9:40 a.m.London Gatwick

8h 00m

YOW12:40 p.m.Ottawa

C$ 763

Air Transat

21 Jun

YOW7:00 a.m.Ottawa

22h 45m

1 stop

LGW10:45 a.m.London Gatwick

28 Jun

LGW11:35 a.m.London Gatwick

11h 00m

1 stop

YOW5:35 p.m.Ottawa

C$ 764

Air Transat

21 Jun

YOW7:00 a.m.Ottawa

22h 45m

1 stop

LGW10:45 a.m.London Gatwick

28 Jun

LGW9:40 a.m.London Gatwick

8h 00m

YOW12:40 p.m.Ottawa

C$ 767

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 - LGW

YOWLGW

Ottawa

Fri 2/10

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

Nonstop7h 15m

London Gatwick

Fri 9/10

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

Nonstop8h 00m

C$ 767

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 6/9

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

Nonstop7h 15m

London Gatwick

Sun 13/9

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

Nonstop8h 00m

C$ 770

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 6/9

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

Nonstop7h 15m

London Gatwick

Sun 13/9

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

Nonstop8h 00m

C$ 771

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 2/10

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$ 774

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 27/8

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

1 stop22h 45m

London Gatwick

Thu 17/9

12:40 p.m.-2:55 p.m.

1 stop31h 15m

C$ 777

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 28/6

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

Nonstop7h 15m

London Gatwick

Tue 7/7

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

Nonstop8h 00m

C$ 778

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 30/6

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

Nonstop7h 15m

London Gatwick

Fri 3/7

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

Nonstop8h 00m

C$ 780

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 6/9

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

Nonstop7h 15m

London Gatwick

Sun 20/9

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

Nonstop8h 00m

C$ 784

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 11/10

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

1 stop13h 45m

London Gatwick

Tue 3/11

11:40 a.m.-12:43 a.m.

1 stop18h 03m

C$ 785

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 25/9

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

Nonstop7h 15m

London Gatwick

Thu 1/10

12:40 p.m.-8:00 p.m.

1 stop12h 20m

C$ 790

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

Other information

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?

If you are unable to visit London Gatwick Airport during the month of January, then departing from Ottawa during the month February is also very affordable. Most momondo users find prices during this month for around C$ 770.

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$ 926. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday 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$ 992.

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?

You could potentially save up to 18% on your flight if you consider stops on a Ottawa to London Gatwick Airport flight.

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$ 511
Fastest flight time	7h 15m
Direct flights	Mon, Wed and Sat

The best one-way flight to London Gatwick Airport from Ottawa in the past 72 hours is C$ 511. The best round-trip flight deal from Ottawa to London Gatwick Airport found on momondo in the last 72 hours is C$ 772.

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

Direct flights go from Ottawa to London Gatwick Airport on Monday, Wednesday and Saturday. The only airline offering direct flights is Air Transat.

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 June 2026, there are 2 operators 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 90.37% of the total bookings. Other popular models include Airbus A330-300 with 3.32%, Boeing 787-9 Dreamliner with 2.99%, and Boeing 787-8 Dreamliner with 1.66%.
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 74% of all bookings. The subsequent popular airline is Porter Airlines at 26%.

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 7.8 555 reviews		Search Air Transat flights
Porter Airlines	PriceFrom C$ 764	Free Cancellation	Rating 8.0 438 reviews		Search Porter Airlines flights

Air Transat Flights From Ottawa to London Gatwick Airport
Air Transat operates around 3 flights from Ottawa to London Gatwick Airport every week. The average price of these flights found in the last 72 hours has been C$ 925, but momondo users have found Air Transat deals from Ottawa to London Gatwick Airport from as low as C$ 684 round-trip. Air Transat has been scored 7.8/10 in 555 reviews.

Hounslow

Milton Keynes

Wembley

Slough

Gatwick

Ramsgate

Wokingham

Crawley

Feltham

Hayes

Richmond

Chelmsford

Waterlooville

Basingstoke

Woking

Enfield

Dover

Worthing

Luton

Ipswich

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

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.

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Cheap flights from Ottawa to London from C$ 370

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 15/9. 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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Porter Airlines flights from Ottawa to London Gatwick Airport

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

Air Transat flights from Ottawa to London Gatwick Airport

Our best Air Transat 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?

How many flights depart from Ottawa to London Gatwick Airport on average per week?

When to book flights from Ottawa to London Gatwick Airport

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

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

Air Transat Flights From Ottawa to London Gatwick Airport

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.

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Find better results for your trip to London

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According to popular flight searches on momondo this year

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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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