Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to London from C$ 339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to London 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.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to London

Cheap round-trip flights

Air Transat Logo
9:35 p.m. - 9:45 a.m.YYZ-LGW
7h 10mdirect
Air Transat Logo
11:40 a.m. - 3:00 p.m.LGW-YYZ
8h 20mdirect
C$ 723Air Transat
Find Deal
Fri, 28 Nov - Sat, 6 Dec
Air Transat Logo
9:35 p.m. - 9:45 a.m.YYZ-LGW
7h 10mdirect
Air Transat Logo
11:40 a.m. - 3:00 p.m.LGW-YYZ
8h 20mdirect
C$ 724Air Transat
Find Deal
Tue, 18 Nov - Tue, 25 Nov
Icelandair Logo
7:40 p.m. - 10:55 a.m.YYZ-LGW
10h 15m1 stop
Icelandair Logo
11:55 a.m. - 6:15 p.m.LGW-YYZ
11h 20m1 stop
C$ 728Icelandair
Find Deal
Tue, 24 Feb - Tue, 3 Mar
Icelandair Logo
11:00 p.m. - 2:35 p.m.YYZ-LGW
10h 35m1 stop
Icelandair Logo
3:40 p.m. - 9:55 p.m.LGW-YYZ
11h 15m1 stop
C$ 744Icelandair
Find Deal
Sat, 18 Oct - Wed, 22 Oct
Porter Airlines Logo
2:30 p.m. - 9:45 a.m.YUL-LGW
14h 15m1 stop
Porter Airlines Logo
11:40 a.m. - 12:35 a.m.LGW-YUL
17h 55m1 stop
C$ 751Porter Airlines
Find Deal
Tue, 13 Jan - Mon, 19 Jan
Porter Airlines Logo
2:30 p.m. - 9:45 a.m.YUL-LGW
14h 15m1 stop
Porter Airlines Logo
11:40 a.m. - 6:25 p.m.LGW-YUL
11h 45m1 stop
C$ 756Porter Airlines
Find Deal
Tue, 13 Jan - Tue, 20 Jan
TAP AIR PORTUGAL Logo
5:35 p.m. - 11:20 a.m.YYZ-LGW
36h 45m2 stops
TAP AIR PORTUGAL Logo
4:40 p.m. - 2:40 p.m.LGW-YYZ
27h 00m1 stop
C$ 769TAP AIR PORTUGAL
Find Deal
Sun, 19 Oct - Fri, 12 Dec
TAP AIR PORTUGAL Logo
9:45 p.m. - 3:45 p.m.YUL-LGW
13h 00m1 stop
TAP AIR PORTUGAL Logo
10:10 a.m. - 8:15 p.m.LGW-YUL
39h 05m2 stops
C$ 780TAP AIR PORTUGAL
Find Deal
Mon, 1 Dec - Thu, 11 Dec
Multiple Airlines Logo
10:10 p.m. - 3:10 p.m.YYZ-LGW
12h 00m1 stop
Multiple Airlines Logo
10:45 a.m. - 5:10 p.m.LGW-YYZ
11h 25m1 stop
C$ 789Multiple Airlines
Find Deal
Tue, 7 Oct - Fri, 24 Oct
Multiple Airlines Logo
8:15 p.m. - 7:10 p.m.YUL-LGW
17h 55m1 stop
Multiple Airlines Logo
10:40 a.m. - 12:15 p.m.LGW-YUL
30h 35m1 stop
C$ 791Multiple Airlines
Find Deal
Mon, 24 Nov - Sun, 30 Nov

Icelandair flights from Region of Ontario to London Gatwick Airport

Our best Icelandair deals on Region of Ontario to London Gatwick Airport flight tickets
Icelandair
24 Feb
YYZ7:40 p.m.Toronto Pearson Intl
10h 15m
1 stop
LGW10:55 a.m.London Gatwick
3 Mar
LGW11:55 a.m.London Gatwick
11h 20m
1 stop
YYZ6:15 p.m.Toronto Pearson Intl
C$ 728
Find similar
Icelandair
18 Oct
YYZ11:00 p.m.Toronto Pearson Intl
10h 35m
1 stop
LGW2:35 p.m.London Gatwick
22 Oct
LGW3:40 p.m.London Gatwick
11h 15m
1 stop
YYZ9:55 p.m.Toronto Pearson Intl
C$ 744
Find similar
Icelandair
10 Jan
YYZ7:40 p.m.Toronto Pearson Intl
10h 15m
1 stop
LGW10:55 a.m.London Gatwick
25 Jan
LGW11:55 a.m.London Gatwick
11h 20m
1 stop
YYZ6:15 p.m.Toronto Pearson Intl
C$ 746
Find similar

TAP AIR PORTUGAL flights from Region of Ontario to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on Region of Ontario to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
19 Oct
YYZ5:35 p.m.Toronto Pearson Intl
36h 45m
2 stops
LGW11:20 a.m.London Gatwick
12 Dec
LGW4:40 p.m.London Gatwick
27h 00m
1 stop
YYZ2:40 p.m.Toronto Pearson Intl
C$ 769
Find similar
TAP AIR PORTUGAL
1 Dec
YUL9:45 p.m.Montreal Pierre Elliott Trudeau Intl
13h 00m
1 stop
LGW3:45 p.m.London Gatwick
11 Dec
LGW10:10 a.m.London Gatwick
39h 05m
2 stops
YUL8:15 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 780
Find similar
TAP AIR PORTUGAL
2 Dec
YYZ5:35 p.m.Toronto Pearson Intl
34h 50m
2 stops
LGW9:25 a.m.London Gatwick
10 Dec
LGW10:40 a.m.London Gatwick
15h 35m
1 stop
YYZ9:15 p.m.Toronto Pearson Intl
C$ 787
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to London Gatwick Airport 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 96,600 searches. Data last updated 25 September 2025.
Use the filters below to find and compare flights from Ontario to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Fri 28/11

9:35 p.m.-9:45 a.m.

Nonstop7h 10m

London Gatwick

Sat 6/12

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

C$ 723

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 18/11

9:35 p.m.-9:45 a.m.

Nonstop7h 10m

London Gatwick

Tue 25/11

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

C$ 724

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 24/2

7:40 p.m.-10:55 a.m.

1 stop10h 15m

London Gatwick

Tue 3/3

11:55 a.m.-6:15 p.m.

1 stop11h 20m

C$ 728

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 18/10

11:00 p.m.-2:35 p.m.

1 stop10h 35m

London Gatwick

Wed 22/10

3:40 p.m.-9:55 p.m.

1 stop11h 15m

C$ 744

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

2:30 p.m.-9:45 a.m.

1 stop14h 15m

London Gatwick

Mon 19/1

11:40 a.m.-12:35 a.m.

1 stop17h 55m

C$ 751

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

2:30 p.m.-9:45 a.m.

1 stop14h 15m

London Gatwick

Tue 20/1

11:40 a.m.-6:25 p.m.

1 stop11h 45m

C$ 756

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 19/10

5:35 p.m.-11:20 a.m.

2 stops36h 45m

London Gatwick

Fri 12/12

4:40 p.m.-2:40 p.m.

1 stop27h 00m

C$ 769

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

9:45 p.m.-3:45 p.m.

1 stop13h 00m

London Gatwick

Thu 11/12

10:10 a.m.-8:15 p.m.

2 stops39h 05m

C$ 780

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 7/10

10:10 p.m.-3:10 p.m.

1 stop12h 00m

London Gatwick

Fri 24/10

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

1 stop11h 25m

C$ 789

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

8:15 p.m.-7:10 p.m.

1 stop17h 55m

London Gatwick

Sun 30/11

10:40 a.m.-12:15 p.m.

1 stop30h 35m

C$ 791

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to London from

How to get the cheapest flight ticket from Region of Ontario 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

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

If you are unable to visit London Gatwick Airport during the month of February, then departing from Region of Ontario during the month January is also very affordable. Most momondo users find prices during this month for around C$ 726.

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$ 775. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Region of Ontario because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 874.

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

Our most recent data shows that the best time of day to fly to London Gatwick Airport is in the evening. Flights from Region of Ontario to London Gatwick Airport during this time can be as low as C$ 840. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 906 on average. Flights to London Gatwick Airport from Region of Ontario at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Ontario to London Gatwick flight route?

Fly from Toronto Pearson Intl to London Gatwick for the best Ontario - London Gatwick flight prices

How far in advance should I book a flight to London Gatwick Airport?

You are more likely to see cheaper flights to London Gatwick Airport from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to London Gatwick Airport for around C$ 849 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Gatwick Airport from Region of Ontario for as low as C$ 737 on momondo.

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

There are 3 cabin classes available to choose from on Ontario to London Gatwick 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 Region of Ontario to London Gatwick Airport flights?

You could potentially save up to 3% on your flight if you consider stops on a Region of Ontario to London Gatwick Airport flight.

Cheap Region of Ontario to London Gatwick Airport flight deals and tips

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

Best price found

C$ 403

Fastest flight time

6h 45m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sun
The best one-way flight to London Gatwick Airport from Region of Ontario in the past 72 hours is C$ 403. The best round-trip flight deal from Region of Ontario to London Gatwick Airport found on momondo in the last 72 hours is C$ 733.
The fastest flight from Region of Ontario to London Gatwick Airport takes 6h 45m
Direct flights go from Region of Ontario to London Gatwick Airport on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. The only airline offering direct flights is Air Transat.
Search flight deals

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

    Prices for flights from Ontario to London Gatwick Airport are updated daily.

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

  • How old do you have to be to fly from Ontario to London Gatwick Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to London Gatwick Airport.

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

    The travel and health documents required for your trip to London Gatwick 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 London Gatwick 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 Region of Ontario to London Gatwick Airport?

Best airlines flying from Region of Ontario to London Gatwick Airport

Compare and see reviews for airlines that fly from Region of Ontario to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
Air TransatPriceFrom C$ 580Free CancellationRating
7.7
444 reviews
Search Air Transat flights
TAP AIR PORTUGALPriceFrom C$ 640Free CancellationRating
7.1
1,990 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom C$ 647Free CancellationRating
7.0
545 reviews
Search Icelandair flights
Porter AirlinesPriceFrom C$ 653Free CancellationRating
7.9
369 reviews
Search Porter Airlines flights
LufthansaPriceFrom C$ 712Free CancellationRating
6.8
7,424 reviews
Search Lufthansa flights
Air CanadaPriceFrom C$ 715Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
WestJetPriceFrom C$ 717Free CancellationRating
7.2
3,107 reviews
Search WestJet flights
British AirwaysPriceFrom C$ 723Free CancellationRating
6.7
7,399 reviews
Search British Airways flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Ipswich
Dartford
Gatwick
Ilford
Wembley
Maidstone
Chelmsford
Wokingham
Slough
Canterbury
Feltham
Hayes
Uxbridge
Waterlooville
Newport
Basingstoke
Milton Keynes
Dover
Worthing

Why use momondo?

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

It is quick and easy to find Ontario 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 Ontario to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to London flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Ontario and London 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 Ontario to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 25/10
Sat 1/11
By creating a price alert you accept our terms of use and privacy policy.

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
Flights to London Heathrow Airportfrom C$ 667
Flights to London City Airportfrom C$ 844
Flights to London Luton Airportfrom C$ 644
Flights to London Stansted Airportfrom C$ 727
Flights to London Southend Airportfrom C$ 821
Flights to Glasgow Intl Airportfrom C$ 757
Flights to Belfast Intl Airportfrom C$ 848
Flights to Belfast City Airportfrom C$ 973