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Cheap flights from Ontario to London from C$ 338

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 21/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
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$ 736Air Transat
Find Deal
Thu, 8 Jan - Thu, 29 Jan
Icelandair Logo
7:40 p.m. - 7:30 p.m.YYZ-LHR
18h 50m1 stop
Icelandair Logo
8:35 p.m. - 6:15 p.m.LHR-YYZ
26h 40m1 stop
C$ 739Icelandair
Find Deal
Mon, 10 Nov - Mon, 24 Nov
Multiple Airlines Logo
7:40 p.m. - 4:35 p.m.YYZ-STN
15h 55m2 stops
Multiple Airlines Logo
6:30 a.m. - 6:15 p.m.STN-YYZ
16h 45m2 stops
C$ 739Multiple Airlines
Find Deal
Fri, 13 Feb - Sat, 21 Feb
TAP AIR PORTUGAL Logo
10:45 p.m. - 3:45 p.m.YYZ-LGW
12h 00m1 stop
TAP AIR PORTUGAL Logo
9:25 p.m. - 9:15 p.m.LGW-YYZ
28h 50m2 stops
C$ 740TAP AIR PORTUGAL
Find Deal
Mon, 1 Dec - Sun, 11 Jan
Multiple Airlines Logo
7:35 p.m. - 9:50 a.m.YYZ-STN
9h 15m1 stop
Multiple Airlines Logo
8:00 p.m. - 11:15 a.m.STN-YYZ
20h 15m1 stop
C$ 740Multiple Airlines
Find Deal
Sat, 8 Nov - Sat, 15 Nov
TAP AIR PORTUGAL Logo
5:30 p.m. - 11:25 a.m.YYZ-LHR
12h 55m1 stop
TAP AIR PORTUGAL Logo
6:30 p.m. - 2:25 p.m.LHR-YYZ
24h 55m1 stop
C$ 741TAP AIR PORTUGAL
Find Deal
Sat, 29 Nov - Sat, 6 Dec
Porter Airlines Logo
10:15 a.m. - 9:45 a.m.YUL-LGW
18h 30m1 stop
Porter Airlines Logo
11:40 a.m. - 12:35 a.m.LGW-YUL
16h 55m1 stop
C$ 769Porter Airlines
Find Deal
Tue, 27 Jan - Tue, 10 Mar
Porter Airlines Logo
5:25 p.m. - 9:45 a.m.YUL-LGW
11h 20m1 stop
Porter Airlines Logo
11:40 a.m. - 10:10 p.m.LGW-YUL
15h 30m1 stop
C$ 771Porter Airlines
Find Deal
Mon, 8 Dec - Mon, 12 Jan
Aer Lingus Logo
5:25 p.m. - 8:05 a.m.YYZ-LHR
9h 40m1 stop
Aer Lingus Logo
7:50 a.m. - 3:55 p.m.LHR-YYZ
13h 05m1 stop
C$ 781Aer Lingus
Find Deal
Mon, 17 Nov - Fri, 5 Dec
Aer Lingus Logo
5:25 p.m. - 8:05 a.m.YYZ-LHR
9h 40m1 stop
Aer Lingus Logo
8:50 a.m. - 3:55 p.m.LHR-YYZ
12h 05m1 stop
C$ 800Aer Lingus
Find Deal
Wed, 31 Dec - Fri, 9 Jan

Icelandair flights from Region of Ontario to London

Our best Icelandair deals on Region of Ontario to London flight tickets
Icelandair
10 Nov
YYZ7:40 p.m.Toronto Pearson Intl
18h 50m
1 stop
LHR7:30 p.m.London Heathrow
24 Nov
LHR8:35 p.m.London Heathrow
26h 40m
1 stop
YYZ6:15 p.m.Toronto Pearson Intl
C$ 739
Find similar
Icelandair
10 Nov
YYZ7:40 p.m.Toronto Pearson Intl
10h 10m
1 stop
LHR10:50 a.m.London Heathrow
27 Nov
LHR12:15 p.m.London Heathrow
11h 00m
1 stop
YYZ6:15 p.m.Toronto Pearson Intl
C$ 740
Find similar
Icelandair
26 Nov
YYZ7:40 p.m.Toronto Pearson Intl
10h 15m
1 stop
LGW10:55 a.m.London Gatwick
1 Dec
LGW11:55 a.m.London Gatwick
11h 20m
1 stop
YYZ6:15 p.m.Toronto Pearson Intl
C$ 747
Find similar

Air Canada flights from Region of Ontario to London

Our best Air Canada deals on Region of Ontario to London flight tickets
Air Canada
19 Nov
YYZ6:10 p.m.Toronto Pearson Intl
7h 20m
LHR6:30 a.m.London Heathrow
4 Dec
LHR9:00 a.m.London Heathrow
12h 25m
1 stop
YYZ4:25 p.m.Toronto Pearson Intl
C$ 782
Find similar
Air Canada
13 Nov
YYZ6:10 p.m.Toronto Pearson Intl
7h 20m
LHR6:30 a.m.London Heathrow
20 Nov
LHR9:00 a.m.London Heathrow
12h 10m
1 stop
YYZ4:10 p.m.Toronto Pearson Intl
C$ 784
Find similar
Air Canada
10 Nov
YYZ11:00 p.m.Toronto Pearson Intl
7h 20m
LHR11:20 a.m.London Heathrow
24 Nov
LHR9:00 a.m.London Heathrow
12h 10m
1 stop
YYZ4:10 p.m.Toronto Pearson Intl
C$ 785
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to London 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 16 October 2025.
Use the filters below to find and compare flights from Ontario to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 8/1

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

Nonstop7h 10m

London Gatwick

Thu 29/1

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

Nonstop8h 20m

C$ 736

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 10/11

7:40 p.m.-7:30 p.m.

1 stop18h 50m

London Heathrow

Mon 24/11

8:35 p.m.-6:15 p.m.

1 stop26h 40m

C$ 739

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Fri 13/2

7:40 p.m.-4:35 p.m.

2 stops15h 55m

London Stansted

Sat 21/2

6:30 a.m.-6:15 p.m.

2 stops16h 45m

C$ 739

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Mon 1/12

10:45 p.m.-3:45 p.m.

1 stop12h 00m

London Gatwick

Sun 11/1

9:25 p.m.-9:15 p.m.

2 stops28h 50m

C$ 740

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sat 8/11

7:35 p.m.-9:50 a.m.

1 stop9h 15m

London Stansted

Sat 15/11

8:00 p.m.-11:15 a.m.

1 stop20h 15m

C$ 740

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sat 29/11

5:30 p.m.-11:25 a.m.

1 stop12h 55m

London Heathrow

Sat 6/12

6:30 p.m.-2:25 p.m.

1 stop24h 55m

C$ 741

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 27/1

10:15 a.m.-9:45 a.m.

1 stop18h 30m

London Gatwick

Tue 10/3

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

1 stop16h 55m

C$ 769

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

5:25 p.m.-9:45 a.m.

1 stop11h 20m

London Gatwick

Mon 12/1

11:40 a.m.-10:10 p.m.

1 stop15h 30m

C$ 771

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 17/11

5:25 p.m.-8:05 a.m.

1 stop9h 40m

London Heathrow

Fri 5/12

7:50 a.m.-3:55 p.m.

1 stop13h 05m

C$ 781

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 31/12

5:25 p.m.-8:05 a.m.

1 stop9h 40m

London Heathrow

Fri 9/1

8:50 a.m.-3:55 p.m.

1 stop12h 05m

C$ 800

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Region of Ontario to London

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?

In general, February is the cheapest month to fly from Region of Ontario to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 720. If you aren’t able to travel to London during the month of February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of C$ 761.

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

According to our data, Sunday is the cheapest day to fly to London from Region of Ontario. The lowest ticket price found for a Sunday departure recently was C$ 1,121. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to London for around C$ 1,281.

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

Our most recent data shows that the best time of day to fly to London is at noon. Flights from Region of Ontario to London during this time can be as low as C$ 886. In the afternoon is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,347 per ticket.

What is the cheapest Ontario to London flight route?

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

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

You are more likely to see cheaper flights to London from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around C$ 938 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Region of Ontario for as low as C$ 849 on momondo.

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

There are 4 cabin classes available to choose from on Ontario to London 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 flights?

No. A direct flight is the cheapest option for a flight between Region of Ontario to London.

Cheap Region of Ontario to London flight deals and tips

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

Best price found

C$ 387

Fastest flight time

6h 40m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in London

2 airports
The best one-way flight to London from Region of Ontario in the past 72 hours is C$ 387. The best round-trip flight deal from Region of Ontario to London found on momondo in the last 72 hours is C$ 732.
The fastest flight from Region of Ontario to London takes 6h 40m
Direct flights go from Region of Ontario to London on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is Lufthansa.
There are 2 airports near London: London Heathrow (LHR), London Gatwick (LGW)
Search flight deals

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

    Prices for flights from Ontario to London are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to London.

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

    The travel and health documents required for your trip to London 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. 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?

Best airlines flying from Region of Ontario to London

Compare and see reviews for airlines that fly from Region of Ontario to London with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom C$ 223Free CancellationRating
7.2
3,126 reviews
Search WestJet flights
PLAYPriceFrom C$ 459Free CancellationRating
7.0
103 reviews
Search PLAY flights
WestJet EncorePriceFrom C$ 560Free CancellationRating
0.0
Search WestJet Encore flights
Air TransatPriceFrom C$ 587Free CancellationRating
7.7
461 reviews
Search Air Transat flights
TAP AIR PORTUGALPriceFrom C$ 607Free CancellationRating
7.1
2,015 reviews
Search TAP AIR PORTUGAL flights
Porter AirlinesPriceFrom C$ 639Free CancellationRating
8.0
381 reviews
Search Porter Airlines flights
IcelandairPriceFrom C$ 653Free CancellationRating
7.0
556 reviews
Search Icelandair flights
Air CanadaPriceFrom C$ 720Free CancellationRating
7.1
10,304 reviews
Search Air Canada flights
LufthansaPriceFrom C$ 720Free CancellationRating
6.8
7,494 reviews
Search Lufthansa flights
KLMPriceFrom C$ 721Free CancellationRating
7.7
1,404 reviews
Search KLM flights

Travelling to a place near London?

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to London. momondo saves you time and could save you money on your trip.

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

Yes. All flights to London from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Ontario to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 57.3 km from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport