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Cheap flights from Ontario to the United Kingdom from £55

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 the United Kingdom departing on 26/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to the United Kingdom

Cheap return flights

British Airways Logo
22:00 - 10:15YYZ-LHR
7h 15mdirect
British Airways Logo
17:05 - 21:15LHR-YYZ
8h 10mdirect
£256British Airways
Find Deal
Sun, 5 Oct - Sun, 26 Oct
British Airways Logo
20:40 - 08:30YUL-LHR
6h 50mdirect
British Airways Logo
16:10 - 18:45LHR-YUL
7h 35mdirect
£257British Airways
Find Deal
Wed, 19 Nov - Sun, 23 Nov
Logo
15:10 - 10:45YUL-LGW
14h 35m1 stop
Logo
11:35 - 14:15LGW-YUL
7h 40mdirect
£260
Find Deal
Fri, 3 Oct - Sun, 12 Oct
Logo
23:15 - 09:50YYZ-LGW
29h 35m1 stop
Logo
11:40 - 16:00LGW-YYZ
8h 20mdirect
£265
Find Deal
Sun, 5 Oct - Sun, 26 Oct
TAP AIR PORTUGAL Logo
22:45 - 18:50YUL-LHR
15h 05m1 stop
TAP AIR PORTUGAL Logo
08:00 - 21:30LHR-YUL
18h 30m1 stop
£280TAP AIR PORTUGAL
Find Deal
Fri, 3 Oct - Sun, 12 Oct
TAP AIR PORTUGAL Logo
21:45 - 18:55YUL-LHR
16h 10m1 stop
TAP AIR PORTUGAL Logo
18:30 - 20:15LHR-YUL
30h 45m1 stop
£282TAP AIR PORTUGAL
Find Deal
Wed, 19 Nov - Sun, 23 Nov
SWISS Logo
20:00 - 08:05YUL-LHR
55h 05m2 stops
SWISS Logo
18:40 - 15:10LHR-YUL
25h 30m1 stop
£332SWISS
Find Deal
Wed, 3 Dec - Sat, 6 Dec
American Airlines Logo
10:30 - 09:30YUL-LHR
18h 00m2 stops
American Airlines Logo
18:05 - 20:15LHR-YUL
7h 10mdirect
£351American Airlines
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Tue, 7 Oct - Wed, 8 Oct
American Airlines Logo
10:30 - 09:30YUL-LHR
18h 00m2 stops
American Airlines Logo
09:15 - 22:44LHR-YUL
18h 29m1 stop
£355American Airlines
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Tue, 7 Oct - Thu, 9 Oct
SWISS Logo
16:45 - 18:40YUL-LHR
44h 55m2 stops
SWISS Logo
17:10 - 15:35LHR-YUL
27h 25m2 stops
£386SWISS
Find Deal
Mon, 1 Dec - Thu, 4 Dec

Icelandair flights from Region of Ontario to United Kingdom

Our best Icelandair deals on Region of Ontario to United Kingdom flight tickets
Icelandair
15 Oct
YYZ20:50Toronto Pearson Intl
12h 50m
1 stop
LGW14:40London Gatwick
3 Dec
LGW11:55London Gatwick
11h 20m
1 stop
YYZ18:15Toronto Pearson Intl
£385
Find similar
Icelandair
1 Oct
YYZ20:50Toronto Pearson Intl
10h 05m
1 stop
LHR11:55London Heathrow
16 Oct
LHR21:25London Heathrow
29h 30m
1 stop
YYZ21:55Toronto Pearson Intl
£387
Find similar
Icelandair
1 Oct
YYZ20:50Toronto Pearson Intl
10h 05m
1 stop
LHR11:55London Heathrow
15 Oct
LHR21:25London Heathrow
26h 45m
1 stop
YYZ19:10Toronto Pearson Intl
£388
Find similar

Lufthansa flights from Region of Ontario to United Kingdom

Our best Lufthansa deals on Region of Ontario to United Kingdom flight tickets
Lufthansa
18 Nov
YYZ18:10Toronto Pearson Intl
7h 20m
LHR06:30London Heathrow
23 Nov
LHR07:40London Heathrow
12h 15m
1 stop
YYZ14:55Toronto Pearson Intl
£397
Find similar
Lufthansa
8 Oct
YUL21:55Montreal Pierre Elliott Trudeau Intl
6h 40m
LHR09:35London Heathrow
16 Oct
LHR10:50London Heathrow
13h 00m
1 stop
YUL18:50Montreal Pierre Elliott Trudeau Intl
£398
Find similar
Lufthansa
28 Nov
YUL19:10Montreal Pierre Elliott Trudeau Intl
7h 00m
LHR07:10London Heathrow
7 Dec
LHR08:45London Heathrow
14h 35m
1 stop
YUL18:20Montreal Pierre Elliott Trudeau Intl
£400
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Region of Ontario to United Kingdom 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 279,928 searches. Data last updated 6 August 2025.
Use the filters below to find and compare flights from Ontario to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 5/10

22:00-10:15

Nonstop7h 15m

London Heathrow

Sun 26/10

17:05-21:15

Nonstop8h 10m

£256

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 19/11

20:40-08:30

Nonstop6h 50m

London Heathrow

Sun 23/11

16:10-18:45

Nonstop7h 35m

£257

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 3/10

15:10-10:45

1 stop14h 35m

London Gatwick

Sun 12/10

11:35-14:15

Nonstop7h 40m

£260

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 5/10

23:15-09:50

1 stop29h 35m

London Gatwick

Sun 26/10

11:40-16:00

Nonstop8h 20m

£265

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 3/10

22:45-18:50

1 stop15h 05m

London Heathrow

Sun 12/10

08:00-21:30

1 stop18h 30m

£280

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 19/11

21:45-18:55

1 stop16h 10m

London Heathrow

Sun 23/11

18:30-20:15

1 stop30h 45m

£282

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 3/12

20:00-08:05

2 stops55h 05m

London Heathrow

Sat 6/12

18:40-15:10

1 stop25h 30m

£332

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

10:30-09:30

2 stops18h 00m

London Heathrow

Wed 8/10

18:05-20:15

Nonstop7h 10m

£351

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

10:30-09:30

2 stops18h 00m

London Heathrow

Thu 9/10

09:15-22:44

1 stop18h 29m

£355

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

16:45-18:40

2 stops44h 55m

London Heathrow

Thu 4/12

17:10-15:35

2 stops27h 25m

£386

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Region of Ontario to United Kingdom

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 United Kingdom?

The cheapest month to fly to United Kingdom from Region of Ontario is in February. Flight prices, which tend to average around £386, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from Region of Ontario during the month May is also very affordable. Most momondo users find prices during this month for around £408.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Region of Ontario to United Kingdom is on a Wednesday. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £506. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to United Kingdom for around £546.

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

The cheapest time of day to fly to United Kingdom is at midday when flights can be purchased for as low as £461. Try not to purchase tickets in the afternoon because they tend to be around £535. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ontario to United Kingdom flight route?

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

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £496 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Region of Ontario for as low as £441 on momondo.

What cabin class options are available on Ontario to United Kingdom flights?

There are 3 cabin classes available to choose from on Ontario to United Kingdom 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 United Kingdom flights?

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

Cheap Region of Ontario to United Kingdom flight deals and tips

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

Best price found

£55

Fastest flight time

6h 35m

Direct flights

Every day

Airports in United Kingdom

5 airports
The best one-way flight to United Kingdom from Region of Ontario in the past 72 hours is £55. The best return flight deal from Region of Ontario to United Kingdom found on momondo in the last 72 hours is £256.
The fastest flight from Region of Ontario to United Kingdom takes 6h 35m
Direct flights go from Region of Ontario to United Kingdom every day.
There are 5 airports near United Kingdom: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW)
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  • When did momondo last update prices for flights from Ontario to United Kingdom?

    Prices for flights from Ontario to United Kingdom were last updated today.

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

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

    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 United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Region of Ontario to United Kingdom?

Best airlines flying from Region of Ontario to United Kingdom

Compare and see reviews for airlines that fly from Region of Ontario to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £285Free CancellationRating
7.4
657 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom £339Free CancellationRating
7.1
1,197 reviews
Search Aer Lingus flights
Air TransatPriceFrom £343Free CancellationRating
7.7
425 reviews
Search Air Transat flights
Porter AirlinesPriceFrom £356Free CancellationRating
8.0
322 reviews
Search Porter Airlines flights
IcelandairPriceFrom £370Free CancellationRating
7.0
524 reviews
Search Icelandair flights
WestJetPriceFrom £376Free CancellationRating
7.2
2,997 reviews
Search WestJet flights
Air CanadaPriceFrom £377Free CancellationRating
7.1
9,890 reviews
Search Air Canada flights
British AirwaysPriceFrom £392Free CancellationRating
6.6
7,237 reviews
Search British Airways flights
LufthansaPriceFrom £403Free CancellationRating
6.8
7,287 reviews
Search Lufthansa flights
KLMPriceFrom £409Free CancellationRating
7.8
1,381 reviews
Search KLM flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to United Kingdom . Millions of users trust and use momondo every year so you are in good hands.

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

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

How can momondo help me find flights from Ontario to United Kingdom?

momondo provides multiple filters to help you find the best flight to United Kingdom from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to United Kingdom from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your United Kingdom trip

We make it super easy to schedule, organise 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 the United Kingdom

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom £27
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Flights to Birminghamfrom £33
Flights to Edinburghfrom £27
Flights to Belfastfrom £29
Flights to Glasgowfrom £29
Flights to Bristolfrom £33
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Flights to Aberdeenfrom £51
Flights to Liverpoolfrom £30
Flights to Leedsfrom £74
Flights to Invernessfrom £35