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Cheap flights from Ontario to the United Kingdom from C$ 334

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 12/6. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:05 p.m. - 2:00 p.m.
YYZ
-
LTN
9h 55m
1 stop
Multiple Airlines Logo
8:15 a.m. - 3:50 p.m.
LTN
-
YYZ
12h 35m
1 stop
C$ 755Multiple Airlines
Fri, 22 May - Mon, 25 May
Multiple Airlines Logo
9:35 p.m. - 7:30 p.m.
YYZ
-
STN
16h 55m
1 stop
Multiple Airlines Logo
8:30 a.m. - 2:55 p.m.
STN
-
YYZ
11h 25m
1 stop
C$ 755Multiple Airlines
Wed, 10 Jun - Fri, 19 Jun
Air Transat Logo
10:35 p.m. - 10:45 a.m.
YYZ
-
LGW
7h 10mdirect
Air Transat Logo
12:40 p.m. - 4:00 p.m.
LGW
-
YYZ
8h 20mdirect
C$ 757Air Transat
Sun, 19 Apr - Sat, 25 Apr
Air Transat Logo
10:35 p.m. - 10:45 a.m.
YYZ
-
LGW
7h 10mdirect
Air Transat Logo
11:35 a.m. - 5:40 p.m.
LGW
-
YYZ
11h 05m
1 stop
C$ 767Air Transat
Thu, 30 Apr - Wed, 6 May
TAP AIR PORTUGAL Logo
5:45 p.m. - 12:45 p.m.
YYZ
-
LHR
14h 00m
1 stop
TAP AIR PORTUGAL Logo
7:50 p.m. - 3:15 p.m.
LHR
-
YYZ
24h 25m
1 stop
C$ 789TAP AIR PORTUGAL
Mon, 15 Jun - Sun, 21 Jun
Porter Airlines Logo
4:15 p.m. - 10:45 a.m.
YUL
-
LGW
13h 30m
1 stop
Porter Airlines Logo
11:35 a.m. - 2:15 p.m.
LGW
-
YUL
7h 40mdirect
C$ 802Porter Airlines
Wed, 6 May - Wed, 13 May
TAP AIR PORTUGAL Logo
10:45 p.m. - 3:35 p.m.
YUL
-
LHR
11h 50m
1 stop
TAP AIR PORTUGAL Logo
8:00 a.m. - 9:10 p.m.
LHR
-
YUL
18h 10m
1 stop
C$ 817TAP AIR PORTUGAL
Wed, 20 May - Thu, 11 Jun
Porter Airlines Logo
8:55 p.m. - 9:50 a.m.
YTZ
-
LGW
31h 55m
1 stop
Porter Airlines Logo
11:35 a.m. - 8:15 p.m.
LGW
-
YTZ
13h 40m
1 stop
C$ 830Porter Airlines
Mon, 18 May - Wed, 27 May
Air Canada Logo
9:45 a.m. - 6:30 a.m.
YUL
-
LHR
15h 45m
1 stop
Air Canada Logo
8:40 a.m. - 3:00 p.m.
LHR
-
YUL
11h 20m
1 stop
C$ 840Air Canada
Thu, 7 May - Wed, 13 May
Air Canada Logo
1:10 p.m. - 6:30 a.m.
YUL
-
LHR
12h 20m
1 stop
Air Canada Logo
8:40 a.m. - 3:00 p.m.
LHR
-
YUL
11h 20m
1 stop
C$ 841Air Canada
Thu, 7 May - Wed, 13 May

TAP AIR PORTUGAL flights from Region of Ontario to United Kingdom

Our best TAP AIR PORTUGAL deals on Region of Ontario to United Kingdom flight tickets
TAP AIR PORTUGAL
27 May
YYZ5:35 p.m.Toronto Pearson Intl
11h 45m
1 stop
LHR10:20 a.m.London Heathrow
3 Jun
LHR6:00 a.m.London Heathrow
13h 00m
1 stop
YYZ2:00 p.m.Toronto Pearson Intl
C$ 803
TAP AIR PORTUGAL
25 May
YYZ5:45 p.m.Toronto Pearson Intl
11h 35m
1 stop
LHR10:20 a.m.London Heathrow
3 Jun
LHR6:00 a.m.London Heathrow
13h 00m
1 stop
YYZ2:00 p.m.Toronto Pearson Intl
C$ 809
TAP AIR PORTUGAL
25 May
YYZ10:55 p.m.Toronto Pearson Intl
14h 55m
1 stop
LHR6:50 p.m.London Heathrow
3 Jun
LHR7:50 p.m.London Heathrow
23h 10m
1 stop
YYZ2:00 p.m.Toronto Pearson Intl
C$ 812

Air Canada flights from Region of Ontario to United Kingdom

Our best Air Canada deals on Region of Ontario to United Kingdom flight tickets
Air Canada
7 May
YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl
15h 45m
1 stop
LHR6:30 a.m.London Heathrow
13 May
LHR8:40 a.m.London Heathrow
11h 20m
1 stop
YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 840
Air Canada
7 May
YUL1:10 p.m.Montreal Pierre Elliott Trudeau Intl
12h 20m
1 stop
LHR6:30 a.m.London Heathrow
13 May
LHR8:40 a.m.London Heathrow
11h 20m
1 stop
YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 841
Air Canada
19 May
YTZ8:55 p.m.Toronto Island
30h 40m
1 stop
LHR8:35 a.m.London Heathrow
26 May
LHR2:05 p.m.London Heathrow
10h 47m
1 stop
YTZ7:52 p.m.Toronto Island
C$ 842

momondo Fare Finder

 
Customize 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 96,600 searches. Data last updated 6 April 2026.
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

Cheapest round-trip

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Fri 22/5

11:05 p.m.-2:00 p.m.

1 stop9h 55m

London Luton

Mon 25/5

8:15 a.m.-3:50 p.m.

1 stop12h 35m

C$ 755

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 10/6

9:35 p.m.-7:30 p.m.

1 stop16h 55m

London Stansted

Fri 19/6

8:30 a.m.-2:55 p.m.

1 stop11h 25m

C$ 755
Quickest round-trip

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 19/4

10:35 p.m.-10:45 a.m.

Nonstop7h 10m

London Gatwick

Sat 25/4

12:40 p.m.-4:00 p.m.

Nonstop8h 20m

C$ 757

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 30/4

10:35 p.m.-10:45 a.m.

Nonstop7h 10m

London Gatwick

Wed 6/5

11:35 a.m.-5:40 p.m.

1 stop11h 05m

C$ 767

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 15/6

5:45 p.m.-12:45 p.m.

1 stop14h 00m

London Heathrow

Sun 21/6

7:50 p.m.-3:15 p.m.

1 stop24h 25m

C$ 789

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 6/5

4:15 p.m.-10:45 a.m.

1 stop13h 30m

London Gatwick

Wed 13/5

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

C$ 802

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

10:45 p.m.-3:35 p.m.

1 stop11h 50m

London Heathrow

Thu 11/6

8:00 a.m.-9:10 p.m.

1 stop18h 10m

C$ 817

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Mon 18/5

8:55 p.m.-9:50 a.m.

1 stop31h 55m

London Gatwick

Wed 27/5

11:35 a.m.-8:15 p.m.

1 stop13h 40m

C$ 830

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

9:45 a.m.-6:30 a.m.

1 stop15h 45m

London Heathrow

Wed 13/5

8:40 a.m.-3:00 p.m.

1 stop11h 20m

C$ 840

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

1:10 p.m.-6:30 a.m.

1 stop12h 20m

London Heathrow

Wed 13/5

8:40 a.m.-3:00 p.m.

1 stop11h 20m

C$ 841

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 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?

If you aren’t able to travel during the month of February, then book flights to United Kingdom from Region of Ontario during September instead. Flights to United Kingdom in September, while not as cheap as those in February, still average around C$ 778.

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

According to our data, Sunday is the cheapest day to fly to United Kingdom from Region of Ontario. The lowest ticket price found for a Sunday departure recently was C$ 1,211. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Region of Ontario to United Kingdom on a Monday will generally be more expensive and average around C$ 1,295. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

In the evening is the cheapest time of day to fly from Region of Ontario to United Kingdom when you can find flight prices for as low as C$ 1,188. Flying to United Kingdom in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to United Kingdom is in the afternoon when prices are around C$ 1,350.

What is the cheapest Ontario to United Kingdom flight route?

Fly from Toronto Pearson Intl to Glasgow Intl 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 C$ 964 when searching weeks out. 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 C$ 927 on momondo.

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

There are 4 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?

You could potentially save up to 1% on your flight if you consider stops on a Region of Ontario to United Kingdom flight.

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

C$ 342

Fastest flight time

6h 00m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
The best one-way flight to United Kingdom from Region of Ontario in the past 72 hours is C$ 342. The best round-trip flight deal from Region of Ontario to United Kingdom found on momondo in the last 72 hours is C$ 662.
The fastest flight from Region of Ontario to United Kingdom takes 6h 00m
Direct flights go from Region of Ontario to United Kingdom every day.
There are 1,286 airports in United Kingdom. From Region of Ontario there are direct flights to London Heathrow (LHR), Edinburgh Turnhouse (EDI), London Gatwick (LGW).
Search flight deals

Frequently asked questions about flying from Ontario to the United Kingdom

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

    Prices for flights from Ontario to United Kingdom refresh daily.

  • 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?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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
WestJetPriceFrom C$ 221Free CancellationRating
7.2
3,315 reviews
Search WestJet flights
WestJet EncorePriceFrom C$ 556Free CancellationRating
0.0
Search WestJet Encore flights
Air TransatPriceFrom C$ 582Free CancellationRating
7.7
534 reviews
Search Air Transat flights
Air CanadaPriceFrom C$ 596Free CancellationRating
7.1
10,895 reviews
Search Air Canada flights
TAP AIR PORTUGALPriceFrom C$ 605Free CancellationRating
7.1
2,189 reviews
Search TAP AIR PORTUGAL flights
Porter AirlinesPriceFrom C$ 607Free CancellationRating
8.0
431 reviews
Search Porter Airlines flights
IcelandairPriceFrom C$ 652Free CancellationRating
7.0
631 reviews
Search Icelandair flights
LufthansaPriceFrom C$ 692Free CancellationRating
6.8
7,893 reviews
Search Lufthansa flights
American AirlinesPriceFrom C$ 697Free CancellationRating
7.1
11,550 reviews
Search American Airlines flights
British AirwaysPriceFrom C$ 724Free CancellationRating
6.7
7,856 reviews
Search British Airways flights

Why use momondo?

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

Finding the right flight to United Kingdom from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United Kingdom quick and easy, saving you time and money.

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

All flight searches from Ontario to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to United Kingdom.

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

If you are simply researching potential flights to United Kingdom, momondo offers a useful price alert feature which will track prices for flights to United Kingdom from Ontario and alert you when they change.

An easier way to manage your United Kingdom 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 the United Kingdom

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom C$ 593
Flights to Edinburghfrom C$ 622
Flights to Manchesterfrom C$ 732
Flights to Glasgowfrom C$ 654
Flights to Birminghamfrom C$ 633
Flights to Newcastle upon Tynefrom C$ 710
Flights to Belfastfrom C$ 912
Flights to Aberdeenfrom C$ 1,058
Flights to Bristolfrom C$ 649
Flights to Leedsfrom C$ 667
Flights to Liverpoolfrom C$ 798
Flights to Cardifffrom C$ 642