Which airlines fly to United Kingdom?

Air Canada, Air Transat and Virgin Atlantic are the top three most popular airlines that fly to United Kingdom from Region of Ontario according to our data. Air Canada is the first choice among our users, with 64% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 12 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

How many flights depart from Region of Ontario to United Kingdom on average per week?

As of August 2026, there are 428 flights per week flying from Region of Ontario to United Kingdom. The most common day of the week flights depart is Tue, with 16% of flights taking off on this day.

How long is the flight from Region of Ontario to United Kingdom?

The flight from Region of Ontario to United Kingdom depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Ottawa (a popular airport in Region of Ontario) to London Heathrow Airport (the most popular airport in United Kingdom), then the flight time is 6h 35m on average. If you fly from Toronto (another popular airport in Region of Ontario) to London Heathrow Airport, then the average flight time is 8h.

What is the cheapest airline that flies from Ontario to United Kingdom?

Air Transat, Porter Airlines, and TAP AIR PORTUGAL are the most popular carriers operating from Ontario to United Kingdom

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?

There are 10 operators available for flights from Ontario to United Kingdom as of August 2026.

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.

£203 Cheap Flights from Ontario to the United Kingdom in 2026

Q: How many flights depart from Region of Ontario to United Kingdom on average per day?

The number of flights available between Region of Ontario and United Kingdom is 61 per day as of August 2026. The most frequent departure time is 18:00, with 100% of daily flights leaving in the evening.

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Find the cheapest flights from Ontario to the United Kingdom

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

17:00 - 10:45YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

12h 45m1 stop Toronto Pearson Intl

11:35 - 14:15LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

7h 40mdirect

£397Air Transat

Wed, 30 Sep - Wed, 7 Oct

20:30 - 13:45YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

12h 15m1 stop Valencia

17:20 - 13:25LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

25h 05m1 stop Valencia

£397Multiple Airlines

Fri, 6 Nov - Fri, 13 Nov

18:30 - 16:35YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

17h 05m1 stop Barcelona-El Prat

19:35 - 12:30LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

21h 55m1 stop Barcelona-El Prat

£399Multiple Airlines

Tue, 26 Jan - Tue, 9 Feb

16:55 - 07:55YTZ Toronto Island-LGW London Gatwick

10h 00m1 stop Ottawa

09:40 - 16:30LGW London Gatwick-YTZ Toronto Island

11h 50m1 stop Ottawa

£400Air Transat

Sun, 13 Sep - Fri, 25 Sep

19:40 - 10:50YYZ Toronto Pearson Intl-LHR London Heathrow

10h 10m1 stop Reykjavik Keflavik Intl

20:35 - 18:15LHR London Heathrow-YYZ Toronto Pearson Intl

26h 40m1 stop Reykjavik Keflavik Intl

£400Icelandair

Mon, 30 Nov - Mon, 7 Dec

19:40 - 10:50YYZ Toronto Pearson Intl-LHR London Heathrow

10h 10m1 stop Reykjavik Keflavik Intl

20:35 - 18:15LHR London Heathrow-YYZ Toronto Pearson Intl

26h 40m1 stop Reykjavik Keflavik Intl

£400Icelandair

Sat, 28 Nov - Mon, 7 Dec

18:00 - 08:20YYZ Toronto Pearson Intl-LHR London Heathrow

33h 20m1 stop Vienna Intl

08:00 - 12:35LHR London Heathrow-YYZ Toronto Pearson Intl

33h 35m1 stop Chicago O'Hare Intl

£414Air Canada

Thu, 15 Oct - Sun, 18 Oct

13:15 - 11:20YUL Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow

17h 05m2 stops Ottawa Toronto Pearson Intl

11:05 - 11:40LHR London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl

29h 35m1 stop Brussels Bruxelles-National

£417Air Canada

Fri, 13 Nov - Sun, 15 Nov

22:55 - 11:10YYZ Toronto Pearson Intl-LHR London Heathrow

7h 15mdirect

17:50 - 20:40LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

£448Virgin Atlantic

Thu, 1 Oct - Sat, 10 Oct

22:55 - 11:10YYZ Toronto Pearson Intl-LHR London Heathrow

7h 15mdirect

06:30 - 15:40LHR London Heathrow-YYZ Toronto Pearson Intl

14h 10m1 stop Amsterdam Schiphol

£465Virgin Atlantic

Sat, 10 Oct - Sun, 8 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

23:15 - 09:50YYZ Toronto Pearson Intl-LGW London Gatwick

29h 35m1 stop Montreal Pierre Elliott Trudeau Intl

09:40 - 12:45LGW London Gatwick-YYZ Toronto Pearson Intl

8h 05mdirect

£429Air Transat

Fri, 21 Aug - Thu, 3 Sep

23:15 - 09:50YYZ Toronto Pearson Intl-LGW London Gatwick

29h 35m1 stop Montreal Pierre Elliott Trudeau Intl

11:35 - 18:24LGW London Gatwick-YYZ Toronto Pearson Intl

11h 49m1 stop Montreal Pierre Elliott Trudeau Intl

£432Air Transat

Fri, 21 Aug - Wed, 2 Sep

23:15 - 09:50YYZ Toronto Pearson Intl-LGW London Gatwick

29h 35m1 stop Montreal Pierre Elliott Trudeau Intl

11:35 - 17:40LGW London Gatwick-YYZ Toronto Pearson Intl

11h 05m1 stop Montreal Pierre Elliott Trudeau Intl

£463Porter Airlines

Fri, 21 Aug - Fri, 28 Aug

19:15 - 11:00YYZ Toronto Pearson Intl-STN London Stansted

10h 45m1 stop Glasgow Intl

21:55 - 11:00STN London Stansted-YYZ Toronto Pearson Intl

18h 05m1 stop Glasgow Intl

£477Multiple Airlines

Mon, 24 Aug - Tue, 1 Sep

21:40 - 21:00YYZ Toronto Pearson Intl-LHR London Heathrow

18h 20m1 stop Halifax Intl

09:30 - 15:33LHR London Heathrow-YYZ Toronto Pearson Intl

11h 03m1 stop Montreal Pierre Elliott Trudeau Intl

£552Air Canada

Mon, 24 Aug - Sat, 12 Sep

21:40 - 21:00YYZ Toronto Pearson Intl-LHR London Heathrow

18h 20m1 stop Halifax Intl

08:40 - 16:10LHR London Heathrow-YYZ Toronto Pearson Intl

12h 30m1 stop Zurich

£555Air Canada

Mon, 24 Aug - Fri, 11 Sep

22:55 - 11:10YYZ Toronto Pearson Intl-LHR London Heathrow

7h 15mdirect

17:45 - 20:35LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

£573Virgin Atlantic

Mon, 24 Aug - Sun, 6 Sep

17:35 - 08:05YYZ Toronto Pearson Intl-LHR London Heathrow

9h 30m1 stop Dublin

09:50 - 15:50LHR London Heathrow-YYZ Toronto Pearson Intl

11h 00m1 stop Dublin

£584Aer Lingus

Thu, 20 Aug - Thu, 24 Sep

14:24 - 07:10YYZ Toronto Pearson Intl-LHR London Heathrow

11h 46m1 stop Detroit Metropolitan Wayne County

06:15 - 15:50LHR London Heathrow-YYZ Toronto Pearson Intl

14h 35m1 stop Paris Charles de Gaulle

£592Virgin Atlantic

Mon, 24 Aug - Sun, 30 Aug

17:35 - 08:05YYZ Toronto Pearson Intl-LHR London Heathrow

9h 30m1 stop Dublin

07:40 - 15:50LHR London Heathrow-YYZ Toronto Pearson Intl

13h 10m1 stop Dublin

£609Aer Lingus

Thu, 20 Aug - Sat, 5 Sep

Cheap direct flights

Enter your travel dates to find the best prices.

22:45 - 10:45YYZ Toronto Pearson Intl-LGW London Gatwick

7h 00mdirect

12:40 - 15:40LGW London Gatwick-YYZ Toronto Pearson Intl

8h 00mdirect

£401Air Transat

Fri, 11 Sep - Fri, 18 Sep

22:45 - 10:45YYZ Toronto Pearson Intl-LGW London Gatwick

7h 00mdirect

12:40 - 15:40LGW London Gatwick-YYZ Toronto Pearson Intl

8h 00mdirect

£402Air Transat

Fri, 11 Sep - Fri, 18 Sep

21:35 - 09:45YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

11:40 - 15:00LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

£411Porter Airlines

Mon, 23 Nov - Mon, 30 Nov

21:35 - 09:45YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

11:40 - 15:00LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

£411Porter Airlines

Sun, 22 Nov - Tue, 1 Dec

22:55 - 11:10YYZ Toronto Pearson Intl-LHR London Heathrow

7h 15mdirect

17:50 - 20:40LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

£448Virgin Atlantic

Thu, 1 Oct - Sat, 10 Oct

20:15 - 08:35YYZ Toronto Pearson Intl-LHR London Heathrow

7h 20mdirect

08:30 - 11:15LHR London Heathrow-YYZ Toronto Pearson Intl

7h 45mdirect

£451Air Canada

Sun, 20 Sep - Sat, 26 Sep

23:50 - 11:50YYZ Toronto Pearson Intl-LHR London Heathrow

7h 00mdirect

14:10 - 17:20LHR London Heathrow-YYZ Toronto Pearson Intl

8h 10mdirect

£453Air Canada

Thu, 1 Oct - Thu, 8 Oct

22:00 - 10:15YYZ Toronto Pearson Intl-LHR London Heathrow

7h 15mdirect

17:05 - 20:10LHR London Heathrow-YYZ Toronto Pearson Intl

8h 05mdirect

£456British Airways

Tue, 29 Sep - Tue, 6 Oct

22:00 - 09:40YUL Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow

6h 40mdirect

16:45 - 19:15LHR London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl

7h 30mdirect

£462British Airways

Tue, 15 Sep - Wed, 20 Jan

22:55 - 11:10YYZ Toronto Pearson Intl-LHR London Heathrow

7h 15mdirect

17:50 - 20:40LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

£472Virgin Atlantic

Thu, 1 Oct - Thu, 8 Oct

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SWISS flights from Region of Ontario to United Kingdom

Our best SWISS deals on Region of Ontario to United Kingdom flight tickets

SWISS

23 Oct

YYZ20:05Toronto Pearson Intl

32h 00m

1 stop

LHR09:05London Heathrow

26 Oct

LHR07:00London Heathrow

16h 46m

2 stops

YYZ19:46Toronto Pearson Intl

£403

SWISS

13 Oct

YYZ20:05Toronto Pearson Intl

11h 30m

1 stop

LCY12:35London City

21 Oct

LCY09:15London City

11h 55m

1 stop

YYZ16:10Toronto Pearson Intl

£491

SWISS

15 Oct

YYZ20:05Toronto Pearson Intl

11h 30m

1 stop

LCY12:35London City

19 Oct

LCY19:15London City

25h 55m

1 stop

YYZ16:10Toronto Pearson Intl

£493

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

15 Oct

YYZ18:00Toronto Pearson Intl

33h 20m

1 stop

LHR08:20London Heathrow

18 Oct

LHR08:00London Heathrow

33h 35m

1 stop

YYZ12:35Toronto Pearson Intl

£414

Air Canada

11 Oct

YTZ12:30Toronto Island

13h 00m

1 stop

LHR06:30London Heathrow

19 Oct

LHR09:30London Heathrow

10h 30m

1 stop

YTZ15:00Toronto Island

£430

Air Canada

16 Oct

YTZ12:30Toronto Island

13h 00m

1 stop

LHR06:30London Heathrow

25 Oct

LHR13:00London Heathrow

12h 36m

1 stop

YTZ21:36Toronto Island

£443

momondo Fare Finder

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 return flight

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

17:00-10:45

1 stop12h 45m

London Gatwick

Wed 7/10

11:35-14:15

Nonstop7h 40m

£397

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 6/11

20:30-13:45

1 stop12h 15m

London Gatwick

Fri 13/11

17:20-13:25

1 stop25h 05m

£397

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 26/1

18:30-16:35

1 stop17h 05m

London Gatwick

Tue 9/2

19:35-12:30

1 stop21h 55m

£399

TorontoLondon

YTZ Toronto Island - LGW London Gatwick

YTZLGW

Toronto Island

Sun 13/9

16:55-07:55

1 stop10h 00m

London Gatwick

Fri 25/9

09:40-16:30

1 stop11h 50m

£400

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Mon 30/11

19:40-10:50

1 stop10h 10m

London Heathrow

Mon 7/12

20:35-18:15

1 stop26h 40m

£400

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Sat 28/11

19:40-10:50

1 stop10h 10m

London Heathrow

Mon 7/12

20:35-18:15

1 stop26h 40m

£400

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Thu 15/10

18:00-08:20

1 stop33h 20m

London Heathrow

Sun 18/10

08:00-12:35

1 stop33h 35m

£414

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 13/11

13:15-11:20

2 stops17h 05m

London Heathrow

Sun 15/11

11:05-11:40

1 stop29h 35m

£417

Fastest return journey

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Thu 1/10

22:55-11:10

Nonstop7h 15m

London Heathrow

Sat 10/10

17:50-20:40

Nonstop7h 50m

£448

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Sat 10/10

22:55-11:10

Nonstop7h 15m

London Heathrow

Sun 8/11

06:30-15:40

1 stop14h 10m

£465

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 £446, 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 January is also very affordable. Most momondo users find prices during this month for around £454.

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 £545. 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 £628.

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 in the evening when flights can be purchased for as low as £571. Try not to purchase tickets in the afternoon because they tend to be around £574. 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 Glasgow Intl for the best Ontario - United Kingdom flight prices

How far in advance should I book a flight from Ontario to the 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 £537 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 £491 on momondo.

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

There are 3 cabin classes available to choose from on Region of 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 71% 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	£203
Fastest flight time	6h 10m
Direct flights	Every day
Airports in United Kingdom	1,285 airports

The best one-way flight to United Kingdom from Region of Ontario in the past 72 hours is £203. The best return flight deal from Region of Ontario to United Kingdom found on momondo in the last 72 hours is £397.

The fastest flight from Region of Ontario to United Kingdom takes 6h 10m

Direct flights go from Region of Ontario to United Kingdom every day.

There are 1,285 airports in United Kingdom. From Region of Ontario there are direct flights to London Heathrow (LHR), 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 were last updated today.
How many operators does momondo search for flights from Ontario to United Kingdom?
There are 10 operators available for flights from Ontario to United Kingdom as of August 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to United Kingdom is Airbus A350-1000 (18.95% of total bookings). The next most popular plane models are Airbus A321neo (16.42%), Airbus A330-200 (15.40%), and Boeing 777-300ER (9.50%).

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
WestJet	PriceFrom £279	Free Cancellation	Rating 7.2 3,433 reviews	Search WestJet flights
Aer Lingus	PriceFrom £307	Free Cancellation	Rating 7.3 1,711 reviews	Search Aer Lingus flights
Air Transat	PriceFrom £327	Free Cancellation	Rating 7.8 573 reviews	Search Air Transat flights
Icelandair	PriceFrom £357	Free Cancellation	Rating 6.9 731 reviews	Search Icelandair flights
KLM	PriceFrom £376	Free Cancellation	Rating 7.8 1,560 reviews	Search KLM flights
Virgin Atlantic	PriceFrom £385	Free Cancellation	Rating 7.4 695 reviews	Search Virgin Atlantic flights
Air Canada	PriceFrom £412	Free Cancellation	Rating 7.1 11,506 reviews	Search Air Canada flights
British Airways	PriceFrom £413	Free Cancellation	Rating 6.7 8,177 reviews	Search British Airways flights
Finnair	PriceFrom £416	Free Cancellation	Rating 7.6 1,427 reviews	Search Finnair flights
Lufthansa	PriceFrom £417	Free Cancellation	Rating 6.8 8,202 reviews	Search Lufthansa 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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Popular cities

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Complete your trip

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Popular Cities in the United Kingdom

Flights to Londonfrom £28

Flights to Manchesterfrom £30

Flights to Birminghamfrom £38

Flights to Edinburghfrom £30

Flights to Belfastfrom £30

Flights to Glasgowfrom £30

Flights to Bristolfrom £38

Flights to Newcastle upon Tynefrom £35

Flights to Liverpoolfrom £33

Flights to Leedsfrom £39

Flights to Aberdeenfrom £53

Flights to Invernessfrom £44

Cheap flights from Ontario to the United Kingdom from £203

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 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ontario to the United Kingdom

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

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SWISS flights from Region of Ontario to United Kingdom

Our best SWISS deals on Region of Ontario to United Kingdom flight tickets

Air Canada flights from Region of Ontario to United Kingdom

Our best Air Canada deals on Region of Ontario to United Kingdom flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to the United Kingdom that are best for you.

See travel insights to the United Kingdom from

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

What is the cheapest month to fly to United Kingdom?

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

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

What is the cheapest Ontario to United Kingdom flight route?

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

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

Can stopping save me money on Region of Ontario to United Kingdom flights?

What is the cheapest airline that flies from Ontario to United Kingdom?

Which airlines fly to United Kingdom?

How many flights depart from Region of Ontario to United Kingdom on average per day?

How many flights depart from Region of Ontario to United Kingdom on average per week?

How long is the flight from Region of Ontario to United Kingdom?

Cheap Region of Ontario to United Kingdom flight deals and tips

Best price found

Fastest flight time

Direct flights

Airports in United Kingdom

Frequently asked questions about flying from Ontario to the 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

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Region of Ontario flight routes

According to popular flight searches on momondo this year

United Kingdom flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to the United Kingdom

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to the United Kingdom

List of cabin classes available on flights landing in the United Kingdom. Availability may vary depending on flight origin and airline.

Complete your trip to the United Kingdom

Explore popular destinations other users love

According to popular flight searches on momondo this year