Which airlines fly to London?

Air Canada, British Airways and Air Transat are the top three most popular airlines that fly to London from Region of Ontario according to our data. Air Canada is the first choice among our users, with 53% of people opting to fly with this airline when travelling to London. Keep in mind that there are 19 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to London?

On average, it takes 6h 25m to fly from Region of Ontario to London if you fly out of Ottawa (the most popular airport in Region of Ontario) and into London Heathrow Airport (the most popular airport in London). If you’re flying out of Toronto and into London Heathrow Airport, then the flight time is around 8h 05m.

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

42 flights are operational daily from Region of Ontario to London as of November 2025. The most popular departure time for this route is 6:00p.m., with 100% of flights per day taking off in the evening.

What is the cheapest airline that flies from Ontario to London?

WestJet, TAP AIR PORTUGAL, and Air Canada are the most popular carriers operating from Ontario to London

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

The number of flights available between Region of Ontario and London is 299 per week as of November 2025. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.

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?

There are 19 operators available for flights from Ontario to London as of November 2025.

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.

C$ 365 Cheap Flights from Ontario to London in 2025/26

1 adult

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:10 p.m. - 6:30 a.m.YYZ-LHR

7h 20mdirect

9:00 a.m. - 4:05 p.m.LHR-YYZ

12h 05m1 stop

C$ 782Air Canada

Find Deal

Tue, 3 Feb - Tue, 10 Feb

8:00 a.m. - 9:15 a.m.YYZ-LGW

20h 15m1 stop

11:00 a.m. - 5:10 p.m.LGW-YYZ

11h 10m1 stop

C$ 782WestJet

Find Deal

Sat, 23 May - Sat, 30 May

11:55 p.m. - 2:35 p.m.YYZ-STN

9h 40m1 stop

10:00 p.m. - 3:00 p.m.STN-YYZ

22h 00m2 stops

C$ 782Multiple Airlines

Find Deal

Thu, 14 May - Tue, 26 May

8:50 p.m. - 2:40 p.m.YYZ-LGW

12h 50m1 stop

1:00 p.m. - 7:10 p.m.LGW-YYZ

11h 10m1 stop

C$ 783Icelandair

Find Deal

Thu, 14 May - Tue, 19 May

11:00 p.m. - 11:20 a.m.YYZ-LHR

7h 20mdirect

7:40 a.m. - 2:50 p.m.LHR-YYZ

12h 10m1 stop

C$ 783Multiple Airlines

Find Deal

Sun, 11 Jan - Sat, 17 Jan

6:00 a.m. - 9:20 a.m.YYZ-LHR

22h 20m2 stops

7:50 p.m. - 3:40 p.m.LHR-YYZ

24h 50m2 stops

C$ 787Scandinavian Airlines

Find Deal

Fri, 30 Jan - Thu, 5 Feb

11:25 p.m. - 8:20 p.m.YYZ-LHR

15h 55m1 stop

1:05 p.m. - 7:10 p.m.LHR-YYZ

11h 05m1 stop

C$ 790Icelandair

Find Deal

Thu, 9 Apr - Thu, 16 Apr

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

7h 10mdirect

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

8h 20mdirect

C$ 792Air Transat

Find Deal

Fri, 13 Feb - Sun, 22 Feb

12:05 p.m. - 4:25 p.m.YYZ-LHR

23h 20m3 stops

3:35 p.m. - 3:40 p.m.LHR-YYZ

29h 05m2 stops

C$ 793Scandinavian Airlines

Find Deal

Mon, 23 Feb - Sat, 28 Feb

10:05 p.m. - 9:50 a.m.YUL-LGW

6h 45mdirect

9:40 a.m. - 12:37 a.m.LGW-YUL

19h 57m1 stop

C$ 845Air Transat

Find Deal

Sat, 16 May - Sat, 30 May

Delta flights from Region of Ontario to London

Our best Delta deals on Region of Ontario to London flight tickets

Delta

3 Dec

YYZ6:05 p.m.Toronto Pearson Intl

9h 40m

1 stop

LHR8:45 a.m.London Heathrow

10 Dec

LHR10:00 a.m.London Heathrow

10h 40m

1 stop

YYZ3:40 p.m.Toronto Pearson Intl

C$ 831

Find similar

Delta

2 Dec

YYZ12:13 p.m.Toronto Pearson Intl

15h 32m

1 stop

LHR8:45 a.m.London Heathrow

8 Dec

LHR10:00 a.m.London Heathrow

10h 40m

1 stop

YYZ3:40 p.m.Toronto Pearson Intl

C$ 832

Find similar

Delta

13 Jan

YYZ6:13 p.m.Toronto Pearson Intl

11h 02m

1 stop

LHR10:15 a.m.London Heathrow

10 Feb

LHR8:40 a.m.London Heathrow

15h 35m

1 stop

YYZ7:15 p.m.Toronto Pearson Intl

C$ 839

Find similar

United Airlines flights from Region of Ontario to London

Our best United Airlines deals on Region of Ontario to London flight tickets

United Airlines

4 Dec

YUL7:00 p.m.Montreal Pierre Elliott Trudeau Intl

10h 50m

1 stop

LHR10:50 a.m.London Heathrow

8 Dec

LHR6:50 a.m.London Heathrow

37h 26m

2 stops

YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 903

Find similar

United Airlines

27 Jan

YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl

13h 10m

1 stop

LHR9:10 a.m.London Heathrow

25 Feb

LHR6:50 a.m.London Heathrow

17h 58m

2 stops

YUL7:48 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 911

Find similar

United Airlines

3 Dec

YUL8:25 a.m.Montreal Pierre Elliott Trudeau Intl

16h 55m

2 stops

LHR6:20 a.m.London Heathrow

10 Dec

LHR7:40 a.m.London Heathrow

13h 17m

1 stop

YUL3:57 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 917

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 3/2

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

Nonstop7h 20m

London Heathrow

Tue 10/2

9:00 a.m.-4:05 p.m.

1 stop12h 05m

C$ 782

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 23/5

8:00 a.m.-9:15 a.m.

1 stop20h 15m

London Gatwick

Sat 30/5

11:00 a.m.-5:10 p.m.

1 stop11h 10m

C$ 782

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Thu 14/5

11:55 p.m.-2:35 p.m.

1 stop9h 40m

London Stansted

Tue 26/5

10:00 p.m.-3:00 p.m.

2 stops22h 00m

C$ 782

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 14/5

8:50 p.m.-2:40 p.m.

1 stop12h 50m

London Gatwick

Tue 19/5

1:00 p.m.-7:10 p.m.

1 stop11h 10m

C$ 783

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 11/1

11:00 p.m.-11:20 a.m.

Nonstop7h 20m

London Heathrow

Sat 17/1

7:40 a.m.-2:50 p.m.

1 stop12h 10m

C$ 783

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 30/1

6:00 a.m.-9:20 a.m.

2 stops22h 20m

London Heathrow

Thu 5/2

7:50 p.m.-3:40 p.m.

2 stops24h 50m

C$ 787

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 9/4

11:25 p.m.-8:20 p.m.

1 stop15h 55m

London Heathrow

Thu 16/4

1:05 p.m.-7:10 p.m.

1 stop11h 05m

C$ 790

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Fri 13/2

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

Nonstop7h 10m

London Gatwick

Sun 22/2

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

Nonstop8h 20m

C$ 792

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 23/2

12:05 p.m.-4:25 p.m.

3 stops23h 20m

London Heathrow

Sat 28/2

3:35 p.m.-3:40 p.m.

2 stops29h 05m

C$ 793

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

London Gatwick

Sat 30/5

9:40 a.m.-12:37 a.m.

1 stop19h 57m

C$ 845

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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

Prices

Airlines

Other information

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$ 724. 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$ 765.

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$ 1,134. 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$ 1,277.

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$ 891. In the afternoon is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,339 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$ 946 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$ 855 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?

You could potentially save up to 15% on your flight if you consider stops on a Region of Ontario to London flight.

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$ 493
Fastest flight time	6h 25m
Direct flights	Every day
Airports in London	2 airports

The best one-way flight to London from Region of Ontario in the past 72 hours is C$ 493. The best round-trip flight deal from Region of Ontario to London found on momondo in the last 72 hours is C$ 811.

The fastest flight from Region of Ontario to London takes 6h 25m

Direct flights go from Region of Ontario to London every day.

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?
There are 19 operators available for flights from Ontario to London as of November 2025.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to London is Airbus A330-200 (19.36% of total bookings). The next most popular plane models are Airbus A321neo (15.46%), Boeing 777-300ER (14.93%), and Boeing 787-9 Dreamliner (14.53%).

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
WestJet	PriceFrom C$ 224	Free Cancellation	Rating 7.2 3,176 reviews	Search WestJet flights
Lufthansa	PriceFrom C$ 438	Free Cancellation	Rating 6.8 7,594 reviews	Search Lufthansa flights
PLAY	PriceFrom C$ 461	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
WestJet Encore	PriceFrom C$ 563	Free Cancellation	Rating 0.0	Search WestJet Encore flights
Air Transat	PriceFrom C$ 590	Free Cancellation	Rating 7.8 478 reviews	Search Air Transat flights
TAP AIR PORTUGAL	PriceFrom C$ 610	Free Cancellation	Rating 7.1 2,075 reviews	Search TAP AIR PORTUGAL flights
Porter Airlines	PriceFrom C$ 634	Free Cancellation	Rating 8.0 394 reviews	Search Porter Airlines flights
Icelandair	PriceFrom C$ 654	Free Cancellation	Rating 7.0 582 reviews	Search Icelandair flights
Air Canada	PriceFrom C$ 722	Free Cancellation	Rating 7.1 10,481 reviews	Search Air Canada flights
KLM	PriceFrom C$ 725	Free Cancellation	Rating 7.7 1,423 reviews	Search KLM flights

Hounslow

Ipswich

Dartford

Gatwick

Ilford

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

Cheap flights from Ontario to London from C$ 365

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 23/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Ontario to London

Cheap round-trip flights

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Delta flights from Region of Ontario to London

Our best Delta deals on Region of Ontario to London flight tickets

United Airlines flights from Region of Ontario to London

Our best United Airlines deals on Region of Ontario to London flight tickets

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

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?

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

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$ 891. In the afternoon is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,339 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?

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?

You could potentially save up to 15% on your flight if you consider stops on a Region of Ontario to London flight.

What is the cheapest airline that flies from Ontario to London?

WestJet, TAP AIR PORTUGAL, and Air Canada are the most popular carriers operating from Ontario to London

Which airlines fly to London?

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

42 flights are operational daily from Region of Ontario to London as of November 2025. The most popular departure time for this route is 6:00p.m., with 100% of flights per day taking off in the evening.

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

The number of flights available between Region of Ontario and London is 299 per week as of November 2025. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.

How long does it take to fly 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

Fastest flight time

Direct flights

Airports in London

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

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?

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

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

Travelling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London 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.

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

Fly into one of these airports located in London

Airports listed have a maximum distance of 57.3 km from London