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 54% of people opting to fly with this airline when travelling to London. Keep in mind that there are 18 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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 242 per week as of January 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

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

34 flights are operational daily from Region of Ontario to London as of January 2026. 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?

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

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 7h 47m.

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 18 operators available for flights from Ontario to London as of January 2026.

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$ 323 Cheap Flights from Ontario to London in 2026

1 adult

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Find the cheapest flights from Ontario to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

YUL

LGW

11h 50m

1 stop

4:25 p.m. - 8:45 p.m.

LGW

YUL

33h 20m

1 stop

C$ 663TAP AIR PORTUGAL

Mon, 13 Apr - Tue, 21 Apr

9:45 p.m. - 3:45 p.m.

YUL

LGW

13h 00m

1 stop

10:40 a.m. - 8:15 p.m.

LGW

YUL

14h 35m

1 stop

C$ 664TAP AIR PORTUGAL

Mon, 9 Feb - Wed, 18 Feb

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

YUL

LGW

18h 30m

1 stop

11:40 a.m. - 9:17 a.m.

LGW

YUL

26h 37m

1 stop

C$ 674Air Transat

Sun, 22 Feb - Mon, 2 Mar

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$ 701Air Transat

Sun, 8 Feb - Sat, 28 Feb

11:10 p.m. - 11:20 p.m.

YYZ

STN

19h 10m

2 stops

6:30 a.m. - 7:10 p.m.

STN

YYZ

17h 40m

2 stops

C$ 701Multiple Airlines

Wed, 15 Apr - Tue, 21 Apr

8:45 p.m. - 2:40 p.m.

YYZ

LGW

12h 55m

1 stop

3:40 p.m. - 10:05 p.m.

LGW

YYZ

11h 25m

1 stop

C$ 702Icelandair

Tue, 21 Apr - Thu, 30 Apr

7:40 p.m. - 8:05 p.m.

YYZ

LTN

19h 25m

2 stops

9:00 a.m. - 6:15 p.m.

LTN

YYZ

14h 15m

2 stops

C$ 702Multiple Airlines

Tue, 24 Feb - Tue, 3 Mar

8:45 p.m. - 11:55 a.m.

YYZ

LHR

10h 10m

1 stop

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

LHR

YYZ

11h 05m

1 stop

C$ 704Icelandair

Wed, 1 Apr - Wed, 8 Apr

10:45 a.m. - 6:30 a.m.

YTZ

LHR

14h 45m

1 stop

6:00 a.m. - 9:32 p.m.

LHR

YTZ

20h 32m

2 stops

C$ 798Air Canada

Sat, 25 Apr - Sat, 2 May

10:20 a.m. - 6:30 a.m.

YTZ

LHR

15h 10m

1 stop

8:40 a.m. - 9:32 p.m.

LHR

YTZ

17h 52m

2 stops

C$ 811Air Canada

Mon, 27 Apr - Thu, 14 May

Delta flights from Region of Ontario to London

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

Delta

4 Mar

YYZ9:15 p.m.Toronto Pearson Intl

7h 20m

LHR9:35 a.m.London Heathrow

9 Mar

LHR6:20 a.m.London Heathrow

18h 20m

1 stop

YYZ8:40 p.m.Toronto Pearson Intl

C$ 761

Delta

21 Apr

YYZ11:05 p.m.Toronto Pearson Intl

7h 05m

LHR11:10 a.m.London Heathrow

29 Apr

LHR8:40 a.m.London Heathrow

16h 15m

1 stop

YYZ7:55 p.m.Toronto Pearson Intl

C$ 775

Delta

29 Jan

YYZ12:07 p.m.Toronto Pearson Intl

13h 13m

1 stop

LHR6:20 a.m.London Heathrow

5 Feb

LHR6:30 a.m.London Heathrow

14h 10m

1 stop

YYZ3:40 p.m.Toronto Pearson Intl

C$ 793

Icelandair flights from Region of Ontario to London

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

Icelandair

21 Apr

YYZ8:45 p.m.Toronto Pearson Intl

12h 55m

1 stop

LGW2:40 p.m.London Gatwick

30 Apr

LGW3:40 p.m.London Gatwick

11h 25m

1 stop

YYZ10:05 p.m.Toronto Pearson Intl

C$ 702

Icelandair

1 Apr

YYZ8:45 p.m.Toronto Pearson Intl

10h 10m

1 stop

LHR11:55 a.m.London Heathrow

8 Apr

LHR1:05 p.m.London Heathrow

11h 05m

1 stop

YYZ7:10 p.m.Toronto Pearson Intl

C$ 704

Icelandair

25 Feb

YYZ7:40 p.m.Toronto Pearson Intl

10h 10m

1 stop

LHR10:50 a.m.London Heathrow

8 Mar

LHR8:35 p.m.London Heathrow

26h 40m

1 stop

YYZ7:15 p.m.Toronto Pearson Intl

C$ 705

Fly from

Fly to

Route

Depart

Return

Price

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

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

1 stop11h 50m

London Gatwick

Tue 21/4

4:25 p.m.-8:45 p.m.

1 stop33h 20m

C$ 663

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

9:45 p.m.-3:45 p.m.

1 stop13h 00m

London Gatwick

Wed 18/2

10:40 a.m.-8:15 p.m.

1 stop14h 35m

C$ 664

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 22/2

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

1 stop18h 30m

London Gatwick

Mon 2/3

11:40 a.m.-9:17 a.m.

1 stop26h 37m

C$ 674

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 8/2

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

Nonstop7h 10m

London Gatwick

Sat 28/2

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

Nonstop8h 20m

C$ 701

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 15/4

11:10 p.m.-11:20 p.m.

2 stops19h 10m

London Stansted

Tue 21/4

6:30 a.m.-7:10 p.m.

2 stops17h 40m

C$ 701

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 21/4

8:45 p.m.-2:40 p.m.

1 stop12h 55m

London Gatwick

Thu 30/4

3:40 p.m.-10:05 p.m.

1 stop11h 25m

C$ 702

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Tue 24/2

7:40 p.m.-8:05 p.m.

2 stops19h 25m

London Luton

Tue 3/3

9:00 a.m.-6:15 p.m.

2 stops14h 15m

C$ 702

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 1/4

8:45 p.m.-11:55 a.m.

1 stop10h 10m

London Heathrow

Wed 8/4

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

1 stop11h 05m

C$ 704

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Sat 25/4

10:45 a.m.-6:30 a.m.

1 stop14h 45m

London Heathrow

Sat 2/5

6:00 a.m.-9:32 p.m.

2 stops20h 32m

C$ 798

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Mon 27/4

10:20 a.m.-6:30 a.m.

1 stop15h 10m

London Heathrow

Thu 14/5

8:40 a.m.-9:32 p.m.

2 stops17h 52m

C$ 811

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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$ 707. 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$ 742.

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 Monday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to London for around C$ 1,232.

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 in the evening. Flights from Region of Ontario to London during this time can be as low as C$ 1,106. In the afternoon is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,308 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$ 917 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$ 822 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 20% 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$ 494
Fastest flight time	6h 25m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from Region of Ontario in the past 72 hours is C$ 494. The best round-trip flight deal from Region of Ontario to London found on momondo in the last 72 hours is C$ 158.

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 6 airports in London. From Region of Ontario there are direct flights to 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 18 operators available for flights from Ontario to London as of January 2026.
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 A321neo (17.85% of total bookings). The next most popular plane models are Airbus A330-200 (15.56%), Boeing 777-300ER (12.43%), and Airbus A350-1000 (11.46%).

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$ 217	Free Cancellation	Rating 7.2 3,252 reviews	Search WestJet flights
Lufthansa	PriceFrom C$ 425	Free Cancellation	Rating 6.8 7,749 reviews	Search Lufthansa flights
TAP AIR PORTUGAL	PriceFrom C$ 432	Free Cancellation	Rating 7.1 2,130 reviews	Search TAP AIR PORTUGAL flights
WestJet Encore	PriceFrom C$ 546	Free Cancellation	Rating 0.0	Search WestJet Encore flights
Air Transat	PriceFrom C$ 573	Free Cancellation	Rating 7.7 501 reviews	Search Air Transat flights
Porter Airlines	PriceFrom C$ 597	Free Cancellation	Rating 7.9 412 reviews	Search Porter Airlines flights
Icelandair	PriceFrom C$ 635	Free Cancellation	Rating 7.1 603 reviews	Search Icelandair flights
Air Canada	PriceFrom C$ 703	Free Cancellation	Rating 7.1 10,666 reviews	Search Air Canada flights
Aer Lingus	PriceFrom C$ 707	Free Cancellation	Rating 7.2 1,442 reviews	Search Aer Lingus flights
British Airways	PriceFrom C$ 710	Free Cancellation	Rating 6.7 7,704 reviews	Search British Airways flights

Hounslow

Gatwick

Ilford

Chelmsford

Wokingham

Slough

Feltham

Hayes

Richmond

Uxbridge

Wembley

Waterlooville

Newport

Basingstoke

Milton Keynes

Dover

Worthing

Ipswich

Guildford

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.