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 55% 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 307 per week as of March 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

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

TAP AIR PORTUGAL, Air Transat, and United Airlines 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 50m.

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

43 flights are operational daily from Region of Ontario to London as of March 2026. The most popular departure time for this route is 6:00p.m., with 100% of flights per day taking off in the evening.

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 March 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$ 398 Cheap Flights from Ontario to London in 2026

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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.

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

YYZ

LHR

10h 10m

1 stop

9:25 p.m. - 10:05 p.m.

LHR

YYZ

29h 40m

1 stop

C$ 701Icelandair

Tue, 7 Apr - Wed, 29 Apr

11:10 p.m. - 2:40 p.m.

YYZ

LGW

10h 30m

1 stop

1:00 p.m. - 10:05 p.m.

LGW

YYZ

14h 05m

1 stop

C$ 701Icelandair

Thu, 23 Apr - Thu, 30 Apr

8:45 p.m. - 11:25 p.m.

YYZ

LTN

21h 40m

2 stops

9:40 a.m. - 10:05 p.m.

LTN

YYZ

17h 25m

2 stops

C$ 702Multiple Airlines

Thu, 28 May - Tue, 2 Jun

10:05 p.m. - 8:30 p.m.

YYZ

STN

17h 25m

1 stop

6:30 a.m. - 1:20 p.m.

STN

YYZ

11h 50m

1 stop

C$ 702Multiple Airlines

Wed, 20 May - Thu, 28 May

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

YTZ

LGW

31h 55m

1 stop

9:40 a.m. - 9:48 p.m.

LGW

YTZ

17h 08m

1 stop

C$ 726Air Transat

Mon, 18 May - Fri, 29 May

8:25 a.m. - 9:50 a.m.

YTZ

LGW

20h 25m

1 stop

11:35 a.m. - 12:00 p.m.

LGW

YTZ

29h 25m

1 stop

C$ 732Air Transat

Thu, 7 May - Sun, 17 May

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

YUL

LGW

30h 00m

1 stop

10:35 a.m. - 9:10 p.m.

LGW

YUL

15h 35m

1 stop

C$ 732TAP AIR PORTUGAL

Wed, 20 May - Fri, 5 Jun

10:45 p.m. - 6:50 p.m.

YUL

LHR

15h 05m

1 stop

6:00 a.m. - 8:45 p.m.

LHR

YUL

19h 45m

1 stop

C$ 732TAP AIR PORTUGAL

Wed, 3 Jun - Wed, 10 Jun

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

YTZ

LHR

39h 10m

2 stops

1:50 p.m. - 5:52 p.m.

LHR

YTZ

33h 02m

2 stops

C$ 779Air Canada

Thu, 23 Apr - Thu, 30 Apr

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

YTZ

LHR

15h 10m

2 stops

8:45 a.m. - 9:32 p.m.

LHR

YTZ

17h 47m

2 stops

C$ 794Air Canada

Wed, 15 Apr - Thu, 23 Apr

Icelandair flights from Region of Ontario to London

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

Icelandair

7 Apr

YYZ8:45 p.m.Toronto Pearson Intl

10h 10m

1 stop

LHR11:55 a.m.London Heathrow

29 Apr

LHR9:25 p.m.London Heathrow

29h 40m

1 stop

YYZ10:05 p.m.Toronto Pearson Intl

C$ 701

Icelandair

6 Apr

YYZ11:10 p.m.Toronto Pearson Intl

31h 45m

1 stop

LHR11:55 a.m.London Heathrow

30 Apr

LHR1:05 p.m.London Heathrow

14h 00m

1 stop

YYZ10:05 p.m.Toronto Pearson Intl

C$ 702

Icelandair

13 Apr

YYZ11:10 p.m.Toronto Pearson Intl

16h 10m

1 stop

LHR8:20 p.m.London Heathrow

23 Apr

LHR1:05 p.m.London Heathrow

14h 00m

1 stop

YYZ10:05 p.m.Toronto Pearson Intl

C$ 703

British Airways flights from Region of Ontario to London

Our best British Airways deals on Region of Ontario to London flight tickets

British Airways

18 Mar

YYZ11:05 p.m.Toronto Pearson Intl

7h 05m

LHR10:10 a.m.London Heathrow

13 Apr

LHR5:05 p.m.London Heathrow

8h 05m

YYZ8:10 p.m.Toronto Pearson Intl

C$ 823

British Airways

21 Mar

YYZ7:05 p.m.Toronto Pearson Intl

7h 10m

LHR6:15 a.m.London Heathrow

10 Apr

LHR5:05 p.m.London Heathrow

8h 05m

YYZ8:10 p.m.Toronto Pearson Intl

C$ 830

British Airways

21 Mar

YYZ7:05 p.m.Toronto Pearson Intl

7h 10m

LHR6:15 a.m.London Heathrow

10 Apr

LHR1:15 p.m.London Heathrow

7h 50m

YYZ4:05 p.m.Toronto Pearson Intl

C$ 831

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 7/4

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

1 stop10h 10m

London Heathrow

Wed 29/4

9:25 p.m.-10:05 p.m.

1 stop29h 40m

C$ 701

Quickest round-trip

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 23/4

11:10 p.m.-2:40 p.m.

1 stop10h 30m

London Gatwick

Thu 30/4

1:00 p.m.-10:05 p.m.

1 stop14h 05m

C$ 701

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Thu 28/5

8:45 p.m.-11:25 p.m.

2 stops21h 40m

London Luton

Tue 2/6

9:40 a.m.-10:05 p.m.

2 stops17h 25m

C$ 702

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 20/5

10:05 p.m.-8:30 p.m.

1 stop17h 25m

London Stansted

Thu 28/5

6:30 a.m.-1:20 p.m.

1 stop11h 50m

C$ 702

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Mon 18/5

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

1 stop31h 55m

London Gatwick

Fri 29/5

9:40 a.m.-9:48 p.m.

1 stop17h 08m

C$ 726

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Thu 7/5

8:25 a.m.-9:50 a.m.

1 stop20h 25m

London Gatwick

Sun 17/5

11:35 a.m.-12:00 p.m.

1 stop29h 25m

C$ 732

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

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

1 stop30h 00m

London Gatwick

Fri 5/6

10:35 a.m.-9:10 p.m.

1 stop15h 35m

C$ 732

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

10:45 p.m.-6:50 p.m.

1 stop15h 05m

London Heathrow

Wed 10/6

6:00 a.m.-8:45 p.m.

1 stop19h 45m

C$ 732

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Thu 23/4

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

2 stops39h 10m

London Heathrow

Thu 30/4

1:50 p.m.-5:52 p.m.

2 stops33h 02m

C$ 779

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Wed 15/4

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

2 stops15h 10m

London Heathrow

Thu 23/4

8:45 a.m.-9:32 p.m.

2 stops17h 47m

C$ 794

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, May 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$ 733. If you aren’t able to travel to London during the month of May, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 756.

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$ 1,130. 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$ 1,226.

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$ 1,112. In the afternoon is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,298 per ticket.

What is the cheapest Ontario to London flight route?

Fly from Ottawa 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$ 923 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$ 851 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?

No. A direct flight is the cheapest option for a flight between Region of Ontario 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	C$ 66
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$ 66. The best round-trip flight deal from Region of Ontario to London found on momondo in the last 72 hours is C$ 223.

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 March 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 (17.14% of total bookings). The next most popular plane models are Airbus A350-1000 (15.71%), Airbus A330-200 (13.00%), and Boeing 777-300ER (12.45%).

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$ 216	Free Cancellation	Rating 7.2 3,290 reviews	Search WestJet flights
Lufthansa	PriceFrom C$ 421	Free Cancellation	Rating 6.8 7,843 reviews	Search Lufthansa flights
WestJet Encore	PriceFrom C$ 542	Free Cancellation	Rating 0.0	Search WestJet Encore flights
Air Transat	PriceFrom C$ 568	Free Cancellation	Rating 7.7 521 reviews	Search Air Transat flights
TAP AIR PORTUGAL	PriceFrom C$ 590	Free Cancellation	Rating 7.1 2,162 reviews	Search TAP AIR PORTUGAL flights
Porter Airlines	PriceFrom C$ 610	Free Cancellation	Rating 8.0 423 reviews	Search Porter Airlines flights
Icelandair	PriceFrom C$ 636	Free Cancellation	Rating 7.1 619 reviews	Search Icelandair flights
American Airlines	PriceFrom C$ 696	Free Cancellation	Rating 7.1 11,423 reviews	Search American Airlines flights
British Airways	PriceFrom C$ 699	Free Cancellation	Rating 6.7 7,781 reviews	Search British Airways flights
Aer Lingus	PriceFrom C$ 701	Free Cancellation	Rating 7.2 1,474 reviews	Search Aer Lingus flights

Hounslow

Wembley

Ilford

Slough

Gatwick

Wokingham

Crawley

Feltham

Hayes

Newport

Waterlooville

Chelmsford

Basingstoke

Milton Keynes

Dover

Guildford

Worthing

Ipswich

Maidstone

Woking

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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Cheap flights from Ontario to London from C$ 398

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 27/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Icelandair flights from Region of Ontario to London

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

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Our best British Airways deals on Region of Ontario to London flight tickets

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How to get the cheapest flight ticket from Region of Ontario to London

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?

What is the cheapest Ontario to London flight route?

How far in advance should I book a flight to London?

What cabin class options are available on Ontario to London flights?

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

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

Which airlines fly to London?

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

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

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

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?

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

Fly your favourite airline to London

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

Cabin classes currently available on flights to London

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

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