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

Air Transat, WestJet, and TAP AIR PORTUGAL 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.

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 282 per week as of February 2026. The most frequent departure day is Tue, with 16% of weekly flights leaving on this day.

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

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

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.

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 February 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$ 343 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.

9:45 p.m. - 10:40 p.m.

YUL

LHR

19h 55m

1 stop

12:25 p.m. - 9:15 p.m.

LHR

YUL

12h 50m

1 stop

C$ 673TAP AIR PORTUGAL

Mon, 23 Feb - Fri, 13 Mar

9:45 p.m. - 10:40 p.m.

YUL

LHR

19h 55m

1 stop

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

LHR

YUL

17h 00m

1 stop

C$ 677TAP AIR PORTUGAL

Mon, 23 Feb - Wed, 11 Mar

7:40 p.m. - 10:50 a.m.

YYZ

LHR

10h 10m

1 stop

12:15 p.m. - 7:15 p.m.

LHR

YYZ

11h 00m

1 stop

C$ 698Icelandair

Sun, 1 Mar - Wed, 11 Mar

9:05 p.m. - 6:40 p.m.

YYZ

STN

16h 35m

2 stops

6:30 a.m. - 2:10 p.m.

STN

YYZ

12h 40m

1 stop

C$ 698Multiple Airlines

Tue, 24 Feb - Thu, 5 Mar

7:40 p.m. - 10:50 a.m.

YYZ

LHR

10h 10m

1 stop

12:15 p.m. - 6:15 p.m.

LHR

YYZ

11h 00m

1 stop

C$ 699Icelandair

Wed, 25 Feb - Thu, 5 Mar

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

YYZ

LTN

21h 40m

2 stops

8:15 a.m. - 10:05 p.m.

LTN

YYZ

18h 50m

2 stops

C$ 699Multiple Airlines

Thu, 23 Apr - Mon, 27 Apr

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

YUL

LGW

6h 45mdirect

9:40 a.m. - 8:30 p.m.

LGW

YUL

15h 50m

1 stop

C$ 710Air Transat

Sat, 16 May - Mon, 25 May

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

YYZ

LGW

7h 10mdirect

11:40 a.m. - 4:00 p.m.

LGW

YYZ

8h 20mdirect

C$ 713Air Transat

Tue, 3 Mar - Sun, 8 Mar

6:55 p.m. - 9:50 a.m.

YTZ

LGW

9h 55m

1 stop

11:35 a.m. - 10:20 p.m.

LGW

YTZ

15h 45m

1 stop

C$ 721Porter Airlines

Tue, 12 May - Wed, 20 May

6:55 p.m. - 9:50 a.m.

YTZ

LGW

9h 55m

1 stop

11:35 a.m. - 8:20 p.m.

LGW

YTZ

13h 45m

1 stop

C$ 732Porter Airlines

Tue, 5 May - Wed, 20 May

Lufthansa flights from Region of Ontario to London

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

Lufthansa

22 Feb

YYZ11:00 p.m.Toronto Pearson Intl

7h 20m

LHR11:20 a.m.London Heathrow

4 Mar

LHR6:35 a.m.London Heathrow

13h 15m

1 stop

YYZ2:50 p.m.Toronto Pearson Intl

C$ 762

Lufthansa

15 Feb

YYZ6:10 p.m.Toronto Pearson Intl

7h 20m

LHR6:30 a.m.London Heathrow

19 Feb

LHR6:35 a.m.London Heathrow

13h 15m

1 stop

YYZ2:50 p.m.Toronto Pearson Intl

C$ 770

Lufthansa

5 Feb

YYZ6:10 p.m.Toronto Pearson Intl

7h 20m

LHR6:30 a.m.London Heathrow

11 Feb

LHR12:00 p.m.London Heathrow

10h 36m

1 stop

YYZ5:36 p.m.Toronto Pearson Intl

C$ 785

Icelandair flights from Region of Ontario to London

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

Icelandair

1 Mar

YYZ7:40 p.m.Toronto Pearson Intl

10h 10m

1 stop

LHR10:50 a.m.London Heathrow

11 Mar

LHR12:15 p.m.London Heathrow

11h 00m

1 stop

YYZ7:15 p.m.Toronto Pearson Intl

C$ 698

Icelandair

25 Feb

YYZ7:40 p.m.Toronto Pearson Intl

10h 10m

1 stop

LHR10:50 a.m.London Heathrow

5 Mar

LHR12:15 p.m.London Heathrow

11h 00m

1 stop

YYZ6:15 p.m.Toronto Pearson Intl

C$ 699

Icelandair

1 Mar

YYZ7:40 p.m.Toronto Pearson Intl

10h 10m

1 stop

LHR10:50 a.m.London Heathrow

5 Mar

LHR12:15 p.m.London Heathrow

11h 00m

1 stop

YYZ6:15 p.m.Toronto Pearson Intl

C$ 701

Fly from

Fly to

Route

Depart

Return

Price

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

9:45 p.m.-10:40 p.m.

1 stop19h 55m

London Heathrow

Fri 13/3

12:25 p.m.-9:15 p.m.

1 stop12h 50m

C$ 673

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

9:45 p.m.-10:40 p.m.

1 stop19h 55m

London Heathrow

Wed 11/3

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

1 stop17h 00m

C$ 677

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 1/3

7:40 p.m.-10:50 a.m.

1 stop10h 10m

London Heathrow

Wed 11/3

12:15 p.m.-7:15 p.m.

1 stop11h 00m

C$ 698

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Tue 24/2

9:05 p.m.-6:40 p.m.

2 stops16h 35m

London Stansted

Thu 5/3

6:30 a.m.-2:10 p.m.

1 stop12h 40m

C$ 698

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 25/2

7:40 p.m.-10:50 a.m.

1 stop10h 10m

London Heathrow

Thu 5/3

12:15 p.m.-6:15 p.m.

1 stop11h 00m

C$ 699

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Thu 23/4

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

2 stops21h 40m

London Luton

Mon 27/4

8:15 a.m.-10:05 p.m.

2 stops18h 50m

C$ 699

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

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

Nonstop6h 45m

London Gatwick

Mon 25/5

9:40 a.m.-8:30 p.m.

1 stop15h 50m

C$ 710

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 3/3

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

Nonstop7h 10m

London Gatwick

Sun 8/3

11:40 a.m.-4:00 p.m.

Nonstop8h 20m

C$ 713

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Tue 12/5

6:55 p.m.-9:50 a.m.

1 stop9h 55m

London Gatwick

Wed 20/5

11:35 a.m.-10:20 p.m.

1 stop15h 45m

C$ 721

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Tue 5/5

6:55 p.m.-9:50 a.m.

1 stop9h 55m

London Gatwick

Wed 20/5

11:35 a.m.-8:20 p.m.

1 stop13h 45m

C$ 732

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$ 703. 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$ 740.

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$ 1,120. 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$ 1,227.

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$ 1,104. In the afternoon is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,304 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$ 916 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$ 821 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$ 485
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$ 485. The best round-trip flight deal from Region of Ontario to London found on momondo in the last 72 hours is C$ 157.

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 February 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 (17.58% of total bookings). The next most popular plane models are Airbus A330-200 (14.62%), Boeing 777-300ER (12.38%), and Airbus A350-1000 (12.26%).

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 3,255 reviews	Search WestJet flights
Lufthansa	PriceFrom C$ 424	Free Cancellation	Rating 6.8 7,759 reviews	Search Lufthansa flights
TAP AIR PORTUGAL	PriceFrom C$ 431	Free Cancellation	Rating 7.1 2,133 reviews	Search TAP AIR PORTUGAL flights
WestJet Encore	PriceFrom C$ 545	Free Cancellation	Rating 0.0	Search WestJet Encore flights
Air Transat	PriceFrom C$ 571	Free Cancellation	Rating 7.7 502 reviews	Search Air Transat flights
Porter Airlines	PriceFrom C$ 595	Free Cancellation	Rating 7.9 412 reviews	Search Porter Airlines flights
Icelandair	PriceFrom C$ 640	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
American Airlines	PriceFrom C$ 700	Free Cancellation	Rating 7.2 11,218 reviews	Search American Airlines flights
Air Canada	PriceFrom C$ 701	Free Cancellation	Rating 7.1 10,687 reviews	Search Air Canada flights
British Airways	PriceFrom C$ 703	Free Cancellation	Rating 6.7 7,714 reviews	Search British Airways flights

Hounslow

Ilford

Gatwick

Wokingham

Slough

Feltham

Hayes

Richmond

Uxbridge

Wembley

Waterlooville

Newport

Chelmsford

Basingstoke

Milton Keynes

Dover

Worthing

Guildford

Ipswich

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.

An easier way to manage your London trip

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Cheap flights from Ontario to London from C$ 343

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 11/3. 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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Big names, great deals

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Filter for what you want

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Find the cheapest flights from Ontario to London

Cheap round-trip flights

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Cheap last-minute flights

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Lufthansa flights from Region of Ontario to London

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

Icelandair flights from Region of Ontario to London

Our best Icelandair 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.

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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?

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?

No. A direct flight is the cheapest option for a flight between Region of Ontario to London.

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

Air Transat, WestJet, and TAP AIR PORTUGAL 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?

40 flights are operational daily from Region of Ontario to London as of February 2026. 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 282 per week as of February 2026. The most frequent departure day is Tue, with 16% 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

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.

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

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