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 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 287 per week as of November 2025. The most frequent departure day is Wed, with 17% of weekly flights leaving on this day.

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 12m.

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

41 flights are operational daily from Region of Ontario to London as of November 2025. The most popular departure time for this route is 11:00p.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 Scandinavian Airlines are the most popular carriers operating from Ontario to London

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$ 340 Cheap Flights from Ontario to London in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

7:40 p.m. - 7:30 p.m.YYZ-LHR

18h 50m1 stop

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

11h 00m1 stop

C$ 746Icelandair

Find Deal

Sat, 17 Jan - Sun, 1 Feb

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$ 746Air Transat

Find Deal

Sat, 24 Jan - Mon, 26 Jan

10:45 p.m. - 9:35 p.m.YYZ-LHR

17h 50m1 stop

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

20h 15m1 stop

C$ 749TAP AIR PORTUGAL

Find Deal

Mon, 12 Jan - Mon, 19 Jan

5:15 p.m. - 7:05 p.m.YYZ-LGW

20h 50m2 stops

8:15 p.m. - 2:45 p.m.LGW-YYZ

23h 30m2 stops

C$ 752Multiple Airlines

Find Deal

Wed, 28 Jan - Tue, 3 Feb

10:45 p.m. - 5:30 p.m.YYZ-LHR

13h 45m1 stop

1:40 p.m. - 3:20 p.m.LHR-YYZ

30h 40m1 stop

C$ 753TAP AIR PORTUGAL

Find Deal

Mon, 12 Jan - Mon, 19 Jan

7:35 p.m. - 8:10 p.m.YYZ-LTN

19h 35m1 stop

9:00 p.m. - 11:15 a.m.LTN-YYZ

19h 15m1 stop

C$ 753Multiple Airlines

Find Deal

Fri, 14 Nov - Sat, 22 Nov

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

7h 20mdirect

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

12h 05m1 stop

C$ 772Air Canada

Find Deal

Sun, 30 Nov - Tue, 9 Dec

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

7h 20mdirect

9:00 a.m. - 4:10 p.m.LHR-YYZ

12h 10m1 stop

C$ 786Air Canada

Find Deal

Tue, 18 Nov - Wed, 26 Nov

5:25 p.m. - 9:05 a.m.YYZ-LHR

10h 40m1 stop

8:50 a.m. - 3:55 p.m.LHR-YYZ

12h 05m1 stop

C$ 791Aer Lingus

Find Deal

Fri, 9 Jan - Mon, 26 Jan

5:25 p.m. - 9:05 a.m.YYZ-LHR

10h 40m1 stop

7:50 a.m. - 3:55 p.m.LHR-YYZ

13h 05m1 stop

C$ 804Aer Lingus

Find Deal

Wed, 26 Nov - Wed, 3 Dec

Icelandair flights from Region of Ontario to London

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

Icelandair

17 Jan

YYZ7:40 p.m.Toronto Pearson Intl

18h 50m

1 stop

LHR7:30 p.m.London Heathrow

1 Feb

LHR12:15 p.m.London Heathrow

11h 00m

1 stop

YYZ6:15 p.m.Toronto Pearson Intl

C$ 746

Find similar

Icelandair

30 Jan

YYZ7:40 p.m.Toronto Pearson Intl

10h 15m

1 stop

LGW10:55 a.m.London Gatwick

5 Feb

LGW11:55 a.m.London Gatwick

11h 20m

1 stop

YYZ6:15 p.m.Toronto Pearson Intl

C$ 756

Find similar

Icelandair

3 Dec

YYZ7:40 p.m.Toronto Pearson Intl

10h 10m

1 stop

LHR10:50 a.m.London Heathrow

9 Dec

LHR12:15 p.m.London Heathrow

11h 00m

1 stop

YYZ6:15 p.m.Toronto Pearson Intl

C$ 759

Find similar

TAP AIR PORTUGAL flights from Region of Ontario to London

Our best TAP AIR PORTUGAL deals on Region of Ontario to London flight tickets

TAP AIR PORTUGAL

12 Jan

YYZ10:45 p.m.Toronto Pearson Intl

17h 50m

1 stop

LHR9:35 p.m.London Heathrow

19 Jan

LHR6:00 a.m.London Heathrow

20h 15m

1 stop

YYZ9:15 p.m.Toronto Pearson Intl

C$ 749

Find similar

TAP AIR PORTUGAL

12 Jan

YYZ10:45 p.m.Toronto Pearson Intl

13h 45m

1 stop

LHR5:30 p.m.London Heathrow

19 Jan

LHR1:40 p.m.London Heathrow

30h 40m

1 stop

YYZ3:20 p.m.Toronto Pearson Intl

C$ 753

Find similar

TAP AIR PORTUGAL

2 Dec

YYZ5:35 p.m.Toronto Pearson Intl

14h 05m

1 stop

LHR12:40 p.m.London Heathrow

11 Dec

LHR6:00 a.m.London Heathrow

13h 45m

1 stop

YYZ2:45 p.m.Toronto Pearson Intl

C$ 755

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sat 17/1

7:40 p.m.-7:30 p.m.

1 stop18h 50m

London Heathrow

Sun 1/2

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

1 stop11h 00m

C$ 746

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 24/1

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

Nonstop7h 10m

London Gatwick

Mon 26/1

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

Nonstop8h 20m

C$ 746

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 12/1

10:45 p.m.-9:35 p.m.

1 stop17h 50m

London Heathrow

Mon 19/1

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

1 stop20h 15m

C$ 749

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Wed 28/1

5:15 p.m.-7:05 p.m.

2 stops20h 50m

London Gatwick

Tue 3/2

8:15 p.m.-2:45 p.m.

2 stops23h 30m

C$ 752

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 12/1

10:45 p.m.-5:30 p.m.

1 stop13h 45m

London Heathrow

Mon 19/1

1:40 p.m.-3:20 p.m.

1 stop30h 40m

C$ 753

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Fri 14/11

7:35 p.m.-8:10 p.m.

1 stop19h 35m

London Luton

Sat 22/11

9:00 p.m.-11:15 a.m.

1 stop19h 15m

C$ 753

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 30/11

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

Nonstop7h 20m

London Heathrow

Tue 9/12

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

1 stop12h 05m

C$ 772

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 18/11

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

Nonstop7h 20m

London Heathrow

Wed 26/11

9:00 a.m.-4:10 p.m.

1 stop12h 10m

C$ 786

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 9/1

5:25 p.m.-9:05 a.m.

1 stop10h 40m

London Heathrow

Mon 26/1

8:50 a.m.-3:55 p.m.

1 stop12h 05m

C$ 791

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 26/11

5:25 p.m.-9:05 a.m.

1 stop10h 40m

London Heathrow

Wed 3/12

7:50 a.m.-3:55 p.m.

1 stop13h 05m

C$ 804

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$ 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$ 1,291.

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$ 1,356 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$ 945 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$ 439
Fastest flight time	6h 35m
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$ 439. The best round-trip flight deal from Region of Ontario to London found on momondo in the last 72 hours is C$ 800.

The fastest flight from Region of Ontario to London takes 6h 35m

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 (21.29% of total bookings). The next most popular plane models are Airbus A321neo (15.34%), Boeing 777-300ER (14.55%), and Boeing 777 (14.10%).

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 3,154 reviews	Search WestJet flights
Lufthansa	PriceFrom C$ 438	Free Cancellation	Rating 6.8 7,555 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 7.8 470 reviews	Search Air Transat flights
TAP AIR PORTUGAL	PriceFrom C$ 614	Free Cancellation	Rating 7.1 2,046 reviews	Search TAP AIR PORTUGAL flights
Porter Airlines	PriceFrom C$ 642	Free Cancellation	Rating 8.0 387 reviews	Search Porter Airlines flights
Icelandair	PriceFrom C$ 657	Free Cancellation	Rating 7.1 571 reviews	Search Icelandair flights
Air Canada	PriceFrom C$ 723	Free Cancellation	Rating 7.1 10,412 reviews	Search Air Canada flights
KLM	PriceFrom C$ 725	Free Cancellation	Rating 7.7 1,405 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 6/12

Sat 13/12

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Popular Cities in the United Kingdom

Flights to Edinburghfrom C$ 718

Flights to Manchesterfrom C$ 719

Flights to Glasgowfrom C$ 710

Flights to Birminghamfrom C$ 758

Flights to Newcastle upon Tynefrom C$ 842

Flights to Belfastfrom C$ 846

Flights to Bristolfrom C$ 1,066

Flights to Aberdeenfrom C$ 958

Flights to Leedsfrom C$ 662

Flights to Liverpoolfrom C$ 822

Flights to Invernessfrom C$ 749

Flights to Cardifffrom C$ 999

Cheap flights from Ontario to London from C$ 340

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 23/1. 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

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ontario to London

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Icelandair flights from Region of Ontario to London

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

TAP AIR PORTUGAL flights from Region of Ontario to London

Our best TAP AIR PORTUGAL deals on Region of Ontario to London flight tickets

momondo Fare Finder

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$ 1,356 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 Scandinavian Airlines 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?

41 flights are operational daily from Region of Ontario to London as of November 2025. The most popular departure time for this route is 11:00p.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 287 per week as of November 2025. The most frequent departure day is Wed, with 17% 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