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

Icelandair, British Airways, and Delta are the most popular carriers operating from London Heathrow to Ontario

Which airlines fly to Region of Ontario?

Air Canada, Lufthansa and British Airways are the top three most popular airlines that fly to Region of Ontario from London Heathrow Airport according to our data. Air Canada is the first choice among our users, with 57% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 12 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from London Heathrow Airport to Ontario are updated daily.

How many operators does momondo search for flights from London Heathrow Airport to Ontario?

As of March 2026, there are 12 operators available to choose from for flights from London Heathrow Airport to Ontario.

How old do you have to be to fly from London Heathrow Airport to Ontario?

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 London Heathrow Airport to Ontario.

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

The travel and health documents required for your trip to Ontario 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 Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 451 Cheap Flights from London Heathrow Airport to Region of Ontario in 2026

Q: How many flights depart from London Heathrow Airport to Region of Ontario on average per week?

167 flights are operational weekly from London Heathrow Airport to Region of Ontario as of March 2026. The most popular departure day for this route is Fri, with 29% of flights per week taking off on this day.

Q: How many flights depart from London Heathrow Airport to Region of Ontario on average per day?

23 flights are operational daily from London Heathrow Airport to Region of Ontario as of March 2026. The most popular departure time for this route is 11:00a.m., with 43% of flights per day taking off at noon.

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Find the cheapest flights from London Heathrow Airport to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:25 p.m. - 9:35 p.m.

LHR

YTZ

12h 10m

1 stop

3:35 p.m. - 6:30 a.m.

YTZ

LHR

9h 55m

1 stop

C$ 622Air Canada

Mon, 16 Mar - Mon, 30 Mar

9:10 a.m. - 5:49 p.m.

LHR

YYZ

12h 39m

1 stop

2:45 p.m. - 11:45 a.m.

YYZ

LHR

16h 00m

1 stop

C$ 639United Airlines

Wed, 18 Mar - Mon, 30 Mar

6:45 p.m. - 2:00 p.m.

LHR

YYZ

24h 15m

1 stop

5:35 p.m. - 10:55 p.m.

YYZ

LHR

24h 20m

1 stop

C$ 652TAP AIR PORTUGAL

Tue, 5 May - Tue, 19 May

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

LHR

YYZ

11h 05m

1 stop

11:10 p.m. - 11:55 a.m.

YYZ

LHR

31h 45m

1 stop

C$ 663Icelandair

Thu, 14 May - Tue, 19 May

1:25 p.m. - 9:35 p.m.

LHR

YTZ

12h 10m

1 stop

4:30 p.m. - 10:00 a.m.

YTZ

LHR

12h 30m

1 stop

C$ 663Air Canada

Wed, 18 Mar - Tue, 31 Mar

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

LHR

YYZ

14h 00m

1 stop

8:45 p.m. - 8:20 p.m.

YYZ

LHR

18h 35m

1 stop

C$ 664Icelandair

Wed, 6 May - Sat, 9 May

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

LHR

YUL

17h 45m

1 stop

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

YUL

LHR

14h 00m

1 stop

C$ 697TAP AIR PORTUGAL

Wed, 3 Jun - Mon, 8 Jun

4:40 p.m. - 12:13 a.m.

LHR

YUL

12h 33m

1 stop

6:35 p.m. - 10:40 a.m.

YUL

LHR

11h 05m

1 stop

C$ 710United Airlines

Tue, 31 Mar - Sun, 5 Apr

6:55 a.m. - 9:19 p.m.

LHR

YXU

19h 24m

2 stops

5:40 p.m. - 9:35 a.m.

YXU

LHR

10h 55m

1 stop

C$ 980Lufthansa

Fri, 17 Apr - Fri, 24 Apr

6:55 a.m. - 5:04 p.m.

LHR

YXU

15h 09m

2 stops

5:40 p.m. - 11:50 a.m.

YXU

LHR

13h 10m

1 stop

C$ 981Lufthansa

Fri, 17 Apr - Fri, 24 Apr

Scandinavian Airlines flights from London Heathrow Airport to Region of Ontario

Our best Scandinavian Airlines deals on London Heathrow Airport to Region of Ontario flight tickets

Scandinavian Airlines

27 Apr

LHR7:30 p.m.London Heathrow

25h 10m

1 stop

YYZ3:40 p.m.Toronto Pearson Intl

19 May

YYZ5:10 p.m.Toronto Pearson Intl

19h 30m

1 stop

LHR5:40 p.m.London Heathrow

C$ 650

Scandinavian Airlines

4 May

LHR7:30 p.m.London Heathrow

25h 10m

1 stop

YYZ3:40 p.m.Toronto Pearson Intl

18 May

YYZ5:10 p.m.Toronto Pearson Intl

17h 50m

1 stop

LHR4:00 p.m.London Heathrow

C$ 665

Scandinavian Airlines

27 Apr

LHR5:00 p.m.London Heathrow

27h 40m

1 stop

YYZ3:40 p.m.Toronto Pearson Intl

21 May

YYZ5:10 p.m.Toronto Pearson Intl

19h 30m

1 stop

LHR5:40 p.m.London Heathrow

C$ 668

Icelandair flights from London Heathrow Airport to Region of Ontario

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

Icelandair

21 Apr

LHR9:25 p.m.London Heathrow

26h 45m

1 stop

YYZ7:10 p.m.Toronto Pearson Intl

28 Apr

YYZ8:45 p.m.Toronto Pearson Intl

10h 10m

1 stop

LHR11:55 a.m.London Heathrow

C$ 661

Icelandair

14 May

LHR1:05 p.m.London Heathrow

11h 05m

1 stop

YYZ7:10 p.m.Toronto Pearson Intl

19 May

YYZ11:10 p.m.Toronto Pearson Intl

31h 45m

1 stop

LHR11:55 a.m.London Heathrow

C$ 662

Icelandair

6 May

LHR1:05 p.m.London Heathrow

14h 00m

1 stop

YYZ10:05 p.m.Toronto Pearson Intl

9 May

YYZ8:45 p.m.Toronto Pearson Intl

18h 35m

1 stop

LHR8:20 p.m.London Heathrow

C$ 664

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Mon 16/3

1:25 p.m.-9:35 p.m.

1 stop12h 10m

Toronto Island

Mon 30/3

3:35 p.m.-6:30 a.m.

1 stop9h 55m

C$ 622

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 18/3

9:10 a.m.-5:49 p.m.

1 stop12h 39m

Toronto Pearson Intl

Mon 30/3

2:45 p.m.-11:45 a.m.

1 stop16h 00m

C$ 639

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 5/5

6:45 p.m.-2:00 p.m.

1 stop24h 15m

Toronto Pearson Intl

Tue 19/5

5:35 p.m.-10:55 p.m.

1 stop24h 20m

C$ 652

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 14/5

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

1 stop11h 05m

Toronto Pearson Intl

Tue 19/5

11:10 p.m.-11:55 a.m.

1 stop31h 45m

C$ 662

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Wed 18/3

1:25 p.m.-9:35 p.m.

1 stop12h 10m

Toronto Island

Tue 31/3

4:30 p.m.-10:00 a.m.

1 stop12h 30m

C$ 662

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 6/5

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

1 stop14h 00m

Toronto Pearson Intl

Sat 9/5

8:45 p.m.-8:20 p.m.

1 stop18h 35m

C$ 664

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 3/6

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

1 stop17h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

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

1 stop14h 00m

C$ 697

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 31/3

4:40 p.m.-12:13 a.m.

1 stop12h 33m

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

6:35 p.m.-10:40 a.m.

1 stop11h 05m

C$ 710

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 17/4

6:55 a.m.-9:19 p.m.

2 stops19h 24m

London

Fri 24/4

5:40 p.m.-9:35 a.m.

1 stop10h 55m

C$ 980

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 17/4

6:55 a.m.-5:04 p.m.

2 stops15h 09m

London

Fri 24/4

5:40 p.m.-11:50 a.m.

1 stop13h 10m

C$ 981

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Showing 1-10 of 20 resultsSorted by cheapest first

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

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 Region of Ontario?

In general, September is the cheapest month to fly from London Heathrow Airport to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 707. If you are unable to visit Region of Ontario during the month of September, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around C$ 720.

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from London Heathrow Airport to Region of Ontario is on a Friday. Travellers who choose to depart for Region of Ontario on a Friday will often find tickets for as low as C$ 823. The most expensive day to fly to Region of Ontario is Saturday, with ticket prices averaging around C$ 932.

What is the cheapest time of day to depart on your flight to Region of Ontario?

Our most recent data shows that the best time of day to fly to Region of Ontario is in the morning. Flights from London Heathrow Airport to Region of Ontario during this time can be as low as C$ 845. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 925 on average. Flights to Region of Ontario from London Heathrow Airport at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest London Heathrow to Ontario flight route?

Fly from London Heathrow to Toronto Pearson Intl for the best London Heathrow - Ontario flight prices

How far in advance should I book a flight to Region of Ontario?

You are more likely to see cheaper flights to Region of Ontario from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 843 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from London Heathrow Airport for as low as C$ 765 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow to Ontario 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 London Heathrow Airport to Region of Ontario flights?

You could potentially save up to 3% on your flight if you consider stops on a London Heathrow Airport to Region of Ontario flight.

Cheap London Heathrow Airport to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Region of Ontario

Best price found	C$ 628
Fastest flight time	7h 10m
Direct flights	Every day
Airports in Region of Ontario	123 airports

The best one-way flight to Region of Ontario from London Heathrow Airport in the past 72 hours is C$ 628. The best round-trip flight deal from London Heathrow Airport to Region of Ontario found on momondo in the last 72 hours is C$ 724.

The fastest flight from London Heathrow Airport to Region of Ontario takes 7h 10m

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

There are 123 airports in Region of Ontario. From London Heathrow Airport there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL).

Search flight deals

When did momondo last update prices for flights from London Heathrow Airport to Ontario?
Prices for flights from London Heathrow Airport to Ontario are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Ontario?
As of March 2026, there are 12 operators available to choose from for flights from London Heathrow Airport to Ontario.
How old do you have to be to fly from London Heathrow Airport to Ontario?
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 London Heathrow Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents required for your trip to Ontario 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 Ontario. 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 London Heathrow Airport to Region of Ontario?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Region of Ontario is Airbus A350-1000, representing 24.75% of all bookings. The subsequent popular models are Boeing 777 at 13.88%, Airbus A321neo at 11.09%, and Airbus A330-200 at 9.24%.

Best airlines flying from London Heathrow Airport to Region of Ontario

Compare and see reviews for airlines that fly from London Heathrow Airport to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom C$ 434	Free Cancellation	Rating 7.2 1,471 reviews	Search Aer Lingus flights
Icelandair	PriceFrom C$ 539	Free Cancellation	Rating 7.1 617 reviews	Search Icelandair flights
Lufthansa	PriceFrom C$ 555	Free Cancellation	Rating 6.8 7,833 reviews	Search Lufthansa flights
Air Transat	PriceFrom C$ 592	Free Cancellation	Rating 7.7 519 reviews	Search Air Transat flights
TAP AIR PORTUGAL	PriceFrom C$ 618	Free Cancellation	Rating 7.1 2,163 reviews	Search TAP AIR PORTUGAL flights
British Airways	PriceFrom C$ 636	Free Cancellation	Rating 6.7 7,778 reviews	Search British Airways flights
Air Canada	PriceFrom C$ 644	Free Cancellation	Rating 7.1 10,789 reviews	Search Air Canada flights
Delta	PriceFrom C$ 650	Free Cancellation	Rating 7.9 8,270 reviews	Search Delta flights
Virgin Atlantic	PriceFrom C$ 698	Free Cancellation	Rating 7.5 680 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom C$ 718	Free Cancellation	Rating 7.4 9,404 reviews	Search United Airlines flights

Why use momondo?

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

It is quick and easy to find London to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

Yes. momondo allows you to filter the results for London to Ontario flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from London.

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

If you are not ready to book a flight from London to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

An easier way to manage your Region of Ontario trip

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Find better results for your trip to Ontario

Popular cities

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Other flights to Ontario

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Complete your trip

Feeling lucky

Popular Cities in Ontario

Flights to Torontofrom C$ 134

Flights to Vancouverfrom C$ 68

Flights to Montrealfrom C$ 225

Flights to Calgaryfrom C$ 101

Flights to Ottawafrom C$ 211

Flights to Winnipegfrom C$ 128

Flights to Halifaxfrom C$ 149

Flights to Kelownafrom C$ 87

Flights to Saskatoonfrom C$ 158

Flights to Reginafrom C$ 149

Flights to St. John'sfrom C$ 248

Flights to Québec Cityfrom C$ 296

Cheap flights from London Heathrow Airport to Ontario from C$ 435

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Find the cheapest flights from London Heathrow Airport to Ontario

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Cheap one-way flights

Cheap last-minute flights

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Scandinavian Airlines flights from London Heathrow Airport to Region of Ontario

Our best Scandinavian Airlines deals on London Heathrow Airport to Region of Ontario flight tickets

Icelandair flights from London Heathrow Airport to Region of Ontario

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

momondo Fare Finder

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

See travel insights to Ontario from

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

What is the cheapest month to fly to Region of Ontario?

What is the cheapest day to depart on your flight to Region of Ontario?

What is the cheapest time of day to depart on your flight to Region of Ontario?

What is the cheapest London Heathrow to Ontario flight route?

How far in advance should I book a flight to Region of Ontario?

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

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

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

Which airlines fly to Region of Ontario?

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

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

Cheap London Heathrow Airport to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Region of Ontario

Best price found

Fastest flight time

Direct flights

Airports in Region of Ontario

Best airlines flying from London Heathrow Airport to Region of Ontario

Compare and see reviews for airlines that fly from London Heathrow Airport to Region of Ontario with momondo

Why use momondo?

An easier way to manage your Region of Ontario 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 Ontario

Popular Cities in Ontario

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

London Heathrow Airport flight routes

According to popular flight searches on momondo this year

Region of Ontario flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to Ontario

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Complete your trip to Ontario

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According to popular flight searches on momondo this year