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

Air Canada, United Airlines, and KLM 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 59% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 10 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 June 2026, there are 10 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$ 449 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 day?

52 flights are operational daily from London Heathrow Airport to Region of Ontario as of June 2026. The most popular departure time for this route is 5:00p.m., with 82% of flights per day taking off in the afternoon.

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

365 flights are operational weekly from London Heathrow Airport to Region of Ontario as of June 2026. The most popular departure day for this route is Sat, with 16% of flights per week taking off on this day.

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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.

12:40 p.m. - 6:53 p.m.

LHR

YOW

11h 13m

1 stop

6:55 p.m. - 6:30 a.m.

YOW

LHR

6h 35mdirect

C$ 716Air Canada

Fri, 19 Jun - Mon, 22 Jun

12:40 p.m. - 6:40 p.m.

LHR

YOW

11h 00m

1 stop

2:35 p.m. - 6:30 a.m.

YOW

LHR

10h 55m

1 stop

C$ 721Air Canada

Sun, 13 Sep - Sat, 19 Sep

6:50 a.m. - 6:53 p.m.

LHR

YOW

17h 03m

2 stops

5:30 p.m. - 9:00 p.m.

YOW

LHR

22h 30m

1 stop

C$ 725Air Canada

Fri, 19 Jun - Mon, 22 Jun

12:40 p.m. - 6:53 p.m.

LHR

YOW

11h 13m

1 stop

8:05 p.m. - 11:50 a.m.

YOW

LHR

10h 45m

1 stop

C$ 728Air Canada

Fri, 19 Jun - Mon, 22 Jun

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

LHR

YOW

18h 40m

2 stops

2:35 p.m. - 6:30 a.m.

YOW

LHR

10h 55m

1 stop

C$ 737Lufthansa

Fri, 11 Sep - Tue, 15 Sep

6:00 a.m. - 12:50 p.m.

LHR

YYZ

11h 50m

1 stop

8:05 p.m. - 1:00 p.m.

YYZ

LHR

11h 55m

1 stop

C$ 790SWISS

Tue, 6 Oct - Sun, 11 Oct

7:00 a.m. - 5:51 p.m.

LHR

YTZ

15h 51m

2 stops

8:55 p.m. - 6:30 a.m.

YTZ

LHR

28h 35m

1 stop

C$ 790Multiple Airlines

Wed, 24 Jun - Wed, 1 Jul

7:00 a.m. - 5:51 p.m.

LHR

YTZ

15h 51m

2 stops

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

YTZ

LHR

14h 45m

1 stop

C$ 793Multiple Airlines

Fri, 28 Aug - Tue, 8 Sep

9:30 a.m. - 3:08 p.m.

LHR

YYZ

10h 38m

1 stop

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

YYZ

LHR

7h 00mdirect

C$ 801Lufthansa

Thu, 9 Jul - Tue, 14 Jul

6:50 a.m. - 3:45 p.m.

LHR

YUL

13h 55m

2 stops

6:25 p.m. - 9:35 p.m.

YUL

LHR

22h 10m

1 stop

C$ 867Brussels Airlines

Thu, 18 Jun - Thu, 25 Jun

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SWISS flights from London Heathrow Airport to Region of Ontario

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

SWISS

13 Jun

LHR7:00 a.m.London Heathrow

18h 56m

2 stops

YOW8:56 p.m.Ottawa

17 Jun

YOW5:50 p.m.Ottawa

17h 45m

2 stops

LHR4:35 p.m.London Heathrow

C$ 761

SWISS

6 Oct

LHR6:00 a.m.London Heathrow

11h 50m

1 stop

YYZ12:50 p.m.Toronto Pearson Intl

11 Oct

YYZ8:05 p.m.Toronto Pearson Intl

11h 55m

1 stop

LHR1:00 p.m.London Heathrow

C$ 790

SWISS

15 Jun

LHR6:00 a.m.London Heathrow

15h 10m

1 stop

YYZ4:10 p.m.Toronto Pearson Intl

18 Jul

YYZ4:05 p.m.Toronto Pearson Intl

33h 25m

2 stops

LHR6:30 a.m.London Heathrow

C$ 797

British Airways flights from London Heathrow Airport to Region of Ontario

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

British Airways

15 Jun

LHR8:10 p.m.London Heathrow

24h 40m

1 stop

YYZ3:50 p.m.Toronto Pearson Intl

13 Jul

YYZ11:40 p.m.Toronto Pearson Intl

12h 25m

1 stop

LHR5:05 p.m.London Heathrow

C$ 810

British Airways

1 Jul

LHR7:40 a.m.London Heathrow

13h 10m

1 stop

YYZ3:50 p.m.Toronto Pearson Intl

13 Jul

YYZ6:05 p.m.Toronto Pearson Intl

7h 10m

LHR6:15 a.m.London Heathrow

C$ 811

British Airways

12 Jul

LHR6:20 a.m.London Heathrow

14h 30m

1 stop

YYZ3:50 p.m.Toronto Pearson Intl

1 Aug

YYZ10:00 p.m.Toronto Pearson Intl

7h 15m

LHR10:15 a.m.London Heathrow

C$ 813

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

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 19/6

12:40 p.m.-6:53 p.m.

1 stop11h 13m

Ottawa

Mon 22/6

6:55 p.m.-6:30 a.m.

Nonstop6h 35m

C$ 716

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 13/9

12:40 p.m.-6:40 p.m.

1 stop11h 00m

Ottawa

Sat 19/9

2:35 p.m.-6:30 a.m.

1 stop10h 55m

C$ 721

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 19/6

6:50 a.m.-6:53 p.m.

2 stops17h 03m

Ottawa

Mon 22/6

5:30 p.m.-9:00 p.m.

1 stop22h 30m

C$ 725

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 19/6

12:40 p.m.-6:53 p.m.

1 stop11h 13m

Ottawa

Mon 22/6

8:05 p.m.-11:50 a.m.

1 stop10h 45m

C$ 728

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 11/9

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

2 stops18h 40m

Ottawa

Tue 15/9

2:35 p.m.-6:30 a.m.

1 stop10h 55m

C$ 737

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 6/10

6:00 a.m.-12:50 p.m.

1 stop11h 50m

Toronto Pearson Intl

Sun 11/10

8:05 p.m.-1:00 p.m.

1 stop11h 55m

C$ 790

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Wed 24/6

7:00 a.m.-5:51 p.m.

2 stops15h 51m

Toronto Island

Wed 1/7

8:55 p.m.-6:30 a.m.

1 stop28h 35m

C$ 790

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Fri 28/8

7:00 a.m.-5:51 p.m.

2 stops15h 51m

Toronto Island

Tue 8/9

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

1 stop14h 45m

C$ 793

Quickest round-trip

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 9/7

9:30 a.m.-3:08 p.m.

1 stop10h 38m

Toronto Pearson Intl

Tue 14/7

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

Nonstop7h 00m

C$ 801

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 18/6

6:50 a.m.-3:45 p.m.

2 stops13h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 25/6

6:25 p.m.-9:35 p.m.

1 stop22h 10m

C$ 867

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 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, February 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$ 714. If you are unable to visit Region of Ontario during the month of February, then departing from London Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around C$ 723.

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$ 971. The most expensive day to fly to Region of Ontario is Saturday, with ticket prices averaging around C$ 1,106.

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$ 962. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 1,028 on average. Flights to Region of Ontario from London Heathrow Airport in the afternoon 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 from London Heathrow Airport to 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$ 902 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$ 854 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow Airport to Region of 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 1% 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$ 696
Fastest flight time	7h 10m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from London Heathrow Airport in the past 72 hours is C$ 696. The best round-trip flight deal from London Heathrow Airport to Region of Ontario found on momondo in the last 72 hours is C$ 1,037.

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 125 airports in Region of Ontario. From London Heathrow Airport there are direct flights to Ottawa (YOW), Montreal Pierre Elliott Trudeau Intl (YUL).

Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Ontario

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 June 2026, there are 10 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 30.30% of all bookings. The subsequent popular models are Airbus A321neo at 13.78%, Airbus A330-200 at 10.73%, and Airbus A330-300 at 8.18%.

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$ 523	Free Cancellation	Rating 7.3 1,600 reviews	Search Aer Lingus flights
Lufthansa	PriceFrom C$ 566	Free Cancellation	Rating 6.8 8,048 reviews	Search Lufthansa flights
Icelandair	PriceFrom C$ 618	Free Cancellation	Rating 7.0 670 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom C$ 632	Free Cancellation	Rating 7.2 2,275 reviews	Search TAP AIR PORTUGAL flights
British Airways	PriceFrom C$ 651	Free Cancellation	Rating 6.7 8,031 reviews	Search British Airways flights
Air Canada	PriceFrom C$ 662	Free Cancellation	Rating 7.1 11,149 reviews	Search Air Canada flights
Delta	PriceFrom C$ 664	Free Cancellation	Rating 7.9 8,395 reviews	Search Delta flights
American Airlines	PriceFrom C$ 718	Free Cancellation	Rating 7.1 11,645 reviews	Search American Airlines flights
United Airlines	PriceFrom C$ 734	Free Cancellation	Rating 7.4 9,794 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom C$ 746	Free Cancellation	Rating 7.5 689 reviews	Search Virgin Atlantic 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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Popular cities

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Complete your trip

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Popular Cities in Ontario

Flights to Torontofrom C$ 139

Flights to Vancouverfrom C$ 107

Flights to Montrealfrom C$ 201

Flights to Calgaryfrom C$ 141

Flights to Winnipegfrom C$ 159

Flights to Ottawafrom C$ 269

Flights to Halifaxfrom C$ 171

Flights to Kelownafrom C$ 127

Flights to Saskatoonfrom C$ 226

Flights to Reginafrom C$ 256

Flights to St. John'sfrom C$ 280

Flights to Québec Cityfrom C$ 337

Cheap flights from London Heathrow Airport to Ontario from C$ 449

Find the cheapest flights from London Heathrow Airport to Ontario

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SWISS flights from London Heathrow Airport to Region of Ontario

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

British Airways flights from London Heathrow Airport to Region of Ontario

Our best British Airways 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 from London Heathrow Airport to Ontario?

What cabin class options are available on London Heathrow Airport to Region of 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

Frequently asked questions about flying from London Heathrow Airport to 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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According to popular flight searches on momondo this year