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

Icelandair, United Airlines, and Lufthansa 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 62% 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 July 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$ 485 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?

45 flights are operational daily from London Heathrow Airport to Region of Ontario as of July 2026. The most popular departure time for this route is 5:00p.m., with 84% 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?

316 flights are operational weekly from London Heathrow Airport to Region of Ontario as of July 2026. The most popular departure day for this route is Sat, with 18% 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.

1:30 p.m. - 7:25 p.m.

LHR

YUL

10h 55m

1 stop

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

YUL

LHR

6h 50mdirect

C$ 759Lufthansa

Wed, 2 Sep - Sun, 13 Sep

7:25 a.m. - 2:55 p.m.

LHR

YYZ

12h 30m

1 stop

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

YYZ

LHR

7h 00mdirect

C$ 761Lufthansa

Fri, 11 Sep - Sun, 20 Sep

9:30 a.m. - 6:20 p.m.

LHR

YTZ

13h 50m

1 stop

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

YTZ

LHR

15h 10m

1 stop

C$ 761Air Canada

Mon, 7 Sep - Mon, 14 Sep

8:40 a.m. - 3:00 p.m.

LHR

YUL

11h 20m

1 stop

6:40 p.m. - 6:30 a.m.

YUL

LHR

6h 50mdirect

C$ 761Multiple Airlines

Fri, 4 Sep - Fri, 18 Sep

2:05 p.m. - 4:40 p.m.

LHR

YUL

7h 35mdirect

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

YUL

LHR

31h 00m

1 stop

C$ 762Air Canada

Thu, 27 Aug - Sat, 5 Sep

7:25 a.m. - 2:55 p.m.

LHR

YYZ

12h 30m

1 stop

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

YYZ

LHR

7h 00mdirect

C$ 762Lufthansa

Wed, 9 Sep - Tue, 22 Sep

7:40 a.m. - 3:50 p.m.

LHR

YYZ

13h 10m

1 stop

10:15 p.m. - 10:30 a.m.

YYZ

LHR

7h 15mdirect

C$ 763British Airways

Fri, 28 Aug - Sun, 13 Sep

8:55 a.m. - 5:51 p.m.

LHR

YTZ

13h 56m

2 stops

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

YTZ

LHR

29h 00m

1 stop

C$ 763Multiple Airlines

Fri, 28 Aug - Fri, 4 Sep

7:40 a.m. - 3:50 p.m.

LHR

YYZ

13h 10m

1 stop

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

YYZ

LHR

7h 10mdirect

C$ 765British Airways

Thu, 3 Sep - Sun, 6 Sep

6:30 a.m. - 4:55 p.m.

LHR

YUL

15h 25m

1 stop

5:00 p.m. - 10:30 a.m.

YUL

LHR

12h 30m

1 stop

C$ 769Virgin Atlantic

Fri, 28 Aug - Sun, 6 Sep

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Air Canada flights from London Heathrow Airport to Region of Ontario

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

Air Canada

7 Sep

LHR9:30 a.m.London Heathrow

13h 50m

1 stop

YTZ6:20 p.m.Toronto Island

14 Sep

YTZ10:20 a.m.Toronto Island

15h 10m

1 stop

LHR6:30 a.m.London Heathrow

C$ 761

Air Canada

27 Aug

LHR2:05 p.m.London Heathrow

7h 35m

YUL4:40 p.m.Montreal Pierre Elliott Trudeau Intl

5 Sep

YUL9:00 a.m.Montreal Pierre Elliott Trudeau Intl

31h 00m

1 stop

LHR9:00 p.m.London Heathrow

C$ 762

Air Canada

27 Aug

LHR6:50 a.m.London Heathrow

13h 32m

2 stops

YUL3:22 p.m.Montreal Pierre Elliott Trudeau Intl

2 Sep

YUL6:40 p.m.Montreal Pierre Elliott Trudeau Intl

6h 50m

LHR6:30 a.m.London Heathrow

C$ 763

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

1 Sep

LHR1:05 p.m.London Heathrow

14h 00m

1 stop

YYZ10:05 p.m.Toronto Pearson Intl

25 Sep

YYZ8:45 p.m.Toronto Pearson Intl

10h 10m

1 stop

LHR11:55 a.m.London Heathrow

C$ 785

Icelandair

1 Sep

LHR9:25 p.m.London Heathrow

29h 40m

1 stop

YYZ10:05 p.m.Toronto Pearson Intl

16 Sep

YYZ8:45 p.m.Toronto Pearson Intl

10h 10m

1 stop

LHR11:55 a.m.London Heathrow

C$ 790

Icelandair

6 Jan

LHR12:15 p.m.London Heathrow

11h 00m

1 stop

YYZ6:15 p.m.Toronto Pearson Intl

4 May

YYZ8:45 p.m.Toronto Pearson Intl

10h 10m

1 stop

LHR11:55 a.m.London Heathrow

C$ 821

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

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 2/9

1:30 p.m.-7:25 p.m.

1 stop10h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

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

Nonstop6h 50m

C$ 759

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 11/9

7:25 a.m.-2:55 p.m.

1 stop12h 30m

Toronto Pearson Intl

Sun 20/9

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

Nonstop7h 00m

C$ 761

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Mon 7/9

9:30 a.m.-6:20 p.m.

1 stop13h 50m

Toronto Island

Mon 14/9

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

1 stop15h 10m

C$ 761

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 4/9

8:40 a.m.-3:00 p.m.

1 stop11h 20m

Montreal Pierre Elliott Trudeau Intl

Fri 18/9

6:40 p.m.-6:30 a.m.

Nonstop6h 50m

C$ 761

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 27/8

2:05 p.m.-4:40 p.m.

Nonstop7h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

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

1 stop31h 00m

C$ 762

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 9/9

7:25 a.m.-2:55 p.m.

1 stop12h 30m

Toronto Pearson Intl

Tue 22/9

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

Nonstop7h 00m

C$ 762

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 28/8

7:40 a.m.-3:50 p.m.

1 stop13h 10m

Toronto Pearson Intl

Sun 13/9

10:15 p.m.-10:30 a.m.

Nonstop7h 15m

C$ 763

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Fri 28/8

8:55 a.m.-5:51 p.m.

2 stops13h 56m

Toronto Island

Fri 4/9

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

1 stop29h 00m

C$ 763

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 3/9

7:40 a.m.-3:50 p.m.

1 stop13h 10m

Toronto Pearson Intl

Sun 6/9

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

Nonstop7h 10m

C$ 765

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 28/8

6:30 a.m.-4:55 p.m.

1 stop15h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

5:00 p.m.-10:30 a.m.

1 stop12h 30m

C$ 769

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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$ 782. 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$ 801.

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 Tuesday. Travellers who choose to depart for Region of Ontario on a Tuesday will often find tickets for as low as C$ 997. The most expensive day to fly to Region of Ontario is Saturday, with ticket prices averaging around C$ 1,081.

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 at noon. Flights from London Heathrow Airport to Region of Ontario during this time can be as low as C$ 993. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 1,043 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 Ottawa 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$ 951 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$ 939 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 36% 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$ 619
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$ 619. The best round-trip flight deal from London Heathrow Airport to Region of Ontario found on momondo in the last 72 hours is C$ 775.

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 July 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 30.95% of all bookings. The subsequent popular models are Airbus A330-200 at 16.07%, Airbus A321neo at 15.09%, and Boeing 787-10 Dreamliner at 6.77%.

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$ 448	Free Cancellation	Rating 7.3 1,677 reviews	Search Aer Lingus flights
Icelandair	PriceFrom C$ 625	Free Cancellation	Rating 7.0 716 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom C$ 639	Free Cancellation	Rating 7.2 2,347 reviews	Search TAP AIR PORTUGAL flights
British Airways	PriceFrom C$ 651	Free Cancellation	Rating 6.7 8,131 reviews	Search British Airways flights
Delta	PriceFrom C$ 671	Free Cancellation	Rating 7.8 8,487 reviews	Search Delta flights
KLM	PriceFrom C$ 686	Free Cancellation	Rating 7.8 1,545 reviews	Search KLM flights
Air Canada	PriceFrom C$ 689	Free Cancellation	Rating 7.1 11,385 reviews	Search Air Canada flights
Lufthansa	PriceFrom C$ 697	Free Cancellation	Rating 6.8 8,157 reviews	Search Lufthansa flights
United Airlines	PriceFrom C$ 742	Free Cancellation	Rating 7.4 10,033 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom C$ 754	Free Cancellation	Rating 7.5 695 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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Complete your trip

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Popular Cities in Ontario

Flights to Torontofrom C$ 138

Flights to Vancouverfrom C$ 87

Flights to Montrealfrom C$ 241

Flights to Calgaryfrom C$ 118

Flights to Winnipegfrom C$ 146

Flights to Ottawafrom C$ 185

Flights to Halifaxfrom C$ 141

Flights to Kelownafrom C$ 124

Flights to Saskatoonfrom C$ 190

Flights to St. John'sfrom C$ 258

Flights to Reginafrom C$ 196

Flights to Vancouverfrom C$ 87

Cheap flights from London Heathrow Airport to Ontario from C$ 489

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Ontario departing on 9/9. 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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Air Canada flights from London Heathrow Airport to Region of Ontario

Our best Air Canada 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 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

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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