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Cheap flights from London Heathrow Airport to Ontario from C$ 383

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 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.
1 adult

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Find the cheapest flights from London Heathrow Airport to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 a.m. - 1:50 p.m.
LHR
-
YYZ
12h 50m
1 stop
Multiple Airlines Logo
9:25 p.m. - 1:00 p.m.
YYZ
-
LHR
11h 35m
1 stop
C$ 615Multiple Airlines
Tue, 17 Feb - Tue, 10 Mar
Air Canada Logo
11:10 a.m. - 2:20 p.m.
LHR
-
YYZ
8h 10mdirect
Air Canada Logo
6:10 p.m. - 6:30 a.m.
YYZ
-
LHR
7h 20mdirect
C$ 616Air Canada
Tue, 10 Feb - Sun, 15 Feb
SWISS Logo
9:00 a.m. - 6:50 p.m.
LHR
-
YYZ
14h 50m
2 stops
SWISS Logo
8:25 p.m. - 1:00 p.m.
YYZ
-
LHR
11h 35m
1 stop
C$ 618SWISS
Tue, 17 Feb - Tue, 24 Feb
Icelandair Logo
12:15 p.m. - 6:15 p.m.
LHR
-
YYZ
11h 00m
1 stop
Icelandair Logo
11:10 p.m. - 8:20 p.m.
YYZ
-
LHR
16h 10m
1 stop
C$ 619Icelandair
Fri, 6 Mar - Wed, 6 May
Icelandair Logo
8:35 p.m. - 6:15 p.m.
LHR
-
YYZ
26h 40m
1 stop
Icelandair Logo
8:45 p.m. - 8:20 p.m.
YYZ
-
LHR
18h 35m
1 stop
C$ 621Icelandair
Fri, 6 Mar - Tue, 5 May
Lufthansa Logo
7:25 a.m. - 2:25 p.m.
LHR
-
YYZ
12h 00m
1 stop
Lufthansa Logo
8:15 p.m. - 8:35 a.m.
YYZ
-
LHR
7h 20mdirect
C$ 626Lufthansa
Tue, 21 Apr - Tue, 5 May
Lufthansa Logo
7:25 a.m. - 2:25 p.m.
LHR
-
YYZ
12h 00m
1 stop
Lufthansa Logo
4:05 p.m. - 6:30 a.m.
YYZ
-
LHR
9h 25m
1 stop
C$ 627Lufthansa
Tue, 28 Apr - Thu, 7 May
Virgin Atlantic Logo
7:20 p.m. - 4:10 p.m.
LHR
-
YOW
24h 50m
1 stop
Virgin Atlantic Logo
5:10 p.m. - 7:55 a.m.
YOW
-
LHR
9h 45m
1 stop
C$ 783Virgin Atlantic
Sat, 14 Mar - Sun, 5 Apr
United Airlines Logo
7:25 a.m. - 11:05 p.m.
LHR
-
YQT
20h 40m
2 stops
United Airlines Logo
5:00 a.m. - 10:25 a.m.
YQT
-
LHR
24h 25m
2 stops
C$ 990United Airlines
Wed, 4 Feb - Sun, 8 Feb
United Airlines Logo
7:25 a.m. - 11:05 p.m.
LHR
-
YQT
20h 40m
2 stops
United Airlines Logo
5:00 a.m. - 7:55 a.m.
YQT
-
LHR
21h 55m
2 stops
C$ 993United Airlines
Wed, 4 Feb - Sun, 8 Feb

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
6 Mar
LHR12:15 p.m.London Heathrow
11h 00m
1 stop
YYZ6:15 p.m.Toronto Pearson Intl
6 May
YYZ11:10 p.m.Toronto Pearson Intl
16h 10m
1 stop
LHR8:20 p.m.London Heathrow
C$ 619
Icelandair
6 Mar
LHR8:35 p.m.London Heathrow
26h 40m
1 stop
YYZ6:15 p.m.Toronto Pearson Intl
4 May
YYZ8:45 p.m.Toronto Pearson Intl
18h 35m
1 stop
LHR8:20 p.m.London Heathrow
C$ 621
Icelandair
3 May
LHR1:05 p.m.London Heathrow
11h 05m
1 stop
YYZ7:10 p.m.Toronto Pearson Intl
12 May
YYZ8:45 p.m.Toronto Pearson Intl
18h 35m
1 stop
LHR8:20 p.m.London Heathrow
C$ 623

Delta flights from London Heathrow Airport to Region of Ontario

Our best Delta deals on London Heathrow Airport to Region of Ontario flight tickets
Delta
7 Feb
LHR6:30 a.m.London Heathrow
17h 45m
1 stop
YYZ7:15 p.m.Toronto Pearson Intl
18 Feb
YYZ9:15 p.m.Toronto Pearson Intl
7h 20m
LHR9:35 a.m.London Heathrow
C$ 654
Delta
6 Mar
LHR2:45 p.m.London Heathrow
11h 00m
1 stop
YYZ8:45 p.m.Toronto Pearson Intl
18 May
YYZ11:05 p.m.Toronto Pearson Intl
7h 05m
LHR11:10 a.m.London Heathrow
C$ 657
Delta
6 Mar
LHR9:00 a.m.London Heathrow
16h 45m
1 stop
YYZ8:45 p.m.Toronto Pearson Intl
22 May
YYZ11:05 p.m.Toronto Pearson Intl
7h 05m
LHR11:10 a.m.London Heathrow
C$ 662

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Region of Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 20 January 2026.
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

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 17/2

6:00 a.m.-1:50 p.m.

1 stop12h 50m

Toronto Pearson Intl

Tue 10/3

9:25 p.m.-1:00 p.m.

1 stop11h 35m

C$ 615

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 10/2

11:10 a.m.-2:20 p.m.

Nonstop8h 10m

Toronto Pearson Intl

Sun 15/2

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

Nonstop7h 20m

C$ 616

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 17/2

9:00 a.m.-6:50 p.m.

2 stops14h 50m

Toronto Pearson Intl

Tue 24/2

8:25 p.m.-1:00 p.m.

1 stop11h 35m

C$ 618

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 6/3

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

1 stop11h 00m

Toronto Pearson Intl

Wed 6/5

11:10 p.m.-8:20 p.m.

1 stop16h 10m

C$ 619

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 6/3

8:35 p.m.-6:15 p.m.

1 stop26h 40m

Toronto Pearson Intl

Tue 5/5

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

1 stop18h 35m

C$ 621

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 21/4

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

1 stop12h 00m

Toronto Pearson Intl

Tue 5/5

8:15 p.m.-8:35 a.m.

Nonstop7h 20m

C$ 626

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 28/4

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

1 stop12h 00m

Toronto Pearson Intl

Thu 7/5

4:05 p.m.-6:30 a.m.

1 stop9h 25m

C$ 627

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 14/3

7:20 p.m.-4:10 p.m.

1 stop24h 50m

Ottawa

Sun 5/4

5:10 p.m.-7:55 a.m.

1 stop9h 45m

C$ 783

LondonThunder Bay

LHR - YQT

LHRYQT

London Heathrow

Wed 4/2

7:25 a.m.-11:05 p.m.

2 stops20h 40m

Thunder Bay

Sun 8/2

5:00 a.m.-10:25 a.m.

2 stops24h 25m

C$ 990

LondonThunder Bay

LHR - YQT

LHRYQT

London Heathrow

Wed 4/2

7:25 a.m.-11:05 p.m.

2 stops20h 40m

Thunder Bay

Sun 8/2

5:00 a.m.-7:55 a.m.

2 stops21h 55m

C$ 993

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ontario from

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

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$ 705. If you are unable to visit Region of Ontario during the month of February, then departing from London Heathrow Airport during the month September is also very affordable. Most momondo users find prices during this month for around C$ 715.

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$ 825. The most expensive day to fly to Region of Ontario is Saturday, with ticket prices averaging around C$ 949.

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$ 855. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 927 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$ 842 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$ 764 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.

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$ 650

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$ 650. The best round-trip flight deal from London Heathrow Airport to Region of Ontario found on momondo in the last 72 hours is C$ 728.
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 Ottawa (YOW), 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?

  • 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?

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 LingusPriceFrom C$ 442Free CancellationRating
7.2
1,437 reviews
Search Aer Lingus flights
IcelandairPriceFrom C$ 549Free CancellationRating
7.1
602 reviews
Search Icelandair flights
LufthansaPriceFrom C$ 565Free CancellationRating
6.8
7,736 reviews
Search Lufthansa flights
Air TransatPriceFrom C$ 632Free CancellationRating
7.7
499 reviews
Search Air Transat flights
TAP AIR PORTUGALPriceFrom C$ 641Free CancellationRating
7.1
2,123 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom C$ 642Free CancellationRating
6.7
7,690 reviews
Search British Airways flights
Air CanadaPriceFrom C$ 653Free CancellationRating
7.1
10,644 reviews
Search Air Canada flights
DeltaPriceFrom C$ 655Free CancellationRating
7.9
8,085 reviews
Search Delta flights
Virgin AtlanticPriceFrom C$ 664Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom C$ 731Free CancellationRating
7.4
9,188 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.

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Find better results for your trip to Ontario

Popular Cities in Ontario

Popular flights according to clicks in the last 7 days on momondo
Flights to Torontofrom C$ 85
Flights to Vancouverfrom C$ 76
Flights to Montrealfrom C$ 78
Flights to Calgaryfrom C$ 76
Flights to Ottawafrom C$ 90
Flights to Winnipegfrom C$ 103
Flights to Halifaxfrom C$ 61
Flights to Kelownafrom C$ 64
Flights to Saskatoonfrom C$ 161
Flights to Reginafrom C$ 158
Flights to St. John'sfrom C$ 157
Flights to Québec Cityfrom C$ 314