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Cheap flights from London to Ontario from C$ 502

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 to Ontario departing on 21/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from London to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
5:05 p.m. - 8:15 p.m.
LHR
-
YYZ
8h 10mdirect
British Airways Logo
6:05 p.m. - 6:15 a.m.
YYZ
-
LHR
7h 10mdirect
C$ 723British Airways
Thu, 15 Jan - Sat, 24 Jan
Multiple Airlines Logo
10:15 a.m. - 3:55 p.m.
STN
-
YYZ
10h 40m1 stop
Multiple Airlines Logo
5:25 p.m. - 11:35 a.m.
YYZ
-
STN
13h 10m1 stop
C$ 723Multiple Airlines
Sat, 17 Jan - Sat, 24 Jan
Air Canada Logo
2:10 p.m. - 9:32 p.m.
LHR
-
YTZ
12h 22m1 stop
Air Canada Logo
12:25 p.m. - 8:35 a.m.
YTZ
-
LHR
15h 10m1 stop
C$ 724Air Canada
Wed, 8 Apr - Wed, 15 Apr
Icelandair Logo
3:40 p.m. - 10:10 p.m.
LGW
-
YYZ
11h 30m1 stop
Icelandair Logo
11:20 p.m. - 2:40 p.m.
YYZ
-
LGW
10h 20m1 stop
C$ 724Icelandair
Mon, 11 May - Fri, 15 May
Air Canada Logo
12:00 p.m. - 9:20 p.m.
LHR
-
YTZ
13h 20m1 stop
Air Canada Logo
9:30 a.m. - 6:30 a.m.
YTZ
-
LHR
16h 00m1 stop
C$ 726Air Canada
Fri, 20 Mar - Fri, 3 Apr
Icelandair Logo
11:55 a.m. - 6:15 p.m.
LGW
-
YYZ
11h 20m1 stop
Icelandair Logo
7:40 p.m. - 10:55 a.m.
YYZ
-
LGW
10h 15m1 stop
C$ 727Icelandair
Fri, 30 Jan - Tue, 3 Feb
Air Transat Logo
11:35 a.m. - 8:27 p.m.
LGW
-
YTZ
13h 52m1 stop
Air Transat Logo
8:50 a.m. - 9:50 a.m.
YTZ
-
LGW
20h 00m1 stop
C$ 782Air Transat
Wed, 6 May - Sat, 16 May
Air Transat Logo
11:35 a.m. - 2:15 p.m.
LGW
-
YUL
7h 40mdirect
Air Transat Logo
10:05 p.m. - 9:50 a.m.
YUL
-
LGW
6h 45mdirect
C$ 807Air Transat
Wed, 27 May - Sat, 6 Jun
Lufthansa Logo
10:50 a.m. - 6:50 p.m.
LHR
-
YUL
13h 00m1 stop
Lufthansa Logo
8:40 p.m. - 5:40 p.m.
YUL
-
LHR
16h 00m2 stops
C$ 809Lufthansa
Wed, 13 May - Tue, 19 May
Lufthansa Logo
9:50 a.m. - 6:20 p.m.
LCY
-
YUL
13h 30m2 stops
Lufthansa Logo
4:55 p.m. - 8:40 a.m.
YUL
-
LCY
10h 45m1 stop
C$ 817Lufthansa
Wed, 18 Feb - Sun, 1 Mar

British Airways flights from London to Region of Ontario

Our best British Airways deals on London to Region of Ontario flight tickets
British Airways
15 Jan
LHR5:05 p.m.London Heathrow
8h 10m
YYZ8:15 p.m.Toronto Pearson Intl
25 Jan
YYZ6:05 p.m.Toronto Pearson Intl
7h 10m
LHR6:15 a.m.London Heathrow
C$ 723
Find similar
British Airways
18 Mar
LCY6:50 a.m.London City
14h 05m
1 stop
YYZ4:55 p.m.Toronto Pearson Intl
25 Mar
YYZ6:25 p.m.Toronto Pearson Intl
12h 00m
1 stop
LCY10:25 a.m.London City
C$ 726
Find similar
British Airways
4 Feb
LCY6:50 a.m.London City
14h 05m
1 stop
YYZ3:55 p.m.Toronto Pearson Intl
11 Feb
YYZ5:25 p.m.Toronto Pearson Intl
10h 10m
1 stop
LCY8:35 a.m.London City
C$ 727
Find similar

TAP AIR PORTUGAL flights from London to Region of Ontario

Our best TAP AIR PORTUGAL deals on London to Region of Ontario flight tickets
TAP AIR PORTUGAL
18 Jan
LGW9:25 p.m.London Gatwick
28h 50m
2 stops
YYZ9:15 p.m.Toronto Pearson Intl
25 Jan
YYZ10:45 p.m.Toronto Pearson Intl
12h 00m
1 stop
LGW3:45 p.m.London Gatwick
C$ 723
Find similar
TAP AIR PORTUGAL
8 Apr
LGW10:35 a.m.London Gatwick
15h 30m
1 stop
YYZ9:05 p.m.Toronto Pearson Intl
15 Apr
YYZ5:35 p.m.Toronto Pearson Intl
15h 25m
1 stop
LGW2:00 p.m.London Gatwick
C$ 733
Find similar
TAP AIR PORTUGAL
7 Apr
LGW4:25 p.m.London Gatwick
26h 35m
1 stop
YYZ2:00 p.m.Toronto Pearson Intl
14 Apr
YYZ5:35 p.m.Toronto Pearson Intl
17h 00m
1 stop
LGW3:35 p.m.London Gatwick
C$ 735
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London 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 22 December 2025.
Use the filters below to find and compare flights from London to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 15/1

5:05 p.m.-8:15 p.m.

Nonstop8h 10m

Toronto Pearson Intl

Sat 24/1

6:05 p.m.-6:15 a.m.

Nonstop7h 10m

C$ 723

LondonToronto

STN - YYZ

STNYYZ

London Stansted

Sat 17/1

10:15 a.m.-3:55 p.m.

1 stop10h 40m

Toronto Pearson Intl

Sat 24/1

5:25 p.m.-11:35 a.m.

1 stop13h 10m

C$ 723

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Wed 8/4

2:10 p.m.-9:32 p.m.

1 stop12h 22m

Toronto Island

Wed 15/4

12:25 p.m.-8:35 a.m.

1 stop15h 10m

C$ 724

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Mon 11/5

3:40 p.m.-10:10 p.m.

1 stop11h 30m

Toronto Pearson Intl

Fri 15/5

11:20 p.m.-2:40 p.m.

1 stop10h 20m

C$ 724

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Fri 20/3

12:00 p.m.-9:20 p.m.

1 stop13h 20m

Toronto Island

Fri 3/4

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

1 stop16h 00m

C$ 726

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 30/1

11:55 a.m.-6:15 p.m.

1 stop11h 20m

Toronto Pearson Intl

Tue 3/2

7:40 p.m.-10:55 a.m.

1 stop10h 15m

C$ 727

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Wed 6/5

11:35 a.m.-8:27 p.m.

1 stop13h 52m

Toronto Island

Sat 16/5

8:50 a.m.-9:50 a.m.

1 stop20h 00m

C$ 782

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Wed 27/5

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

C$ 807

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 13/5

10:50 a.m.-6:50 p.m.

1 stop13h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

8:40 p.m.-5:40 p.m.

2 stops16h 00m

C$ 809

LondonMontreal

LCY - YUL

LCYYUL

London City

Wed 18/2

9:50 a.m.-6:20 p.m.

2 stops13h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 1/3

4:55 p.m.-8:40 a.m.

1 stop10h 45m

C$ 817

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 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 to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 673. If you are unable to visit Region of Ontario during the month of February, then departing from London during the month September is also very affordable. Most momondo users find prices during this month for around C$ 683.

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

The cheapest day to depart from London 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$ 819. The most expensive day to fly to Region of Ontario is Saturday, with ticket prices averaging around C$ 939.

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 to Region of Ontario during this time can be as low as C$ 847. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 951 on average. Flights to Region of Ontario from London in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest London to Ontario flight route?

Fly from London Heathrow to Toronto Pearson Intl for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 838 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 for as low as C$ 757 on momondo.

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

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

No. A direct flight is the cheapest option for a flight between London to Region of Ontario.

Cheap London to Region of Ontario flight deals and tips

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

Best price found

C$ 632

Fastest flight time

7h 20m

Direct flights

Every day

Airports in Region of Ontario

123 airports
The best one-way flight to Region of Ontario from London in the past 72 hours is C$ 632. The best round-trip flight deal from London to Region of Ontario found on momondo in the last 72 hours is C$ 712.
The fastest flight from London to Region of Ontario takes 7h 20m
Direct flights go from London to Region of Ontario every day.
There are 123 airports in Region of Ontario. From London there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL).
Search flight deals

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

    Prices for flights from London to Ontario are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London 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 to Region of Ontario?

Best airlines flying from London to Region of Ontario

Compare and see reviews for airlines that fly from London to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom C$ 439Free CancellationRating
7.2
1,410 reviews
Search Aer Lingus flights
IcelandairPriceFrom C$ 545Free CancellationRating
7.0
592 reviews
Search Icelandair flights
LufthansaPriceFrom C$ 568Free CancellationRating
6.8
7,646 reviews
Search Lufthansa flights
Air TransatPriceFrom C$ 593Free CancellationRating
7.8
484 reviews
Search Air Transat flights
TAP AIR PORTUGALPriceFrom C$ 637Free CancellationRating
7.2
2,096 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom C$ 638Free CancellationRating
6.7
7,605 reviews
Search British Airways flights
Air CanadaPriceFrom C$ 651Free CancellationRating
7.1
10,551 reviews
Search Air Canada flights
DeltaPriceFrom C$ 651Free CancellationRating
7.9
8,013 reviews
Search Delta flights
Virgin AtlanticPriceFrom C$ 660Free CancellationRating
7.5
677 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom C$ 727Free CancellationRating
7.4
9,102 reviews
Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Ontario . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Ontario from London with this policy.

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

Once all potential London to Ontario 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 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

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