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

SWISS, United Airlines, and Air Canada are the most popular carriers operating from London to Ontario

Which airlines fly to Region of Ontario?

Air Canada, Lufthansa and Air Transat are the top three most popular airlines that fly to Region of Ontario from London according to our data. Air Canada is the first choice among our users, with 55% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 8 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

As of November 2026, there are 29 flights per day flying from London to Region of Ontario. The most common time of day flights depart is 3:00p.m., with 54% of flights taking off in the afternoon.

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

203 flights are operational weekly from London to Region of Ontario as of November 2026. The most popular departure day for this route is Sat, with 20% of flights per week taking off on this day.

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?

As of November 2026, there are 7 operators available to choose from 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.

C$ 394 Cheap Flights from London to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 p.m. - 10:05 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

11h 25m1 stop Reykjavik Keflavik Intl

8:45 p.m. - 2:40 p.m.YYZ Toronto Pearson Intl-LGW London Gatwick

12h 55m1 stop Reykjavik Keflavik Intl

C$ 685Icelandair

Tue, 6 Apr - Sun, 11 Apr

3:40 p.m. - 7:10 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

32h 30m1 stop Reykjavik Keflavik Intl

8:45 p.m. - 2:40 p.m.YYZ Toronto Pearson Intl-LGW London Gatwick

12h 55m1 stop Reykjavik Keflavik Intl

C$ 685Icelandair

Wed, 7 Apr - Sun, 11 Apr

7:30 a.m. - 6:15 p.m.LTN London Luton-YYZ Toronto Pearson Intl

15h 45m2 stops Dublin Reykjavik Keflavik Intl

7:40 p.m. - 8:00 p.m.YYZ Toronto Pearson Intl-LTN London Luton

19h 20m2 stops Reykjavik Keflavik Intl Dublin

C$ 685Multiple Airlines

Wed, 20 Jan - Tue, 26 Jan

8:50 a.m. - 6:15 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

14h 25m2 stops Dublin Reykjavik Keflavik Intl

7:40 p.m. - 3:35 p.m.YYZ Toronto Pearson Intl-LGW London Gatwick

14h 55m2 stops Reykjavik Keflavik Intl Dublin

C$ 687Multiple Airlines

Wed, 20 Jan - Sun, 24 Jan

12:50 p.m. - 3:55 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

8h 05mdirect

6:05 p.m. - 6:15 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 10mdirect

C$ 723British Airways

Sun, 31 Jan - Mon, 8 Feb

5:15 p.m. - 8:15 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

8h 00mdirect

6:05 p.m. - 6:15 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 10mdirect

C$ 723British Airways

Sat, 30 Jan - Mon, 8 Feb

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

10:45 p.m. - 10:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 00mdirect

C$ 791Air Transat

Mon, 15 Feb - Mon, 5 Jul

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

C$ 797Air Transat

Mon, 15 Feb - Fri, 19 Feb

9:30 a.m. - 7:45 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

15h 15m1 stop Frankfurt am Main

8:10 p.m. - 8:30 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 20mdirect

C$ 797Lufthansa

Sat, 5 Dec - Thu, 10 Dec

9:30 a.m. - 4:15 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

11h 45m1 stop Frankfurt am Main

6:05 p.m. - 6:30 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 25mdirect

C$ 797Lufthansa

Wed, 2 Dec - Tue, 8 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:15 p.m. - 6:15 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

11h 00m1 stop Reykjavik Keflavik Intl

7:40 p.m. - 7:30 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

18h 50m1 stop Reykjavik Keflavik Intl

C$ 729Icelandair

Wed, 11 Nov - Mon, 30 Nov

12:15 p.m. - 6:15 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

11h 00m1 stop Reykjavik Keflavik Intl

7:40 p.m. - 7:30 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

18h 50m1 stop Reykjavik Keflavik Intl

C$ 729Icelandair

Wed, 11 Nov - Mon, 23 Nov

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

C$ 811Air Transat

Fri, 13 Nov - Sat, 21 Nov

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

C$ 819Air Transat

Thu, 12 Nov - Thu, 26 Nov

6:00 a.m. - 4:05 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

15h 05m1 stop Zurich

5:35 p.m. - 9:20 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

10h 45m1 stop Ottawa

C$ 891Multiple Airlines

Thu, 12 Nov - Thu, 19 Nov

8:50 a.m. - 3:50 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

12h 00m1 stop Dublin

5:20 p.m. - 8:05 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

9h 45m1 stop Dublin

C$ 910Aer Lingus

Fri, 13 Nov - Sun, 29 Nov

6:00 a.m. - 4:05 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

15h 05m1 stop Zurich

11:00 p.m. - 11:20 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 20mdirect

C$ 911Air Canada

Sun, 15 Nov - Mon, 23 Nov

6:00 a.m. - 4:05 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

15h 05m1 stop Zurich

6:15 a.m. - 9:00 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

9h 45m1 stop Halifax Intl

C$ 915Air Canada

Sun, 15 Nov - Mon, 23 Nov

7:40 a.m. - 2:55 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

12h 15m1 stop Munich Franz Josef Strauss

11:00 p.m. - 11:20 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 20mdirect

C$ 925Lufthansa

Tue, 10 Nov - Mon, 23 Nov

7:40 a.m. - 2:55 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

12h 15m1 stop Munich Franz Josef Strauss

11:00 p.m. - 11:20 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 20mdirect

C$ 929Lufthansa

Tue, 10 Nov - Mon, 16 Nov

Cheap direct flights

Enter your travel dates to find the best prices.

5:15 p.m. - 8:15 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

8h 00mdirect

6:05 p.m. - 6:15 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 10mdirect

C$ 723British Airways

Sat, 30 Jan - Mon, 8 Feb

12:50 p.m. - 3:55 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

8h 05mdirect

6:05 p.m. - 6:15 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 10mdirect

C$ 723British Airways

Sun, 31 Jan - Mon, 8 Feb

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

10:45 p.m. - 10:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 00mdirect

C$ 791Air Transat

Mon, 15 Feb - Mon, 5 Jul

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

C$ 797Air Transat

Mon, 15 Feb - Fri, 19 Feb

3:00 p.m. - 6:00 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

8h 00mdirect

6:05 p.m. - 6:30 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 25mdirect

C$ 829Lufthansa

Thu, 3 Dec - Sun, 6 Dec

11:10 a.m. - 2:25 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

8h 15mdirect

8:10 p.m. - 8:30 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 20mdirect

C$ 842Air Canada

Wed, 2 Dec - Wed, 9 Dec

3:00 p.m. - 6:00 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

8h 00mdirect

6:05 p.m. - 6:30 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 25mdirect

C$ 842Lufthansa

Thu, 10 Dec - Sun, 13 Dec

4:10 p.m. - 7:05 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 55mdirect

9:45 p.m. - 9:50 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 05mdirect

C$ 853KLM

Mon, 23 Nov - Thu, 3 Dec

6:00 p.m. - 9:05 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

8h 05mdirect

11:00 p.m. - 11:20 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 20mdirect

C$ 863Air Canada

Thu, 24 Dec - Tue, 12 Jan

5:25 p.m. - 8:15 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

10:45 p.m. - 10:50 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 05mdirect

C$ 900KLM

Mon, 26 Apr - Mon, 10 May

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Icelandair flights from London to Region of Ontario

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

Icelandair

6 Apr

LGW3:40 p.m.London Gatwick

11h 25m

1 stop

YYZ10:05 p.m.Toronto Pearson Intl

11 Apr

YYZ8:45 p.m.Toronto Pearson Intl

12h 55m

1 stop

LGW2:40 p.m.London Gatwick

C$ 685

Icelandair

10 Apr

LGW3:40 p.m.London Gatwick

11h 25m

1 stop

YYZ10:05 p.m.Toronto Pearson Intl

24 Apr

YYZ11:10 p.m.Toronto Pearson Intl

10h 30m

1 stop

LGW2:40 p.m.London Gatwick

C$ 687

Icelandair

16 Jan

LHR12:15 p.m.London Heathrow

11h 00m

1 stop

YYZ6:15 p.m.Toronto Pearson Intl

30 Jan

YYZ7:40 p.m.Toronto Pearson Intl

10h 10m

1 stop

LHR10:50 a.m.London Heathrow

C$ 689

Virgin Atlantic flights from London to Region of Ontario

Our best Virgin Atlantic deals on London to Region of Ontario flight tickets

Virgin Atlantic

23 Nov

LHR10:00 a.m.London Heathrow

10h 40m

1 stop

YYZ3:40 p.m.Toronto Pearson Intl

3 Dec

YYZ9:45 p.m.Toronto Pearson Intl

7h 05m

LHR9:50 a.m.London Heathrow

C$ 825

Virgin Atlantic

19 Jan

LCY8:05 p.m.London City

31h 47m

2 stops

YYZ10:52 p.m.Toronto Pearson Intl

26 Jan

YYZ9:15 p.m.Toronto Pearson Intl

15h 05m

1 stop

LCY5:20 p.m.London City

C$ 922

Virgin Atlantic

16 Jan

LCY10:00 a.m.London City

10h 40m

1 stop

YYZ3:40 p.m.Toronto Pearson Intl

30 Jan

YYZ5:55 p.m.Toronto Pearson Intl

18h 25m

1 stop

LCY5:20 p.m.London City

C$ 929

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Tue 6/4

3:40 p.m.-10:05 p.m.

1 stop11h 25m

Toronto Pearson Intl

Sun 11/4

8:45 p.m.-2:40 p.m.

1 stop12h 55m

C$ 685

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Wed 7/4

3:40 p.m.-7:10 p.m.

1 stop32h 30m

Toronto Pearson Intl

Sun 11/4

8:45 p.m.-2:40 p.m.

1 stop12h 55m

C$ 685

LondonToronto

LTN London Luton - YYZ Toronto Pearson Intl

LTNYYZ

London Luton

Wed 20/1

7:30 a.m.-6:15 p.m.

2 stops15h 45m

Toronto Pearson Intl

Tue 26/1

7:40 p.m.-8:00 p.m.

2 stops19h 20m

C$ 685

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Wed 20/1

8:50 a.m.-6:15 p.m.

2 stops14h 25m

Toronto Pearson Intl

Sun 24/1

7:40 p.m.-3:35 p.m.

2 stops14h 55m

C$ 687

LondonToronto

LHR London Heathrow - YYZ Toronto Pearson Intl

LHRYYZ

London Heathrow

Sun 31/1

12:50 p.m.-3:55 p.m.

Nonstop8h 05m

Toronto Pearson Intl

Mon 8/2

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

Nonstop7h 10m

C$ 723

Quickest round-trip

LondonToronto

LHR London Heathrow - YYZ Toronto Pearson Intl

LHRYYZ

London Heathrow

Sat 30/1

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

Nonstop8h 00m

Toronto Pearson Intl

Mon 8/2

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

Nonstop7h 10m

C$ 723

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Mon 15/2

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

Toronto Pearson Intl

Mon 5/7

10:45 p.m.-10:45 a.m.

Nonstop7h 00m

C$ 791

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Mon 15/2

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

Toronto Pearson Intl

Fri 19/2

9:35 p.m.-9:45 a.m.

Nonstop7h 10m

C$ 797

LondonToronto

LHR London Heathrow - YYZ Toronto Pearson Intl

LHRYYZ

London Heathrow

Sat 5/12

9:30 a.m.-7:45 p.m.

1 stop15h 15m

Toronto Pearson Intl

Thu 10/12

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

Nonstop7h 20m

C$ 797

LondonToronto

LHR London Heathrow - YYZ Toronto Pearson Intl

LHRYYZ

London Heathrow

Wed 2/12

9:30 a.m.-4:15 p.m.

1 stop11h 45m

Toronto Pearson Intl

Tue 8/12

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

Nonstop7h 25m

C$ 797

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 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 to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 777. If you are unable to visit Region of Ontario during the month of February, then departing from London during the month January is also very affordable. Most momondo users find prices during this month for around C$ 800.

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 Wednesday. Travellers who choose to depart for Region of Ontario on a Wednesday will often find tickets for as low as C$ 1,022. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 1,091.

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 to Region of Ontario during this time can be as low as C$ 1,000. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 1,053 on average. Flights to Region of Ontario from London in the afternoon 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 Gatwick to Toronto Pearson Intl for the best London - Ontario flight prices

How far in advance should I book a flight from London to 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$ 979 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$ 955 on momondo.

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

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

You could potentially save up to 11% on your flight if you consider stops on a London to Region of Ontario flight.

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$ 394
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 in the past 72 hours is C$ 394. The best round-trip flight deal from London to Region of Ontario found on momondo in the last 72 hours is C$ 685.

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

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

There are 125 airports in Region of Ontario. From London there are direct flights to Ottawa (YOW), Toronto Pearson Intl (YYZ).

Search flight deals

Frequently asked questions about flying from London to Ontario

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?
As of November 2026, there are 7 operators available to choose from 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?
Based on momondo bookings for flights between London and Region of Ontario, the leading plane model is Airbus A350-1000, making up 32.56% of the total bookings. Other popular models include Airbus A321neo with 15.11%, Boeing 787-9 Dreamliner with 8.60%, and Boeing 777 with 8.03%.

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
Icelandair	PriceFrom C$ 663	Free Cancellation	Rating 6.9 767 reviews	Search Icelandair flights
Aer Lingus	PriceFrom C$ 666	Free Cancellation	Rating 7.3 1,883 reviews	Search Aer Lingus flights
Air Transat	PriceFrom C$ 673	Free Cancellation	Rating 7.7 585 reviews	Search Air Transat flights
Air Canada	PriceFrom C$ 682	Free Cancellation	Rating 7.1 11,875 reviews	Search Air Canada flights
KLM	PriceFrom C$ 688	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
British Airways	PriceFrom C$ 691	Free Cancellation	Rating 6.7 8,286 reviews	Search British Airways flights
Lufthansa	PriceFrom C$ 713	Free Cancellation	Rating 6.8 8,292 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom C$ 890	Free Cancellation	Rating 7.5 698 reviews	Search Virgin Atlantic 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.

An easier way to manage your Region of Ontario trip

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Popular cities

Other flights from London

Other flights to Ontario

Airlines

Complete your trip

Feeling lucky

Popular Cities in Ontario

Flights to Torontofrom C$ 158

Flights to Vancouverfrom C$ 112

Flights to Calgaryfrom C$ 89

Flights to Montrealfrom C$ 264

Flights to Winnipegfrom C$ 165

Flights to Halifaxfrom C$ 172

Flights to Ottawafrom C$ 239

Flights to Kelownafrom C$ 141

Flights to Saskatoonfrom C$ 237

Flights to St. John'sfrom C$ 299

Flights to Reginafrom C$ 318

Flights to Québec Cityfrom C$ 316

Cheap flights from London to Ontario from C$ 394

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 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from London to Ontario

Cheap round-trip flights

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Cheap last-minute flights

Cheap direct flights

Big names, great deals

Big names, great deals

Filter for what you want

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Icelandair flights from London to Region of Ontario

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

Virgin Atlantic flights from London to Region of Ontario

Our best Virgin Atlantic deals on London to Region of Ontario flight tickets

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

See travel insights to Ontario from

How to get the cheapest flight ticket from London 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 to Ontario flight route?

How far in advance should I book a flight from London to Ontario?

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

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

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

Which airlines fly to Region of Ontario?

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

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

Cheap London 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 to 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

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 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

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Ontario

Explore popular destinations other users love

According to popular flight searches on momondo this year