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

As of September 2026, there are 21 flights per day flying from London to Region of Ontario. The most common time of day flights depart is 5:00p.m., with 82% of flights taking off in the afternoon.

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

147 flights are operational weekly from London to Region of Ontario as of September 2026. The most popular departure day for this route is Wed, with 31% of flights per week taking off on this day.

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

Air Transat, Icelandair, 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.

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 September 2026, there are 8 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$ 434 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.

6:50 a.m. - 5:56 p.m.LHR London Heathrow-YTZ Toronto Island

16h 06m2 stops Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

8:20 a.m. - 7:10 a.m.YTZ Toronto Island-LHR London Heathrow

17h 50m2 stops Ottawa Montreal Pierre Elliott Trudeau Intl

C$ 675Air Canada

Sun, 17 Jan - Wed, 20 Jan

11:05 a.m. - 9:30 p.m.LHR London Heathrow-YTZ Toronto Island

39h 25m2 stops Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

8:55 p.m. - 7:10 a.m.YTZ Toronto Island-LHR London Heathrow

29h 15m2 stops Ottawa Montreal Pierre Elliott Trudeau Intl

C$ 675Air Canada

Tue, 13 Oct - Mon, 2 Nov

6:00 a.m. - 1:45 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

12h 45m1 stop Vienna Intl

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

7h 20mdirect

C$ 675Multiple Airlines

Fri, 8 Jan - Fri, 15 Jan

9:00 a.m. - 4:15 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

12h 15m1 stop Zurich

5:30 p.m. - 1:40 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

15h 10m2 stops Montreal Pierre Elliott Trudeau Intl Geneva Geneve-Cointrin

C$ 675SWISS

Sat, 21 Nov - Tue, 24 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$ 676Air Transat

Sat, 30 Jan - Wed, 10 Feb

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$ 676Air Transat

Fri, 29 Jan - Fri, 5 Feb

6:30 a.m. - 12:35 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

11h 05m1 stop Frankfurt am Main

9:00 p.m. - 1:00 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

12h 00m1 stop Munich Franz Josef Strauss

C$ 676Lufthansa

Mon, 8 Mar - Mon, 15 Mar

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

12h 15m1 stop Munich Franz Josef Strauss

7:50 p.m. - 5:05 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

16h 15m1 stop Munich Franz Josef Strauss

C$ 679Lufthansa

Sun, 1 Nov - Sun, 29 Nov

10:00 a.m. - 3:40 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

10h 40m1 stop Amsterdam Schiphol

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

7h 05mdirect

C$ 682Virgin Atlantic

Thu, 3 Dec - Mon, 14 Dec

8:40 a.m. - 3:40 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

12h 00m1 stop Amsterdam Schiphol

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

7h 05mdirect

C$ 682Virgin Atlantic

Sat, 5 Dec - Sat, 12 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

9:30 a.m. - 4:53 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

12h 23m1 stop Montreal Pierre Elliott Trudeau Intl

6:40 a.m. - 9:00 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

9h 20m1 stop Halifax Intl

C$ 681Air Canada

Tue, 29 Sep - Tue, 6 Oct

9:30 a.m. - 4:53 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

12h 23m1 stop Montreal Pierre Elliott Trudeau Intl

6:40 a.m. - 9:00 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

9h 20m1 stop Halifax Intl

C$ 681Air Canada

Tue, 29 Sep - Sun, 4 Oct

9:40 a.m. - 6:55 p.m.LGW London Gatwick-YTZ Toronto Island

14h 15m1 stop Ottawa

11:55 a.m. - 7:55 a.m.YTZ Toronto Island-LGW London Gatwick

15h 00m1 stop Ottawa

C$ 683Air Transat

Fri, 25 Sep - Sun, 27 Sep

9:40 a.m. - 11:40 a.m.LGW London Gatwick-YTZ Toronto Island

31h 00m1 stop Ottawa

4:55 p.m. - 9:50 a.m.YTZ Toronto Island-LGW London Gatwick

11h 55m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 683Air Transat

Fri, 25 Sep - Tue, 6 Oct

8:30 a.m. - 11:15 a.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 45mdirect

11:55 p.m. - 11:20 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 25mdirect

C$ 690Lufthansa

Tue, 29 Sep - Sun, 25 Oct

9:40 a.m. - 12:45 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 05mdirect

11:55 p.m. - 7:55 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

27h 00m1 stop Dublin

C$ 696Multiple Airlines

Sat, 26 Sep - Sat, 3 Oct

9:40 a.m. - 12:45 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 05mdirect

11:55 p.m. - 7:55 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

27h 00m1 stop Dublin

C$ 697Multiple Airlines

Mon, 28 Sep - Sat, 3 Oct

5:50 p.m. - 8:40 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

10:55 p.m. - 11:10 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 15mdirect

C$ 703Virgin Atlantic

Wed, 30 Sep - Wed, 7 Oct

5:50 p.m. - 8:40 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

10:55 p.m. - 11:10 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 15mdirect

C$ 707Virgin Atlantic

Wed, 30 Sep - Fri, 9 Oct

5:40 p.m. - 8:30 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

11:50 p.m. - 11:50 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 00mdirect

C$ 713Lufthansa

Tue, 29 Sep - Thu, 15 Oct

Cheap direct flights

Enter your travel dates to find the best prices.

8:30 a.m. - 11:15 a.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 45mdirect

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

7h 25mdirect

C$ 675Air Canada

Wed, 21 Oct - Fri, 13 Nov

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

8h 15mdirect

8:20 p.m. - 8:30 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 10mdirect

C$ 675Air Canada

Wed, 18 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$ 676Air Transat

Sat, 30 Jan - Wed, 10 Feb

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$ 676Air Transat

Tue, 26 Jan - Wed, 10 Feb

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

8h 05mdirect

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

7h 25mdirect

C$ 686Lufthansa

Mon, 23 Nov - Wed, 2 Dec

5:40 p.m. - 8:30 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

11:55 p.m. - 11:20 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 25mdirect

C$ 688Lufthansa

Thu, 15 Oct - Sun, 25 Oct

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

8h 00mdirect

7:05 p.m. - 6:15 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 10mdirect

C$ 688British Airways

Tue, 9 Mar - Sun, 14 Mar

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

8h 00mdirect

10:20 p.m. - 10:25 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 05mdirect

C$ 688British Airways

Mon, 11 Jan - Wed, 20 Jan

5:50 p.m. - 8:40 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

10:55 p.m. - 11:10 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 15mdirect

C$ 703Virgin Atlantic

Sat, 10 Oct - Thu, 15 Oct

5:50 p.m. - 8:40 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

10:55 p.m. - 11:10 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 15mdirect

C$ 706Virgin Atlantic

Tue, 6 Oct - Fri, 23 Oct

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KLM flights from London to Region of Ontario

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

KLM

5 Nov

LHR8:40 a.m.London Heathrow

12h 00m

1 stop

YYZ3:40 p.m.Toronto Pearson Intl

11 Nov

YYZ9:15 p.m.Toronto Pearson Intl

11h 35m

1 stop

LHR1:50 p.m.London Heathrow

C$ 716

KLM

5 Nov

LGW10:00 a.m.London Gatwick

11h 10m

1 stop

YYZ4:10 p.m.Toronto Pearson Intl

11 Nov

YYZ10:20 p.m.Toronto Pearson Intl

12h 25m

1 stop

LGW3:45 p.m.London Gatwick

C$ 719

KLM

8 Mar

LHR4:10 p.m.London Heathrow

7h 55m

YYZ7:05 p.m.Toronto Pearson Intl

13 Mar

YYZ9:45 p.m.Toronto Pearson Intl

7h 05m

LHR9:50 a.m.London Heathrow

C$ 728

SWISS flights from London to Region of Ontario

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

SWISS

20 Oct

LGW6:35 p.m.London Gatwick

26h 35m

1 stop

YYZ4:10 p.m.Toronto Pearson Intl

27 Oct

YYZ9:25 p.m.Toronto Pearson Intl

16h 25m

1 stop

LGW5:50 p.m.London Gatwick

C$ 680

SWISS

5 Nov

LGW8:30 a.m.London Gatwick

12h 45m

1 stop

YYZ4:15 p.m.Toronto Pearson Intl

11 Nov

YYZ8:25 p.m.Toronto Pearson Intl

16h 25m

1 stop

LGW5:50 p.m.London Gatwick

C$ 682

SWISS

5 Nov

LGW8:30 a.m.London Gatwick

12h 45m

1 stop

YYZ4:15 p.m.Toronto Pearson Intl

11 Nov

YYZ8:25 p.m.Toronto Pearson Intl

16h 25m

1 stop

LGW5:50 p.m.London Gatwick

C$ 710

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonToronto

LHR London Heathrow - YTZ Toronto Island

LHRYTZ

London Heathrow

Sun 17/1

6:50 a.m.-5:56 p.m.

2 stops16h 06m

Toronto Island

Wed 20/1

8:20 a.m.-7:10 a.m.

2 stops17h 50m

C$ 675

LondonToronto

LHR London Heathrow - YTZ Toronto Island

LHRYTZ

London Heathrow

Tue 13/10

11:05 a.m.-9:30 p.m.

2 stops39h 25m

Toronto Island

Mon 2/11

8:55 p.m.-7:10 a.m.

2 stops29h 15m

C$ 675

LondonToronto

LHR London Heathrow - YYZ Toronto Pearson Intl

LHRYYZ

London Heathrow

Fri 8/1

6:00 a.m.-1:45 p.m.

1 stop12h 45m

Toronto Pearson Intl

Fri 15/1

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

Nonstop7h 20m

C$ 675

LondonToronto

LHR London Heathrow - YYZ Toronto Pearson Intl

LHRYYZ

London Heathrow

Sat 21/11

9:00 a.m.-4:15 p.m.

1 stop12h 15m

Toronto Pearson Intl

Tue 24/11

5:30 p.m.-1:40 p.m.

2 stops15h 10m

C$ 675

Quickest round-trip

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Sat 30/1

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

Nonstop8h 20m

Toronto Pearson Intl

Wed 10/2

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

Nonstop7h 10m

C$ 676

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Fri 29/1

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

Nonstop8h 20m

Toronto Pearson Intl

Fri 5/2

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

Nonstop7h 10m

C$ 676

LondonToronto

LHR London Heathrow - YYZ Toronto Pearson Intl

LHRYYZ

London Heathrow

Mon 8/3

6:30 a.m.-12:35 p.m.

1 stop11h 05m

Toronto Pearson Intl

Mon 15/3

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

1 stop12h 00m

C$ 676

LondonToronto

LHR London Heathrow - YYZ Toronto Pearson Intl

LHRYYZ

London Heathrow

Sun 1/11

7:40 a.m.-2:55 p.m.

1 stop12h 15m

Toronto Pearson Intl

Sun 29/11

7:50 p.m.-5:05 p.m.

1 stop16h 15m

C$ 679

LondonToronto

LHR London Heathrow - YYZ Toronto Pearson Intl

LHRYYZ

London Heathrow

Thu 3/12

10:00 a.m.-3:40 p.m.

1 stop10h 40m

Toronto Pearson Intl

Mon 14/12

9:45 p.m.-9:50 a.m.

Nonstop7h 05m

C$ 682

LondonToronto

LHR London Heathrow - YYZ Toronto Pearson Intl

LHRYYZ

London Heathrow

Sat 5/12

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

1 stop12h 00m

Toronto Pearson Intl

Sat 12/12

9:45 p.m.-9:50 a.m.

Nonstop7h 05m

C$ 682

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$ 771. 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$ 797.

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$ 1,023. The most expensive day to fly to Region of Ontario is Thursday, with ticket prices averaging around C$ 1,098.

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$ 995. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 1,063 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 Ottawa 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$ 971 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$ 952 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?

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$ 434
Fastest flight time	7h 30m
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$ 434. The best round-trip flight deal from London to Region of Ontario found on momondo in the last 72 hours is C$ 675.

The fastest flight from London to Region of Ontario takes 7h 30m

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 September 2026, there are 8 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 28.77% of the total bookings. Other popular models include Airbus A330-200 with 16.50%, Airbus A321neo with 16.30%, and Boeing 787-9 Dreamliner with 8.19%.

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
Air Transat	PriceFrom C$ 627	Free Cancellation	Rating 7.7 581 reviews	Search Air Transat flights
Icelandair	PriceFrom C$ 661	Free Cancellation	Rating 6.9 751 reviews	Search Icelandair flights
Aer Lingus	PriceFrom C$ 664	Free Cancellation	Rating 7.3 1,788 reviews	Search Aer Lingus flights
Air Canada	PriceFrom C$ 678	Free Cancellation	Rating 7.1 11,681 reviews	Search Air Canada flights
KLM	PriceFrom C$ 687	Free Cancellation	Rating 7.8 1,576 reviews	Search KLM flights
British Airways	PriceFrom C$ 708	Free Cancellation	Rating 6.7 8,227 reviews	Search British Airways flights
Lufthansa	PriceFrom C$ 713	Free Cancellation	Rating 6.8 8,236 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom C$ 754	Free Cancellation	Rating 7.4 694 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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Complete your trip

Feeling lucky

Popular Cities in Ontario

Flights to Torontofrom C$ 159

Flights to Vancouverfrom C$ 108

Flights to Calgaryfrom C$ 117

Flights to Montrealfrom C$ 216

Flights to Halifaxfrom C$ 145

Flights to Winnipegfrom C$ 165

Flights to Ottawafrom C$ 180

Flights to Kelownafrom C$ 121

Flights to Saskatoonfrom C$ 90

Flights to St. John'sfrom C$ 209

Flights to Reginafrom C$ 201

Flights to Québec Cityfrom C$ 316

Cheap flights from London to Ontario from C$ 434

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 10/10. 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

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

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KLM flights from London to Region of Ontario

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

SWISS flights from London to Region of Ontario

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

momondo Fare Finder

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

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Complete your trip to Ontario

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