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

Air Transat, Porter Airlines, and TAP AIR PORTUGAL are the most popular carriers operating from Ontario to London

How long does it take to fly to London?

On average, it takes 6h 35m to fly from Region of Ontario to London if you fly out of Ottawa (the most popular airport in Region of Ontario) and into London Heathrow Airport (the most popular airport in London). If you’re flying out of Toronto and into London Heathrow Airport, then the flight time is around 7h 50m.

Which airlines fly to London?

Air Canada, Air Transat and British Airways are the top three most popular airlines that fly to London from Region of Ontario according to our data. Air Canada is the first choice among our users, with 54% of people opting to fly with this airline when travelling to London. Keep in mind that there are 17 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Region of Ontario and London is 376 per week as of August 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

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

53 flights are operational daily from Region of Ontario to London as of August 2026. The most popular departure time for this route is 6:00p.m., with 100% of flights per day taking off in the evening.

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

Prices for flights from Ontario to London are updated daily.

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

There are 17 operators available for flights from Ontario to London as of August 2026.

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

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 Ontario to London.

What documentation or ID do you need to fly to London?

The travel and health documents required for your trip to London 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 London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 381 Cheap Flights from Ontario to London in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

9:40 a.m. - 7:20 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

14h 40m1 stop Toronto Pearson Intl

C$ 731Air Transat

Thu, 17 Sep - Wed, 23 Sep

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

9:40 a.m. - 7:20 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

14h 40m1 stop Toronto Pearson Intl

C$ 734Air Transat

Thu, 17 Sep - Wed, 23 Sep

10:45 p.m. - 11:20 p.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

19h 35m2 stops Lisbon Humberto Delgado Barcelona-El Prat

7:25 a.m. - 8:45 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

18h 20m2 stops Barcelona-El Prat Lisbon Humberto Delgado

C$ 734Multiple Airlines

Thu, 8 Oct - Wed, 14 Oct

6:30 p.m. - 4:35 p.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

17h 05m1 stop Barcelona-El Prat

7:35 p.m. - 12:30 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

21h 55m1 stop Barcelona-El Prat

C$ 738Multiple Airlines

Tue, 3 Nov - Tue, 10 Nov

8:45 p.m. - 11:55 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

10h 10m1 stop Reykjavik Keflavik Intl

1:05 p.m. - 10:05 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

14h 00m1 stop Reykjavik Keflavik Intl

C$ 753Icelandair

Tue, 22 Sep - Fri, 2 Oct

7:40 p.m. - 10:50 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

10h 10m1 stop Reykjavik Keflavik Intl

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

11h 00m1 stop Reykjavik Keflavik Intl

C$ 753Icelandair

Mon, 16 Nov - Mon, 30 Nov

6:30 p.m. - 2:05 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

14h 35m1 stop Vienna Intl

1:45 p.m. - 4:15 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

31h 30m1 stop Zurich

C$ 764Air Canada

Tue, 2 Feb - Thu, 4 Feb

11:45 p.m. - 10:40 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

18h 55m1 stop Lisbon Humberto Delgado

6:30 p.m. - 2:40 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

25h 10m1 stop Lisbon Humberto Delgado

C$ 764TAP AIR PORTUGAL

Sun, 25 Oct - Sat, 7 Nov

5:45 p.m. - 10:20 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

11h 35m1 stop Lisbon Humberto Delgado

6:00 a.m. - 2:00 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

13h 00m1 stop Lisbon Humberto Delgado

C$ 764TAP AIR PORTUGAL

Mon, 5 Oct - Thu, 15 Oct

4:10 p.m. - 11:20 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow

14h 10m1 stop Toronto Pearson Intl

11:05 a.m. - 11:40 a.m.LHR London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl

29h 35m1 stop Brussels Bruxelles-National

C$ 778Air Canada

Sun, 1 Nov - Tue, 3 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

7h 00mdirect

12:40 p.m. - 3:40 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 00mdirect

C$ 761Air Transat

Thu, 13 Aug - Wed, 19 Aug

6:00 p.m. - 9:50 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

10h 50m1 stop Montreal Pierre Elliott Trudeau Intl

11:35 a.m. - 7:25 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

12h 50m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 763Air Transat

Sun, 16 Aug - Tue, 1 Sep

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

7h 00mdirect

12:40 p.m. - 3:40 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 00mdirect

C$ 781Porter Airlines

Thu, 13 Aug - Tue, 1 Sep

7:50 p.m. - 7:55 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 05mdirect

11:35 a.m. - 7:25 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

12h 50m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 782Porter Airlines

Thu, 13 Aug - Tue, 1 Sep

11:55 p.m. - 11:20 p.m.YYZ Toronto Pearson Intl-STN London Stansted

18h 25m1 stop Dublin

8:30 a.m. - 3:50 p.m.STN London Stansted-YYZ Toronto Pearson Intl

12h 20m1 stop Dublin

C$ 784Multiple Airlines

Wed, 12 Aug - Thu, 20 Aug

10:15 p.m. - 10:50 p.m.YYZ Toronto Pearson Intl-STN London Stansted

19h 35m1 stop Edinburgh Turnhouse

10:45 p.m. - 3:00 p.m.STN London Stansted-YYZ Toronto Pearson Intl

21h 15m2 stops Dublin Halifax Intl

C$ 793Multiple Airlines

Wed, 12 Aug - Wed, 19 Aug

10:00 p.m. - 9:00 p.m.YUL Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow

18h 00m1 stop Halifax Intl

5:15 p.m. - 3:00 p.m.LHR London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl

26h 45m1 stop Zurich

C$ 867Air Canada

Wed, 12 Aug - Wed, 2 Sep

10:40 a.m. - 6:30 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow

14h 50m1 stop Ottawa

9:30 a.m. - 10:20 p.m.LHR London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl

17h 50m1 stop Ottawa

C$ 873Air Canada

Thu, 13 Aug - Mon, 17 Aug

9:00 p.m. - 4:00 p.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

14h 00m1 stop Paris Charles de Gaulle

10:25 a.m. - 6:25 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

13h 00m1 stop Paris Charles de Gaulle

C$ 895KLM

Fri, 14 Aug - Fri, 21 Aug

6:50 p.m. - 8:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LCY London City

9h 00m1 stop Amsterdam Schiphol

9:20 a.m. - 4:55 p.m.LCY London City-YUL Montreal Pierre Elliott Trudeau Intl

12h 35m1 stop Amsterdam Schiphol

C$ 954KLM

Thu, 13 Aug - Sat, 22 Aug

Cheap direct flights

Enter your travel dates to find the best prices.

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

7h 00mdirect

12:40 p.m. - 3:40 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 00mdirect

C$ 753Air Transat

Thu, 10 Sep - Wed, 16 Sep

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

7h 10mdirect

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

8h 20mdirect

C$ 754Air Transat

Sat, 14 Nov - Sun, 22 Nov

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

7h 00mdirect

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

8h 05mdirect

C$ 774Porter Airlines

Thu, 27 Aug - Thu, 3 Sep

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

7h 00mdirect

12:40 p.m. - 3:40 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 00mdirect

C$ 774Porter Airlines

Thu, 27 Aug - Wed, 2 Sep

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

11:35 a.m. - 2:15 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

7h 40mdirect

C$ 792Multiple Airlines

Wed, 9 Sep - Mon, 21 Sep

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

11:35 a.m. - 2:15 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

7h 40mdirect

C$ 795Multiple Airlines

Wed, 9 Sep - Mon, 14 Sep

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

7h 15mdirect

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

7h 50mdirect

C$ 828Virgin Atlantic

Thu, 1 Oct - Wed, 7 Oct

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

7h 00mdirect

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

7h 45mdirect

C$ 838Air Canada

Fri, 18 Sep - Tue, 29 Sep

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

7h 15mdirect

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

7h 50mdirect

C$ 841Virgin Atlantic

Thu, 1 Oct - Sat, 10 Oct

6:40 p.m. - 6:30 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow

6h 50mdirect

2:05 p.m. - 4:40 p.m.LHR London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl

7h 35mdirect

C$ 848Air Canada

Sun, 6 Sep - Sat, 12 Sep

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Icelandair flights from Region of Ontario to London

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

Icelandair

22 Sep

YYZ8:45 p.m.Toronto Pearson Intl

10h 10m

1 stop

LHR11:55 a.m.London Heathrow

2 Oct

LHR1:05 p.m.London Heathrow

14h 00m

1 stop

YYZ10:05 p.m.Toronto Pearson Intl

C$ 753

Icelandair

29 Sep

YYZ8:45 p.m.Toronto Pearson Intl

18h 35m

1 stop

LHR8:20 p.m.London Heathrow

4 Oct

LHR9:25 p.m.London Heathrow

29h 40m

1 stop

YYZ10:05 p.m.Toronto Pearson Intl

C$ 756

Icelandair

25 Sep

YYZ11:10 p.m.Toronto Pearson Intl

31h 45m

1 stop

LHR11:55 a.m.London Heathrow

9 Oct

LHR1:05 p.m.London Heathrow

14h 00m

1 stop

YYZ10:05 p.m.Toronto Pearson Intl

C$ 757

TAP AIR PORTUGAL flights from Region of Ontario to London

Our best TAP AIR PORTUGAL deals on Region of Ontario to London flight tickets

TAP AIR PORTUGAL

17 Nov

YYZ5:30 p.m.Toronto Pearson Intl

14h 10m

1 stop

LHR12:40 p.m.London Heathrow

22 Nov

LHR6:00 a.m.London Heathrow

13h 40m

1 stop

YYZ2:40 p.m.Toronto Pearson Intl

C$ 766

TAP AIR PORTUGAL

7 Oct

YYZ5:35 p.m.Toronto Pearson Intl

17h 00m

1 stop

LHR3:35 p.m.London Heathrow

14 Oct

LHR7:50 p.m.London Heathrow

23h 10m

1 stop

YYZ2:00 p.m.Toronto Pearson Intl

C$ 768

TAP AIR PORTUGAL

5 Oct

YYZ10:55 p.m.Toronto Pearson Intl

14h 55m

1 stop

LHR6:50 p.m.London Heathrow

9 Dec

LHR8:15 a.m.London Heathrow

18h 00m

1 stop

YYZ9:15 p.m.Toronto Pearson Intl

C$ 773

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 17/9

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

Nonstop6h 45m

London Gatwick

Wed 23/9

9:40 a.m.-7:20 p.m.

1 stop14h 40m

C$ 731

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 17/9

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

Nonstop6h 45m

London Gatwick

Wed 23/9

9:40 a.m.-7:20 p.m.

1 stop14h 40m

C$ 734

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 8/10

10:45 p.m.-11:20 p.m.

2 stops19h 35m

London Gatwick

Wed 14/10

7:25 a.m.-8:45 p.m.

2 stops18h 20m

C$ 734

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 3/11

6:30 p.m.-4:35 p.m.

1 stop17h 05m

London Gatwick

Tue 10/11

7:35 p.m.-12:30 p.m.

1 stop21h 55m

C$ 738

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Tue 22/9

8:45 p.m.-11:55 a.m.

1 stop10h 10m

London Heathrow

Fri 2/10

1:05 p.m.-10:05 p.m.

1 stop14h 00m

C$ 753

Quickest round-trip

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Mon 16/11

7:40 p.m.-10:50 a.m.

1 stop10h 10m

London Heathrow

Mon 30/11

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

1 stop11h 00m

C$ 753

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Tue 2/2

6:30 p.m.-2:05 p.m.

1 stop14h 35m

London Heathrow

Thu 4/2

1:45 p.m.-4:15 p.m.

1 stop31h 30m

C$ 764

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Sun 25/10

11:45 p.m.-10:40 p.m.

1 stop18h 55m

London Heathrow

Sat 7/11

6:30 p.m.-2:40 p.m.

1 stop25h 10m

C$ 764

TorontoLondon

YYZ Toronto Pearson Intl - LHR London Heathrow

YYZLHR

Toronto Pearson Intl

Mon 5/10

5:45 p.m.-10:20 a.m.

1 stop11h 35m

London Heathrow

Thu 15/10

6:00 a.m.-2:00 p.m.

1 stop13h 00m

C$ 764

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 1/11

4:10 p.m.-11:20 a.m.

1 stop14h 10m

London Heathrow

Tue 3/11

11:05 a.m.-11:40 a.m.

1 stop29h 35m

C$ 778

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 Region of Ontario to London

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 London?

In general, February is the cheapest month to fly from Region of Ontario to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 813. If you aren’t able to travel to London during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 833.

What is the cheapest day to depart on your flight to London?

According to our data, Thursday is the cheapest day to fly to London from Region of Ontario. The lowest ticket price found for a Thursday departure recently was C$ 1,234. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to London for around C$ 1,310.

What is the cheapest time of day to depart on your flight to London?

Our most recent data shows that the best time of day to fly to London is in the evening. Flights from Region of Ontario to London during this time can be as low as C$ 1,205. In the afternoon is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,379 per ticket.

What is the cheapest Ontario to London flight route?

Fly from Ottawa to London Gatwick for the best Ontario - London flight prices

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

You are more likely to see cheaper flights to London from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around C$ 1,011 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Region of Ontario for as low as C$ 925 on momondo.

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

There are 4 cabin classes available to choose from on Region of Ontario to London 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 Region of Ontario to London flights?

You could potentially save up to 85% on your flight if you consider stops on a Region of Ontario to London flight.

Cheap Region of Ontario to London flight deals and tips

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

Best price found	C$ 406
Fastest flight time	6h 35m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from Region of Ontario in the past 72 hours is C$ 406. The best round-trip flight deal from Region of Ontario to London found on momondo in the last 72 hours is C$ 685.

The fastest flight from Region of Ontario to London takes 6h 35m

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

There are 6 airports in London. From Region of Ontario there are direct flights to London Heathrow (LHR), London Gatwick (LGW).

Search flight deals

Frequently asked questions about flying from Ontario to London

When did momondo last update prices for flights from Ontario to London?
Prices for flights from Ontario to London are updated daily.
How many operators does momondo search for flights from Ontario to London?
There are 17 operators available for flights from Ontario to London as of August 2026.
How old do you have to be to fly from Ontario to London?
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 Ontario to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London 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 London. 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 Region of Ontario to London?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to London is Airbus A350-1000 (20.06% of total bookings). The next most popular plane models are Airbus A321neo (14.83%), Airbus A330-200 (14.74%), and Boeing 777-300ER (9.77%).

Best airlines flying from Region of Ontario to London

Compare and see reviews for airlines that fly from Region of Ontario to London with momondo

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom C$ 598	Free Cancellation	Rating 7.5 694 reviews	Search Virgin Atlantic flights
TAP AIR PORTUGAL	PriceFrom C$ 606	Free Cancellation	Rating 7.2 2,363 reviews	Search TAP AIR PORTUGAL flights
Icelandair	PriceFrom C$ 640	Free Cancellation	Rating 6.9 728 reviews	Search Icelandair flights
Air Transat	PriceFrom C$ 682	Free Cancellation	Rating 7.8 572 reviews	Search Air Transat flights
Iberia	PriceFrom C$ 709	Free Cancellation	Rating 7.0 3,263 reviews	Search Iberia flights
British Airways	PriceFrom C$ 733	Free Cancellation	Rating 6.7 8,159 reviews	Search British Airways flights
Aer Lingus	PriceFrom C$ 738	Free Cancellation	Rating 7.3 1,693 reviews	Search Aer Lingus flights
WestJet	PriceFrom C$ 747	Free Cancellation	Rating 7.2 3,431 reviews	Search WestJet flights
KLM	PriceFrom C$ 753	Free Cancellation	Rating 7.8 1,556 reviews	Search KLM flights
Air Canada	PriceFrom C$ 761	Free Cancellation	Rating 7.1 11,462 reviews	Search Air Canada flights

Hounslow

Milton Keynes

Gatwick

Wembley

Staines-upon-Thames

Slough

Banbury

Ramsgate

Watford

Wokingham

Dartford

Feltham

Hayes

Crawley

Croydon

Chelmsford

Waterlooville

Richmond

Basingstoke

Woking

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to London. momondo saves you time and could save you money on your trip.

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

Yes. All flights to London from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Ontario to London 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 Ontario to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Ontario to London from C$ 381

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to London departing on 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Icelandair flights from Region of Ontario to London

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

TAP AIR PORTUGAL flights from Region of Ontario to London

Our best TAP AIR PORTUGAL deals on Region of Ontario to London flight tickets

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See travel insights to London from

How to get the cheapest flight ticket from Region of Ontario to London

What is the cheapest month to fly to London?

What is the cheapest day to depart on your flight to London?

What is the cheapest time of day to depart on your flight to London?

What is the cheapest Ontario to London flight route?

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

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

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

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

Which airlines fly to London?

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

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

How long does it take to fly to London?

Cheap Region of Ontario to London flight deals and tips

Best price found

Fastest flight time

Direct flights

Airports in London

Frequently asked questions about flying from Ontario to London

Best airlines flying from Region of Ontario to London

Compare and see reviews for airlines that fly from Region of Ontario to London with momondo

Travelling to a place near London?

Why use momondo?

An easier way to manage your London 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.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 57.3 km from London

Fly your favourite airline to London

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

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular Cities in the United Kingdom

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

Fly to other destinations from Ontario

According to popular flight searches on momondo this year

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year