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Cheap flights from London to Ontario from £254

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 12/11. 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
0 bags

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08:20 - 18:33LHR-ONT
18h 13m1 stop
23:59 - 06:20ONT-LHR
22h 21m1 stop
£438British Airways
Find Deal
Tue, 19 Nov - Sun, 24 Nov
09:25 - 18:27LHR-ONT
17h 02m2 stops
16:25 - 13:20ONT-LHR
12h 55m1 stop
£439American Airlines
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Wed, 11 Dec - Thu, 26 Dec
13:50 - 22:14LHR-ONT
16h 24m1 stop
14:53 - 07:20ONT-LHR
32h 27m1 stop
£443Finnair
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Thu, 14 Nov - Wed, 20 Nov
14:30 - 23:01LHR-ONT
16h 31m1 stop
15:00 - 12:40ONT-LHR
13h 40m1 stop
£445Delta
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Thu, 5 Dec - Wed, 25 Dec
13:05 - 22:40LHR-ONT
17h 35m1 stop
11:29 - 09:10ONT-LHR
13h 41m1 stop
£475Virgin Atlantic
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Sat, 1 Mar - Wed, 30 Apr
18:00 - 23:58LHR-ONT
37h 58m2 stops
06:00 - 20:35ONT-LHR
30h 35m2 stops
£484United Airlines
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Mon, 2 Dec - Mon, 9 Dec
10:05 - 17:43LHR-ONT
15h 38m1 stop
13:55 - 12:00ONT-LHR
14h 05m1 stop
£498United Airlines
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Tue, 19 Nov - Tue, 26 Nov
09:10 - 22:42LHR-ONT
21h 32m2 stops
07:00 - 11:10ONT-LHR
20h 10m1 stop
£531Virgin Atlantic
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Fri, 13 Dec - Tue, 24 Dec
11:50 - 20:37LHR-ONT
16h 47m1 stop
06:00 - 06:20ONT-LHR
16h 20m1 stop
£543Finnair
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Sat, 28 Dec - Sat, 11 Jan
11:25 - 20:17LHR-ONT
16h 52m1 stop
20:18 - 07:25ONT-LHR
27h 07m1 stop
£732Lufthansa
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Sat, 3 May - Sat, 24 May
12:00 - 08:23LGW-ONT
28h 23m1 stop
Tue, 12 Nov
14:00 - 08:33LGW-ONT
26h 33m2 stops
Mon, 18 Nov
08:20 - 18:38LHR-ONT
18h 18m1 stop
£397British Airways
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Wed, 11 Dec
13:50 - 22:14LHR-ONT
16h 24m1 stop
£423Finnair
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Mon, 25 Nov
09:25 - 18:33LHR-ONT
17h 08m1 stop
£428Finnair
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Tue, 12 Nov
06:30 - 20:44LHR-ONT
22h 14m2 stops
£530United Airlines
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Sat, 9 Nov
20:05 - 22:40LCY-ONT
34h 35m2 stops
£536Virgin Atlantic
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Fri, 14 Feb
13:45 - 22:23LHR-ONT
16h 38m1 stop
£537United Airlines
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Sun, 10 Nov
09:25 - 17:58LHR-ONT
15h 33m1 stop
£736British Airways
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Mon, 17 Mar
10:45 - 23:55LHR-ONT
20h 10m1 stop
£1,170Virgin Atlantic
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Tue, 18 Mar
12:00 - 07:08LGW-ONT
27h 08m1 stop
12:32 - 10:35ONT-LGW
14h 03m1 stop
Thu, 7 Nov - Thu, 14 Nov
11:40 - 07:08LHR-ONT
27h 28m2 stops
05:45 - 10:55ONT-LHR
21h 10m1 stop
Sat, 9 Nov - Thu, 14 Nov
13:45 - 22:23LHR-ONT
16h 38m1 stop
13:55 - 12:00ONT-LHR
14h 05m1 stop
£758United Airlines
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Wed, 6 Nov - Wed, 27 Nov
13:45 - 22:23LHR-ONT
16h 38m1 stop
13:55 - 12:00ONT-LHR
14h 05m1 stop
£788United Airlines
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Sun, 10 Nov - Mon, 18 Nov
13:50 - 22:14LHR-ONT
16h 24m1 stop
23:59 - 07:20ONT-LHR
23h 21m1 stop
£814British Airways
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Sat, 9 Nov - Sun, 10 Nov
13:50 - 22:14LHR-ONT
16h 24m1 stop
14:53 - 12:05ONT-LHR
13h 12m1 stop
£844British Airways
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Fri, 8 Nov - Sat, 23 Nov
10:40 - 18:33LHR-ONT
15h 53m1 stop
10:43 - 07:20ONT-LHR
12h 37m1 stop
£931Finnair
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Sun, 10 Nov - Fri, 15 Nov
09:20 - 22:02LHR-ONT
20h 42m1 stop
06:10 - 07:30ONT-LHR
17h 20m1 stop
£1,707Lufthansa
Find Deal
Sat, 9 Nov - Thu, 14 Nov
11:35 - 20:44LHR-ONT
17h 09m1 stop
05:05 - 09:40ONT-LHR
20h 35m1 stop
£1,999Lufthansa
Find Deal
Sun, 10 Nov - Fri, 15 Nov
09:25 - 18:33LHR-ONT
17h 08m1 stop
10:42 - 07:20ONT-LHR
12h 38m1 stop
£12,341Finnair
Find Deal
Wed, 6 Nov - Wed, 18 Dec

British Airways flights from London to Ontario

Our best British Airways deals on London to Ontario flight tickets
British Airways
19 Nov
LHR08:20London Heathrow
18h 13m
1 stop
ONT18:33Ontario
24 Nov
ONT23:59Ontario
22h 21m
1 stop
LHR06:20London Heathrow
British Airways
2 Dec
LHR16:15London Heathrow
34h 18m
2 stops
ONT18:33Ontario
9 Dec
ONT10:41Ontario
12h 39m
1 stop
LHR07:20London Heathrow
British Airways
15 Feb
LHR09:25London Heathrow
16h 36m
1 stop
ONT18:01Ontario
20 Feb
ONT01:32Ontario
20h 48m
1 stop
LHR06:20London Heathrow

Finnair flights from London to Ontario

Our best Finnair deals on London to Ontario flight tickets
Finnair
14 Nov
LHR13:50London Heathrow
16h 24m
1 stop
ONT22:14Ontario
20 Nov
ONT14:53Ontario
32h 27m
1 stop
LHR07:20London Heathrow
Finnair
11 Nov
LHR08:20London Heathrow
18h 13m
1 stop
ONT18:33Ontario
26 Nov
ONT07:15Ontario
16h 05m
1 stop
LHR07:20London Heathrow
Finnair
11 Nov
LHR11:50London Heathrow
16h 46m
1 stop
ONT20:36Ontario
14 Nov
ONT10:43Ontario
12h 37m
1 stop
LHR07:20London Heathrow

How to get the cheapest flight ticket from London to 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 typical price of a round-trip flight between London and Ontario?

What is the cheapest month to fly from London to Ontario?

April. The cheapest time of year to fly to Ontario from London is April. The most expensive is August.

What is the cheapest day to depart London for Ontario?

Wednesday. The cheapest day of the week is usually Wednesday. The most expensive is usually Sunday.

When is the cheapest time to fly from London to Ontario?

In the evening. London to Ontario flights are approximately 12% more expensive at midday than in the evening

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

Virgin Atlantic. Virgin Atlantic, Finnair, and Lufthansa are the most popular carriers operating from London to Ontario

What is the cheapest London to Ontario flight route?

London Heathrow - Ontario. Fly from London Heathrow to Ontario for the best London - Ontario flight prices

How far in advance should you book London to Ontario flights?

58 days before. The cheapest time to buy a flight from London to Ontario is approximately 58 days to departure

Can stopping save me money on London to Ontario flights?

You could potentially save up to 3% on your flight if you consider stops on a London to Ontario flight.

When to book flights from London to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from London to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Ontario (LON to ONT) flight deals and tips

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

Best price found

£254

Fastest flight time

13h 27m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from London in the past 72 hours is £254. The best return flight deal from London to Ontario found on momondo in the last 72 hours is £438.
The fastest flight from London to Ontario takes 13h 27m
There are no direct flights from London to Ontario. Popular non-direct routes for this connection are London Heathrow Airport - Ontario Airport and London Gatwick Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is London to Ontario by plane?

    There are 5417.5 mi between London and Ontario. Flights usually cover this in 13h 27m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London to Ontario Airport are refreshed on a daily basis.

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

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

    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 to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London to Ontario?


Best airlines flying from London to Ontario

Compare and see reviews for airlines that fly from London to Ontario with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £368Free CancellationRating
7.6
666 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £381Free CancellationRating
6.7
6,842 reviews
Search British Airways flights
FinnairPriceFrom £412Free CancellationRating
7.7
1,316 reviews
Search Finnair flights
LufthansaPriceFrom £479Free CancellationRating
6.8
7,165 reviews
Search Lufthansa flights
United AirlinesPriceFrom £509Free CancellationRating
7.4
9,226 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Ontario from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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?

momondo provides multiple filters to help you find the best flight to Ontario from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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