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Cheap flights from London to Ontario from £278

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 23/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London to Los Angeles

Cheap return flights

These are some of the best return flight deals from London to Los Angeles that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London to Los Angeles.

Cheap last-minute flights

Planning a quick getaway from London to Los Angeles? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Los Angeles, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London to Los Angeles

Find recent round-trip train or bus tickets from London to Los Angeles.

All round-trip flight deals to Los Angeles

The cheapest plane tickets to Los Angeles found on KAYAK recently.
20:00 - 22:13LHR-ONT
34h 13m2 stops
06:05 - 09:40ONT-LHR
19h 35m1 stop
Wed, 4 Dec - Tue, 10 Dec
06:20 - 22:45LHR-ONT
24h 25m2 stops
07:10 - 06:20ONT-LHR
15h 10m1 stop
£446Delta
Find Deal
Wed, 4 Dec - Tue, 10 Dec
13:15 - 16:45LHR-ONT
35h 30m1 stop
17:35 - 11:10ONT-LHR
33h 35m1 stop
£452Virgin Atlantic
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Wed, 4 Dec - Tue, 10 Dec
12:30 - 18:37LGW-ONT
38h 07m2 stops
06:00 - 18:50ONT-LGW
28h 50m2 stops
£473Finnair
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Mon, 27 Jan - Mon, 3 Feb
13:50 - 22:16LHR-ONT
16h 26m1 stop
14:44 - 12:05ONT-LHR
13h 21m1 stop
£489Finnair
Find Deal
Wed, 15 Jan - Wed, 22 Jan
14:50 - 20:17LHR-ONT
13h 27m1 stop
13:00 - 09:40ONT-LHR
12h 40m1 stop
£500United Airlines
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Mon, 5 May - Mon, 12 May
11:10 - 23:58LHR-ONT
20h 48m2 stops
06:10 - 05:55ONT-LHR
15h 45m2 stops
£504United Airlines
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Tue, 3 Dec - Tue, 10 Dec
09:25 - 18:38LHR-ONT
17h 13m1 stop
23:59 - 12:05ONT-LHR
28h 06m1 stop
£553British Airways
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Tue, 10 Dec - Mon, 23 Dec
10:45 - 23:53LHR-ONT
21h 08m1 stop
13:21 - 10:00ONT-LHR
12h 39m1 stop
£560Virgin Atlantic
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Thu, 16 Jan - Fri, 24 Jan
13:50 - 22:00LHR-ONT
16h 10m1 stop
10:51 - 09:40ONT-LHR
14h 49m1 stop
£566British Airways
Find Deal
Mon, 17 Feb - Fri, 28 Feb
12:00 - 11:32LGW-ONT
31h 32m1 stop
Thu, 23 Jan
14:00 - 09:40LGW-ONT
27h 40m2 stops
Thu, 23 Jan
12:00 - 19:59LGW-ONT
15h 59m1 stop
Thu, 12 Dec
06:30 - 20:44LHR-ONT
22h 14m2 stops
£531United Airlines
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Fri, 29 Nov
06:30 - 22:23LHR-ONT
23h 53m2 stops
£532United Airlines
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Mon, 25 Nov
13:50 - 22:16LHR-ONT
16h 26m1 stop
£596Finnair
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Wed, 22 Jan
10:45 - 23:53LHR-ONT
21h 08m1 stop
£1,147Virgin Atlantic
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Wed, 8 Jan
13:50 - 22:16LHR-ONT
16h 26m1 stop
£1,172British Airways
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Tue, 21 Jan
10:40 - 18:37LHR-ONT
15h 57m1 stop
£1,180British Airways
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Mon, 20 Jan
10:45 - 23:53LHR-ONT
21h 08m1 stop
£1,194Virgin Atlantic
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Thu, 27 Feb
12:00 - 09:04LGW-ONT
29h 04m1 stop
22:05 - 10:35ONT-LGW
28h 30m1 stop
Thu, 21 Nov - Mon, 25 Nov
10:05 - 17:43LHR-ONT
15h 38m1 stop
13:55 - 12:00ONT-LHR
14h 05m1 stop
£760United Airlines
Find Deal
Mon, 25 Nov - Mon, 2 Dec
14:30 - 23:01LHR-ONT
16h 31m1 stop
13:00 - 10:35ONT-LHR
13h 35m1 stop
£777KLM
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Mon, 25 Nov - Mon, 27 Jan
14:30 - 23:01LHR-ONT
16h 31m1 stop
07:10 - 06:20ONT-LHR
15h 10m1 stop
£787KLM
Find Deal
Thu, 21 Nov - Thu, 28 Nov
13:50 - 22:14LHR-ONT
16h 24m1 stop
23:59 - 12:05ONT-LHR
28h 06m1 stop
£820British Airways
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Fri, 22 Nov - Sun, 24 Nov
13:50 - 22:14LHR-ONT
16h 24m1 stop
10:42 - 07:20ONT-LHR
12h 38m1 stop
£838Iberia
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Fri, 22 Nov - Sat, 7 Dec
11:10 - 22:23LHR-ONT
19h 13m2 stops
06:00 - 06:30ONT-LHR
16h 30m2 stops
£857Air Canada
Find Deal
Fri, 22 Nov - Sun, 24 Nov
13:50 - 22:14LHR-ONT
16h 24m1 stop
14:53 - 07:20ONT-LHR
32h 27m1 stop
£858Iberia
Find Deal
Fri, 22 Nov - Sun, 24 Nov
11:10 - 22:23LHR-ONT
19h 13m2 stops
13:55 - 07:10ONT-LHR
33h 15m3 stops
£1,029Air Canada
Find Deal
Thu, 21 Nov - Thu, 28 Nov
11:00 - 23:57LGW-ONT
20h 57m2 stops
06:05 - 10:15ONT-LGW
20h 10m2 stops
£1,053British Airways
Find Deal
Thu, 21 Nov - Thu, 28 Nov

Delta flights from London to Ontario

Our best Delta deals on London to Ontario flight tickets
Delta
4 Dec
LHR06:20London Heathrow
24h 25m
2 stops
ONT22:45Ontario
10 Dec
ONT07:10Ontario
15h 10m
1 stop
LHR06:20London Heathrow
Delta
4 Dec
LHR06:20London Heathrow
18h 25m
2 stops
ONT16:45Ontario
10 Dec
ONT06:00Ontario
17h 05m
2 stops
LHR07:05London Heathrow
Delta
18 Feb
LHR10:45London Heathrow
13h 43m
1 stop
ONT16:28Ontario
24 Feb
ONT13:21Ontario
12h 39m
1 stop
LHR10:00London Heathrow

Virgin Atlantic flights from London to Ontario

Our best Virgin Atlantic deals on London to Ontario flight tickets
Virgin Atlantic
4 Dec
LHR13:15London Heathrow
35h 30m
1 stop
ONT16:45Ontario
10 Dec
ONT17:35Ontario
33h 35m
1 stop
LHR11:10London Heathrow
Virgin Atlantic
16 Jan
LHR10:45London Heathrow
21h 08m
1 stop
ONT23:53Ontario
24 Jan
ONT13:21Ontario
12h 39m
1 stop
LHR10:00London Heathrow

See travel insights to Los Angeles from

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 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 Friday.

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

In the evening. London to Ontario flights are approximately 14% more expensive at midday than in the evening

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.

What is the typical price of a round-trip flight between London and Ontario?


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

£278

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 £278. The best return flight deal from London to Ontario found on momondo in the last 72 hours is £443.
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 City Airport - Ontario Airport, 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 £392Free CancellationRating
7.5
663 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £410Free CancellationRating
6.6
6,837 reviews
Search British Airways flights
FinnairPriceFrom £433Free CancellationRating
7.7
1,300 reviews
Search Finnair flights
LufthansaPriceFrom £479Free CancellationRating
6.8
7,150 reviews
Search Lufthansa flights
United AirlinesPriceFrom £531Free CancellationRating
7.4
9,173 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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