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Cheap flights from London to Ontario from £289

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 20/2. 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.
09:20 - 21:57LHR-ONT
20h 37m1 stop
06:15 - 12:00ONT-LHR
21h 45m1 stop
Tue, 14 Jan - Tue, 21 Jan
19:30 - 18:04LHR-ONT
30h 34m2 stops
06:15 - 07:25ONT-LHR
17h 10m1 stop
Tue, 14 Jan - Tue, 21 Jan
09:30 - 21:57LHR-ONT
20h 27m2 stops
10:36 - 12:00ONT-LHR
17h 24m1 stop
£403United Airlines
Find Deal
Tue, 11 Feb - Tue, 4 Mar
13:50 - 22:45LHR-ONT
16h 55m1 stop
14:54 - 12:05ONT-LHR
13h 11m1 stop
£414Finnair
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Wed, 12 Feb - Wed, 26 Feb
11:50 - 20:53LHR-ONT
16h 03m1 stop
10:57 - 07:20ONT-LHR
13h 23m1 stop
£424Finnair
Find Deal
Wed, 19 Mar - Wed, 26 Mar
10:45 - 23:25LHR-ONT
20h 40m1 stop
13:21 - 10:00ONT-LHR
12h 39m1 stop
£447Virgin Atlantic
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Sat, 11 Jan - Tue, 14 Jan
10:40 - 22:17LHR-ONT
18h 37m1 stop
16:30 - 13:20ONT-LHR
13h 50m1 stop
£452British Airways
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Tue, 18 Mar - Tue, 25 Mar
10:05 - 18:04LHR-ONT
14h 59m1 stop
13:20 - 10:25ONT-LHR
13h 05m1 stop
£465United Airlines
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Wed, 19 Mar - Mon, 31 Mar
10:40 - 18:35LHR-ONT
15h 55m1 stop
10:57 - 07:20ONT-LHR
13h 23m1 stop
£466British Airways
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Tue, 18 Feb - Tue, 11 Mar
10:45 - 23:53LHR-ONT
21h 08m1 stop
06:00 - 10:00ONT-LHR
20h 00m1 stop
£518Virgin Atlantic
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Thu, 23 Jan - Tue, 11 Feb
12:00 - 20:35LGW-ONT
16h 35m1 stop
Thu, 20 Feb
07:25 - 23:47LGW-ONT
48h 22m3 stops
Wed, 5 Feb
10:40 - 18:37LHR-ONT
15h 57m1 stop
£580Finnair
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Sat, 1 Feb
10:40 - 18:37LHR-ONT
15h 57m1 stop
£603Finnair
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Mon, 13 Jan
20:05 - 22:32LCY-ONT
34h 27m2 stops
£651Virgin Atlantic
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Fri, 17 Jan
09:25 - 18:35LHR-ONT
17h 10m1 stop
£1,174British Airways
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Wed, 19 Feb
10:40 - 18:35LHR-ONT
15h 55m1 stop
£1,180British Airways
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Tue, 18 Feb
11:10 - 20:52LHR-ONT
17h 42m2 stops
£1,185United Airlines
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Tue, 18 Feb
07:40 - 20:57LHR-ONT
20h 17m2 stops
£1,221United Airlines
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Thu, 13 Mar
13:15 - 22:32LHR-ONT
17h 17m1 stop
£2,304Virgin Atlantic
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Mon, 13 Jan
16:20 - 13:58LHR-ONT
53h 38m2 stops
12:36 - 09:40ONT-LHR
13h 04m1 stop
£1,003British Airways
Find Deal
Mon, 23 Dec - Mon, 30 Dec
16:20 - 13:58LHR-ONT
53h 38m2 stops
16:25 - 13:20ONT-LHR
12h 55m1 stop
£1,006British Airways
Find Deal
Mon, 23 Dec - Mon, 30 Dec
12:00 - 07:09LGW-ONT
27h 09m1 stop
09:00 - 10:35ONT-LGW
17h 35m1 stop
£1,081
Find Deal
Thu, 19 Dec - Sun, 22 Dec
10:05 - 17:53LHR-ONT
15h 48m1 stop
13:57 - 12:00ONT-LHR
14h 03m1 stop
£1,211United Airlines
Find Deal
Mon, 23 Dec - Mon, 30 Dec
10:05 - 17:53LHR-ONT
15h 48m1 stop
13:57 - 12:00ONT-LHR
14h 03m1 stop
£1,215United Airlines
Find Deal
Mon, 23 Dec - Mon, 30 Dec
10:45 - 00:29LHR-ONT
21h 44m1 stop
13:15 - 10:00ONT-LHR
12h 45m1 stop
£1,255Virgin Atlantic
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Thu, 19 Dec - Sat, 28 Dec
08:20 - 22:28LHR-ONT
22h 08m1 stop
10:46 - 06:20ONT-LHR
35h 34m1 stop
£1,290Iberia
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Mon, 23 Dec - Mon, 30 Dec
13:45 - 23:00LHR-ONT
17h 15m1 stop
05:05 - 09:40ONT-LHR
20h 35m1 stop
£1,377Lufthansa
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Sat, 21 Dec - Sun, 22 Dec
10:05 - 17:53LHR-ONT
15h 48m1 stop
06:00 - 07:25ONT-LHR
17h 25m1 stop
£1,478Lufthansa
Find Deal
Mon, 23 Dec - Thu, 26 Dec
10:05 - 23:57LHR-ONT
21h 52m2 stops
10:46 - 16:05ONT-LHR
21h 19m2 stops
£1,506Iberia
Find Deal
Thu, 19 Dec - Wed, 1 Jan

American Airlines flights from London to Ontario

Our best American Airlines deals on London to Ontario flight tickets
American Airlines
13 Jan
LGW11:20London Gatwick
30h 36m
2 stops
ONT09:56Ontario
26 Jan
ONT23:59Ontario
25h 01m
2 stops
LGW09:00London Gatwick
American Airlines
13 Jan
LGW11:20London Gatwick
34h 31m
2 stops
ONT13:51Ontario
27 Jan
ONT06:00Ontario
19h 00m
2 stops
LGW09:00London Gatwick

Virgin Atlantic flights from London to Ontario

Our best Virgin Atlantic deals on London to Ontario flight tickets
Virgin Atlantic
11 Jan
LHR10:45London Heathrow
20h 40m
1 stop
ONT23:25Ontario
14 Jan
ONT13:21Ontario
12h 39m
1 stop
LHR10:00London Heathrow
Virgin Atlantic
28 Dec
LHR10:45London Heathrow
21h 43m
1 stop
ONT00:28Ontario
11 Jan
ONT06:00Ontario
20h 00m
1 stop
LHR10:00London Heathrow
Virgin Atlantic
23 Jan
LHR10:45London Heathrow
21h 08m
1 stop
ONT23:53Ontario
11 Feb
ONT06:00Ontario
20h 00m
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 to Ontario?

The month of April is, on average, the cheapest month to fly to Ontario from London, with most prices found around £465. If you’re not able to fly to Ontario in April, then February is your next best option. Flight prices from London to Ontario during February average around £469.

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

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as £519. This is often the case because there is less demand to fly during this day of the week. Flights from London to Ontario on a Sunday will generally be more expensive and average around £597. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Ontario from London in the evening is the least expensive time of day to depart. momondo users have found prices as low as £507 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Ontario is at midday when prices are around £596.

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

Most flyers found that booking tickets 31 days in advance of their planned departure date is the best time to get cheap flights to Ontario. During this timeframe, flight prices are around £586. However, in the past 72 hours, people saw flights from London for as low as £316.

Can stopping save me money on London to Ontario flights?

You could potentially save up to 8% 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

£289

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 £289. The best return flight deal from London to Ontario found on momondo in the last 72 hours is £398.
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 £393Free CancellationRating
7.5
668 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £430Free CancellationRating
6.6
6,817 reviews
Search British Airways flights
FinnairPriceFrom £432Free CancellationRating
7.7
1,285 reviews
Search Finnair flights
LufthansaPriceFrom £478Free CancellationRating
6.8
7,087 reviews
Search Lufthansa flights
United AirlinesPriceFrom £530Free CancellationRating
7.4
9,055 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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