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Cheap flights from London to Ontario from €447

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London to Ontario departing on 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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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.
06:10 - 22:16LHR-ONT
24h 06m2 stops
16:25 - 13:20ONT-LHR
12h 55m1 stop
€447British Airways
Find Deal
Tue, 11 Feb - Tue, 25 Feb
06:20 - 16:23LHR-ONT
18h 03m2 stops
07:00 - 08:00ONT-LHR
17h 00m2 stops
€460Delta
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Tue, 11 Feb - Tue, 25 Feb
12:20 - 23:01LHR-ONT
18h 41m2 stops
13:25 - 10:00ONT-LHR
12h 35m1 stop
€461Delta
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Wed, 4 Dec - Wed, 11 Dec
10:45 - 16:30LHR-ONT
13h 45m1 stop
12:39 - 10:35ONT-LHR
13h 56m1 stop
€463KLM
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Tue, 10 Dec - Thu, 23 Jan
14:30 - 23:01LHR-ONT
16h 31m1 stop
12:11 - 10:35ONT-LHR
14h 24m1 stop
€464KLM
Find Deal
Mon, 25 Nov - Tue, 10 Dec
13:15 - 22:42LHR-ONT
17h 27m1 stop
12:55 - 10:35ONT-LHR
13h 40m1 stop
€471Delta
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Wed, 11 Dec - Tue, 24 Dec
06:30 - 09:53LHR-ONT
35h 23m2 stops
18:50 - 07:25ONT-LHR
28h 35m1 stop
€564United Airlines
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Tue, 10 Dec - Sun, 29 Dec
18:00 - 23:58LHR-ONT
37h 58m2 stops
06:10 - 06:55ONT-LHR
16h 45m2 stops
€578United Airlines
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Mon, 2 Dec - Tue, 10 Dec
12:15 - 23:24LHR-ONT
19h 09m2 stops
11:30 - 11:55ONT-LHR
16h 25m2 stops
€1,043
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Thu, 27 Feb - Fri, 4 Apr
12:15 - 21:27LHR-ONT
17h 12m2 stops
11:30 - 11:55ONT-LHR
16h 25m2 stops
€1,070
Find Deal
Tue, 4 Mar - Tue, 8 Apr
08:30 - 22:23LHR-ONT
21h 53m2 stops
€633United Airlines
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Sun, 10 Nov
11:35 - 22:23LHR-ONT
18h 48m2 stops
€641United Airlines
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Fri, 8 Nov
12:15 - 21:27LHR-ONT
17h 12m2 stops
€877
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Wed, 19 Feb
13:05 - 22:37LHR-ONT
17h 32m2 stops
€878
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Sun, 13 Apr
13:15 - 20:15LHR-ONT
15h 00m1 stop
€1,396Delta
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Tue, 31 Dec
13:05 - 22:42LHR-ONT
17h 37m1 stop
€1,447Delta
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Sun, 29 Dec
09:15 - 23:57LHR-ONT
22h 42m2 stops
€1,455British Airways
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Thu, 2 Jan
08:10 - 20:57LHR-ONT
20h 47m2 stops
€1,540British Airways
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Sat, 28 Dec
14:30 - 23:41LHR-ONT
17h 11m1 stop
€1,550KLM
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Fri, 27 Dec
15:50 - 22:42LHR-ONT
14h 52m1 stop
€2,383KLM
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Sun, 5 Jan
10:05 - 17:43LHR-ONT
15h 38m1 stop
13:55 - 12:00ONT-LHR
14h 05m1 stop
€905United Airlines
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Tue, 5 Nov - Mon, 18 Nov
10:05 - 17:43LHR-ONT
15h 38m1 stop
13:55 - 12:00ONT-LHR
14h 05m1 stop
€941United Airlines
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Wed, 6 Nov - Sun, 10 Nov
13:45 - 22:23LHR-ONT
15h 38m1 stop
13:55 - 12:00ONT-LHR
14h 05m1 stop
€977United Airlines
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Sat, 2 Nov - Sat, 9 Nov
06:30 - 17:43LHR-ONT
18h 13m2 stops
13:55 - 12:00ONT-LHR
14h 05m1 stop
€1,099United Airlines
Find Deal
Sat, 2 Nov - Sat, 9 Nov
10:05 - 17:43LHR-ONT
15h 38m1 stop
13:55 - 12:00ONT-LHR
14h 05m1 stop
€1,458United Airlines
Find Deal
Sun, 3 Nov - Wed, 6 Nov

British Airways flights from London to Ontario

Our best British Airways deals on London to Ontario flight tickets
British Airways
11 Feb
LHR06:10London Heathrow
24h 06m
2 stops
ONT22:16Ontario
25 Feb
ONT16:25Ontario
12h 55m
1 stop
LHR13:20London Heathrow
British Airways
10 Jan
LHR08:20London Heathrow
18h 17m
1 stop
ONT18:37Ontario
20 Jan
ONT06:05Ontario
17h 15m
1 stop
LHR07:20London Heathrow
British Airways
6 Feb
LHR11:25London Heathrow
20h 33m
2 stops
ONT23:58Ontario
14 Feb
ONT08:52Ontario
15h 23m
1 stop
LHR08:15London Heathrow

Delta flights from London to Ontario

Our best Delta deals on London to Ontario flight tickets
Delta
11 Feb
LHR06:20London Heathrow
18h 03m
2 stops
ONT16:23Ontario
25 Feb
ONT07:00Ontario
17h 00m
2 stops
LHR08:00London Heathrow
Delta
4 Dec
LHR12:20London Heathrow
18h 41m
2 stops
ONT23:01Ontario
11 Dec
ONT13:25Ontario
12h 35m
1 stop
LHR10:00London Heathrow
Delta
11 Dec
LHR13:15London Heathrow
17h 27m
1 stop
ONT22:42Ontario
24 Dec
ONT12:55Ontario
13h 40m
1 stop
LHR10:35London 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 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 1% 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

€633

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 €633. The best return flight deal from London to Ontario found on momondo in the last 72 hours is €447.
The fastest flight from London to Ontario takes 13h 27m
There are no direct flights from London to Ontario. Popular non-direct route for this connection is London Heathrow Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is London to Ontario by plane?

    A flight from London to Ontario will travel around 8718.6 km. Typically, this will take 13h 27m by plane in normal conditions.

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

    Prices for flights from London to Ontario Airport were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Ontario Airport.

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

    The travel and health documents required for your trip to Ontario Airport 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 licence, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from London.

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

Yes. momondo allows you to filter the results for London to Ontario flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from London.

I’m not ready to book a flight from London to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from London and alert you when they change.


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