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Cheap flights from London to Ontario from $344

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 11/18. 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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0 bags
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Find the cheapest flights from London to Los Angeles

Cheap round-trip flights

These are some of the best round-trip 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 layovers.

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.
1:15 pm - 10:32 pmLHR-ONT
17h 17m1 stop
1:00 pm - 10:35 amONT-LHR
13h 35m1 stop
$471Virgin Atlantic
Find Deal
Mon, Jan 13 - Wed, Jan 29
2:30 pm - 11:01 pmLHR-ONT
16h 31m1 stop
7:10 am - 6:20 amONT-LHR
15h 10m1 stop
$474KLM
Find Deal
Wed, Nov 20 - Wed, Dec 4
6:30 am - 10:32 pmLHR-ONT
24h 02m2 stops
7:00 am - 10:30 amONT-LHR
19h 30m2 stops
$495Delta
Find Deal
Mon, Jan 13 - Wed, Jan 29
10:40 am - 6:37 pmLHR-ONT
15h 57m1 stop
4:25 pm - 1:20 pmONT-LHR
12h 55m1 stop
Mon, Jan 13 - Wed, Jan 29
6:30 am - 10:32 pmLHR-ONT
24h 02m2 stops
1:00 pm - 10:35 amONT-LHR
13h 35m1 stop
$509Delta
Find Deal
Mon, Jan 13 - Wed, Jan 29
1:50 pm - 10:16 pmLHR-ONT
16h 26m1 stop
3:08 pm - 12:05 pmONT-LHR
12h 57m1 stop
$511Iberia
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Mon, Feb 10 - Thu, Mar 6
9:25 am - 10:28 pmLHR-ONT
21h 03m1 stop
11:59 pm - 9:40 amONT-LHR
25h 41m1 stop
$513British Airways
Find Deal
Wed, Jan 1 - Sun, Feb 2
8:10 am - 10:16 pmLHR-ONT
22h 06m2 stops
6:05 am - 7:20 amONT-LHR
17h 15m1 stop
$523British Airways
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Sat, Jan 25 - Mon, Feb 3
10:40 am - 11:51 pmLHR-ONT
20h 11m1 stop
8:02 pm - 12:50 pmONT-LHR
32h 48m1 stop
Wed, Mar 19 - Sun, Mar 30
1:50 pm - 10:14 pmLHR-ONT
16h 24m1 stop
2:54 pm - 12:05 pmONT-LHR
13h 11m1 stop
$540Iberia
Find Deal
Fri, Nov 15 - Thu, Dec 5
2:00 pm - 12:51 pmLGW-ONT
30h 51m2 stops
Mon, Nov 18
12:00 pm - 9:59 amLGW-ONT
29h 59m1 stop
Sun, Nov 17
9:25 am - 11:57 pmLHR-ONT
22h 32m1 stop
$468Iberia
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Mon, Nov 18
12:50 pm - 9:42 pmLHR-ONT
16h 52m1 stop
$504Lufthansa
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Wed, Dec 11
9:20 am - 10:02 pmLHR-ONT
20h 42m1 stop
$542Lufthansa
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Tue, Nov 12
1:50 pm - 10:14 pmLHR-ONT
16h 24m1 stop
$548Finnair
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Mon, Nov 25
1:50 pm - 11:57 pmLHR-ONT
18h 07m1 stop
$559Iberia
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Fri, Nov 22
9:25 am - 6:33 pmLHR-ONT
17h 08m1 stop
$587Finnair
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Tue, Nov 12
1:00 pm - 2:34 pmLHR-ONT
33h 34m2 stops
$679Air Canada
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Thu, Nov 14
11:10 am - 8:55 pmLHR-ONT
17h 45m2 stops
$1,533Air Canada
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Mon, Feb 17
12:00 pm - 7:08 amLGW-ONT
27h 08m1 stop
12:32 pm - 10:35 amONT-LGW
14h 03m1 stop
Thu, Nov 7 - Sun, Nov 10
12:00 pm - 7:08 amLGW-ONT
27h 08m1 stop
12:32 pm - 10:35 amONT-LGW
14h 03m1 stop
Thu, Nov 7 - Sun, Nov 10
12:00 pm - 7:08 amLGW-ONT
27h 08m1 stop
12:32 pm - 10:35 amONT-LGW
14h 03m1 stop
Thu, Nov 7 - Thu, Nov 14
10:05 am - 5:43 pmLHR-ONT
15h 38m1 stop
1:55 pm - 12:00 pmONT-LHR
14h 05m1 stop
$983United Airlines
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Tue, Nov 5 - Mon, Nov 18
10:45 am - 4:16 pmLHR-ONT
13h 31m1 stop
12:30 pm - 10:35 amONT-LHR
14h 05m1 stop
$1,015KLM
Find Deal
Sat, Nov 9 - Thu, Nov 28
2:30 pm - 10:49 pmLHR-ONT
16h 19m1 stop
11:53 am - 10:35 amONT-LHR
14h 42m1 stop
$1,016KLM
Find Deal
Sat, Nov 9 - Tue, Nov 12
6:10 am - 10:14 pmLHR-ONT
24h 04m2 stops
6:05 am - 8:15 amONT-LHR
18h 10m1 stop
$1,026Iberia
Find Deal
Sat, Nov 9 - Thu, Nov 28
7:25 am - 10:14 pmLHR-ONT
22h 49m2 stops
6:05 am - 12:15 pmONT-LHR
22h 10m2 stops
$1,038Iberia
Find Deal
Sat, Nov 9 - Thu, Nov 28
10:45 am - 4:16 pmLHR-ONT
13h 31m1 stop
1:18 pm - 10:00 amONT-LHR
12h 42m1 stop
$1,042Delta
Find Deal
Sat, Nov 9 - Wed, Nov 13
10:05 am - 5:43 pmLHR-ONT
15h 38m1 stop
1:55 pm - 12:00 pmONT-LHR
14h 05m1 stop
$1,061United Airlines
Find Deal
Fri, Nov 8 - Fri, Nov 15

Virgin Atlantic flights from London to Ontario

Our best Virgin Atlantic deals on London to Ontario flight tickets
Virgin Atlantic
Jan 13
LHR1:15 pmLondon Heathrow
17h 17m
1 stop
ONT10:32 pmOntario
Jan 29
ONT1:00 pmOntario
13h 35m
1 stop
LHR10:35 amLondon Heathrow
Virgin Atlantic
Jan 13
LHR6:20 amLondon Heathrow
24h 12m
2 stops
ONT10:32 pmOntario
Jan 29
ONT7:00 amOntario
20h 40m
1 stop
LHR11:40 amLondon Heathrow
Virgin Atlantic
Mar 5
LHR3:50 pmLondon Heathrow
14h 50m
1 stop
ONT10:40 pmOntario
Apr 3
ONT7:00 amOntario
15h 25m
1 stop
LHR6:25 amLondon Heathrow

KLM flights from London to Ontario

Our best KLM deals on London to Ontario flight tickets
KLM
Nov 20
LHR2:30 pmLondon Heathrow
16h 31m
1 stop
ONT11:01 pmOntario
Dec 4
ONT7:10 amOntario
15h 10m
1 stop
LHR6:20 amLondon Heathrow
KLM
Jan 21
LHR10:45 amLondon Heathrow
13h 43m
1 stop
ONT4:28 pmOntario
Jan 29
ONT1:00 pmOntario
13h 35m
1 stop
LHR10:35 amLondon Heathrow
KLM
Nov 18
LHR10:50 amLondon Heathrow
16h 52m
1 stop
ONT7:42 pmOntario
Dec 10
ONT7:10 amOntario
15h 10m
1 stop
LHR6:20 amLondon 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. Most expensive is August

What is the cheapest day to depart London for Ontario?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Monday

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

In the afternoon. London to Ontario flights are approximately 23% more expensive at noon than in the afternoon

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 4% 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 round-trip 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

$344

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 $344. The best round-trip flight deal from London to Ontario found on momondo in the last 72 hours is $471.
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?

    The distance between London and Ontario is about 5417.5 mi. 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 are updated daily.

  • 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.


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?

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?

Of course. momondo tracks the price of London to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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