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Cheap flights from London to Ontario from $352

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 1/23. 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.
8:00 pm - 10:13 pmLHR-ONT
34h 13m2 stops
6:05 am - 9:40 amONT-LHR
19h 35m1 stop
Wed, Dec 4 - Tue, Dec 10
6:20 am - 10:45 pmLHR-ONT
24h 25m2 stops
7:10 am - 6:20 amONT-LHR
15h 10m1 stop
$565Delta
Find Deal
Wed, Dec 4 - Tue, Dec 10
1:15 pm - 4:45 pmLHR-ONT
35h 30m1 stop
5:35 pm - 11:10 amONT-LHR
33h 35m1 stop
$572Virgin Atlantic
Find Deal
Wed, Dec 4 - Tue, Dec 10
10:05 am - 6:04 pmLHR-ONT
14h 59m1 stop
1:00 pm - 9:40 amONT-LHR
12h 40m1 stop
$614Lufthansa
Find Deal
Tue, Mar 25 - Wed, Apr 2
10:05 am - 6:04 pmLHR-ONT
14h 59m1 stop
1:40 pm - 9:40 amONT-LHR
13h 00m1 stop
$615Lufthansa
Find Deal
Tue, Mar 18 - Tue, Mar 25
1:50 pm - 10:16 pmLHR-ONT
16h 26m1 stop
2:44 pm - 12:05 pmONT-LHR
13h 21m1 stop
$619Finnair
Find Deal
Wed, Jan 15 - Wed, Jan 22
10:45 am - 4:28 pmLHR-ONT
13h 43m1 stop
1:00 pm - 10:35 amONT-LHR
13h 35m1 stop
$620KLM
Find Deal
Wed, Jan 29 - Mon, Feb 3
10:45 am - 4:28 pmLHR-ONT
13h 43m1 stop
1:00 pm - 10:35 amONT-LHR
13h 35m1 stop
$621KLM
Find Deal
Tue, Jan 14 - Tue, Jan 21
10:45 am - 11:53 pmLHR-ONT
21h 08m1 stop
1:21 pm - 10:00 amONT-LHR
12h 39m1 stop
$709Virgin Atlantic
Find Deal
Thu, Jan 16 - Fri, Jan 24
2:30 pm - 10:03 pmLHR-ONT
15h 33m1 stop
10:41 am - 7:20 amONT-LHR
12h 39m1 stop
$798Finnair
Find Deal
Mon, Dec 9 - Fri, Dec 13
12:00 pm - 11:32 amLGW-ONT
31h 32m1 stop
Thu, Jan 23
2:00 pm - 9:40 amLGW-ONT
27h 40m2 stops
Thu, Jan 23
9:20 am - 9:42 pmLHR-ONT
20h 22m1 stop
$664Lufthansa
Find Deal
Mon, Dec 9
6:30 am - 8:44 pmLHR-ONT
22h 14m2 stops
$673United Airlines
Find Deal
Fri, Nov 29
9:30 am - 8:44 pmLHR-ONT
19h 14m2 stops
$674United Airlines
Find Deal
Mon, Nov 25
12:50 pm - 10:02 pmLHR-ONT
17h 12m1 stop
$685Lufthansa
Find Deal
Tue, Nov 26
1:50 pm - 10:16 pmLHR-ONT
16h 26m1 stop
$755Finnair
Find Deal
Wed, Jan 22
9:40 pm - 9:00 pmLHR-ONT
31h 20m2 stops
$903Avianca
Find Deal
Mon, Feb 17
10:05 pm - 10:00 pmLHR-ONT
31h 55m2 stops
$905Avianca
Find Deal
Wed, Apr 23
4:25 pm - 11:42 pmLHR-ONT
15h 17m1 stop
$1,993Finnair
Find Deal
Fri, Apr 11
10:05 am - 5:43 pmLHR-ONT
15h 38m1 stop
1:55 pm - 12:00 pmONT-LHR
14h 05m1 stop
$963United Airlines
Find Deal
Mon, Nov 25 - Mon, Dec 2
10:05 am - 5:43 pmLHR-ONT
15h 38m1 stop
1:55 pm - 12:00 pmONT-LHR
14h 05m1 stop
$965United Airlines
Find Deal
Mon, Nov 25 - Mon, Dec 2
2:30 pm - 11:01 pmLHR-ONT
16h 31m1 stop
1:00 pm - 10:35 amONT-LHR
13h 35m1 stop
$984KLM
Find Deal
Mon, Nov 25 - Wed, Jan 29
10:05 am - 5:43 pmLHR-ONT
15h 38m1 stop
1:55 pm - 12:00 pmONT-LHR
14h 05m1 stop
$1,001United Airlines
Find Deal
Thu, Nov 21 - Thu, Nov 28
11:10 am - 10:23 pmLHR-ONT
19h 13m2 stops
10:35 am - 10:10 amONT-LHR
15h 35m2 stops
$1,014
Find Deal
Sat, Nov 23 - Mon, Nov 25
1:50 pm - 10:14 pmLHR-ONT
16h 24m1 stop
10:42 am - 7:20 amONT-LHR
12h 38m1 stop
$1,061Iberia
Find Deal
Fri, Nov 22 - Sat, Dec 7
11:40 am - 10:23 pmLGW-ONT
18h 43m2 stops
6:00 am - 9:45 amONT-LGW
19h 45m2 stops
$1,081
Find Deal
Sat, Nov 23 - Sat, Nov 30
11:10 am - 10:23 pmLHR-ONT
19h 13m2 stops
6:00 am - 6:30 amONT-LHR
16h 30m2 stops
$1,086Air Canada
Find Deal
Fri, Nov 22 - Sun, Nov 24
1:50 pm - 10:14 pmLHR-ONT
16h 24m1 stop
2:53 pm - 7:20 amONT-LHR
32h 27m1 stop
$1,087Iberia
Find Deal
Fri, Nov 22 - Sun, Nov 24
2:30 pm - 11:01 pmLHR-ONT
16h 31m1 stop
12:11 pm - 10:35 amONT-LHR
14h 24m1 stop
$1,569KLM
Find Deal
Mon, Nov 25 - Tue, Dec 10

Delta flights from London to Ontario

Our best Delta deals on London to Ontario flight tickets
Delta
Dec 4
LHR6:20 amLondon Heathrow
24h 25m
2 stops
ONT10:45 pmOntario
Dec 10
ONT7:10 amOntario
15h 10m
1 stop
LHR6:20 amLondon Heathrow
Delta
Dec 4
LHR6:20 amLondon Heathrow
18h 25m
2 stops
ONT4:45 pmOntario
Dec 10
ONT6:00 amOntario
17h 05m
2 stops
LHR7:05 amLondon Heathrow
Delta
Feb 18
LHR10:45 amLondon Heathrow
13h 43m
1 stop
ONT4:28 pmOntario
Feb 24
ONT1:21 pmOntario
12h 39m
1 stop
LHR10:00 amLondon Heathrow

Virgin Atlantic flights from London to Ontario

Our best Virgin Atlantic deals on London to Ontario flight tickets
Virgin Atlantic
Dec 4
LHR1:15 pmLondon Heathrow
35h 30m
1 stop
ONT4:45 pmOntario
Dec 10
ONT5:35 pmOntario
33h 35m
1 stop
LHR11:10 amLondon Heathrow
Virgin Atlantic
Jan 16
LHR10:45 amLondon Heathrow
21h 08m
1 stop
ONT11:53 pmOntario
Jan 24
ONT1:21 pmOntario
12h 39m
1 stop
LHR10:00 amLondon 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. 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 26% 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 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 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

$352

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 $352. The best round-trip flight deal from London to Ontario found on momondo in the last 72 hours is $561.
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?

    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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