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Cheap flights from London Heathrow Airport to Los Angeles from $561

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Los Angeles departing on 9/6. 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 Heathrow Airport to Los Angeles

Cheap round-trip flights

British Airways Logo
10:30 am - 10:33 pmLHR-ONT
20h 03m1 stop
British Airways Logo
8:15 am - 9:00 amONT-LHR
16h 45m1 stop
$561British Airways
Find Deal
Sat, Sep 6 - Sat, Sep 13
KLM Logo
5:25 pm - 7:11 pmLHR-ONT
33h 46m1 stop
KLM Logo
7:05 am - 6:45 amONT-LHR
15h 40m1 stop
$563KLM
Find Deal
Sun, Aug 24 - Tue, Sep 9
Finnair Logo
12:00 pm - 6:54 pmLHR-ONT
14h 54m1 stop
Finnair Logo
10:53 am - 10:50 amONT-LHR
15h 57m1 stop
$579Finnair
Find Deal
Thu, Sep 4 - Tue, Sep 9
Finnair Logo
12:00 pm - 10:33 pmLHR-ONT
18h 33m1 stop
Finnair Logo
2:54 pm - 12:45 pmONT-LHR
13h 51m1 stop
$581Finnair
Find Deal
Sat, Sep 6 - Fri, Sep 12
British Airways Logo
3:40 pm - 9:39 pmLHR-ONT
13h 59m1 stop
British Airways Logo
4:45 pm - 12:50 pmONT-LHR
12h 05m1 stop
$582British Airways
Find Deal
Sun, Aug 24 - Tue, Sep 9
Iberia Logo
9:15 am - 12:08 amLHR-ONT
22h 53m2 stops
Iberia Logo
12:45 pm - 2:25 pmONT-LHR
17h 40m1 stop
$585Iberia
Find Deal
Sun, Aug 24 - Tue, Sep 9
Delta Logo
6:30 am - 10:20 pmLHR-ONT
23h 50m2 stops
Delta Logo
7:05 am - 7:15 amONT-LHR
16h 10m2 stops
$586Delta
Find Deal
Sun, Aug 24 - Tue, Sep 9
Delta Logo
6:30 am - 7:11 pmLHR-ONT
20h 41m2 stops
Delta Logo
7:05 am - 6:45 amONT-LHR
15h 40m1 stop
$587Delta
Find Deal
Sun, Aug 24 - Tue, Sep 9
Iberia Logo
6:10 am - 10:00 pmLHR-ONT
23h 50m2 stops
Iberia Logo
10:57 am - 11:40 amONT-LHR
16h 43m1 stop
$588Iberia
Find Deal
Tue, Nov 25 - Fri, Dec 5
Virgin Atlantic Logo
10:55 am - 11:42 pmLHR-ONT
20h 47m1 stop
Virgin Atlantic Logo
1:15 pm - 5:50 pmONT-LHR
20h 35m2 stops
$604Virgin Atlantic
Find Deal
Thu, Sep 11 - Fri, Oct 3

KLM flights from London Heathrow Airport to Ontario

Our best KLM deals on London Heathrow Airport to Ontario flight tickets
KLM
Aug 24
LHR5:25 pmLondon Heathrow
33h 46m
1 stop
ONT7:11 pmOntario
Sep 9
ONT7:05 amOntario
15h 40m
1 stop
LHR6:45 amLondon Heathrow
KLM
Sep 11
LHR11:20 amLondon Heathrow
15h 55m
1 stop
ONT7:15 pmOntario
Oct 3
ONT1:15 pmOntario
12h 35m
1 stop
LHR9:50 amLondon Heathrow
KLM
Sep 11
LHR11:20 amLondon Heathrow
15h 55m
1 stop
ONT7:15 pmOntario
Sep 24
ONT1:15 pmOntario
12h 35m
1 stop
LHR9:50 amLondon Heathrow

British Airways flights from London Heathrow Airport to Ontario

Our best British Airways deals on London Heathrow Airport to Ontario flight tickets
British Airways
Sep 6
LHR10:30 amLondon Heathrow
20h 03m
1 stop
ONT10:33 pmOntario
Sep 13
ONT8:15 amOntario
16h 45m
1 stop
LHR9:00 amLondon Heathrow
British Airways
Aug 24
LHR3:40 pmLondon Heathrow
13h 59m
1 stop
ONT9:39 pmOntario
Sep 9
ONT4:45 pmOntario
12h 05m
1 stop
LHR12:50 pmLondon Heathrow
British Airways
Nov 24
LHR10:15 amLondon Heathrow
15h 34m
1 stop
ONT5:49 pmOntario
Dec 5
ONT8:48 amOntario
14h 02m
1 stop
LHR6:50 amLondon Heathrow

See travel insights to Los Angeles from

How to get the cheapest flight ticket from London Heathrow Airport 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 Heathrow Airport and Ontario?

What is the cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from London Heathrow Airport to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $589. If you aren’t able to travel during the month of February, then book flights to Ontario from London Heathrow Airport during September instead. Flights to Ontario in September, while not as cheap as those in February, still average around $649.

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 Tuesday when prices can be found for as low as $602. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Ontario for around $991.

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

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Ontario when you can find flight prices for as low as $602. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $814 on average. Flights to Ontario from London Heathrow Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Ontario from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $732 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from London Heathrow Airport for as low as $550 on momondo.

When to book flights from London Heathrow Airport to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Ontario (LHR to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Ontario

Best Price Found

$561

Fastest flight time

13h 14m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from London Heathrow Airport in the past 72 hours is $561. The best round-trip flight deal from London Heathrow Airport to Ontario found on momondo in the last 72 hours is $561.
The fastest flight from London Heathrow Airport to Ontario takes 13h 14m
There are no direct flights from London Heathrow Airport 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 Heathrow to Ontario by plane?

    London Heathrow and Ontario are 5408.1 mi apart from one another. 13h 14m is a normal flight duration for this route.

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

    Prices for flights from London Heathrow Airport to Ontario Airport are updated daily.

  • How many operators does momondo search for flights from London Heathrow Airport to Ontario Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Ontario Airport.

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

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from London Heathrow Airport to Ontario?


Best airlines flying from London Heathrow Airport to Ontario

Compare and see reviews for airlines that fly from London Heathrow Airport to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $560Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Ontario from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential London to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Ontario from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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Tue 7/8
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