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Cheap flights from Los Angeles to London from $318

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to London departing on 5/21. 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 Los Angeles to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
7:00 am - 7:07 pm
LAX
-
YXU
9h 07m1 stop
WestJet Logo
6:00 am - 2:20 pm
YXU
-
LAX
11h 20m1 stop
$318WestJet
Thu, May 21 - Mon, May 25
WestJet Logo
7:00 am - 7:07 pm
LAX
-
YXU
9h 07m1 stop
WestJet Logo
8:00 pm - 11:41 am
YXU
-
LAX
18h 41m2 stops
$360WestJet
Thu, May 21 - Mon, May 25
WestJet Logo
9:10 pm - 5:12 am
LAX
-
YXU
29h 02m2 stops
WestJet Logo
8:00 pm - 6:09 pm
YXU
-
LAX
25h 09m2 stops
$382WestJet
Thu, May 21 - Mon, May 25
Air Canada Logo
10:55 pm - 8:46 am
LAX
-
YXU
6h 51m1 stop
Air Canada Logo
5:10 am - 10:32 am
YXU
-
LAX
8h 22m1 stop
$407Air Canada
Fri, Jan 23 - Tue, Jan 27
Air Canada Logo
6:10 pm - 8:46 am
LAX
-
YXU
11h 36m2 stops
Air Canada Logo
9:50 am - 3:17 pm
YXU
-
LAX
8h 27m1 stop
$412Air Canada
Fri, Jan 23 - Tue, Jan 27
Air Canada Logo
6:30 am - 9:20 pm
LAX
-
YXU
11h 50m2 stops
Air Canada Logo
5:10 am - 1:24 pm
YXU
-
LAX
11h 14m2 stops
$417Air Canada
Fri, Jan 23 - Tue, Jan 27
United Airlines Logo
11:30 am - 9:20 pm
LAX
-
YXU
6h 50m1 stop
United Airlines Logo
9:25 am - 3:17 pm
YXU
-
LAX
8h 52m1 stop
$482United Airlines
Fri, Jan 16 - Fri, Jan 23
United Airlines Logo
11:25 pm - 9:20 pm
LAX
-
YXU
18h 55m2 stops
United Airlines Logo
5:10 am - 10:32 am
YXU
-
LAX
8h 22m1 stop
$491United Airlines
Fri, Jan 16 - Fri, Jan 23
United Airlines Logo
7:01 am - 9:20 pm
LAX
-
YXU
11h 19m2 stops
United Airlines Logo
9:50 am - 3:17 pm
YXU
-
LAX
8h 27m1 stop
$492United Airlines
Sat, Jan 17 - Sat, Jan 24
United Airlines Logo
11:25 pm - 5:05 pm
LAX
-
YXU
14h 40m2 stops
United Airlines Logo
5:10 am - 1:03 pm
YXU
-
LAX
10h 53m2 stops
$507United Airlines
Fri, Jan 16 - Fri, Jan 23

WestJet flights from Los Angeles to London, Ontario

Our best WestJet deals on Los Angeles to London, Ontario flight tickets
WestJet
May 21
LAX7:00 amLos Angeles
9h 07m
1 stop
YXU7:07 pmLondon
May 25
YXU6:00 amLondon
11h 20m
1 stop
LAX2:20 pmLos Angeles
$318
Find similar
WestJet
May 21
LAX7:00 amLos Angeles
9h 07m
1 stop
YXU7:07 pmLondon
May 25
YXU8:00 pmLondon
18h 41m
2 stops
LAX11:41 amLos Angeles
$360
Find similar
WestJet
May 21
LAX9:10 pmLos Angeles
29h 02m
2 stops
YXU5:12 amLondon
May 25
YXU8:00 pmLondon
25h 09m
2 stops
LAX6:09 pmLos Angeles
$382
Find similar

United Airlines flights from Los Angeles to London, Ontario

Our best United Airlines deals on Los Angeles to London, Ontario flight tickets
United Airlines
Jan 16
LAX11:30 amLos Angeles
6h 50m
1 stop
YXU9:20 pmLondon
Jan 23
YXU9:25 amLondon
8h 52m
1 stop
LAX3:17 pmLos Angeles
$482
Find similar
United Airlines
Jan 16
LAX11:25 pmLos Angeles
18h 55m
2 stops
YXU9:20 pmLondon
Jan 23
YXU5:10 amLondon
8h 22m
1 stop
LAX10:32 amLos Angeles
$491
Find similar
United Airlines
Jan 17
LAX7:01 amLos Angeles
11h 19m
2 stops
YXU9:20 pmLondon
Jan 24
YXU9:50 amLondon
8h 27m
1 stop
LAX3:17 pmLos Angeles
$492
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Los Angeles to London, Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Los Angeles to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Thu 5/21

7:00 am-7:07 pm

1 stop9h 07m

London

Mon 5/25

6:00 am-2:20 pm

1 stop11h 20m

$318

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Thu 5/21

7:00 am-7:07 pm

1 stop9h 07m

London

Mon 5/25

8:00 pm-11:41 am

2 stops18h 41m

$360

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Thu 5/21

9:10 pm-5:12 am

2 stops29h 02m

London

Mon 5/25

8:00 pm-6:09 pm

2 stops25h 09m

$382

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Fri 1/23

10:55 pm-8:46 am

1 stop6h 51m

London

Tue 1/27

5:10 am-10:32 am

1 stop8h 22m

$407

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Fri 1/23

6:10 pm-8:46 am

2 stops11h 36m

London

Tue 1/27

9:50 am-3:17 pm

1 stop8h 27m

$412

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Fri 1/23

6:30 am-9:20 pm

2 stops11h 50m

London

Tue 1/27

5:10 am-1:24 pm

2 stops11h 14m

$417

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Fri 1/16

11:30 am-9:20 pm

1 stop6h 50m

London

Fri 1/23

9:25 am-3:17 pm

1 stop8h 52m

$482

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Fri 1/16

11:25 pm-9:20 pm

2 stops18h 55m

London

Fri 1/23

5:10 am-10:32 am

1 stop8h 22m

$491

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Sat 1/17

7:01 am-9:20 pm

2 stops11h 19m

London

Sat 1/24

9:50 am-3:17 pm

1 stop8h 27m

$492

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Fri 1/16

11:25 pm-5:05 pm

2 stops14h 40m

London

Fri 1/23

5:10 am-1:03 pm

2 stops10h 53m

$507

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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2

See travel insights to London from

How to get the cheapest flight ticket from Los Angeles to London, 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 Los Angeles and London, Ontario?

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

According to our data, Thursday is the cheapest day to fly to London, Ontario from Los Angeles. The lowest ticket price found for a Thursday departure recently was $492. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to London, Ontario on Wednesday is $543.

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

In the evening is the cheapest time of day to fly from Los Angeles to London, Ontario when you can find flight prices for as low as $338. Flying to London, Ontario in the evening is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to London, Ontario, so prices are often more expensive at around $568 per ticket.

When to book flights from Los Angeles to London, Ontario

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

Cheap Los Angeles to London, Ontario (LAX to YXU) flight deals and tips

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

Fastest flight time

6h 50m

Direct flights

None
The fastest flight from Los Angeles to London, Ontario takes 6h 50m
There are no direct flights from Los Angeles to London, Ontario. There are no popular flight routes from Los Angeles to London, Ontario.
Search flight deals

  • How far is Los Angeles to London by plane?

    There are 2077.0 mi between Los Angeles and London. By plane, this route typically takes 6h 50m.

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

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

  • How many operators does momondo search for flights from Los Angeles Airport to London Airport?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Los Angeles Airport to London Airport.

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

    The necessary travel and health documents for your London Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Los Angeles to London, Ontario?

Best airlines flying from Los Angeles to London, Ontario

Compare and see reviews for airlines that fly from Los Angeles to London, Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $290Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
Air CanadaPriceFrom $309Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Grand Bend
Port Stanley

Why use momondo?

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

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 London from Los Angeles.

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

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

How can momondo help me find flights from Los Angeles to London?

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 London from Los Angeles.

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

If you are not ready to book a flight from Los Angeles to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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