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$191+ Cheap flights from London, ON (YXU) to California

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAX
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from London to California

Cheapest flights from London to California
Explore the most affordable flight options available from London to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/209:25 amYXU - LAX
2 stops14h 35mUnited Airlines
vie. 1/912:40 amLAX - YXU
2 stops13h 25mUnited Airlines
Deal found 12/10$588
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/209:25 amYXU - LAX
2 stops14h 35mUnited Airlines
vie. 1/911:30 amLAX - YXU
1 stop6h 50mUnited Airlines
Deal found 12/10$608
This Air Canada deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/199:25 amYXU - LAX
2 stops17h 34mAir Canada
sáb. 1/108:50 amLAX - YXU
2 stops9h 30mAir Canada
Deal found 12/10$627
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/209:25 amYXU - LAX
2 stops14h 35mUnited Airlines
mié. 1/711:30 amLAX - YXU
1 stop6h 51mUnited Airlines
Deal found 12/10$633
This oojo deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/178:10 pmYXU - LAX
2 stops17h 50mWestJet
jue. 1/811:50 amLAX - YXU
2 stops15h 44mWestJet
Deal found 12/10$658
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/175:10 amYXU - LAX
2 stops17h 07mUnited Airlines
vie. 1/95:00 amLAX - YXU
2 stops9h 05mUnited Airlines
Deal found 12/10$669
This Air Canada deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/145:10 amYXU - LAX
1 stop8h 22mAir Canada
vie. 1/912:30 amLAX - YXU
2 stops13h 35mAir Canada
Deal found 12/10$672
This Air Canada deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/165:10 amYXU - LAX
2 stops13h 06mAir Canada
jue. 1/88:50 amLAX - YXU
2 stops9h 31mAir Canada
Deal found 12/10$678
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/185:10 amYXU - LAX
2 stops17h 10mUnited Airlines
mar. 1/65:00 amLAX - YXU
2 stops9h 05mUnited Airlines
Deal found 12/10$688
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/215:10 amYXU - SFO
2 stops15h 40mUnited Airlines
jue. 1/15:00 amSFO - YXU
2 stops13h 21mUnited Airlines
Deal found 12/9$693
This Air Canada deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/199:25 amYXU - SFO
1 stop9h 00mAir Canada
mar. 12/308:50 pmSFO - YXU
2 stops17h 15mAir Canada
Deal found 12/9$727
This Air Canada deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/199:25 amYXU - SFO
1 stop9h 00mAir Canada
mié. 12/318:49 amSFO - YXU
1 stop9h 32mAir Canada
Deal found 12/9$728

Find flight deals from London to California

Keep the following information in mind while searching for London to California flight deals. Data was last updated diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$315
(oojo)

One-way from

$191
(Air Canada)

Popular in

December

Cheapest in

June

Average price

$583
Provider with most accurate pricing for London-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for London-Los Angeles flights.
Search Deals
From London to California
Search Deals
One-way flight from London to California
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to California 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, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from London to California that are best for you.

Fly from

London

Fly to

California

Route

Depart

Return

Price

LondonLos Angeles

YXU - LAX

YXULAX

London

jue. 1/8

8:10 pm-7:50 pm

2 stops26h 40m

Los Angeles

jue. 1/15

11:50 am-6:34 am

2 stops15h 44m

$315

LondonLas Vegas

YXU - LAS

YXULAS

London

jue. 1/8

8:10 pm-9:31 pm

1 stop28h 21m

Las Vegas Harry Reid Intl

jue. 1/15

1:10 pm-6:34 am

2 stops14h 24m

$340

LondonLos Angeles

YXU - LAX

YXULAX

London

dom. 1/25

8:10 pm-11:00 am

2 stops17h 50m

Los Angeles

dom. 2/1

7:00 am-7:13 pm

1 stop9h 13m

$342

LondonSan Francisco

YXU - SFO

YXUSFO

London

lun. 1/26

8:10 pm-12:12 pm

1 stop19h 02m

San Francisco

lun. 2/2

8:42 pm-6:35 am

2 stops30h 53m

$350

LondonLas Vegas

YXU - LAS

YXULAS

London

sáb. 1/31

5:40 pm-10:31 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

mié. 2/4

4:45 pm-8:46 am

2 stops13h 01m

$375

LondonLas Vegas

YXU - LAS

YXULAS

London

sáb. 1/31

5:40 pm-10:31 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

mar. 2/3

11:30 pm-8:46 am

1 stop6h 16m

$375

LondonLas Vegas

YXU - LAS

YXULAS

London

mié. 1/21

5:40 pm-10:31 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

sáb. 1/24

11:30 pm-8:46 am

1 stop6h 16m

$375

LondonLas Vegas

YXU - LAS

YXULAS

London

vie. 1/23

5:40 pm-10:31 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

lun. 1/26

11:30 pm-8:46 am

1 stop6h 16m

$375

LondonLos Angeles

YXU - LAX

YXULAX

London

lun. 1/12

9:50 am-9:28 pm

1 stop14h 38m

Los Angeles

mar. 1/13

10:55 pm-8:46 am

1 stop6h 51m

$376

LondonPalm Springs

YXU - PSP

YXUPSP

London

sáb. 4/25

5:10 am-10:35 am

1 stop8h 25m

Palm Springs

mié. 4/29

12:25 pm-8:43 am

2 stops17h 18m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 51 results
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Best time to book a flight from London to California

Have a flexible travel schedule? Discover the best time to fly to California from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to California

What is the cheapest month to book a flight from London, Ontario to California?

Currently, August is the cheapest month in which you can book a flight from London, Ontario to California (average of $80). Flying from London, Ontario to California in March is currently the most expensive (average of $189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated diciembre 12, 2025.
Read through reviews of airlines operating flights from London to California, such as Air Canada. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,516 reviews

Entertainment

6.8

Overall

7.1

Comfort

7.1

Boarding

7.3

Crew

7.8

Food

6.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
Air Canada
7.1
Good
10,516 reviews
Air Canada
7.1
Good
10,516 reviews

Entertainment

6.8

Overall

7.1

Comfort

7.1

Boarding

7.3

Crew

7.8

Food

6.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

Related info for your journey

Find useful and relevant information for your journey from London to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from London to California?

    Most people fly from London (YXU) if they book a flight from London to California. London is conveniently located just 5.3 mi from London’s city center.

  • How long is the flight from London, Ontario to California?

    WestJet, Air Canada, and United Airlines can get you from London, Ontario to California in just under 7h 51m. Your travel time can differ by up to 18h 49m. There are 1859 mi between London, Ontario and California. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from London, Ontario to California?

    The most popular route from London, Ontario to California is London - Las Vegas Harry Reid Intl. You may also consider London - San Francisco or London - Los Angeles.

  • Can I find deals for flights from London to California that include hotel bookings?

    Yes. In addition to deals on London to California flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to California.

  • Can I find deals for business class flights from London to California?

    Yes. Cheapflights offers flight deals from London to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London, Ontario to California?

    Currently, August is the cheapest month in which you can book a flight from London, Ontario to California (average of $80). Flying from London, Ontario to California in March is currently the most expensive (average of $189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for London to California

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from London to California

Discover the top airline that operate flights from London to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$222Average$268FlexibilityNo cancel feeOn-time67%

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