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Cheap flights from London, ON to California from C$ 263

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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAX
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to California

Enter your travel dates to find the best prices.

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 12 December 2025.

Sat 20/129:25 a.m.YXU - LAX
2 stops14h 35mUnited Airlines
Fri 9/112:40 a.m.LAX - YXU
2 stops13h 25mUnited Airlines
Deal found 10/12C$ 811
Sat 20/129:25 a.m.YXU - LAX
2 stops14h 35mUnited Airlines
Wed 7/112:30 a.m.LAX - YXU
2 stops17h 51mUnited Airlines
Deal found 10/12C$ 838
Fri 19/129:25 a.m.YXU - LAX
2 stops17h 34mAir Canada
Sat 10/18:50 a.m.LAX - YXU
2 stops9h 30mAir Canada
Deal found 10/12C$ 865
Sat 20/129:25 a.m.YXU - LAX
2 stops14h 35mUnited Airlines
Wed 7/111:30 a.m.LAX - YXU
1 stop6h 51mUnited Airlines
Deal found 10/12C$ 873
Wed 17/128:10 p.m.YXU - LAX
2 stops17h 50mWestJet
Thu 8/111:50 a.m.LAX - YXU
2 stops15h 44mWestJet
Deal found 10/12C$ 907
Wed 17/125:10 a.m.YXU - LAX
2 stops17h 07mUnited Airlines
Fri 9/15:00 a.m.LAX - YXU
2 stops9h 05mUnited Airlines
Deal found 10/12C$ 923
Sun 14/129:25 a.m.YXU - LAX
1 stop8h 52mAir Canada
Fri 9/18:50 a.m.LAX - YXU
2 stops9h 30mAir Canada
Deal found 10/12C$ 927
Tue 16/125:10 a.m.YXU - LAX
2 stops13h 06mAir Canada
Thu 8/18:50 a.m.LAX - YXU
2 stops9h 31mAir Canada
Deal found 10/12C$ 935
Thu 18/129:25 a.m.YXU - LAX
2 stops14h 53mUnited Airlines
Thu 8/110:55 p.m.LAX - YXU
1 stop6h 51mUnited Airlines
Deal found 10/12C$ 949
Sun 21/125:10 a.m.YXU - SFO
2 stops15h 40mUnited Airlines
Thu 1/15:00 a.m.SFO - YXU
2 stops13h 21mUnited Airlines
Deal found 9/12C$ 956
Fri 19/129:25 a.m.YXU - SFO
1 stop9h 00mAir Canada
Tue 30/128:50 p.m.SFO - YXU
2 stops17h 15mAir Canada
Deal found 9/12C$ 1,003
Fri 19/129:25 a.m.YXU - SFO
1 stop9h 00mAir Canada
Thu 1/18:49 a.m.SFO - YXU
1 stop9h 32mAir Canada
Deal found 9/12C$ 1,004

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 12 December 2025.

Round-trip from

C$ 434

One-way from

C$ 263

Popular in

December

Cheapest in

June

Average price

C$ 804
WestJet
  • WestJet
  • 8/1-15/1
  • 4 total stops
  • 42h 24m total
  • London to California
Search Deals
Air Canada
  • Air Canada
  • 24/1
  • 1 total stop
  • 8h 22m total
  • London to California
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 42 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 629,999 searches. Data last updated 12 December 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

Thu 8/1

8:10 p.m.-7:50 p.m.

2 stops26h 40m

Los Angeles

Thu 15/1

11:50 a.m.-6:34 a.m.

2 stops15h 44m

C$ 434

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 8/1

8:10 p.m.-9:31 p.m.

1 stop28h 21m

Las Vegas Harry Reid Intl

Thu 15/1

1:10 p.m.-6:34 a.m.

2 stops14h 24m

C$ 469

LondonLos Angeles

YXU - LAX

YXULAX

London

Sun 25/1

8:10 p.m.-11:00 a.m.

2 stops17h 50m

Los Angeles

Sun 1/2

7:00 a.m.-7:13 p.m.

1 stop9h 13m

C$ 472

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 31/1

5:40 p.m.-10:31 p.m.

1 stop7h 51m

Las Vegas Harry Reid Intl

Wed 4/2

4:45 p.m.-8:46 a.m.

2 stops13h 01m

C$ 517

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 31/1

5:40 p.m.-10:31 p.m.

1 stop7h 51m

Las Vegas Harry Reid Intl

Tue 3/2

11:30 p.m.-8:46 a.m.

1 stop6h 16m

C$ 517

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 21/1

5:40 p.m.-10:31 p.m.

1 stop7h 51m

Las Vegas Harry Reid Intl

Sat 24/1

11:30 p.m.-8:46 a.m.

1 stop6h 16m

C$ 517

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 23/1

5:40 p.m.-10:31 p.m.

1 stop7h 51m

Las Vegas Harry Reid Intl

Mon 26/1

11:30 p.m.-8:46 a.m.

1 stop6h 16m

C$ 517

LondonLos Angeles

YXU - LAX

YXULAX

London

Mon 12/1

9:50 a.m.-9:28 p.m.

1 stop14h 38m

Los Angeles

Tue 13/1

10:55 p.m.-8:46 a.m.

1 stop6h 51m

C$ 519

LondonPalm Springs

YXU - PSP

YXUPSP

London

Sat 25/4

5:10 a.m.-10:35 a.m.

1 stop8h 25m

Palm Springs

Wed 29/4

12:25 p.m.-8:43 a.m.

2 stops17h 18m

C$ 539

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 22/1

5:10 a.m.-10:54 a.m.

1 stop8h 44m

San Francisco

Mon 2/2

8:30 a.m.-9:20 p.m.

1 stop9h 50m

C$ 539

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 47 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 C$ 110). Flying from London, Ontario to California in March is currently the most expensive (average of C$ 261). 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.

What is the cheapest time of day to fly from YXU to CA?

Find hourly flight availability from London to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

When flying from London, Ontario to California, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 43% versus a flight at noon.

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 12 December 2025.
Check out reviews from past customers who have flown with United Airlines,WestJet, andAir Canada from London to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews
Check prices

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews
Check prices

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
WestJet
7.2
Good
3,195 reviews
United Airlines
7.4
Good
9,095 reviews
Check prices

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Air Canada
7.1
Good
10,516 reviews
United Airlines
7.4
Good
9,095 reviews
Check prices

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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?

    For a flight from London to California, you will be flying from London. London (YXU) is just 8.6 km from the centre of the city.

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

    Departing from London, Ontario to California will take you 7h 51m. There are 2992 km between London, Ontario and California. This flight may include one or multiple stops.

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

    Most travellers choose London - Las Vegas Harry Reid Intl, London - San Francisco or London - Los Angeles when deciding on the best route from London, Ontario to California.

  • 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 C$ 110). Flying from London, Ontario to California in March is currently the most expensive (average of C$ 261). 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

Browse thousands of different options on Cheapflights for your next trip

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from London to California

Discover the top 3 airlines 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 629,999 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 242AverageC$ 390FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 304AverageC$ 611FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 338AverageC$ 527FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to California?

Cheapflights makes it easy to find London to California flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to California?

Cheapflights helps you find that perfect flight to California from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to California with no change fees?

Yes! Cheapflights helps users easily find flights from London to California with no change fees.

Can Cheapflights notify me if prices for flights from London to California become cheaper?

Of course! You can now track prices for flights from London to California and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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