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Cheap flights from London, ON to California from C$ 256
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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAX
28 Nov — 5 Dec1
Find flight deals from London to California
Cheapest flights from London to CaliforniaExplore 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 29 October 2025.
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 29 October 2025.
Mon 24/118:10 p.m.YXU - LAS
1 stop25h 01mWestJet
Mon 1/129:15 p.m.LAS - YXU
2 stops18h 57mWestJet
Deal found 27/10C$ 583
Mon 24/118:10 p.m.YXU - LAS
1 stop17h 14mMultiple Airlines
Mon 1/127:15 p.m.LAS - YXU
2 stops20h 57mMultiple Airlines
Deal found 27/10C$ 616
Mon 24/115:40 p.m.YXU - LAS
1 stop7h 51mAir Canada
Mon 1/1211:30 p.m.LAS - YXU
1 stop6h 16mAir Canada
Deal found 27/10C$ 626
Mon 24/115:15 a.m.YXU - LAS
2 stops12h 42mUnited Airlines
Sun 30/1112:59 a.m.LAS - YXU
2 stops13h 06mUnited Airlines
Deal found 27/10C$ 717
Thu 18/125:10 a.m.YXU - LAS
2 stops11h 04mAir Canada
Thu 18/1211:30 p.m.LAS - YXU
1 stop6h 16mAir Canada
Deal found 27/10C$ 728
Thu 11/125:10 a.m.YXU - LAX
2 stops20h 45mUnited Airlines
Thu 18/1211:55 p.m.LAX - YXU
2 stops14h 10mUnited Airlines
Deal found 27/10C$ 729
Tue 23/125:10 a.m.YXU - LAX
2 stops17h 10mUnited Airlines
Wed 31/125:00 a.m.LAX - YXU
2 stops13h 21mUnited Airlines
Deal found 28/10C$ 815
Sat 13/125:10 a.m.YXU - LAX
2 stops15h 15mUnited Airlines
Sat 20/1210:27 p.m.LAX - YXU
2 stops15h 38mUnited Airlines
Deal found 29/10C$ 816
Thu 11/125:10 a.m.YXU - SFO
1 stop8h 44mUnited Airlines
Thu 18/125:00 a.m.SFO - YXU
2 stops13h 21mUnited Airlines
Deal found 27/10C$ 816
Thu 18/125:10 a.m.YXU - LAS
2 stops11h 02mUnited Airlines
Thu 18/124:10 p.m.LAS - YXU
2 stops21h 55mUnited Airlines
Deal found 27/10C$ 824
Fri 12/129:25 a.m.YXU - LAX
1 stop8h 52mUnited Airlines
Fri 19/124:49 p.m.LAX - YXU
2 stops21h 16mUnited Airlines
Deal found 27/10C$ 848
Fri 12/129:25 a.m.YXU - SFO
1 stop9h 00mUnited Airlines
Fri 19/125:00 a.m.SFO - YXU
2 stops13h 21mUnited Airlines
Deal found 28/10C$ 858
Cheap flight deals from London to California
Keep the following information in mind while searching for London to California flight deals. Data was last updated 29 October 2025.
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 29 October 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
Fri 16/1
7:30 a.m.-10:03 p.m.
1 stop17h 33m
Los Angeles
Sun 25/1
7:00 a.m.-7:12 p.m.
1 stop9h 12m
C$ 397
LondonLos Angeles
YXU - LAX
YXULAX
London
Mon 12/1
8:10 p.m.-10:03 p.m.
1 stop28h 53m
Los Angeles
Wed 14/1
11:50 a.m.-6:34 a.m.
2 stops15h 44m
C$ 432
LondonLos Angeles
YXU - LAX
YXULAX
London
Fri 20/2
9:25 a.m.-3:17 p.m.
1 stop8h 52m
Los Angeles
Fri 27/2
7:45 a.m.-9:21 p.m.
1 stop10h 36m
C$ 521
LondonLos Angeles
YXU - LAX
YXULAX
London
Fri 16/1
5:15 a.m.-10:32 a.m.
1 stop8h 17m
Los Angeles
Sat 24/1
12:55 a.m.-5:05 p.m.
2 stops13h 10m
C$ 545
LondonLas Vegas
YXU - LAS
YXULAS
London
Mon 23/2
5:40 p.m.-10:31 p.m.
1 stop7h 51m
Las Vegas Harry Reid Intl
Fri 27/2
11:30 p.m.-8:46 a.m.
1 stop6h 16m
C$ 580
LondonLas Vegas
YXU - LAS
YXULAS
London
Mon 24/11
8:10 p.m.-6:11 p.m.
1 stop25h 01m
Las Vegas Harry Reid Intl
Mon 1/12
9:15 p.m.-7:12 p.m.
2 stops18h 57m
C$ 583
LondonPalm Springs
YXU - PSP
YXUPSP
London
Sun 22/2
8:10 p.m.-12:26 p.m.
2 stops19h 16m
Palm Springs
Thu 26/2
6:00 p.m.-6:35 a.m.
1 stop9h 35m
C$ 605
LondonPalm Springs
YXU - PSP
YXUPSP
London
Sun 22/2
5:15 a.m.-10:27 p.m.
2 stops20h 12m
Palm Springs
Thu 26/2
4:14 p.m.-5:05 p.m.
3 stops21h 51m
C$ 668
LondonLas Vegas
YXU - LAS
YXULAS
London
Mon 24/11
8:10 p.m.-12:19 p.m.
2 stops19h 09m
Las Vegas Harry Reid Intl
Mon 1/12
7:15 p.m.-7:12 p.m.
3 stops20h 57m
C$ 676
LondonLas Vegas
YXU - LAS
YXULAS
London
Mon 23/2
9:25 a.m.-8:15 p.m.
2 stops13h 50m
Las Vegas Harry Reid Intl
Thu 26/2
12:59 a.m.-5:05 p.m.
2 stops13h 06m
C$ 717
Showing 1-10 of 50 results
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$ 112). Flying from London, Ontario to California in March is currently the most expensive (average of C$ 258). 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 29 October 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 29 October 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.
Food
6.6
Overall
7.4
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Food
6.6
Overall
7.4
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Food
6.6
Overall
7.4
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Food
6.6
Overall
7.4
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
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.
Browse thousands of different options on Cheapflights for your next trip
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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.
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 29 October 2025.
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.