$124+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from London to California with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 June 12, 2025.
Round-trip from | $231 (Flightnetwork) |
|---|---|
One-way from | $124 (SmartFares) |
Popular in | June |
Cheapest in | May |
Average price | $584 |
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 June 12, 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 June 12, 2025.
This Flightnetwork deal was found by Cheapflights users on 6/12. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 6/11. 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.
This Flightnetwork deal was found by Cheapflights users on 6/10. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 6/11. 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.
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
This Air Canada deal was found by Cheapflights users on 6/11. 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.
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight 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 June 12, 2025.
Use the filters below to find and compare flights from London to California that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonSan Diego
YXU - SAN
YXUSAN
London
Sun 7/27
6:00 am-1:20 pm
1 stop10h 20m
San Diego
Sun 8/3
1:00 pm-5:14 am
2 stops13h 14m
LondonLas Vegas
YXU - LAS
YXULAS
London
Mon 7/28
6:00 am-4:31 pm
2 stops13h 31m
Las Vegas Harry Reid Intl
Wed 7/30
8:00 am-7:09 pm
1 stop8h 09m
LondonLos Angeles
YXU - LAX
YXULAX
London
Sun 10/5
6:15 am-10:30 am
1 stop7h 15m
Los Angeles
Sat 10/25
11:50 am-9:27 pm
1 stop6h 37m
LondonLos Angeles
YXU - LAX
YXULAX
London
Fri 7/25
6:00 am-2:12 pm
1 stop11h 12m
Los Angeles
Fri 8/1
7:00 am-7:09 pm
1 stop9h 09m
LondonSan Francisco
YXU - SFO
YXUSFO
London
Fri 9/26
3:35 pm-8:53 pm
1 stop8h 18m
San Francisco
Tue 10/28
10:45 pm-9:05 am
1 stop7h 20m
LondonSan Francisco
YXU - SFO
YXUSFO
London
Sun 6/29
8:00 pm-12:05 pm
1 stop19h 05m
San Francisco
Sat 7/5
2:45 pm-5:14 am
2 stops11h 29m
LondonSan Francisco
YXU - SFO
YXUSFO
London
Mon 6/30
9:45 pm-9:30 am
1 stop14h 45m
San Francisco
Sat 7/5
2:45 pm-5:14 am
2 stops11h 29m
LondonLos Angeles
YXU - LAX
YXULAX
London
Wed 10/8
9:55 am-2:43 pm
1 stop7h 48m
Los Angeles
Sat 10/25
11:59 pm-3:05 pm
2 stops12h 06m
LondonSan Francisco
YXU - SFO
YXUSFO
London
Mon 9/29
3:35 pm-9:32 pm
1 stop8h 57m
San Francisco
Tue 10/14
12:43 am-2:57 pm
2 stops11h 14m
LondonLas Vegas
YXU - LAS
YXULAS
London
Sun 7/27
9:55 am-4:40 pm
2 stops9h 45m
Las Vegas Harry Reid Intl
Mon 7/28
12:59 am-3:02 pm
2 stops11h 03m
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.
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, January is the cheapest month in which you can book a flight from London, Ontario to California (average of $246). Flying from London, Ontario to California in March is currently the most expensive (average of $327). 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 June 12, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to California as you normally would.
Rainfall in California by month
Plan your trip to California by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.
Temperature in California by month
Plan your trip to California by taking into account the average temperature totals by month.
If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).
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 June 12, 2025.
Get a feel of what it's like to fly with Delta, SWISS and United Airlines from London to California by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
Kim,May 2025
PIH - SLC