$431+ Cheap flights from the United Kingdom 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
Feb 27 — Mar 61
1 adult, Economy
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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 United Kingdom to California
Cheapest flights from United Kingdom to CaliforniaExplore the most affordable flight options available from United Kingdom to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.
Explore the most affordable flight options available from United Kingdom to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 3/138:30 am
LHR
- ONT
2 stops20h 48m
United Airlines
Fri 3/201:40 pm
ONT
- LHR
1 stop34h 45m
United Airlines
Deal found 1/27![United Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 2/128:30 am
LHR
- ONT
2 stops22h 27m
United Airlines
Mon 2/239:06 pm
ONT
- LHR
2 stops24h 49m
United Airlines
Deal found 1/26![United Airlines logo]()
$473
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/199:00 am
LHR
- LAX
1 stop15h 35m
Multiple Airlines
Tue 2/247:00 pm
LAX
- LHR
Nonstop10h 30m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$473
This SWISS deal was found by Cheapflights users on 1/26. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:15 am
LGW
- LAX
1 stop15h 15m
SWISS
Mon 9/287:35 pm
LAX
- LGW
1 stop14h 15m
SWISS
Deal found 1/26![SWISS logo]()
$473
This The Travel House deal was found by Cheapflights users on 1/27. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:00 am
LHR
- LAX
1 stop18h 35m
SWISS
Sun 2/227:00 pm
LAX
- LHR
Nonstop10h 30m
SWISS
Deal found 1/27![SWISS logo]()
$474
This TravelUp deal was found by Cheapflights users on 1/28. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:30 am
LHR
- LAX
1 stop15h 10m
Virgin Atlantic
Wed 3/185:35 pm
LAX
- LHR
Nonstop10h 20m
Virgin Atlantic
Deal found 1/28![Virgin Atlantic logo]()
$475
This British Airways deal was found by Cheapflights users on 1/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:15 am
LHR
- LAX
2 stops25h 08m
British Airways
Mon 3/93:28 pm
LAX
- LHR
1 stop13h 07m
British Airways
Deal found 1/27![British Airways logo]()
$476
This SWISS deal was found by Cheapflights users on 1/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/36:40 pm
LGW
- LAX
1 stop29h 55m
SWISS
Mon 3/168:10 pm
LAX
- LGW
1 stop14h 40m
SWISS
Deal found 1/27![SWISS logo]()
$476
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 4/158:40 am
LHR
- LAX
1 stop15h 50m
United Airlines
Tue 4/283:30 pm
LAX
- LHR
Nonstop10h 40m
United Airlines
Deal found 1/26![United Airlines logo]()
$477
This ChecknFly deal was found by Cheapflights users on 1/27. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/71:45 pm
LHR
- LAX
1 stop34h 50m
Lufthansa
Sat 2/2110:55 pm
LAX
- LHR
2 stops23h 45m
Lufthansa
Deal found 1/27![Lufthansa logo]()
$478
This Lufthansa deal was found by Cheapflights users on 1/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
LHR
- LAX
1 stop15h 05m
Austrian Airlines
Fri 5/153:30 pm
LAX
- LHR
Nonstop10h 40m
Austrian Airlines
Deal found 1/27![Austrian Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 3/258:30 am
LHR
- LAX
2 stops19h 42m
United Airlines
Tue 3/313:30 pm
LAX
- LHR
Nonstop10h 40m
United Airlines
Deal found 1/27![United Airlines logo]()
$480
Find flight deals from United Kingdom to California
Keep the following information in mind while searching for United Kingdom to California flight deals. Data was last updated January 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $472 (United Airlines) |
One-way from | $431 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $594 |
Good round-trip deal | $528 or less |
Good one-way deal | $386 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from United Kingdom 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 January 28, 2026.
Use the filters below to find and compare flights from the United Kingdom to California that are best for you.
Fly from
United Kingdom
Fly to
California
Route
Depart
Return
Price
LondonOntario
LHR - ONT
LHRONT
London Heathrow
Wed 3/4
1:30 pm-10:57 pm
2 stops17h 27m
Ontario
Wed 3/18
1:50 pm-9:40 am
1 stop12h 50m
$473
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Tue 4/28
8:45 am-4:30 pm
1 stop15h 45m
Los Angeles
Tue 5/19
10:15 am-11:10 am
1 stop16h 55m
$477
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sun 3/1
11:15 am-6:30 pm
1 stop15h 15m
Los Angeles
Sun 3/8
11:10 pm-10:10 pm
1 stop16h 00m
$483
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Tue 5/12
8:45 am-4:30 pm
1 stop15h 45m
Los Angeles
Mon 7/6
3:35 pm-10:10 am
Nonstop10h 35m
$485
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 2/21
4:55 pm-8:25 pm
Nonstop11h 30m
Los Angeles
Wed 2/25
4:42 pm-1:15 pm
1 stop12h 33m
$496
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Thu 2/12
10:05 am-1:30 pm
Nonstop11h 25m
Los Angeles
Thu 2/19
9:00 pm-3:30 pm
Nonstop10h 30m
$497
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Mon 2/23
10:05 am-1:30 pm
Nonstop11h 25m
Los Angeles
Fri 5/1
6:05 pm-12:45 pm
Nonstop10h 40m
$497
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Wed 2/11
6:30 am-11:45 am
1 stop13h 15m
Los Angeles
Tue 3/3
10:30 pm-4:50 pm
Nonstop10h 20m
$498
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 2/27
3:20 pm-6:45 pm
Nonstop11h 25m
Los Angeles
Sun 3/8
8:00 pm-1:30 pm
Nonstop10h 30m
$498
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 2/13
3:20 pm-6:45 pm
Nonstop11h 25m
Los Angeles
Mon 2/16
7:00 pm-1:30 pm
Nonstop10h 30m
$498
Showing 1-10 of 60 results
Best time to book a flight from United Kingdom to California
Have a flexible travel schedule? Discover the best time to fly to California from United Kingdom 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 the United Kingdom to California
What is the cheapest month to book a flight from United Kingdom to California?
Currently, September is the cheapest month in which you can book a flight from United Kingdom to California (average of $320). Flying from United Kingdom to California in July is currently the most expensive (average of $528). 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 GB to CA?
Find hourly flight availability from United Kingdom 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 January 28, 2026.
It’s typically best to fly out from United Kingdom to California in the evening. Doing so could potentially save you 12% on the flight price compared to flying at noon, which is usually more expensive.
Weekly flight availability from United Kingdom to California
Explore weekly flight availability from United Kingdom to California. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 28, 2026.
The most flights from GB0 to USCA are scheduled on a Monday (50 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (35 on average).
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 January 28, 2026.
Peruse reviews from past customers who have flown with Delta, Virgin Atlantic, and United Airlines from the United Kingdom to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Crew
8.5
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from United Kingdom 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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for United Kingdom to California
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from United Kingdom to California
Discover the top 10 airlines that operate flights from United Kingdom 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 January 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$381 | Average$558 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$396 | Average$848 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$409 | Average$708 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$416 | Average$868 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$449 | Average$494 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$490 | Average$779 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$492 | Average$729 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$494 | Average$809 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$501 | Average$719 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$535 | Average$783 | FlexibilityNo cancel fee | On-time71% |