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$215+ Cheap flights from California to the United Kingdom

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Cheap flight deals from California to United Kingdom

Keep the following information in mind while searching for California to United Kingdom flight deals. Data was last updated November 10, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$584
(FlightHub)

One-way from

$215
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$765

Good round-trip deal

$639 or less

Good one-way deal

$222 or less
Provider with most accurate pricing for Los Angeles-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-London (LON) flights.
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From California to United Kingdom
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One-way flight from California to United Kingdom
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Highest demand for flights based on searches. 13% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from California to United Kingdom.
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Price to beat on a one-way flight from California to United Kingdom.
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Find flight deals from California to United Kingdom

Cheapest flights from California to United Kingdom
Explore the most affordable flight options available from California to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2025.

This Kissandfly.com deal was found by Cheapflights users on 11/9. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:35 pmSFO - LGW
2 stops32h 15mTAP AIR PORTUGAL
Tue 11/254:35 pmLGW - SFO
1 stop29h 55mTAP AIR PORTUGAL
Deal found 11/9$584
This KAYAK deal was found by Cheapflights users on 11/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/284:40 pmSFO - LHR
1 stop15h 20mScandinavian Airlines
Wed 12/310:35 amLHR - SFO
2 stops36h 00mScandinavian Airlines
Deal found 11/9$584
This KLM deal was found by Cheapflights users on 11/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:45 amSFO - LHR
1 stop13h 00mMultiple Airlines
Wed 11/1911:40 amLHR - SFO
Nonstop11h 00mMultiple Airlines
Deal found 11/7$585
This TAP AIR PORTUGAL deal was found by Cheapflights users on 11/9. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:35 pmSFO - LGW
1 stop33h 15mTAP AIR PORTUGAL
Wed 11/199:35 amLGW - SFO
2 stops62h 30mTAP AIR PORTUGAL
Deal found 11/9$586
This KLM deal was found by Cheapflights users on 11/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:20 pmSFO - LHR
1 stop12h 40mMultiple Airlines
Wed 12/311:40 amLHR - SFO
Nonstop11h 00mMultiple Airlines
Deal found 11/10$586
This Gotogate deal was found by Cheapflights users on 11/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:35 pmSFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Tue 12/236:30 pmLHR - SFO
1 stop28h 00mTAP AIR PORTUGAL
Deal found 11/10$587
This Mytrip deal was found by Cheapflights users on 11/7. 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.
Wed 11/191:20 pmSFO - LHR
1 stop14h 30mMultiple Airlines
Tue 11/257:40 amLHR - SFO
1 stop19h 55mMultiple Airlines
Deal found 11/7$588
This Netflights deal was found by Cheapflights users on 11/8. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:00 amONT - LHR
1 stop20h 00mVirgin Atlantic
Tue 12/162:45 pmLHR - ONT
1 stop16h 02mVirgin Atlantic
Deal found 11/8$589
This Mytrip deal was found by Cheapflights users on 11/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:00 pmSFO - LGW
3 stops27h 20mMultiple Airlines
Thu 12/114:00 pmLGW - SFO
2 stops28h 40mMultiple Airlines
Deal found 11/9$589
This Cheapflightsfares deal was found by Cheapflights users on 11/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:40 pmSFO - LHR
1 stop17h 00mScandinavian Airlines
Fri 12/126:40 amLHR - SFO
1 stop15h 55mScandinavian Airlines
Deal found 11/9$589
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:10 pmSFO - LGW
1 stop30h 40mTAP AIR PORTUGAL
Fri 11/214:40 pmLGW - SFO
1 stop30h 05mTAP AIR PORTUGAL
Deal found 11/9$590
This Scandinavian Airlines deal was found by Cheapflights users on 11/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/274:40 pmSFO - LHR
1 stop15h 20mScandinavian Airlines
Wed 2/257:30 pmLHR - SFO
1 stop27h 05mScandinavian Airlines
Deal found 11/8$590

Cheapflights Fare Finder

 
Customize your flight search to find flights from California to United Kingdom 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 November 10, 2025.
Use the filters below to find and compare flights from California to the United Kingdom that are best for you.

Fly from

California

Fly to

United Kingdom

Route

Depart

Return

Price

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 11/26

1:20 pm-10:00 am

1 stop12h 40m

London Heathrow

Fri 2/27

11:40 am-2:40 pm

Nonstop11h 00m

$586

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 1/20

1:20 pm-10:00 am

1 stop12h 40m

London Heathrow

Sun 1/25

6:30 am-11:50 am

1 stop13h 20m

$590

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 12/2

8:40 pm-3:10 pm

Nonstop10h 30m

London Heathrow

Tue 12/9

12:35 pm-8:30 pm

1 stop15h 55m

$591

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 12/1

4:40 pm-4:00 pm

1 stop15h 20m

London Heathrow

Fri 12/12

7:50 pm-2:35 pm

2 stops26h 45m

$592

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Tue 2/24

8:30 am-8:15 pm

3 stops27h 45m

London Stansted

Wed 3/4

8:40 pm-1:05 pm

2 stops24h 25m

$594

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 1/15

4:40 pm-9:40 pm

1 stop21h 00m

London Heathrow

Sun 1/25

5:00 pm-2:35 pm

1 stop29h 35m

$596

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 1/13

5:30 pm-12:05 pm

Nonstop10h 35m

London Heathrow

Sun 1/18

10:20 am-5:05 pm

1 stop14h 45m

$600

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 11/24

12:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Wed 12/3

6:35 am-2:50 pm

1 stop16h 15m

$601

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 12/3

1:35 pm-10:00 am

1 stop12h 25m

London Heathrow

Tue 12/9

2:45 pm-9:35 pm

1 stop14h 50m

$608

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 11/23

12:30 am-7:05 am

1 stop22h 35m

London Heathrow

Wed 12/3

6:30 am-11:50 am

1 stop13h 20m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 60 results
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Best time to book a flight from California to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from California 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 California to the United Kingdom

What is the cheapest month to book a flight from California to United Kingdom?

Currently, October is the cheapest month in which you can book a flight from California to United Kingdom (average of $226). Flying from California to United Kingdom in June is currently the most expensive (average of $563). 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 CA to GB?

Find hourly flight availability from California to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 10, 2025.

One of the essential ways to save on airfare from California to United Kingdom is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 6% on airfare.

What is the cheapest day to fly from California to United Kingdom?

Use this chart to determine the cheapest time to fly round-trip from California to United Kingdom. Price data was last updated on November 3, 2024.

Travelers seeking maximum savings on their California to United Kingdom flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from California to United Kingdom

Explore weekly flight availability from California to United Kingdom. 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 November 10, 2025.

The most flights from USCA to GB0 are scheduled on a Tuesday (52 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (51 on average).

Related info for your journey

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

  • How long is the flight from California to United Kingdom?

    For as low as $591, Delta can have you in United Kingdom from California in 10h 30m. There are 5350 mi between California and United Kingdom. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from California to United Kingdom one-way?

    $225 is the cheapest one-way deal found within the past few days, from Virgin Atlantic. You may also be able to find cheap deals on WestJet and JetBlue, with prices starting from $262 and $326, respectively.

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

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

  • How can I find direct flights from California to United Kingdom?

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

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

    Yes. Cheapflights offers flight deals from California to United Kingdom 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 California to United Kingdom?

    Currently, October is the cheapest month in which you can book a flight from California to United Kingdom (average of $226). Flying from California to United Kingdom in June is currently the most expensive (average of $563). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for California to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from California to United Kingdom

Discover the top 10 airlines that operate flights from California to United Kingdom. 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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$151Average$982FlexibilityNo cancel feeOn-time62%
WestJetCheapest$272Average$1,017FlexibilityNo cancel feeOn-time60%
Scandinavian AirlinesCheapest$328Average$690FlexibilityNo cancel feeOn-time77%
SWISSCheapest$336Average$791FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$359Average$682FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$426Average$591FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$427Average$990FlexibilityNo cancel feeOn-time76%
FinnairCheapest$465Average$718FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$476Average$870FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$494Average$922FlexibilityNo cancel feeOn-time75%

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