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$263+ 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
Mar 17 — Mar 241
Mon 3/17
Mon 3/24
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 March 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$584
(Kiwi.com)

One-way from

$263
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$673

Good round-trip deal

$661 or less

Good one-way deal

$305 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. 14% potential increase in price ($126 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/28:18 pmLAX - LGW
1 stop29h 42mMultiple Airlines
Wed 4/302:00 pmLGW - LAX
2 stops24h 56mMultiple Airlines
Deal found 3/11$584
This Gotogate deal was found by Cheapflights users on 3/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/169:15 pmLAX - LHR
1 stop12h 35mAer Lingus
Wed 10/112:00 pmLHR - LAX
1 stop14h 25mAer Lingus
Deal found 3/12$585
This Cheapflightsfares deal was found by Cheapflights users on 3/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/291:18 pmLAX - LHR
1 stop13h 12mIberia
Tue 5/611:40 amLHR - LAX
Nonstop11h 15mIberia
Deal found 3/11$586
This Cheapflightsfares deal was found by Cheapflights users on 3/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/214:35 pmSFO - LHR
Nonstop10h 25mIberia
Tue 9/302:45 pmLHR - SFO
1 stop15h 12mIberia
Deal found 3/12$592
This Flightnetwork deal was found by Cheapflights users on 3/12. 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.
Tue 4/112:35 pmLAX - LHR
1 stop13h 25mMultiple Airlines
Wed 4/306:00 amLHR - LAX
1 stop18h 30mMultiple Airlines
Deal found 3/12$595
This Scandinavian Airlines deal was found by Cheapflights users on 3/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:40 pmSFO - LHR
2 stops17h 55mScandinavian Airlines
Wed 4/99:05 pmLHR - SFO
2 stops27h 25mScandinavian Airlines
Deal found 3/11$595
This Flightnetwork deal was found by Cheapflights users on 3/11. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/175:40 pmSFO - LGW
1 stop15h 05mTAP AIR PORTUGAL
Wed 4/304:25 pmLGW - SFO
1 stop30h 05mTAP AIR PORTUGAL
Deal found 3/11$596
This Trip.com deal was found by Cheapflights users on 3/11. 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.
Fri 5/28:34 amSFO - LGW
1 stop18h 21mMultiple Airlines
Wed 5/710:55 amLGW - SFO
1 stop17h 32mMultiple Airlines
Deal found 3/11$598
This Finnair deal was found by Cheapflights users on 3/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/13:40 pmLAX - LHR
Nonstop10h 25mFinnair
Tue 4/810:20 amLHR - LAX
1 stop14h 45mFinnair
Deal found 3/11$599
This Flightnetwork deal was found by Cheapflights users on 3/11. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/175:40 pmSFO - LHR
1 stop22h 00mTAP AIR PORTUGAL
Wed 4/307:50 pmLHR - SFO
1 stop26h 40mTAP AIR PORTUGAL
Deal found 3/11$600
This Gotogate deal was found by Cheapflights users on 3/10. 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.
Sun 11/231:10 pmSFO - LHR
1 stop13h 00mMultiple Airlines
Tue 12/26:40 pmLHR - SFO
1 stop29h 45mMultiple Airlines
Deal found 3/10$601
This Netflights deal was found by Cheapflights users on 3/12. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/308:30 amLAX - LHR
1 stop14h 00mAir Canada
Thu 5/89:30 amLHR - LAX
1 stop18h 20mAir Canada
Deal found 3/12$602

Find flights from California to United Kingdom within your budget

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 March 12, 2025.

Fly from

California

Fly to

United Kingdom

Route

Depart

Return

Price

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Wed 4/2

8:18 pm-10:00 am

1 stop29h 42m

London Gatwick

Wed 4/30

2:00 pm-6:56 am

2 stops24h 56m

$584

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 4/29

1:18 pm-10:30 am

1 stop13h 12m

London Heathrow

Wed 5/7

11:40 am-2:55 pm

Nonstop11h 15m

$586

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 3/24

9:15 pm-4:50 pm

1 stop12h 35m

London Heathrow

Thu 3/27

9:50 am-7:30 pm

1 stop16h 40m

$591

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 4/15

10:19 am-9:00 am

1 stop14h 41m

London Heathrow

Tue 5/20

10:45 am-1:50 pm

Nonstop11h 05m

$592

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 4/2

8:05 pm-2:35 pm

Nonstop10h 30m

London Heathrow

Tue 4/8

10:20 am-5:05 pm

1 stop14h 45m

$595

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 4/1

7:40 pm-9:35 pm

2 stops17h 55m

London Heathrow

Wed 4/9

9:05 pm-4:30 pm

2 stops27h 25m

$595

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Fri 5/2

8:34 am-10:55 am

1 stop18h 21m

London Gatwick

Wed 5/7

10:55 am-8:27 pm

1 stop17h 32m

$598

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 3/17

5:40 pm-10:40 pm

1 stop22h 00m

London Heathrow

Wed 4/30

7:50 pm-2:30 pm

1 stop26h 40m

$600

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 4/8

4:20 pm-9:45 am

1 stop33h 25m

London Gatwick

Thu 4/10

9:20 pm-4:50 pm

2 stops27h 30m

$601

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 4/30

8:30 am-6:30 am

1 stop14h 00m

London Heathrow

Thu 5/8

9:30 am-7:50 pm

1 stop18h 20m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

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.

Travel insights for flights from California to United Kingdom

Get recent, data-driven insights about flights from California to United Kingdom including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from California to United Kingdom (average of $661). Flying from California to United Kingdom in June is currently the most expensive (average of $1,127). 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 March 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to United Kingdom as you normally would.

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 March 12, 2025.

The most flights from USCA to GB0 are scheduled on a Wednesday (62 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (50 on average).

Rainfall in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in United Kingdom ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit United Kingdom when rainfall is around 1.6 in.

Temperature in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average temperature totals by month.

If weather is an important factor for your trip to United Kingdom, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated March 12, 2025.
Read through reviews of airlines operating flights from California to United Kingdom, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,953 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
7,953 reviews
Delta
8.0
Very good
7,953 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,320 reviews
Delta
8.0
Very good
7,953 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,268 reviews
Delta
8.0
Very good
7,953 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,566 reviews
Delta
8.0
Very good
7,953 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.5
Good
767 reviews
Delta
8.0
Very good
7,953 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    $295 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Norse Atlantic UK and JetBlue, with prices starting from $314 and $320, 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, November is the cheapest month in which you can book a flight from California to United Kingdom (average of $661). Flying from California to United Kingdom in June is currently the most expensive (average of $1,127). 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

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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 March 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$272Average$1,006FlexibilityNo cancel feeOn-time60%
Scandinavian AirlinesCheapest$323Average$706FlexibilityNo cancel feeOn-time77%
Norse Atlantic UKCheapest$377Average$678FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$418Average$987FlexibilityNo cancel feeOn-time72%
TAP AIR PORTUGALCheapest$428Average$591FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$447Average$988FlexibilityNo cancel feeOn-time77%
KLMCheapest$463Average$981FlexibilityNo cancel feeOn-time75%
FinnairCheapest$465Average$721FlexibilityNo cancel feeOn-time76%
DeltaCheapest$472Average$976FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$482Average$1,051FlexibilityNo cancel feeOn-time67%
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