$370+ Cheap flights from London (LON) 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
Sep 1 — Sep 81
Round-trip
1 adult, Economy
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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 August 2, 2026.
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 August 2, 2026.
This TravelUp deal was found by Cheapflights users on 7/30. 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.
Sat 9/56:55 am
LHR
- LAX
1 stop16h 20m
Lufthansa
Sat 9/263:40 pm
LAX
- LHR
Nonstop10h 30m
Lufthansa
Deal found 7/30![Lufthansa logo]()
$585
This Expedia deal was found by Cheapflights users on 7/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:35 am
LGW
- LAX
2 stops21h 04m
Multiple Airlines
Thu 11/2612:15 pm
LAX
- LGW
2 stops21h 35m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$585
This United Airlines deal was found by Cheapflights users on 7/31. 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 10/97:25 am
LHR
- LAX
1 stop15h 50m
United Airlines
Thu 10/153:40 pm
LAX
- LHR
Nonstop10h 30m
United Airlines
Deal found 7/31![United Airlines logo]()
$586
This Travelis deal was found by Cheapflights users on 7/29. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:40 pm
LGW
- LAX
1 stop29h 50m
SWISS
Tue 12/17:10 pm
LAX
- LGW
1 stop14h 40m
SWISS
Deal found 7/29![SWISS logo]()
$586
This Lufthansa deal was found by Cheapflights users on 7/29. 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.
Wed 10/218:40 am
LHR
- LAX
1 stop15h 50m
Multiple Airlines
Wed 11/42:21 pm
LAX
- LHR
1 stop13h 39m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$587
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:50 pm
LGW
- LAX
1 stop31h 45m
TAP AIR PORTUGAL
Sun 9/274:40 pm
LAX
- LGW
1 stop33h 05m
TAP AIR PORTUGAL
Deal found 7/31![TAP AIR PORTUGAL logo]()
$587
This United Airlines deal was found by Cheapflights users on 7/30. 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 10/218:40 am
LHR
- LAX
1 stop15h 50m
United Airlines
Sat 10/3110:55 am
LAX
- LHR
1 stop13h 30m
United Airlines
Deal found 7/30![United Airlines logo]()
$588
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:25 pm
LGW
- LAX
1 stop30h 20m
TAP AIR PORTUGAL
Tue 9/294:45 pm
LAX
- LGW
1 stop33h 00m
TAP AIR PORTUGAL
Deal found 7/29![TAP AIR PORTUGAL logo]()
$588
This United Airlines deal was found by Cheapflights users on 8/1. 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 10/217:25 am
LHR
- LAX
1 stop15h 50m
United Airlines
Thu 11/512:30 pm
LAX
- LHR
1 stop15h 20m
United Airlines
Deal found 8/1![United Airlines logo]()
$589
This Expedia deal was found by Cheapflights users on 7/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:25 am
LGW
- LAX
1 stop15h 05m
SWISS
Mon 9/147:35 pm
LAX
- LGW
1 stop14h 15m
SWISS
Deal found 7/29![SWISS logo]()
$589
This TravelUp deal was found by Cheapflights users on 7/30. 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 10/218:20 am
LHR
- LAX
Nonstop11h 10m
British Airways
Wed 10/287:25 pm
LAX
- LHR
Nonstop10h 40m
British Airways
Deal found 7/30![British Airways logo]()
$590
This Globehunters deal was found by Cheapflights users on 7/29. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:00 am
LHR
- LAX
1 stop15h 05m
Austrian Airlines
Fri 9/183:40 pm
LAX
- LHR
Nonstop10h 30m
Austrian Airlines
Deal found 7/29![Austrian Airlines logo]()
$591
Best flights from London to CaliforniaDiscover carefully curated flight deals from London to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
Discover carefully curated flight deals from London to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/278:45 am
LHR
- LAX
1 stop15h 45m
United Airlines
Wed 9/93:40 pm
LAX
- LHR
Nonstop10h 30m
United Airlines
Deal found 7/29![United Airlines logo]()
$600
This Lufthansa deal was found by Cheapflights users on 7/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:00 pm
LHR
- SFO
Nonstop11h 00m
Multiple Airlines
Tue 9/297:45 pm
SFO
- LHR
Nonstop10h 25m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$611
This Lufthansa deal was found by Cheapflights users on 7/31. 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 11/127:40 am
LHR
- LAX
1 stop15h 35m
Lufthansa
Tue 11/175:30 pm
LAX
- LHR
1 stop14h 20m
Lufthansa
Deal found 7/31![Lufthansa logo]()
$623
This SWISS deal was found by Cheapflights users on 7/31. 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.
Wed 9/169:25 am
LGW
- LAX
1 stop15h 05m
SWISS
Fri 2/511:30 am
LAX
- LGW
2 stops22h 20m
SWISS
Deal found 7/31![SWISS logo]()
$624
This Finnair deal was found by Cheapflights users on 7/30. 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.
Sat 11/216:10 pm
LHR
- LAX
1 stop30h 55m
Finnair
Mon 11/306:00 pm
LAX
- LHR
Nonstop10h 30m
Finnair
Deal found 7/30![Finnair logo]()
$653
This British Airways deal was found by Cheapflights users on 7/31. 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.
Wed 9/99:50 am
LHR
- SFO
1 stop14h 05m
British Airways
Tue 9/1510:31 am
SFO
- LHR
1 stop13h 09m
British Airways
Deal found 7/31![British Airways logo]()
$656
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:25 am
LGW
- LAX
1 stop16h 11m
Delta
Fri 9/256:00 pm
LAX
- LGW
1 stop14h 00m
Delta
Deal found 7/30![Delta logo]()
$681
This Virgin Atlantic deal was found by Cheapflights users on 7/31. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:20 am
LCY
- LAX
2 stops18h 35m
Virgin Atlantic
Sun 9/131:50 pm
LAX
- LCY
1 stop19h 30m
Virgin Atlantic
Deal found 7/31![Virgin Atlantic logo]()
$704
This Scandinavian Airlines deal was found by Cheapflights users on 8/1. 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.
Mon 8/247:30 pm
LHR
- SFO
1 stop27h 10m
Scandinavian Airlines
Mon 9/144:45 pm
SFO
- LHR
2 stops18h 05m
Scandinavian Airlines
Deal found 8/1![Scandinavian Airlines logo]()
$739
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/1. 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 9/219:15 pm
LGW
- LAX
2 stops25h 30m
TAP AIR PORTUGAL
Tue 9/294:45 pm
LAX
- LGW
1 stop33h 00m
TAP AIR PORTUGAL
Deal found 8/1![TAP AIR PORTUGAL logo]()
$751
This Turkish Airlines deal was found by Cheapflights users on 7/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:20 pm
STN
- LAX
1 stop25h 30m
Turkish Airlines
Thu 11/196:30 pm
LAX
- STN
1 stop37h 50m
Turkish Airlines
Deal found 7/30![Turkish Airlines logo]()
$982
This United Airlines deal was found by Cheapflights users on 8/1. 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 1/276:50 am
LHR
- ONT
2 stops19h 54m
United Airlines
Fri 1/296:00 am
ONT
- LHR
2 stops17h 55m
United Airlines
Deal found 8/1![United Airlines logo]()
$622
This SWISS deal was found by Cheapflights users on 8/1. 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 10/267:30 pm
LHR
- SFO
2 stops53h 00m
SWISS
Sun 11/87:25 pm
SFO
- LHR
2 stops18h 00m
SWISS
Deal found 8/1![SWISS logo]()
$631
This Lufthansa deal was found by Cheapflights users on 7/30. 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 8/276:30 am
LHR
- SFO
1 stop14h 10m
Multiple Airlines
Wed 9/912:50 pm
SFO
- LHR
Nonstop10h 35m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$643
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2010:45 am
LHR
- ONT
1 stop21h 03m
Delta
Tue 1/53:30 pm
ONT
- LHR
1 stop35h 10m
Delta
Deal found 7/31![Delta logo]()
$682
This British Airways deal was found by Cheapflights users on 7/31. 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.
Fri 12/47:50 am
LCY
- LAX
1 stop16h 50m
British Airways
Sun 12/63:45 pm
LAX
- LCY
2 stops58h 35m
British Airways
Deal found 7/31![British Airways logo]()
$687
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/287:30 am
LHR
- LAX
1 stop16h 50m
United Airlines
Mon 9/2812:25 pm
LAX
- LHR
1 stop13h 35m
United Airlines
Deal found 7/30![United Airlines logo]()
$629
This Lufthansa deal was found by Cheapflights users on 7/31. 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.
Tue 9/151:00 pm
LHR
- SFO
Nonstop11h 00m
Lufthansa
Tue 9/2212:50 pm
SFO
- LHR
Nonstop10h 35m
Lufthansa
Deal found 7/31![Lufthansa logo]()
$693
This Virgin Atlantic deal was found by Cheapflights users on 7/28. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:20 am
LCY
- LAX
1 stop13h 25m
Virgin Atlantic
Fri 9/188:45 am
LAX
- LCY
2 stops16h 45m
Virgin Atlantic
Deal found 7/28![Virgin Atlantic logo]()
$711
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2010:45 am
LHR
- ONT
1 stop21h 03m
Delta
Mon 1/46:00 am
ONT
- LHR
1 stop20h 00m
Delta
Deal found 7/31![Delta logo]()
$684
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/29. 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.
Wed 9/99:15 pm
LGW
- SFO
2 stops25h 15m
TAP AIR PORTUGAL
Tue 9/157:20 pm
SFO
- LGW
3 stops41h 10m
TAP AIR PORTUGAL
Deal found 7/29![TAP AIR PORTUGAL logo]()
$754
This Lufthansa deal was found by Cheapflights users on 7/29. 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.
Mon 9/2110:35 am
LHR
- SFO
Nonstop11h 00m
Multiple Airlines
Mon 9/284:45 pm
SFO
- LHR
Nonstop10h 25m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$689
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 12/2011:35 am
LHR
- LAX
1 stop14h 06m
United Airlines
Wed 1/610:15 am
LAX
- LHR
1 stop13h 25m
United Airlines
Deal found 7/31![United Airlines logo]()
$629
This SWISS deal was found by Cheapflights users on 7/31. 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.
Wed 9/99:25 am
LGW
- SFO
1 stop14h 50m
SWISS
Mon 9/142:40 pm
SFO
- LGW
2 stops19h 10m
SWISS
Deal found 7/31![SWISS logo]()
$694
This British Airways deal was found by Cheapflights users on 7/30. 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.
Thu 8/2712:15 pm
LHR
- SFO
1 stop15h 33m
British Airways
Wed 9/94:35 pm
SFO
- LHR
Nonstop10h 25m
British Airways
Deal found 7/30![British Airways logo]()
$696
This Scandinavian Airlines deal was found by Cheapflights users on 7/30. 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 8/276:40 am
LHR
- LAX
1 stop18h 10m
Scandinavian Airlines
Wed 9/912:00 pm
LAX
- LHR
2 stops21h 40m
Scandinavian Airlines
Deal found 7/30![Scandinavian Airlines logo]()
$776
This Virgin Atlantic deal was found by Cheapflights users on 7/31. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:15 pm
LCY
- LAX
1 stop23h 35m
Virgin Atlantic
Wed 10/148:10 am
LAX
- LCY
2 stops16h 40m
Virgin Atlantic
Deal found 7/31![Virgin Atlantic logo]()
$716
This Lufthansa deal was found by Cheapflights users on 7/27. 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.
Wed 8/264:15 pm
LHR
- SFO
Nonstop10h 55m
Multiple Airlines
Wed 9/1612:55 pm
SFO
- LHR
Nonstop10h 30m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$690
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sun 11/110:25 am
LHR
- ONT
1 stop16h 22m
United Airlines
Sun 11/227:00 am
ONT
- LHR
1 stop14h 55m
United Airlines
Deal found 8/1![United Airlines logo]()
$632
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/27. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:15 pm
LGW
- SFO
2 stops50h 30m
TAP AIR PORTUGAL
Fri 11/67:15 pm
SFO
- LGW
1 stop30h 35m
TAP AIR PORTUGAL
Deal found 7/27![TAP AIR PORTUGAL logo]()
$781
Last-minute flights from London to CaliforniaDiscover last-minute flight deals from London to California. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from London to California. Data last updated August 2, 2026 and is based on user searches.
This TravelUp deal was found by Cheapflights users on 7/27. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:25 am
LHR
- SFO
1 stop14h 55m
Lufthansa
Tue 9/154:45 pm
SFO
- LHR
Nonstop10h 25m
Lufthansa
Deal found 7/27![Lufthansa logo]()
$624
This TravelUp deal was found by Cheapflights users on 7/29. 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.
Thu 8/276:55 am
LHR
- SFO
1 stop15h 25m
Lufthansa
Wed 9/98:10 am
SFO
- LHR
1 stop14h 45m
Lufthansa
Deal found 7/29![Lufthansa logo]()
$622
This TravelUp deal was found by Cheapflights users on 7/30. 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.
Thu 8/277:25 am
LHR
- SFO
1 stop14h 55m
Lufthansa
Tue 9/87:45 pm
SFO
- LHR
Nonstop10h 25m
Lufthansa
Deal found 7/30![Lufthansa logo]()
$623
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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.
Fri 8/289:25 am
LGW
- LAX
1 stop15h 05m
SWISS
Mon 9/147:35 pm
LAX
- LGW
1 stop14h 15m
SWISS
Deal found 7/31![SWISS logo]()
$593
This Expedia deal was found by Cheapflights users on 7/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:25 am
LGW
- LAX
1 stop15h 05m
SWISS
Tue 9/227:35 pm
LAX
- LGW
1 stop14h 15m
SWISS
Deal found 7/30![SWISS logo]()
$597
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/288:40 am
LHR
- ONT
2 stops19h 21m
United Airlines
Thu 9/107:00 am
ONT
- LHR
1 stop17h 30m
United Airlines
Deal found 7/30![United Airlines logo]()
$604
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/288:40 am
LHR
- ONT
2 stops19h 21m
United Airlines
Fri 9/41:18 pm
ONT
- LHR
1 stop12h 22m
United Airlines
Deal found 7/31![United Airlines logo]()
$608
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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.
Fri 8/289:15 am
LCY
- LAX
1 stop15h 15m
SWISS
Mon 9/147:35 pm
LAX
- LCY
1 stop13h 55m
SWISS
Deal found 7/31![SWISS logo]()
$612
This Expedia deal was found by Cheapflights users on 7/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:15 am
LCY
- LAX
1 stop15h 15m
SWISS
Tue 9/227:35 pm
LAX
- LCY
1 stop13h 50m
SWISS
Deal found 7/30![SWISS logo]()
$617
This Expedia deal was found by Cheapflights users on 7/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:25 am
LGW
- SFO
1 stop14h 50m
SWISS
Mon 9/77:35 pm
SFO
- LGW
1 stop14h 15m
SWISS
Deal found 7/30![SWISS logo]()
$620
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 8/298:45 am
LHR
- ONT
2 stops19h 16m
United Airlines
Sat 9/57:00 am
ONT
- LHR
2 stops15h 55m
United Airlines
Deal found 7/30![United Airlines logo]()
$606
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:25 am
LGW
- LAX
1 stop15h 05m
SWISS
Sun 9/207:35 pm
LAX
- LGW
1 stop28h 50m
SWISS
Deal found 7/28![SWISS logo]()
$620
One-way flights from London to CaliforniaSearch for one-way flight options from London to California. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
Search for one-way flight options from London to California. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/712:05 pm
LHR
- ONT
1 stop17h 16m
Lufthansa
Deal found 7/28![Lufthansa logo]()
$370
This Trip.com deal was found by Cheapflights users on 7/30. 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 11/62:45 pm
LHR
- ONT
1 stop16h 09m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$462
This TravelUp deal was found by Cheapflights users on 7/28. 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.
Thu 11/261:15 pm
LHR
- ONT
1 stop16h 41m
British Airways
Deal found 7/28![British Airways logo]()
$463
This TravelUp deal was found by Cheapflights users on 7/30. 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 10/144:25 pm
LHR
- ONT
1 stop15h 27m
British Airways
Deal found 7/30![British Airways logo]()
$464
This TravelUp deal was found by Cheapflights users on 7/29. 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.
Tue 10/271:50 pm
LHR
- ONT
1 stop15h 50m
British Airways
Deal found 7/29![British Airways logo]()
$465
This TravelUp deal was found by Cheapflights users on 7/28. 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.
Sun 9/275:00 pm
LHR
- ONT
1 stop29h 16m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$466
This TravelUp deal was found by Cheapflights users on 7/30. 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.
Fri 9/185:00 pm
LHR
- ONT
1 stop29h 16m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$467
This Booking.com deal was found by Cheapflights users on 7/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:00 pm
LHR
- ONT
1 stop26h 16m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$469
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:45 pm
LHR
- ONT
1 stop16h 09m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$470
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:00 pm
LHR
- ONT
1 stop14h 24m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$472
This KAYAK deal was found by Cheapflights users on 8/1. 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.
Mon 9/288:55 am
LHR
- SFO
1 stop18h 22m
Finnair
Deal found 8/1![Finnair logo]()
$503
This eDestinos deal was found by Cheapflights users on 7/31. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:15 am
LCY
- LAX
2 stops19h 03m
Lufthansa
Deal found 7/31![Lufthansa logo]()
$505
Find flight deals from London to California
Keep the following information in mind while searching for London to California flight deals. Data was last updated August 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $585 (TravelUp) |
One-way from | $370 (Trip.com) |
Popular in | December |
Cheapest in | February |
Average price | $710 |
Good round-trip deal | $658 or less |
Good one-way deal | $393 or less |
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 August 2, 2026.
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
Cheapest round-trip
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Thu 8/27
8:45 am-4:30 pm
1 stop15h 45m
Los Angeles
Wed 9/9
3:40 pm-10:10 am
Nonstop10h 30m
$600
Quickest round-trip
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 9/29
1:00 pm-4:00 pm
Nonstop11h 00m
San Francisco
Tue 9/29
7:45 pm-2:10 pm
Nonstop10h 25m
$611
LondonOntario
LHR - ONT
LHRONT
London Heathrow
Wed 1/27
6:50 am-6:44 pm
2 stops19h 54m
Ontario
Fri 1/29
6:00 am-7:55 am
2 stops17h 55m
$622
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Thu 11/12
7:40 am-3:15 pm
1 stop15h 35m
Los Angeles
Tue 11/17
5:30 pm-3:50 pm
1 stop14h 20m
$623
LondonLos Angeles
LGW - LAX
LGWLAX
London Gatwick
Wed 9/16
9:25 am-4:30 pm
1 stop15h 05m
Los Angeles
Fri 2/5
11:30 am-5:50 pm
2 stops22h 20m
$624
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 8/28
7:30 am-4:20 pm
1 stop16h 50m
Los Angeles
Mon 9/28
12:25 pm-10:00 am
1 stop13h 35m
$629
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sun 12/20
11:35 am-5:41 pm
1 stop14h 06m
Los Angeles
Wed 1/6
10:15 am-7:40 am
1 stop13h 25m
$629
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 10/26
7:30 pm-5:30 pm
2 stops53h 00m
San Francisco
Sun 11/8
7:25 pm-9:25 pm
2 stops18h 00m
$631
LondonOntario
LHR - ONT
LHRONT
London Heathrow
Sun 11/1
10:25 am-6:47 pm
1 stop16h 22m
Ontario
Sun 11/22
7:00 am-5:55 am
1 stop14h 55m
$632
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Thu 8/27
6:30 am-12:40 pm
1 stop14h 10m
San Francisco
Wed 9/9
12:50 pm-7:25 am
Nonstop10h 35m
$643
Showing 1-10 of 60 resultsSorted by cheapest first
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.
LGW-LAX
LHR-ONT
LCY-LAX
LGW-SFO
LHR-SFO
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
LON-USCA
LGW-LAX
LHR-ONT
LCY-LAX
LGW-SFO
What is the cheapest month to book a flight from London to California?
Currently, February is the cheapest month in which you can book a flight from London to California (average of $583). Flying from London to California in December is currently the most expensive (average of $807). 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 LON 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 August 2, 2026.
When flying from London to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from London to California
Explore weekly flight availability from London 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 August 2, 2026.
The most flights from LON to USCA are scheduled on a Monday (51 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (34 on average).
How much does it cost to fly round-trip from London to California?
Airfare is below average for this route at the moment.
London to California flights typically cost between $611 and $830 in September.The cheapest round-trip price found within the last 5 days was $585 on Lufthansa (Sep 5-Sep 26).
How far ahead should I book a flight from London to California?
The price you pay for your flight from London to California may vary depending on when you book. For the best chance of a lower fare, look to book 22 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 August 2, 2026.
Read through reviews of airlines operating flights from London to California, such as KLM,Virgin Atlantic, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.7
Boarding
7.8
Food
7.3
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Comfort
7.7
Boarding
7.8
Food
7.3
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Comfort
7.7
Boarding
7.8
Food
7.3
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Comfort
7.7
Boarding
7.8
Food
7.3
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Comfort
7.7
Boarding
7.8
Food
7.3
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Comfort
7.7
Boarding
7.8
Food
7.3
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
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
Toggle through the tabs below to find thousands of 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.
Complete your trip
Complete your trip to California by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from London to California by cabin class
Find flights from London to California, based on your preferred cabin class, be it economy, premium economy, business, or first class.
London and California flights
Browse other London and California flight options. Last updated on August 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
London to California flights
Consider these flights traveling from London to California.
Top 10 airlines flying from London to California
Discover the top 10 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 2,558,603 searches. Data last updated August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$370 | Average$820 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$416 | Average$744 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$449 | Average$500 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$468 | Average$690 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$487 | Average$709 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$494 | Average$771 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$496 | Average$802 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$500 | Average$645 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$520 | Average$842 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$521 | Average$780 | FlexibilityNo cancel fee | On-time72% |