$458+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
Jul 29 — Aug 51
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 June 29, 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 June 29, 2026.
This United Airlines deal was found by Cheapflights users on 6/25. 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 7/91:40 pm
LHR
- ONT
1 stop16h 15m
United Airlines
Tue 7/141:50 pm
ONT
- LHR
1 stop13h 20m
United Airlines
Deal found 6/25![United Airlines logo]()
$584
This The Travel House deal was found by Cheapflights users on 6/25. 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.
Thu 7/21:40 pm
LHR
- ONT
1 stop16h 15m
Lufthansa
Thu 7/161:18 pm
ONT
- LHR
1 stop12h 22m
Lufthansa
Deal found 6/25![Lufthansa logo]()
$585
This The Travel House deal was found by Cheapflights users on 6/25. 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.
Sat 7/410:00 am
LHR
- ONT
1 stop19h 57m
Lufthansa
Sat 7/111:18 pm
ONT
- LHR
1 stop12h 22m
Lufthansa
Deal found 6/25![Lufthansa logo]()
$587
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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 7/98:30 am
LHR
- SFO
2 stops22h 27m
Lufthansa
Sun 7/127:15 pm
SFO
- LHR
1 stop17h 25m
Lufthansa
Deal found 6/25![Lufthansa logo]()
$598
This Air Canada deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:00 am
LHR
- SFO
2 stops19h 30m
Air Canada
Tue 11/39:00 am
SFO
- LHR
2 stops18h 20m
Air Canada
Deal found 6/25![Air Canada logo]()
$599
This oojo deal was found by Cheapflights users on 6/25. 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 8/206:35 pm
LGW
- SFO
1 stop30h 00m
SWISS
Sat 9/52:20 pm
SFO
- LGW
1 stop34h 05m
SWISS
Deal found 6/25![SWISS logo]()
$599
This Justfly.com deal was found by Cheapflights users on 6/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am
LHR
- LAX
1 stop16h 45m
TAP AIR PORTUGAL
Sun 10/44:40 pm
LAX
- LHR
1 stop18h 10m
TAP AIR PORTUGAL
Deal found 6/27![TAP AIR PORTUGAL logo]()
$599
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 8/286:35 pm
LGW
- SFO
1 stop30h 00m
SWISS
Mon 9/72:20 pm
SFO
- LGW
1 stop19h 30m
SWISS
Deal found 6/25![SWISS logo]()
$600
This Gotogate deal was found by Cheapflights users on 6/25. 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.
Tue 10/276:30 am
LHR
- SFO
1 stop14h 05m
Multiple Airlines
Tue 11/38:40 am
SFO
- LHR
1 stop13h 50m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$601
This TravelUp deal was found by Cheapflights users on 6/28. 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.
Tue 9/87:25 am
LHR
- LAX
1 stop15h 50m
Lufthansa
Tue 9/293:40 pm
LAX
- LHR
Nonstop10h 30m
Lufthansa
Deal found 6/28![Lufthansa logo]()
$601
This Flightcatchers deal was found by Cheapflights users on 6/26. 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 Flightcatchers is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:55 pm
LHR
- SFO
1 stop22h 50m
Virgin Atlantic
Wed 9/162:30 pm
SFO
- LHR
2 stops17h 05m
Virgin Atlantic
Deal found 6/26![Virgin Atlantic logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:35 pm
LGW
- SFO
1 stop30h 00m
SWISS
Fri 9/42:20 pm
SFO
- LGW
1 stop34h 00m
SWISS
Deal found 6/26![SWISS logo]()
$602
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 June 29, 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 June 29, 2026.
This United Airlines deal was found by Cheapflights users on 6/25. 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 9/910:35 am
LHR
- ONT
1 stop15h 41m
United Airlines
Mon 10/121:24 pm
ONT
- LHR
1 stop12h 16m
United Airlines
Deal found 6/25![United Airlines logo]()
$584
This Delta deal was found by Cheapflights users on 6/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:30 am
LHR
- SFO
1 stop13h 15m
Delta
Tue 10/610:35 am
SFO
- LHR
1 stop17h 35m
Delta
Deal found 6/27![Delta logo]()
$654
This British Airways deal was found by Cheapflights users on 6/27. 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.
Thu 10/154:55 pm
LHR
- LAX
Nonstop11h 20m
British Airways
Sun 10/258:20 pm
LAX
- LHR
Nonstop10h 40m
British Airways
Deal found 6/27![British Airways logo]()
$654
This Scandinavian Airlines deal was found by Cheapflights users on 6/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:05 am
LHR
- LAX
2 stops17h 55m
Scandinavian Airlines
Fri 11/137:30 pm
LAX
- LHR
2 stops30h 05m
Scandinavian Airlines
Deal found 6/28![Scandinavian Airlines logo]()
$671
This KLM deal was found by Cheapflights users on 6/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:55 am
LHR
- ONT
1 stop13h 40m
KLM
Wed 9/231:04 pm
ONT
- LHR
1 stop12h 56m
KLM
Deal found 6/26![KLM logo]()
$676
This Virgin Atlantic deal was found by Cheapflights users on 6/25. 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.
Tue 9/159:20 am
LCY
- SFO
2 stops19h 12m
Virgin Atlantic
Tue 9/296:00 am
SFO
- LCY
2 stops18h 50m
Virgin Atlantic
Deal found 6/25![Virgin Atlantic logo]()
$682
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/27. 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 9/199:15 pm
LGW
- SFO
2 stops48h 50m
TAP AIR PORTUGAL
Sat 9/267:35 pm
SFO
- LGW
1 stop30h 10m
TAP AIR PORTUGAL
Deal found 6/27![TAP AIR PORTUGAL logo]()
$736
This ITA Airways deal was found by Cheapflights users on 6/27. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:25 pm
LCY
- LAX
2 stops25h 50m
ITA Airways
Tue 10/63:15 pm
LAX
- LCY
2 stops19h 35m
ITA Airways
Deal found 6/27![ITA Airways logo]()
$745
This SWISS deal was found by Cheapflights users on 6/25. 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.
Thu 8/208:05 pm
LHR
- SFO
1 stop28h 30m
SWISS
Sat 9/57:35 pm
SFO
- LHR
2 stops17h 55m
SWISS
Deal found 6/25![SWISS logo]()
$757
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:00 pm
LHR
- ONT
1 stop14h 45m
Alaska Airlines
Thu 10/2211:13 am
ONT
- LHR
1 stop19h 52m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$763
This Condor deal was found by Cheapflights users on 6/26. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:20 am
LGW
- LAX
2 stops19h 39m
Multiple Airlines
Mon 9/144:45 pm
LAX
- LGW
1 stop13h 55m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$898
This JetBlue deal was found by Cheapflights users on 6/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:20 pm
LGW
- SFO
1 stop20h 10m
JetBlue
Thu 8/611:26 am
SFO
- LGW
1 stop14h 09m
JetBlue
Deal found 6/27![JetBlue logo]()
$968
This Turkish Airlines deal was found by Cheapflights users on 6/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:55 am
STN
- SFO
1 stop37h 35m
Turkish Airlines
Wed 12/26:35 pm
SFO
- STN
1 stop31h 20m
Turkish Airlines
Deal found 6/28![Turkish Airlines logo]()
$978
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Tue 8/258:45 am
LHR
- SFO
1 stop15h 50m
United Airlines
Sat 9/512:24 pm
SFO
- LHR
1 stop15h 11m
United Airlines
Deal found 6/26![United Airlines logo]()
$669
This British Airways deal was found by Cheapflights users on 6/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:30 am
LGW
- LAX
2 stops19h 29m
British Airways
Tue 10/205:50 pm
LAX
- LGW
1 stop18h 10m
British Airways
Deal found 6/28![British Airways logo]()
$669
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:15 pm
LHR
- ONT
1 stop27h 52m
Delta
Wed 9/1611:54 am
ONT
- LHR
1 stop19h 41m
Delta
Deal found 6/26![Delta logo]()
$676
This Virgin Atlantic deal was found by Cheapflights users on 6/24. 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.
Tue 11/39:20 am
LCY
- LAX
2 stops19h 11m
Virgin Atlantic
Sun 11/156:30 am
LAX
- LCY
2 stops18h 20m
Virgin Atlantic
Deal found 6/24![Virgin Atlantic logo]()
$690
This Scandinavian Airlines deal was found by Cheapflights users on 6/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:50 pm
LHR
- SFO
2 stops27h 00m
Scandinavian Airlines
Tue 11/174:45 pm
SFO
- LHR
1 stop16h 55m
Scandinavian Airlines
Deal found 6/28![Scandinavian Airlines logo]()
$694
This KLM deal was found by Cheapflights users on 6/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:25 am
LCY
- LAX
1 stop14h 20m
KLM
Sat 10/174:45 pm
LAX
- LCY
1 stop12h 30m
KLM
Deal found 6/28![KLM logo]()
$698
This United Airlines deal was found by Cheapflights users on 6/27. 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 10/161:05 pm
LHR
- LAX
Nonstop11h 20m
United Airlines
Tue 10/202:35 pm
LAX
- LHR
1 stop13h 50m
United Airlines
Deal found 6/27![United Airlines logo]()
$676
This British Airways deal was found by Cheapflights users on 6/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:50 am
LHR
- LAX
Nonstop11h 30m
British Airways
Tue 11/35:30 pm
LAX
- LHR
Nonstop10h 40m
British Airways
Deal found 6/28![British Airways logo]()
$677
This Delta deal was found by Cheapflights users on 6/24. 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.
Thu 10/110:25 am
LGW
- LAX
1 stop16h 19m
Delta
Thu 10/86:00 pm
LAX
- LGW
1 stop14h 00m
Delta
Deal found 6/24![Delta logo]()
$689
This Virgin Atlantic deal was found by Cheapflights users on 6/25. 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.
Wed 9/99:20 am
LCY
- LAX
1 stop13h 25m
Virgin Atlantic
Mon 10/127:35 am
LAX
- LCY
2 stops17h 55m
Virgin Atlantic
Deal found 6/25![Virgin Atlantic logo]()
$697
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:00 pm
LHR
- ONT
1 stop26h 16m
Alaska Airlines
Sat 9/193:14 pm
ONT
- LHR
1 stop15h 51m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$780
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/24. 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 6/24![TAP AIR PORTUGAL logo]()
$786
This Scandinavian Airlines deal was found by Cheapflights users on 6/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:50 pm
LHR
- SFO
2 stops26h 50m
Scandinavian Airlines
Tue 10/134:45 pm
SFO
- LHR
2 stops18h 05m
Scandinavian Airlines
Deal found 6/28![Scandinavian Airlines logo]()
$718
This SWISS deal was found by Cheapflights users on 6/27. 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.
Wed 7/158:05 pm
LHR
- SFO
1 stop28h 10m
SWISS
Wed 7/222:20 pm
SFO
- LHR
2 stops18h 15m
SWISS
Deal found 6/27![SWISS logo]()
$816
This KLM deal was found by Cheapflights users on 6/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:30 pm
LHR
- LAS
Nonstop10h 45m
KLM
Sun 9/2010:00 pm
LAS
- LHR
Nonstop9h 55m
KLM
Deal found 6/29![KLM logo]()
$775
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Fri 8/2110:35 am
LHR
- SFO
Nonstop11h 00m
United Airlines
Sat 9/58:45 am
SFO
- LHR
1 stop16h 55m
United Airlines
Deal found 6/26![United Airlines logo]()
$706
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 8/65:00 pm
LHR
- LAX
1 stop15h 05m
Alaska Airlines
Mon 8/174:25 pm
LAX
- LHR
1 stop14h 40m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$791
Last-minute flights from London to CaliforniaDiscover last-minute flight deals from London to California. Data last updated June 29, 2026 and is based on user searches.
Discover last-minute flight deals from London to California. Data last updated June 29, 2026 and is based on user searches.
This The Travel House deal was found by Cheapflights users on 6/25. 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.
Thu 7/21:40 pm
LHR
- ONT
1 stop16h 15m
Lufthansa
Thu 7/161:18 pm
ONT
- LHR
1 stop12h 22m
Lufthansa
Deal found 6/25![Lufthansa logo]()
$585
This Finnair deal was found by Cheapflights users on 6/25. 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.
Thu 7/211:00 am
LHR
- LAX
1 stop13h 19m
Finnair
Wed 7/81:25 pm
LAX
- LHR
1 stop14h 50m
Finnair
Deal found 6/25![Finnair logo]()
$606
This Orbitz deal was found by Cheapflights users on 6/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:50 am
LHR
- SFO
2 stops19h 28m
Multiple Airlines
Fri 7/109:05 pm
SFO
- LHR
1 stop14h 35m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$604
This The Travel House deal was found by Cheapflights users on 6/25. 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.
Sat 7/410:00 am
LHR
- ONT
1 stop19h 57m
Lufthansa
Sat 7/111:18 pm
ONT
- LHR
1 stop12h 22m
Lufthansa
Deal found 6/25![Lufthansa logo]()
$587
This Iberia deal was found by Cheapflights users on 6/25. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:15 pm
LHR
- LAX
1 stop15h 18m
Iberia
Mon 7/203:00 pm
LAX
- LHR
1 stop13h 50m
Iberia
Deal found 6/25![Iberia logo]()
$607
This Booking.com deal was found by Cheapflights users on 6/25. 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.
Sat 7/47:45 am
LHR
- LAX
1 stop18h 57m
Multiple Airlines
Sun 7/198:15 am
LAX
- LHR
1 stop14h 15m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$610
This deal was found by Cheapflights users on 6/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:40 am
LHR
- LAX
1 stop18h 04m
Delta
Tue 8/186:00 am
LAX
- LHR
1 stop18h 50m
Delta
Deal found 6/28![Delta logo]()
$603
This deal was found by Cheapflights users on 6/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:50 pm
LHR
- LAX
1 stop17h 17m
Delta
Sun 8/235:51 pm
LAX
- LHR
1 stop13h 44m
Delta
Deal found 6/28![Delta logo]()
$611
This United Airlines deal was found by Cheapflights users on 6/25. 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 7/91:40 pm
LHR
- ONT
1 stop16h 15m
United Airlines
Sat 7/254:20 pm
ONT
- LHR
1 stop13h 50m
United Airlines
Deal found 6/25![United Airlines logo]()
$584
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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 7/98:30 am
LHR
- SFO
2 stops22h 27m
Lufthansa
Sun 7/127:15 pm
SFO
- LHR
1 stop17h 25m
Lufthansa
Deal found 6/25![Lufthansa logo]()
$598
This TravelUp deal was found by Cheapflights users on 6/25. 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 7/107:30 am
LHR
- SFO
1 stop15h 45m
Lufthansa
Sat 7/257:50 pm
SFO
- LHR
Nonstop10h 20m
Lufthansa
Deal found 6/25![Lufthansa logo]()
$603
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:00 am
LHR
- LAX
1 stop18h 30m
Multiple Airlines
Mon 7/133:35 pm
LAX
- LHR
Nonstop10h 35m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$609
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 June 29, 2026.
Search for one-way flight options from London to California. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
This American Airlines deal was found by Cheapflights users on 6/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:45 pm
LHR
- ONT
2 stops34h 19m
American Airlines
Deal found 6/26![American Airlines logo]()
$458
This TravelUp deal was found by Cheapflights users on 6/27. 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.
Mon 8/2411:00 am
LHR
- ONT
1 stop15h 15m
British Airways
Deal found 6/27![British Airways logo]()
$459
This TravelUp deal was found by Cheapflights users on 6/28. 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 9/134:25 pm
LHR
- ONT
1 stop15h 11m
British Airways
Deal found 6/28![British Airways logo]()
$460
This TravelUp deal was found by Cheapflights users on 6/26. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:45 pm
LHR
- ONT
1 stop15h 21m
British Airways
Deal found 6/26![British Airways logo]()
$462
This TravelUp deal was found by Cheapflights users on 6/29. 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 10/154:25 pm
LHR
- ONT
1 stop15h 27m
British Airways
Deal found 6/29![British Airways logo]()
$463
This Expedia deal was found by Cheapflights users on 6/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:05 pm
LHR
- ONT
1 stop17h 16m
Lufthansa
Deal found 6/26![Lufthansa logo]()
$465
This American Airlines deal was found by Cheapflights users on 6/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:15 am
LHR
- ONT
2 stops18h 32m
American Airlines
Deal found 6/27![American Airlines logo]()
$468
This American Airlines deal was found by Cheapflights users on 6/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:15 am
LHR
- ONT
2 stops19h 54m
American Airlines
Deal found 6/25![American Airlines logo]()
$469
This lol.travel deal was found by Cheapflights users on 6/27. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:00 pm
LHR
- ONT
1 stop14h 24m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$476
This Vliegwinkel deal was found by Cheapflights users on 6/29. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:00 am
LHR
- ONT
1 stop15h 15m
British Airways
Deal found 6/29![British Airways logo]()
$478
This Mytrip deal was found by Cheapflights users on 6/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:00 am
LHR
- ONT
1 stop15h 15m
British Airways
Deal found 6/29![British Airways logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Sat 9/265:00 pm
LHR
- LAX
3 stops32h 10m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$567
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 June 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $553 (United Airlines) |
One-way from | $458 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $734 |
Good round-trip deal | $656 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 June 29, 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
LondonOntario
LHR - ONT
LHRONT
London Heathrow
Wed 9/9
10:35 am-6:16 pm
1 stop15h 41m
Ontario
Mon 10/12
1:24 pm-9:40 am
1 stop12h 16m
$584
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 9/29
6:30 am-11:45 am
1 stop13h 15m
San Francisco
Tue 10/6
10:35 am-12:10 pm
1 stop17h 35m
$654
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Thu 10/15
4:55 pm-8:15 pm
Nonstop11h 20m
Los Angeles
Sun 10/25
8:20 pm-2:00 pm
Nonstop10h 40m
$654
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 8/25
8:45 am-4:35 pm
1 stop15h 50m
San Francisco
Sat 9/5
12:24 pm-11:35 am
1 stop15h 11m
$669
LondonLos Angeles
LGW - LAX
LGWLAX
London Gatwick
Fri 10/16
11:30 am-10:59 pm
2 stops19h 29m
Los Angeles
Tue 10/20
5:50 pm-8:00 pm
1 stop18h 10m
$669
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Wed 11/4
7:05 am-5:00 pm
2 stops17h 55m
Los Angeles
Fri 11/13
7:30 pm-9:35 am
2 stops30h 05m
$671
LondonOntario
LHR - ONT
LHRONT
London Heathrow
Wed 9/16
10:55 am-4:35 pm
1 stop13h 40m
Ontario
Wed 9/23
1:04 pm-10:00 am
1 stop12h 56m
$676
LondonOntario
LHR - ONT
LHRONT
London Heathrow
Fri 9/11
3:15 pm-11:07 am
1 stop27h 52m
Ontario
Wed 9/16
11:54 am-3:35 pm
1 stop19h 41m
$676
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 10/16
1:05 pm-4:25 pm
Nonstop11h 20m
Los Angeles
Tue 10/20
2:35 pm-12:25 pm
1 stop13h 50m
$676
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 10/30
11:50 am-4:20 pm
Nonstop11h 30m
Los Angeles
Tue 11/3
5:30 pm-12:10 pm
Nonstop10h 40m
$677
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.
LHR-ONT
LHR-LAS
LGW-SFO
LHR-LAX
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
LHR-ONT
LHR-LAS
LGW-SFO
LHR-LAX
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 $554). Flying from London to California in December is currently the most expensive (average of $794). 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 June 29, 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 June 29, 2026.
The most flights from LON to USCA are scheduled on a Sunday (54 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (45 on average).
How much does it cost to fly round-trip from London to California?
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 82 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 June 29, 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.
Food
7.3
Boarding
7.8
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Comfort
7.7
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - 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 June 29, 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 June 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$396 | Average$830 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$415 | Average$702 | 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$454 | Average$749 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$468 | Average$659 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$494 | Average$805 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$494 | Average$771 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$500 | Average$662 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$519 | Average$816 | FlexibilityNo cancel fee | On-time70% |