$349+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
May 2 — May 91
Round-trip
1 adult, Economy
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Find cheap flights from California to United Kingdom with Cheapflights
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Cheapest flights from California to United KingdomExplore 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 April 2, 2026.
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 April 2, 2026.
This KAYAK deal was found by Cheapflights users on 3/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:43 pm
SFO
- LHR
2 stops41h 17m
Scandinavian Airlines
Mon 5/116:40 am
LHR
- SFO
2 stops40h 00m
Scandinavian Airlines
Deal found 3/28![Scandinavian Airlines logo]()
$649
This oojo deal was found by Cheapflights users on 4/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:35 pm
SFO
- LGW
1 stop33h 10m
TAP AIR PORTUGAL
Wed 5/612:05 pm
LGW
- SFO
2 stops36h 30m
TAP AIR PORTUGAL
Deal found 4/1![TAP AIR PORTUGAL logo]()
$653
This Mytrip deal was found by Cheapflights users on 3/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:40 pm
SFO
- STN
3 stops24h 55m
Multiple Airlines
Mon 4/2010:00 am
STN
- SFO
3 stops34h 40m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$653
This KAYAK deal was found by Cheapflights users on 3/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:45 pm
SFO
- LHR
2 stops39h 40m
Scandinavian Airlines
Fri 4/249:55 am
LHR
- SFO
2 stops36h 45m
Scandinavian Airlines
Deal found 3/30![Scandinavian Airlines logo]()
$653
This oojo deal was found by Cheapflights users on 3/31. 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.
Tue 4/144:35 pm
SFO
- LGW
1 stop33h 10m
TAP AIR PORTUGAL
Mon 4/2012:05 pm
LGW
- SFO
2 stops34h 30m
TAP AIR PORTUGAL
Deal found 3/31![TAP AIR PORTUGAL logo]()
$654
This Booking.com deal was found by Cheapflights users on 3/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:35 pm
SFO
- LGW
1 stop33h 10m
TAP AIR PORTUGAL
Mon 4/274:25 pm
LGW
- SFO
1 stop30h 10m
TAP AIR PORTUGAL
Deal found 3/29![TAP AIR PORTUGAL logo]()
$656
This Justfly.com deal was found by Cheapflights users on 4/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:55 pm
SFO
- LHR
1 stop19h 00m
TAP AIR PORTUGAL
Thu 4/306:00 am
LHR
- SFO
1 stop19h 55m
TAP AIR PORTUGAL
Deal found 4/1![TAP AIR PORTUGAL logo]()
$657
This FlightHub deal was found by Cheapflights users on 3/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:55 pm
SFO
- LGW
1 stop29h 50m
TAP AIR PORTUGAL
Mon 4/274:25 pm
LGW
- SFO
1 stop30h 10m
TAP AIR PORTUGAL
Deal found 3/28![TAP AIR PORTUGAL logo]()
$658
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:55 pm
SFO
- LGW
1 stop29h 50m
TAP AIR PORTUGAL
Thu 5/149:20 pm
LGW
- SFO
2 stops27h 30m
TAP AIR PORTUGAL
Deal found 4/1![TAP AIR PORTUGAL logo]()
$659
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:35 pm
SFO
- LGW
1 stop30h 10m
TAP AIR PORTUGAL
Mon 5/49:15 pm
LGW
- SFO
2 stops25h 20m
TAP AIR PORTUGAL
Deal found 3/30![TAP AIR PORTUGAL logo]()
$660
This Booking.com deal was found by Cheapflights users on 3/28. 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.
Thu 4/167:55 pm
SFO
- LGW
1 stop29h 50m
TAP AIR PORTUGAL
Mon 5/49:15 pm
LGW
- SFO
2 stops25h 20m
TAP AIR PORTUGAL
Deal found 3/28![TAP AIR PORTUGAL logo]()
$661
This deal was found by Cheapflights users on 3/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:20 pm
SFO
- LHR
1 stop16h 00m
Air Canada
Wed 5/69:30 am
LHR
- SFO
1 stop19h 32m
Air Canada
Deal found 3/30![Air Canada logo]()
$661
Best flights from California to United KingdomDiscover carefully curated flight deals from California to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
Discover carefully curated flight deals from California to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/27. 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.
Tue 4/144:35 pm
SFO
- LGW
1 stop33h 10m
TAP AIR PORTUGAL
Tue 4/219:15 pm
LGW
- SFO
2 stops51h 05m
TAP AIR PORTUGAL
Deal found 3/27![TAP AIR PORTUGAL logo]()
$693
This LEVEL deal was found by Cheapflights users on 3/29. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:55 pm
LAX
- LHR
1 stop29h 15m
LEVEL
Fri 4/178:50 pm
LHR
- LAX
1 stop30h 20m
LEVEL
Deal found 3/29![LEVEL logo]()
$744
This Turkish Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 5/1112:55 pm
SFO
- STN
1 stop25h 15m
Turkish Airlines
Thu 5/215:35 pm
STN
- SFO
1 stop31h 05m
Turkish Airlines
Deal found 3/30![Turkish Airlines logo]()
$757
This Delta deal was found by Cheapflights users on 3/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:15 pm
SFO
- LHR
Nonstop10h 15m
Delta
Thu 5/216:30 am
LHR
- SFO
1 stop13h 15m
Delta
Deal found 3/28![Delta logo]()
$850
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:30 pm
SFO
- LHR
Nonstop10h 40m
United Airlines
Thu 4/307:25 am
LHR
- SFO
1 stop19h 35m
United Airlines
Deal found 3/28![United Airlines logo]()
$850
This KLM deal was found by Cheapflights users on 3/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:55 pm
SFO
- LHR
Nonstop10h 20m
KLM
Thu 5/216:30 am
LHR
- SFO
1 stop13h 15m
KLM
Deal found 3/30![KLM logo]()
$850
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:00 am
SAN
- LHR
2 stops23h 40m
Scandinavian Airlines
Mon 9/146:40 am
LHR
- SAN
2 stops25h 03m
Scandinavian Airlines
Deal found 3/27![Scandinavian Airlines logo]()
$860
This Virgin Atlantic deal was found by Cheapflights users on 3/27. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:45 pm
SFO
- LCY
1 stop19h 35m
Virgin Atlantic
Thu 5/75:10 pm
LCY
- SFO
1 stop26h 35m
Virgin Atlantic
Deal found 3/27![Virgin Atlantic logo]()
$885
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/258:30 am
SFO
- STN
2 stops28h 50m
Multiple Airlines
Mon 6/85:20 pm
STN
- SFO
2 stops31h 45m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$894
This SWISS deal was found by Cheapflights users on 4/1. 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 4/207:35 pm
SFO
- LHR
2 stops17h 55m
SWISS
Mon 4/275:15 pm
LHR
- SFO
2 stops34h 30m
SWISS
Deal found 4/1![SWISS logo]()
$902
This British Airways deal was found by Cheapflights users on 3/30. 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.
Wed 9/22:22 pm
ONT
- LHR
1 stop16h 03m
British Airways
Wed 9/910:05 am
LHR
- ONT
1 stop19h 03m
British Airways
Deal found 3/30![British Airways logo]()
$922
This Norse Atlantic Airways deal was found by Cheapflights users on 3/27. 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 Norse Atlantic Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:30 pm
LAX
- LGW
Nonstop10h 25m
Norse Atlantic UK
Wed 6/1710:50 am
LGW
- LAX
Nonstop11h 20m
Norse Atlantic UK
Deal found 3/27![Norse Atlantic UK logo]()
$959
This ITA Airways deal was found by Cheapflights users on 3/27. 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.
Mon 9/73:15 pm
SFO
- LCY
2 stops21h 50m
ITA Airways
Mon 9/147:25 pm
LCY
- SFO
2 stops25h 50m
ITA Airways
Deal found 3/27![ITA Airways logo]()
$968
This JetBlue deal was found by Cheapflights users on 3/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:56 pm
ONT
- LHR
1 stop13h 49m
JetBlue
Sat 10/311:55 am
LHR
- ONT
1 stop17h 34m
JetBlue
Deal found 3/28![JetBlue logo]()
$1,043
This Icelandair deal was found by Cheapflights users on 4/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:03 am
LAX
- LHR
2 stops16h 52m
Icelandair
Thu 4/309:25 pm
LHR
- LAX
2 stops34h 34m
Icelandair
Deal found 4/1![Icelandair logo]()
$1,050
This Turkish Airlines deal was found by Cheapflights users on 3/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/241:25 pm
LAX
- STN
1 stop24h 45m
Turkish Airlines
Fri 5/110:50 am
STN
- LAX
1 stop32h 50m
Turkish Airlines
Deal found 3/29![Turkish Airlines logo]()
$792
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/27. 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.
Tue 5/54:35 pm
SFO
- LGW
1 stop33h 10m
TAP AIR PORTUGAL
Wed 5/209:15 pm
LGW
- SFO
2 stops27h 20m
TAP AIR PORTUGAL
Deal found 3/27![TAP AIR PORTUGAL logo]()
$826
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/54:35 pm
SFO
- LHR
Nonstop10h 35m
United Airlines
Tue 4/147:25 am
LHR
- SFO
1 stop15h 05m
United Airlines
Deal found 3/28![United Airlines logo]()
$850
This Delta deal was found by Cheapflights users on 3/27. 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 4/215:55 pm
SFO
- LHR
Nonstop10h 20m
Delta
Wed 5/206:30 am
LHR
- SFO
1 stop13h 15m
Delta
Deal found 3/27![Delta logo]()
$851
This Scandinavian Airlines deal was found by Cheapflights users on 3/28. 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.
Tue 9/1510:00 am
SAN
- LHR
2 stops24h 30m
Scandinavian Airlines
Tue 10/67:05 am
LHR
- SAN
3 stops24h 40m
Scandinavian Airlines
Deal found 3/28![Scandinavian Airlines logo]()
$863
This Turkish Airlines deal was found by Cheapflights users on 3/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:10 pm
LAX
- STN
1 stop29h 45m
Turkish Airlines
Mon 5/410:50 am
STN
- LAX
1 stop32h 50m
Turkish Airlines
Deal found 3/29![Turkish Airlines logo]()
$795
This Virgin Atlantic deal was found by Cheapflights users on 3/30. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:45 pm
SFO
- LCY
1 stop22h 00m
Virgin Atlantic
Wed 9/168:25 am
LCY
- SFO
2 stops19h 54m
Virgin Atlantic
Deal found 3/30![Virgin Atlantic logo]()
$889
This KLM deal was found by Cheapflights users on 3/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:45 pm
SAN
- LHR
1 stop14h 20m
KLM
Tue 4/286:30 am
LHR
- SAN
1 stop13h 20m
KLM
Deal found 3/31![KLM logo]()
$893
This KLM deal was found by Cheapflights users on 3/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:15 am
LAX
- LHR
1 stop14h 10m
Multiple Airlines
Thu 4/302:30 pm
LHR
- LAX
Nonstop11h 15m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$908
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Tue 4/144:35 pm
SFO
- LHR
Nonstop10h 35m
United Airlines
Tue 4/2110:50 am
LHR
- SFO
1 stop16h 10m
United Airlines
Deal found 3/27![United Airlines logo]()
$851
This LEVEL deal was found by Cheapflights users on 3/29. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:55 pm
LAX
- LGW
1 stop30h 30m
LEVEL
Fri 7/179:10 am
LGW
- LAX
1 stop16h 55m
LEVEL
Deal found 3/29![LEVEL logo]()
$941
This Delta deal was found by Cheapflights users on 3/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:05 pm
SFO
- LGW
1 stop16h 55m
Delta
Wed 5/2010:25 am
LGW
- SFO
1 stop15h 35m
Delta
Deal found 3/29![Delta logo]()
$861
This British Airways deal was found by Cheapflights users on 3/28. 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.
Sun 9/277:40 pm
SAN
- LHR
Nonstop10h 40m
British Airways
Sun 10/411:35 am
LHR
- SAN
Nonstop11h 20m
British Airways
Deal found 3/28![British Airways logo]()
$956
This Turkish Airlines deal was found by Cheapflights users on 3/28. 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.
Mon 4/2712:55 pm
SFO
- STN
1 stop25h 15m
Turkish Airlines
Mon 5/1110:50 am
STN
- SFO
1 stop32h 00m
Turkish Airlines
Deal found 3/28![Turkish Airlines logo]()
$797
This KLM deal was found by Cheapflights users on 3/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:15 pm
SFO
- LHR
Nonstop10h 15m
KLM
Sat 5/166:30 am
LHR
- SFO
1 stop13h 15m
KLM
Deal found 3/31![KLM logo]()
$908
Last-minute flights from California to United KingdomDiscover last-minute flight deals from California to United Kingdom. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from California to United Kingdom. Data last updated April 2, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 3/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:40 pm
SFO
- STN
3 stops24h 55m
Multiple Airlines
Mon 4/2010:00 am
STN
- SFO
3 stops34h 40m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$653
This oojo deal was found by Cheapflights users on 3/31. 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.
Tue 4/144:35 pm
SFO
- LGW
1 stop33h 10m
TAP AIR PORTUGAL
Mon 4/2012:05 pm
LGW
- SFO
2 stops34h 30m
TAP AIR PORTUGAL
Deal found 3/31![TAP AIR PORTUGAL logo]()
$654
This Booking.com deal was found by Cheapflights users on 3/28. 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.
Thu 4/167:55 pm
SFO
- LGW
1 stop29h 50m
TAP AIR PORTUGAL
Mon 5/49:15 pm
LGW
- SFO
2 stops25h 20m
TAP AIR PORTUGAL
Deal found 3/28![TAP AIR PORTUGAL logo]()
$661
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:35 pm
SFO
- LGW
1 stop30h 10m
TAP AIR PORTUGAL
Mon 5/49:15 pm
LGW
- SFO
2 stops25h 20m
TAP AIR PORTUGAL
Deal found 3/30![TAP AIR PORTUGAL logo]()
$660
This deal was found by Cheapflights users on 3/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:20 pm
SFO
- LHR
1 stop16h 00m
Air Canada
Wed 5/69:30 am
LHR
- SFO
1 stop19h 32m
Air Canada
Deal found 3/30![Air Canada logo]()
$661
This KAYAK deal was found by Cheapflights users on 3/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:45 pm
SFO
- LHR
2 stops39h 40m
Scandinavian Airlines
Fri 4/249:55 am
LHR
- SFO
2 stops36h 45m
Scandinavian Airlines
Deal found 3/30![Scandinavian Airlines logo]()
$653
This Booking.com deal was found by Cheapflights users on 3/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:35 pm
SFO
- LGW
1 stop33h 10m
TAP AIR PORTUGAL
Mon 4/274:25 pm
LGW
- SFO
1 stop30h 10m
TAP AIR PORTUGAL
Deal found 3/29![TAP AIR PORTUGAL logo]()
$656
This Justfly.com deal was found by Cheapflights users on 4/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:55 pm
SFO
- LHR
1 stop19h 00m
TAP AIR PORTUGAL
Thu 4/306:00 am
LHR
- SFO
1 stop19h 55m
TAP AIR PORTUGAL
Deal found 4/1![TAP AIR PORTUGAL logo]()
$657
This FlightHub deal was found by Cheapflights users on 3/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:55 pm
SFO
- LGW
1 stop29h 50m
TAP AIR PORTUGAL
Mon 4/274:25 pm
LGW
- SFO
1 stop30h 10m
TAP AIR PORTUGAL
Deal found 3/28![TAP AIR PORTUGAL logo]()
$658
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:55 pm
SFO
- LGW
1 stop29h 50m
TAP AIR PORTUGAL
Wed 5/69:15 pm
LGW
- SFO
2 stops27h 20m
TAP AIR PORTUGAL
Deal found 3/30![TAP AIR PORTUGAL logo]()
$662
This oojo deal was found by Cheapflights users on 4/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:35 pm
SFO
- LGW
1 stop33h 10m
TAP AIR PORTUGAL
Wed 5/612:05 pm
LGW
- SFO
2 stops36h 30m
TAP AIR PORTUGAL
Deal found 4/1![TAP AIR PORTUGAL logo]()
$653
This KAYAK deal was found by Cheapflights users on 3/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:43 pm
SFO
- LHR
2 stops41h 17m
Scandinavian Airlines
Mon 5/116:40 am
LHR
- SFO
2 stops40h 00m
Scandinavian Airlines
Deal found 3/28![Scandinavian Airlines logo]()
$649
One-way flights from California to United KingdomSearch for one-way flight options from California to United Kingdom. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
Search for one-way flight options from California to United Kingdom. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:22 pm
LAX
- LGW
2 stops28h 58m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/252:45 pm
LAX
- STN
3 stops42h 30m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:35 pm
LAX
- STN
3 stops59h 40m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$351
This LEVEL deal was found by Cheapflights users on 3/30. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:55 pm
LAX
- LHR
1 stop29h 15m
LEVEL
Deal found 3/30![LEVEL logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:15 pm
LAX
- LGW
3 stops44h 00m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$353
This LEVEL deal was found by Cheapflights users on 3/29. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:55 pm
LAX
- LHR
1 stop29h 15m
LEVEL
Deal found 3/29![LEVEL logo]()
$355
This LEVEL deal was found by Cheapflights users on 3/29. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:55 pm
LAX
- LGW
1 stop29h 05m
LEVEL
Deal found 3/29![LEVEL logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:45 am
LAX
- STN
3 stops27h 30m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:00 pm
LAX
- LGW
2 stops23h 20m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:36 pm
LAX
- STN
3 stops39h 44m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:55 pm
LAX
- LGW
3 stops40h 50m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1911:55 pm
LAX
- STN
2 stops38h 30m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$357
Find 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 April 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $649 (KAYAK) |
One-way from | $349 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $699 |
Good round-trip deal | $657 or less |
Good one-way deal | $182 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from California to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2026.
Use the filters below to find and compare flights from California to the United Kingdom that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoLondon
SFO - LGW
SFOLGW
San Francisco
Tue 4/14
4:35 pm-9:45 am
1 stop33h 10m
London Gatwick
Tue 4/21
9:15 pm-4:20 pm
2 stops51h 05m
$693
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Mon 4/13
7:55 pm-9:10 am
1 stop29h 15m
London Heathrow
Fri 4/17
8:50 pm-7:10 pm
1 stop30h 20m
$744
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Mon 5/11
12:55 pm-10:10 pm
1 stop25h 15m
London Stansted
Thu 5/21
5:35 pm-4:40 pm
1 stop31h 05m
$757
Los AngelesLondon
LAX - STN
LAXSTN
Los Angeles
Fri 4/24
1:25 pm-10:10 pm
1 stop24h 45m
London Stansted
Fri 5/1
10:50 am-11:40 am
1 stop32h 50m
$792
Los AngelesLondon
LAX - STN
LAXSTN
Los Angeles
Mon 4/27
8:10 pm-9:55 am
1 stop29h 45m
London Stansted
Mon 5/4
10:50 am-11:40 am
1 stop32h 50m
$795
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Mon 4/27
12:55 pm-10:10 pm
1 stop25h 15m
London Stansted
Mon 5/11
10:50 am-10:50 am
1 stop32h 00m
$797
San FranciscoLondon
SFO - LGW
SFOLGW
San Francisco
Tue 5/5
4:35 pm-9:45 am
1 stop33h 10m
London Gatwick
Wed 5/20
9:15 pm-4:35 pm
2 stops27h 20m
$826
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Mon 5/11
11:15 pm-5:30 pm
Nonstop10h 15m
London Heathrow
Thu 5/21
6:30 am-11:45 am
1 stop13h 15m
$850
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Mon 4/20
7:30 pm-2:10 pm
Nonstop10h 40m
London Heathrow
Thu 4/30
7:25 am-7:00 pm
1 stop19h 35m
$850
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Mon 5/11
5:55 pm-12:15 pm
Nonstop10h 20m
London Heathrow
Thu 5/21
6:30 am-11:45 am
1 stop13h 15m
$850
Showing 1-10 of 60 resultsSorted by cheapest first
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.
LAX-LGW
LAX-STN
LAX-LHR
SFO-LHR
SFO-LGW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from California to the United Kingdom
USCA-GB0
LAX-LGW
LAX-STN
LAX-LHR
SFO-LHR
What is the cheapest month to book a flight from California to United Kingdom?
Currently, October is the cheapest month in which you can book a flight from California to United Kingdom (average of $222). Flying from California to United Kingdom in June is currently the most expensive (average of $560). 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 April 2, 2026.
One of the essential ways to save on airfare from California to United Kingdom is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 18% on airfare.
What is the cheapest day to fly from California to United Kingdom?
Use this chart to determine the cheapest time to fly round-trip from California to United Kingdom. Price data was last updated on March 28, 2026.
Travelers seeking maximum savings on their California to United Kingdom flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from California to United Kingdom
Explore weekly flight availability from California to United Kingdom. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 2, 2026.
The most flights from USCA to GB0 are scheduled on a Monday (50 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (46 on average).
Related info for your journey
Find useful and relevant information for your journey from California to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 California to United Kingdom
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to United Kingdom by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from California to United Kingdom by cabin class
Find flights from California to United Kingdom, based on your preferred cabin class, be it economy, premium economy, business, or first class.
California and United Kingdom flights
Browse other California and United Kingdom flight options. Last updated on April 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from United Kingdom
Find the right flight back to California after your stay in United Kingdom
California to United Kingdom flights
Consider these flights traveling from California to United Kingdom.
Fly to United Kingdom regions
Consider these flights traveling to United Kingdom regions.
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 April 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$151 | Average$1,014 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$291 | Average$869 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$336 | Average$792 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$349 | Average$699 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$373 | Average$540 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$410 | Average$913 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$454 | Average$749 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$474 | Average$894 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$484 | Average$990 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$485 | Average$718 | FlexibilityNo cancel fee | On-time76% |