$208+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
Jul 28 — Aug 41
Round-trip
1 adult, Economy
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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 June 28, 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 June 28, 2026.
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 6/265:59 pm
ONT
- LHR
1 stop13h 36m
Virgin Atlantic
Sat 7/1110:55 am
LHR
- ONT
1 stop19h 28m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$425
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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.
Thu 12/1712:00 pm
ONT
- LHR
1 stop15h 40m
Virgin Atlantic
Tue 12/2212:20 pm
LHR
- ONT
1 stop18h 23m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$429
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:30 pm
LAX
- LHR
2 stops30h 05m
Scandinavian Airlines
Fri 11/66:40 am
LHR
- LAX
1 stop18h 20m
Scandinavian Airlines
Deal found 6/26![Scandinavian Airlines logo]()
$689
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:30 am
LAX
- LGW
3 stops29h 25m
Multiple Airlines
Wed 8/198:50 pm
LGW
- LAX
3 stops33h 15m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$691
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.
Sat 7/1811:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Tue 9/12:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$692
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:30 am
LAX
- LGW
3 stops20h 30m
Multiple Airlines
Wed 8/2610:00 pm
LGW
- LAX
3 stops32h 05m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$693
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:30 am
LAX
- STN
3 stops28h 00m
Multiple Airlines
Wed 9/239:30 pm
STN
- LAX
3 stops32h 35m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$696
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:10 pm
LAX
- LHR
1 stop14h 30m
Scandinavian Airlines
Tue 12/110:20 am
LHR
- LAX
1 stop14h 40m
Scandinavian Airlines
Deal found 6/27![Scandinavian Airlines logo]()
$698
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.
Sat 7/1811:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Wed 9/22:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$698
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:30 am
LAX
- STN
3 stops20h 05m
Multiple Airlines
Thu 9/246:00 am
STN
- LAX
3 stops24h 05m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$700
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1811:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Fri 9/252:00 pm
LGW
- LAX
1 stop36h 48m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$704
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.
Tue 7/2111:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Tue 9/12:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$706
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 June 28, 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 June 28, 2026.
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:45 pm
SFO
- LHR
1 stop32h 35m
Scandinavian Airlines
Sat 8/296:40 am
LHR
- SFO
1 stop16h 00m
Scandinavian Airlines
Deal found 6/27![Scandinavian Airlines logo]()
$846
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:10 pm
LAX
- STN
1 stop18h 00m
Turkish Airlines
Wed 9/2310:50 am
STN
- LAX
1 stop32h 50m
Turkish Airlines
Deal found 6/26![Turkish Airlines logo]()
$859
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.
Thu 8/131:45 pm
SFO
- LCY
1 stop19h 35m
Virgin Atlantic
Thu 8/2710:00 am
LCY
- SFO
2 stops19h 02m
Virgin Atlantic
Deal found 6/24![Virgin Atlantic logo]()
$915
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.
Mon 8/311:15 pm
LAX
- LHR
Nonstop10h 20m
Delta
Wed 8/198:40 am
LHR
- LAX
1 stop14h 05m
Delta
Deal found 6/27![Delta logo]()
$923
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:50 pm
SFO
- LHR
Nonstop10h 20m
United Airlines
Wed 8/196:55 am
LHR
- SFO
1 stop20h 05m
United Airlines
Deal found 6/28![United Airlines logo]()
$923
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.
Wed 7/228:00 am
LAX
- LGW
1 stop17h 35m
JetBlue
Sat 8/2912:20 pm
LGW
- LAX
1 stop16h 59m
JetBlue
Deal found 6/27![JetBlue logo]()
$929
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.
Mon 8/103:15 pm
SFO
- LCY
2 stops19h 35m
ITA Airways
Thu 8/201:45 pm
LCY
- SFO
2 stops31h 30m
ITA Airways
Deal found 6/27![ITA Airways logo]()
$937
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:35 pm
SFO
- LGW
1 stop30h 10m
TAP AIR PORTUGAL
Sun 9/279:15 pm
LGW
- SFO
2 stops48h 20m
TAP AIR PORTUGAL
Deal found 6/25![TAP AIR PORTUGAL logo]()
$942
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/134:50 pm
SFO
- LHR
Nonstop10h 20m
Multiple Airlines
Tue 8/185:15 pm
LHR
- SFO
1 stop31h 00m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$973
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:06 pm
ONT
- LHR
1 stop12h 54m
KLM
Thu 9/1010:55 am
LHR
- ONT
1 stop13h 40m
KLM
Deal found 6/24![KLM logo]()
$995
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2512:00 pm
ONT
- LHR
1 stop16h 20m
Alaska Airlines
Fri 1/82:45 pm
LHR
- ONT
1 stop15h 54m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$1,052
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:35 pm
SFO
- LHR
2 stops17h 55m
SWISS
Wed 7/158:05 pm
LHR
- SFO
1 stop28h 10m
SWISS
Deal found 6/26![SWISS logo]()
$1,053
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:45 pm
SAN
- LHR
Nonstop10h 45m
British Airways
Tue 9/222:30 pm
LHR
- SAN
Nonstop11h 20m
British Airways
Deal found 6/25![British Airways logo]()
$1,070
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 7/194:30 pm
SFO
- LGW
1 stop14h 10m
Condor
Mon 7/207:40 pm
LGW
- SFO
2 stops32h 01m
Condor
Deal found 6/26![Condor logo]()
$1,166
This Air Europa 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 Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:15 am
LAX
- LGW
2 stops21h 10m
Air Europa
Sun 9/1310:00 am
LGW
- LAX
2 stops41h 51m
Air Europa
Deal found 6/24![Air Europa logo]()
$1,579
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:45 pm
SFO
- STN
1 stop37h 55m
Turkish Airlines
Wed 9/910:50 am
STN
- SFO
1 stop32h 00m
Turkish Airlines
Deal found 6/27![Turkish Airlines logo]()
$876
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:50 pm
SFO
- LHR
Nonstop10h 20m
United Airlines
Tue 8/1812:10 pm
LHR
- SFO
1 stop36h 05m
United Airlines
Deal found 6/28![United Airlines logo]()
$923
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.
Mon 8/1711:15 pm
LAX
- LHR
Nonstop10h 20m
Delta
Tue 9/18:40 am
LHR
- LAX
1 stop14h 05m
Delta
Deal found 6/24![Delta logo]()
$924
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:20 pm
SFO
- LGW
2 stops32h 00m
TAP AIR PORTUGAL
Mon 9/79:15 pm
LGW
- SFO
2 stops49h 20m
TAP AIR PORTUGAL
Deal found 6/28![TAP AIR PORTUGAL logo]()
$949
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.
Sun 9/138:20 am
LAX
- LCY
2 stops16h 30m
Virgin Atlantic
Wed 9/308:25 am
LCY
- LAX
1 stop14h 20m
Virgin Atlantic
Deal found 6/25![Virgin Atlantic logo]()
$953
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:45 pm
SFO
- STN
1 stop19h 25m
Turkish Airlines
Wed 10/2110:50 am
STN
- SFO
1 stop32h 00m
Turkish Airlines
Deal found 6/26![Turkish Airlines logo]()
$876
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.
Tue 7/218:00 am
LAX
- LHR
1 stop14h 30m
JetBlue
Tue 8/258:15 am
LHR
- LAX
1 stop18h 04m
JetBlue
Deal found 6/27![JetBlue logo]()
$967
This Icelandair 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:55 am
ONT
- LHR
2 stops17h 00m
Multiple Airlines
Wed 9/309:25 pm
LHR
- ONT
2 stops33h 10m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$996
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.
Sun 9/207:00 am
SAN
- LHR
2 stops26h 40m
Scandinavian Airlines
Mon 9/286:40 am
LHR
- SAN
3 stops25h 02m
Scandinavian Airlines
Deal found 6/28![Scandinavian Airlines logo]()
$1,011
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.
Sun 8/2311:15 pm
LAX
- LHR
Nonstop10h 20m
Delta
Tue 9/158:40 am
LHR
- LAX
1 stop14h 05m
Delta
Deal found 6/24![Delta logo]()
$924
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:55 pm
SFO
- LHR
Nonstop10h 30m
United Airlines
Mon 9/214:15 pm
LHR
- SFO
Nonstop11h 00m
United Airlines
Deal found 6/24![United Airlines logo]()
$936
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.
Tue 9/226:45 pm
SFO
- STN
1 stop37h 55m
Turkish Airlines
Tue 10/65:35 pm
STN
- SFO
1 stop31h 05m
Turkish Airlines
Deal found 6/28![Turkish Airlines logo]()
$876
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.
Mon 8/176:25 am
LAX
- LCY
2 stops16h 50m
Virgin Atlantic
Wed 8/267:45 am
LCY
- LAX
2 stops21h 18m
Virgin Atlantic
Deal found 6/24![Virgin Atlantic logo]()
$964
This ITA Airways 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/313:15 pm
SFO
- LCY
2 stops21h 50m
ITA Airways
Wed 9/91:45 pm
LCY
- SFO
2 stops31h 30m
ITA Airways
Deal found 6/24![ITA Airways logo]()
$1,085
This Icelandair 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:55 am
ONT
- LHR
2 stops17h 00m
Multiple Airlines
Tue 9/229:25 pm
LHR
- ONT
2 stops32h 35m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$1,004
Last-minute flights from California to United KingdomDiscover last-minute flight deals from California to United Kingdom. Data last updated June 28, 2026 and is based on user searches.
Discover last-minute flight deals from California to United Kingdom. Data last updated June 28, 2026 and is based on user searches.
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 6/265:59 pm
ONT
- LHR
1 stop13h 36m
Virgin Atlantic
Sat 7/1110:55 am
LHR
- ONT
1 stop19h 28m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$425
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.
Sat 7/1811:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Tue 9/12:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$692
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.
Sat 7/1811:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Wed 9/22:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$698
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1811:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Fri 9/252:00 pm
LGW
- LAX
1 stop36h 48m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$704
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.
Sat 7/1811:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Mon 8/312:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$707
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1910:12 pm
LAX
- LHR
1 stop24h 18m
Multiple Airlines
Wed 8/2610:20 am
LHR
- LAX
1 stop14h 50m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$748
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.
Mon 7/2011:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Wed 9/22:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$717
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Fri 9/252:00 pm
LGW
- LAX
1 stop36h 48m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$721
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Mon 9/282:00 pm
LGW
- LAX
1 stop36h 48m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$728
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.
Tue 7/2111:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Tue 9/12:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$706
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.
Tue 7/2111:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Wed 9/22:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$712
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:05 pm
LAX
- STN
2 stops24h 15m
Multiple Airlines
Tue 8/2510:00 pm
STN
- LAX
3 stops29h 54m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$753
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 June 28, 2026.
Search for one-way flight options from California to United Kingdom. Find affordable one-way fares based on user searches. Data last updated June 28, 2026.
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:00 pm
ONT
- LHR
1 stop16h 20m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$208
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:14 pm
ONT
- LHR
1 stop15h 51m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$209
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:13 am
ONT
- LHR
1 stop19h 52m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$258
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.
Wed 11/42:59 pm
ONT
- LHR
1 stop13h 01m
British Airways
Deal found 6/25![British Airways logo]()
$320
This Trip.com deal was found by Cheapflights users on 6/23. 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.
Tue 9/223:14 pm
ONT
- LHR
1 stop15h 51m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$321
This Cheapflightsfares deal was found by Cheapflights users on 6/23. 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.
Mon 10/51:31 pm
ONT
- LHR
1 stop12h 59m
British Airways
Deal found 6/23![British Airways logo]()
$322
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 10/276:00 am
ONT
- LHR
2 stops20h 20m
Air Canada
Deal found 6/25![Air Canada logo]()
$324
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.
Wed 10/215:00 am
ONT
- LHR
2 stops17h 30m
Air Canada
Deal found 6/25![Air Canada logo]()
$327
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am
ONT
- LHR
1 stop17h 50m
Delta
Deal found 6/25![Delta logo]()
$329
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:56 pm
ONT
- LHR
1 stop34h 24m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$330
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:22 pm
ONT
- LHR
1 stop31h 58m
British Airways
Deal found 6/26![British Airways logo]()
$333
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.
Sat 10/244:03 pm
ONT
- LHR
1 stop32h 22m
United Airlines
Deal found 6/26![United Airlines logo]()
$335
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 June 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $429 (Virgin Atlantic) |
One-way from | $208 (Priceline) |
Popular in | June |
Cheapest in | September |
Average price | $1,131 |
Good round-trip deal | $679 or less |
Good one-way deal | $287 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 June 28, 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 - LHR
SFOLHR
San Francisco
Fri 8/21
4:45 pm-9:20 am
1 stop32h 35m
London Heathrow
Sat 8/29
6:40 am-2:40 pm
1 stop16h 00m
$846
Los AngelesLondon
LAX - STN
LAXSTN
Los Angeles
Wed 9/16
8:10 pm-10:10 pm
1 stop18h 00m
London Stansted
Wed 9/23
10:50 am-11:40 am
1 stop32h 50m
$859
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Wed 8/12
6:45 pm-4:40 pm
1 stop37h 55m
London Stansted
Wed 9/9
10:50 am-10:50 am
1 stop32h 00m
$876
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Wed 9/16
6:45 pm-10:10 pm
1 stop19h 25m
London Stansted
Wed 10/21
10:50 am-10:50 am
1 stop32h 00m
$876
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Tue 9/22
6:45 pm-4:40 pm
1 stop37h 55m
London Stansted
Tue 10/6
5:35 pm-4:40 pm
1 stop31h 05m
$876
San FranciscoLondon
SFO - LCY
SFOLCY
San Francisco
Thu 8/13
1:45 pm-5:20 pm
1 stop19h 35m
London City
Thu 8/27
10:00 am-9:02 pm
2 stops19h 02m
$915
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Mon 8/3
11:15 pm-5:35 pm
Nonstop10h 20m
London Heathrow
Wed 8/19
8:40 am-2:45 pm
1 stop14h 05m
$923
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Wed 8/12
7:50 pm-2:10 pm
Nonstop10h 20m
London Heathrow
Wed 8/19
6:55 am-7:00 pm
1 stop20h 05m
$923
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Tue 8/4
4:50 pm-11:10 am
Nonstop10h 20m
London Heathrow
Tue 8/18
12:10 pm-4:15 pm
1 stop36h 05m
$923
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Mon 8/17
11:15 pm-5:35 pm
Nonstop10h 20m
London Heathrow
Tue 9/1
8:40 am-2:45 pm
1 stop14h 05m
$924
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.
SFO-LHR
LAX-STN
SFO-LCY
LAX-LHR
LAX-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
SFO-LHR
LAX-STN
SFO-LCY
LAX-LHR
What is the cheapest month to book a flight from California to United Kingdom?
Currently, January is the cheapest month in which you can book a flight from California to United Kingdom (average of $711). Flying from California to United Kingdom in June is currently the most expensive (average of $1,314). 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 June 28, 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 at noon could potentially save you up to 19% on airfare.
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 June 28, 2026.
The most flights from USCA to GB0 are scheduled on a Monday (54 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (33 on average).
How far ahead should I book a flight from California to United Kingdom?
Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from California to United Kingdom. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 June 27, 2026.
Travelers seeking maximum savings on their California to United Kingdom flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 June 28, 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 June 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$151 | Average$1,049 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$291 | Average$1,134 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$333 | Average$685 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$400 | Average$777 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$426 | Average$556 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$475 | Average$955 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$480 | Average$902 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$495 | Average$1,058 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$498 | Average$793 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$513 | Average$975 | FlexibilityNo cancel fee | On-timeN/A |