$389+ Cheap flights from Pasadena, CA to London (LON)
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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
Aug 20 — Aug 271
Round-trip
1 adult, Economy
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Find cheap flights from Pasadena to London with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Pasadena to London are usually found in September or October, booked 38 days in advance, depart on a Wednesday or Tuesday and return on a Thursday
Cheap flight deals from Pasadena to London
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Best
Last-minute
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Cheapest flights from Pasadena to LondonExplore the most affordable flight options available from Pasadena to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 21, 2026.
Explore the most affordable flight options available from Pasadena to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 21, 2026.
This deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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.
Sun 11/297:30 pm
LAX
- LHR
1 stop15h 00m
Scandinavian Airlines
Mon 12/146:40 am
LHR
- LAX
1 stop18h 20m
Scandinavian Airlines
Deal found 7/19![Scandinavian Airlines logo]()
$645
This deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 11/307:30 pm
LAX
- LHR
1 stop15h 00m
Scandinavian Airlines
Mon 12/146:40 am
LHR
- LAX
1 stop18h 20m
Scandinavian Airlines
Deal found 7/19![Scandinavian Airlines logo]()
$646
This Norse deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Wed 9/92:00 pm
LGW
- LAX
1 stop36h 48m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$667
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:20 pm
LAX
- LGW
1 stop26h 40m
Multiple Airlines
Wed 9/92:00 pm
LGW
- LAX
1 stop36h 48m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$668
This deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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.
Tue 12/18:50 pm
LAX
- LHR
Nonstop10h 35m
British Airways
Mon 12/1410:05 am
LHR
- LAX
Nonstop11h 20m
British Airways
Deal found 7/19![British Airways logo]()
$671
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 11/267:00 am
LAX
- LHR
1 stop20h 50m
Multiple Airlines
Sat 12/128:45 pm
LHR
- LAX
2 stops27h 55m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$680
This Norse deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:20 pm
LAX
- LGW
1 stop26h 40m
Multiple Airlines
Tue 9/12:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$681
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/139:09 pm
LAX
- LGW
2 stops52h 51m
Multiple Airlines
Fri 8/282:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$682
This deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 11/186:00 pm
LAX
- LHR
Nonstop10h 30m
British Airways
Sun 11/2210:05 am
LHR
- LAX
Nonstop11h 20m
British Airways
Deal found 7/20![British Airways logo]()
$683
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/1811:20 pm
LAX
- LGW
1 stop26h 40m
Multiple Airlines
Fri 9/112:00 pm
LGW
- LAX
1 stop36h 48m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$683
This deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 12/36:00 pm
LAX
- LHR
Nonstop10h 30m
British Airways
Tue 12/1510:05 am
LHR
- LAX
Nonstop11h 20m
British Airways
Deal found 7/19![British Airways logo]()
$685
This deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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.
Sat 11/288:50 pm
LAX
- LHR
Nonstop10h 35m
British Airways
Fri 12/1810:05 am
LHR
- LAX
Nonstop11h 20m
British Airways
Deal found 7/19![British Airways logo]()
$686
Best flights from Pasadena to LondonDiscover carefully curated flight deals from Pasadena to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 21, 2026.
Discover carefully curated flight deals from Pasadena to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 21, 2026.
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 11/306:55 pm
LAX
- LHR
Nonstop10h 35m
United Airlines
Wed 12/212:05 pm
LHR
- LAX
1 stop36h 30m
United Airlines
Deal found 7/15![United Airlines logo]()
$727
This Mytrip deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 10/117:30 am
LAX
- LTN
2 stops31h 25m
Multiple Airlines
Fri 10/166:20 am
LTN
- LAX
3 stops23h 45m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$808
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/44:45 pm
LAX
- LGW
2 stops19h 40m
TAP AIR PORTUGAL
Sat 8/224:30 pm
LGW
- LAX
1 stop29h 00m
TAP AIR PORTUGAL
Deal found 7/20![TAP AIR PORTUGAL logo]()
$822
This Turkish Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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.
Sun 9/278:10 pm
LAX
- STN
1 stop36h 30m
Turkish Airlines
Tue 10/66:55 am
STN
- LAX
1 stop36h 45m
Turkish Airlines
Deal found 7/17![Turkish Airlines logo]()
$912
This Virgin Atlantic deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/51:50 pm
LAX
- LCY
1 stop18h 50m
Virgin Atlantic
Mon 10/127:00 pm
LCY
- LAX
1 stop24h 50m
Virgin Atlantic
Deal found 7/20![Virgin Atlantic logo]()
$917
This Scandinavian Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 9/258:45 am
LAX
- LHR
2 stops20h 50m
Scandinavian Airlines
Fri 10/27:05 am
LHR
- LAX
2 stops23h 05m
Scandinavian Airlines
Deal found 7/17![Scandinavian Airlines logo]()
$960
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 9/311:15 pm
LAX
- LHR
Nonstop10h 20m
Delta
Wed 9/96:30 am
LHR
- LAX
1 stop13h 20m
Delta
Deal found 7/15![Delta logo]()
$975
This British Airways deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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.
Tue 9/83:50 pm
LAX
- LHR
Nonstop10h 25m
British Airways
Mon 9/1410:30 am
LHR
- LAX
Nonstop11h 20m
British Airways
Deal found 7/16![British Airways logo]()
$1,004
This ITA Airways deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 9/143:15 pm
LAX
- LCY
2 stops21h 50m
ITA Airways
Tue 9/227:25 pm
LCY
- LAX
2 stops25h 50m
ITA Airways
Deal found 7/19![ITA Airways logo]()
$1,059
This JetBlue deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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.
Sun 7/269:59 am
LAX
- LGW
1 stop15h 36m
JetBlue
Fri 7/3112:20 pm
LGW
- LAX
1 stop19h 19m
JetBlue
Deal found 7/16![JetBlue logo]()
$1,394
This LEVEL deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/108:55 pm
LAX
- LGW
1 stop29h 20m
LEVEL
Mon 8/176:50 am
LGW
- LAX
1 stop20h 10m
LEVEL
Deal found 7/17![LEVEL logo]()
$1,421
This Norse deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:20 pm
LAX
- LGW
1 stop26h 40m
Multiple Airlines
Sun 9/132:00 pm
LGW
- LAX
1 stop36h 48m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$842
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 11/116:55 pm
LAX
- LHR
Nonstop10h 35m
United Airlines
Tue 11/179:00 am
LHR
- LAX
1 stop15h 35m
United Airlines
Deal found 7/19![United Airlines logo]()
$853
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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.
Sun 8/234:40 pm
LAX
- LGW
2 stops19h 45m
TAP AIR PORTUGAL
Mon 9/79:15 pm
LGW
- LAX
2 stops25h 30m
TAP AIR PORTUGAL
Deal found 7/19![TAP AIR PORTUGAL logo]()
$903
This Turkish Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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.
Sun 11/86:30 pm
LAX
- STN
1 stop37h 50m
Turkish Airlines
Sun 11/1510:55 am
STN
- LAX
1 stop37h 40m
Turkish Airlines
Deal found 7/20![Turkish Airlines logo]()
$923
This Virgin Atlantic deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 10/79:32 am
LAX
- LCY
2 stops15h 58m
Virgin Atlantic
Tue 10/139:20 am
LCY
- LAX
2 stops22h 27m
Virgin Atlantic
Deal found 7/16![Virgin Atlantic logo]()
$933
This Mytrip deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/198:10 pm
LAX
- LTN
1 stop17h 05m
Multiple Airlines
Mon 8/2412:25 pm
LTN
- LAX
1 stop14h 00m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$849
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 9/148:35 pm
LAX
- LHR
Nonstop10h 25m
Delta
Sun 9/206:30 am
LHR
- LAX
1 stop13h 20m
Delta
Deal found 7/19![Delta logo]()
$977
This Turkish Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/291:25 pm
LAX
- STN
1 stop19h 25m
Turkish Airlines
Sat 10/1010:50 am
STN
- LAX
1 stop32h 50m
Turkish Airlines
Deal found 7/20![Turkish Airlines logo]()
$923
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:30 pm
LAX
- LHR
1 stop24h 00m
United Airlines
Thu 10/86:55 am
LHR
- LAX
1 stop16h 20m
United Airlines
Deal found 7/18![United Airlines logo]()
$930
This Mytrip deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/56:45 am
LAX
- LTN
3 stops32h 05m
Multiple Airlines
Mon 10/125:40 am
LTN
- LAX
2 stops34h 40m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$864
This Virgin Atlantic deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/182:00 pm
LAX
- LGW
2 stops18h 00m
Virgin Atlantic
Tue 8/2510:35 am
LGW
- LAX
2 stops21h 18m
Virgin Atlantic
Deal found 7/15![Virgin Atlantic logo]()
$951
This ITA Airways deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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.
Wed 9/93:15 pm
LAX
- LCY
2 stops33h 10m
ITA Airways
Wed 9/161:45 pm
LCY
- LAX
2 stops31h 30m
ITA Airways
Deal found 7/19![ITA Airways logo]()
$1,059
This Turkish Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 11/37:30 pm
LAX
- STN
1 stop30h 25m
Turkish Airlines
Wed 12/210:55 am
STN
- LAX
1 stop37h 40m
Turkish Airlines
Deal found 7/17![Turkish Airlines logo]()
$937
This Virgin Atlantic deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/181:50 pm
LAX
- LCY
1 stop20h 40m
Virgin Atlantic
Thu 8/277:45 am
LCY
- LAX
1 stop15h 00m
Virgin Atlantic
Deal found 7/19![Virgin Atlantic logo]()
$952
This Mytrip deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/1211:30 am
LAX
- LTN
3 stops20h 15m
Multiple Airlines
Mon 10/195:40 am
LTN
- LAX
2 stops34h 40m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$877
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/711:15 pm
LAX
- LHR
Nonstop10h 20m
Delta
Wed 8/196:30 am
LHR
- LAX
1 stop13h 20m
Delta
Deal found 7/19![Delta logo]()
$1,097
This ITA Airways deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/243:15 pm
LAX
- LCY
2 stops37h 55m
ITA Airways
Mon 10/56:45 am
LCY
- LAX
2 stops38h 30m
ITA Airways
Deal found 7/18![ITA Airways logo]()
$1,113
This Turkish Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 9/188:10 pm
LAX
- STN
1 stop18h 00m
Turkish Airlines
Sun 10/45:35 pm
STN
- LAX
1 stop32h 40m
Turkish Airlines
Deal found 7/18![Turkish Airlines logo]()
$963
This Mytrip deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 9/65:30 pm
LAX
- LTN
2 stops21h 10m
Multiple Airlines
Fri 9/116:20 am
LTN
- LAX
3 stops23h 45m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$880
Last-minute flights from Pasadena to LondonDiscover last-minute flight deals from Pasadena to London. Data last updated July 21, 2026 and is based on user searches.
Discover last-minute flight deals from Pasadena to London. Data last updated July 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/411:00 pm
LAX
- LGW
2 stops27h 00m
Multiple Airlines
Fri 8/282:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$699
This Mytrip deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/108:15 am
LAX
- LTN
2 stops23h 00m
Multiple Airlines
Wed 8/266:15 am
LTN
- LAX
3 stops22h 38m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$741
This Norse deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Wed 9/92:00 pm
LGW
- LAX
1 stop36h 48m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$667
This Norse deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Fri 8/282:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$697
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/139:09 pm
LAX
- LGW
2 stops52h 51m
Multiple Airlines
Fri 8/282:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$682
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/139:09 pm
LAX
- LGW
2 stops52h 51m
Multiple Airlines
Thu 8/272:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$703
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/146:30 am
LAX
- LGW
2 stops43h 30m
Multiple Airlines
Fri 9/42:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$695
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/1811:20 pm
LAX
- LGW
1 stop26h 40m
Multiple Airlines
Fri 9/112:00 pm
LGW
- LAX
1 stop36h 48m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$683
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/187:35 pm
LAX
- LHR
1 stop14h 15m
Multiple Airlines
Mon 9/1412:00 pm
LHR
- LAX
2 stops36h 05m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$740
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:20 pm
LAX
- LGW
1 stop26h 40m
Multiple Airlines
Wed 9/92:00 pm
LGW
- LAX
1 stop36h 48m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$668
This Norse deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:20 pm
LAX
- LGW
1 stop26h 40m
Multiple Airlines
Tue 9/12:00 pm
LGW
- LAX
1 stop36h 12m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$681
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/237:35 pm
LAX
- LHR
1 stop14h 15m
Multiple Airlines
Thu 10/89:10 pm
LHR
- LAX
2 stops26h 55m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$728
One-way flights from Pasadena to LondonSearch for one-way flight options from Pasadena to London. Find affordable one-way fares based on user searches. Data last updated July 21, 2026.
Search for one-way flight options from Pasadena to London. Find affordable one-way fares based on user searches. Data last updated July 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 9/187:50 pm
LAX
- LHR
1 stop29h 20m
LEVEL
Deal found 7/19![LEVEL logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 7/2711:00 pm
LAX
- LGW
1 stop27h 00m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/229:09 pm
LAX
- LHR
2 stops39h 11m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 7/264:40 pm
LAX
- LTN
2 stops31h 50m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$390
This oojo deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:15 pm
LAX
- LCY
2 stops33h 10m
ITA Airways
Deal found 7/17![ITA Airways logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/246:30 am
LAX
- LGW
2 stops21h 15m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 9/204:40 pm
LAX
- STN
3 stops30h 40m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$390
This Trip.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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.
Sat 9/56:30 am
LAX
- LHR
2 stops45h 25m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$391
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 10/151:50 pm
LAX
- LCY
1 stop18h 50m
Delta
Deal found 7/15![Delta logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/112:07 pm
LAX
- LGW
2 stops37h 53m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/175:30 pm
LAX
- STN
2 stops22h 50m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/2610:07 am
LAX
- LHR
2 stops17h 48m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$392
Find flight deals from Pasadena to London
Keep the following information in mind while searching for Pasadena to London flight deals. Data was last updated July 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $645 |
One-way from | $389 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $1,013 |
Cheapflights Fare Finder
Customize your flight search to find flights from Pasadena to London 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 July 21, 2026.
Use the filters below to find and compare flights from Pasadena to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Mon 11/30
6:55 pm-1:30 pm
Nonstop10h 35m
London Heathrow
Wed 12/2
12:05 pm-4:35 pm
1 stop36h 30m
$727
Los AngelesLondon
LAX - LTN
LAXLTN
Los Angeles
Sun 10/11
7:30 am-10:55 pm
2 stops31h 25m
London Luton
Fri 10/16
6:20 am-10:05 pm
3 stops23h 45m
$808
Los AngelesLondon
LAX - LGW
LAXLGW
Los Angeles
Tue 8/4
4:45 pm-8:25 pm
2 stops19h 40m
London Gatwick
Sat 8/22
4:30 pm-1:30 pm
1 stop29h 00m
$822
Los AngelesLondon
LAX - LGW
LAXLGW
Los Angeles
Tue 9/8
11:20 pm-10:00 am
1 stop26h 40m
London Gatwick
Sun 9/13
2:00 pm-6:48 pm
1 stop36h 48m
$842
Los AngelesLondon
LAX - LTN
LAXLTN
Los Angeles
Wed 8/19
8:10 pm-9:15 pm
1 stop17h 05m
London Luton
Mon 8/24
12:25 pm-6:25 pm
1 stop14h 00m
$849
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Wed 11/11
6:55 pm-1:30 pm
Nonstop10h 35m
London Heathrow
Tue 11/17
9:00 am-4:35 pm
1 stop15h 35m
$853
Los AngelesLondon
LAX - LTN
LAXLTN
Los Angeles
Mon 10/5
6:45 am-10:50 pm
3 stops32h 05m
London Luton
Mon 10/12
5:40 am-8:20 am
2 stops34h 40m
$864
Los AngelesLondon
LAX - LTN
LAXLTN
Los Angeles
Mon 10/12
11:30 am-3:45 pm
3 stops20h 15m
London Luton
Mon 10/19
5:40 am-8:20 am
2 stops34h 40m
$877
Los AngelesLondon
LAX - LTN
LAXLTN
Los Angeles
Sun 9/6
5:30 pm-10:40 pm
2 stops21h 10m
London Luton
Fri 9/11
6:20 am-10:05 pm
3 stops23h 45m
$880
Los AngelesLondon
LAX - LGW
LAXLGW
Los Angeles
Sun 8/23
4:40 pm-8:25 pm
2 stops19h 45m
London Gatwick
Mon 9/7
9:15 pm-2:45 pm
2 stops25h 30m
$903
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Pasadena to London
Have a flexible travel schedule? Discover the best time to fly to London from Pasadena with our price prediction graph.
LAX-LHR
LAX-LGW
LAX-LTN
LAX-LCY
LAX-STN
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 Pasadena to London
P4S-LON
LAX-LHR
LAX-LGW
LAX-LTN
LAX-LCY
What is the cheapest time of day to fly from P4S to LON?
Find hourly flight availability from Pasadena to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 21, 2026.
It’s optimal to fly from Pasadena to London at noon. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight in the morning.
Weekly flight availability from Pasadena to London
Explore weekly flight availability from Pasadena to London. 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 July 21, 2026.
The most flights from P4S to LON are scheduled on a Friday (57 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (52 on average).
How much does it cost to fly round-trip from Pasadena to London?
What is the cheapest day to fly from Pasadena to London?
Use this chart to determine the cheapest time to fly round-trip from Pasadena to London. Price data was last updated on July 18, 2026.
Travelers seeking maximum savings on their Pasadena to London 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.
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. 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 London. Reviews last updated July 21, 2026.
Read reviews from past customers who have flown Delta,Virgin Atlantic, andUnited Airlines from Pasadena to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Norse Atlantic UK
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Pasadena to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsIlford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow
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Other flights to London
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 21, 2026.
Pasadena and London flights
Browse other Pasadena and London flight options. Last updated on July 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 10 airlines flying from Pasadena to London
Discover the top 10 airlines that operate flights from Pasadena to London. 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 July 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$240 | Average$1,002 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$291 | Average$926 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$359 | Average$688 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$379 | Average$817 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$429 | Average$561 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$474 | Average$691 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$863 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$520 | Average$880 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$532 | Average$883 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$549 | Average$1,399 | FlexibilityNo cancel fee | On-time75% |