$331+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
Mar 4 — Mar 111
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 31 days in advance, depart on a Wednesday or Tuesday and return on a Friday
Cheap flight deals from Pasadena to London
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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 February 2, 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 February 2, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:30 pm
LAX
- LHR
1 stop14h 20m
Lufthansa
Tue 3/107:40 am
LHR
- LAX
1 stop15h 35m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$595
This Gotogate deal was found by Cheapflights users on 1/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:45 pm
LAX
- LGW
1 stop33h 05m
TAP AIR PORTUGAL
Fri 3/139:25 pm
LGW
- LAX
2 stops25h 35m
TAP AIR PORTUGAL
Deal found 1/31![TAP AIR PORTUGAL logo]()
$595
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Sun 2/227:30 pm
LAX
- LHR
1 stop14h 10m
Scandinavian Airlines
Mon 3/29:05 pm
LHR
- LAX
2 stops27h 55m
Scandinavian Airlines
Deal found 1/30![Scandinavian Airlines logo]()
$596
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 3/108:10 pm
LAX
- LGW
1 stop14h 40m
SWISS
Tue 3/176:40 pm
LGW
- LAX
1 stop29h 55m
SWISS
Deal found 1/30![SWISS logo]()
$596
This Cheapflightsfares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:40 pm
LAX
- LHR
1 stop21h 20m
TAP AIR PORTUGAL
Sat 5/237:50 pm
LHR
- LAX
1 stop26h 05m
TAP AIR PORTUGAL
Deal found 2/2![TAP AIR PORTUGAL logo]()
$597
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:10 pm
LAX
- LHR
1 stop14h 40m
Multiple Airlines
Fri 3/137:40 am
LHR
- LAX
1 stop15h 35m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$598
This Trip.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/254:40 pm
LAX
- LGW
1 stop33h 05m
TAP AIR PORTUGAL
Sat 5/169:15 pm
LGW
- LAX
2 stops24h 40m
TAP AIR PORTUGAL
Deal found 1/30![TAP AIR PORTUGAL logo]()
$598
This Booking.com deal was found by Cheapflights users on 1/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:10 pm
LAX
- LHR
1 stop33h 40m
Multiple Airlines
Fri 3/136:00 am
LHR
- LAX
1 stop18h 35m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$599
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:10 pm
LAX
- LHR
1 stop14h 40m
SWISS
Tue 3/109:00 am
LHR
- LAX
1 stop15h 35m
SWISS
Deal found 1/31![SWISS logo]()
$600
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:10 pm
LAX
- LGW
1 stop14h 40m
SWISS
Sun 3/86:40 pm
LGW
- LAX
1 stop29h 55m
SWISS
Deal found 1/31![SWISS logo]()
$600
This FlightHub deal was found by Cheapflights users on 2/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:30 pm
LAX
- LHR
1 stop14h 10m
Scandinavian Airlines
Wed 3/49:05 pm
LHR
- LAX
2 stops27h 55m
Scandinavian Airlines
Deal found 2/1![Scandinavian Airlines logo]()
$601
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:30 pm
LAX
- LGW
Nonstop10h 25m
Norse Atlantic UK
Wed 8/2610:55 am
LGW
- LAX
Nonstop11h 15m
Norse Atlantic UK
Deal found 1/31![Norse Atlantic UK logo]()
$601
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 February 2, 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 February 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:10 pm
LAX
- STN
1 stop18h 10m
Multiple Airlines
Fri 5/227:05 am
STN
- LAX
2 stops18h 05m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$618
This SWISS deal was found by Cheapflights users on 2/1. 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.
Tue 3/37:10 pm
LAX
- LGW
1 stop14h 40m
SWISS
Thu 3/126:40 pm
LGW
- LAX
1 stop29h 55m
SWISS
Deal found 2/1![SWISS logo]()
$627
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:20 pm
LAX
- LHR
2 stops16h 50m
Delta
Mon 3/96:30 am
LHR
- LAX
1 stop13h 15m
Delta
Deal found 2/1![Delta logo]()
$630
This Finnair deal was found by Cheapflights users on 1/31. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:05 pm
LAX
- LHR
Nonstop10h 40m
Finnair
Wed 4/2210:20 am
LHR
- LAX
1 stop14h 50m
Finnair
Deal found 1/31![Finnair logo]()
$636
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/303:30 pm
LAX
- LHR
Nonstop10h 40m
United Airlines
Wed 4/88:40 am
LHR
- LAX
1 stop15h 50m
United Airlines
Deal found 2/1![United Airlines logo]()
$637
This Norse Atlantic Airways deal was found by Cheapflights users on 2/1. 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 Norse Atlantic Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:30 pm
LAX
- LGW
Nonstop10h 25m
Norse Atlantic UK
Thu 8/610:55 am
LGW
- LAX
Nonstop11h 15m
Norse Atlantic UK
Deal found 2/1![Norse Atlantic UK logo]()
$638
This KLM deal was found by Cheapflights users on 1/30. 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 3/105:35 pm
LAX
- LHR
Nonstop10h 20m
KLM
Sun 3/225:20 pm
LHR
- LAX
Nonstop11h 20m
KLM
Deal found 1/30![KLM logo]()
$649
This Virgin Atlantic deal was found by Cheapflights users on 2/1. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:45 pm
LAX
- LCY
1 stop20h 40m
Virgin Atlantic
Thu 3/127:45 am
LCY
- LAX
2 stops19h 43m
Virgin Atlantic
Deal found 2/1![Virgin Atlantic logo]()
$668
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:45 pm
LAX
- LGW
1 stop19h 50m
Turkish Airlines
Thu 3/55:05 pm
LGW
- LAX
1 stop26h 05m
Turkish Airlines
Deal found 2/1![Turkish Airlines logo]()
$725
This Mytrip deal was found by Cheapflights users on 2/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:15 pm
LAX
- STN
2 stops19h 45m
Multiple Airlines
Fri 4/249:25 pm
STN
- LAX
2 stops23h 50m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$622
This SWISS deal was found by Cheapflights users on 2/1. 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.
Thu 3/57:10 pm
LAX
- LGW
1 stop14h 40m
SWISS
Thu 3/126:40 pm
LGW
- LAX
1 stop29h 55m
SWISS
Deal found 2/1![SWISS logo]()
$627
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/13:30 pm
LAX
- LHR
Nonstop10h 40m
United Airlines
Wed 4/87:25 am
LHR
- LAX
1 stop15h 50m
United Airlines
Deal found 1/31![United Airlines logo]()
$637
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/101:15 pm
LAX
- LHR
1 stop14h 00m
Delta
Sun 3/228:00 pm
LHR
- LAX
1 stop20h 15m
Delta
Deal found 1/30![Delta logo]()
$664
This Virgin Atlantic deal was found by Cheapflights users on 2/1. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:45 pm
LAX
- LCY
1 stop19h 35m
Virgin Atlantic
Mon 3/910:00 am
LCY
- LAX
2 stops19h 45m
Virgin Atlantic
Deal found 2/1![Virgin Atlantic logo]()
$668
This KLM deal was found by Cheapflights users on 1/30. 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.
Wed 3/2511:30 pm
LAX
- LHR
Nonstop10h 20m
KLM
Fri 4/179:55 am
LHR
- LAX
Nonstop11h 15m
KLM
Deal found 1/30![KLM logo]()
$680
This Mytrip deal was found by Cheapflights users on 1/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:15 pm
LAX
- LTN
2 stops23h 45m
Multiple Airlines
Mon 4/206:05 pm
LTN
- LAX
2 stops27h 10m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:30 am
LAX
- LHR
1 stop21h 20m
United Airlines
Sun 3/153:20 pm
LHR
- LAX
Nonstop11h 25m
United Airlines
Deal found 2/1![United Airlines logo]()
$649
This Norse Atlantic Airways deal was found by Cheapflights users on 1/30. 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 Norse Atlantic Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/174:30 pm
LAX
- LGW
Nonstop10h 25m
Norse Atlantic UK
Fri 7/3110:55 am
LGW
- LAX
Nonstop11h 15m
Norse Atlantic UK
Deal found 1/30![Norse Atlantic UK logo]()
$723
This FlightHub deal was found by Cheapflights users on 2/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:10 pm
LAX
- STN
1 stop18h 00m
Turkish Airlines
Wed 4/86:15 am
STN
- LAX
1 stop20h 00m
Turkish Airlines
Deal found 2/1![Turkish Airlines logo]()
$731
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1411:55 pm
LAX
- LHR
1 stop23h 10m
Delta
Tue 3/1710:00 am
LHR
- LAX
2 stops19h 05m
Delta
Deal found 1/30![Delta logo]()
$665
This Virgin Atlantic deal was found by Cheapflights users on 2/1. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:45 pm
LAX
- LCY
1 stop21h 50m
Virgin Atlantic
Tue 3/108:40 am
LCY
- LAX
2 stops21h 05m
Virgin Atlantic
Deal found 2/1![Virgin Atlantic logo]()
$668
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:00 pm
LAX
- LHR
Nonstop10h 30m
United Airlines
Tue 3/103:20 pm
LHR
- LAX
Nonstop11h 25m
United Airlines
Deal found 2/1![United Airlines logo]()
$649
This FlightHub deal was found by Cheapflights users on 2/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/298:10 pm
LAX
- STN
1 stop18h 00m
Turkish Airlines
Tue 4/75:45 pm
STN
- LAX
1 stop25h 55m
Turkish Airlines
Deal found 2/1![Turkish Airlines logo]()
$731
This Virgin Atlantic deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:45 pm
LAX
- LCY
1 stop20h 40m
Virgin Atlantic
Mon 3/167:45 am
LCY
- LAX
2 stops22h 00m
Virgin Atlantic
Deal found 1/31![Virgin Atlantic logo]()
$668
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:45 pm
LAX
- LCY
1 stop15h 55m
Delta
Thu 4/309:20 am
LCY
- LAX
1 stop13h 25m
Delta
Deal found 1/31![Delta logo]()
$673
This Norse Atlantic Airways deal was found by Cheapflights users on 2/1. 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 Norse Atlantic Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/224:30 pm
LAX
- LGW
Nonstop10h 25m
Norse Atlantic UK
Sun 8/210:55 am
LGW
- LAX
Nonstop11h 15m
Norse Atlantic UK
Deal found 2/1![Norse Atlantic UK logo]()
$751
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:10 pm
LAX
- STN
1 stop18h 10m
Multiple Airlines
Sun 5/108:45 pm
STN
- LAX
2 stops28h 25m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$696
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:00 pm
LAX
- LHR
Nonstop10h 30m
United Airlines
Wed 3/253:20 pm
LHR
- LAX
Nonstop11h 25m
United Airlines
Deal found 1/31![United Airlines logo]()
$649
This Virgin Atlantic deal was found by Cheapflights users on 2/1. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:45 pm
LAX
- LCY
1 stop21h 50m
Virgin Atlantic
Thu 3/127:45 am
LCY
- LAX
2 stops19h 43m
Virgin Atlantic
Deal found 2/1![Virgin Atlantic logo]()
$668
This Turkish Airlines deal was found by Cheapflights users on 2/1. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:10 pm
LAX
- STN
1 stop18h 00m
Turkish Airlines
Thu 4/305:45 pm
STN
- LAX
1 stop25h 55m
Turkish Airlines
Deal found 2/1![Turkish Airlines logo]()
$747
Last-minute flights from Pasadena to LondonDiscover last-minute flight deals from Pasadena to London. Data last updated February 2, 2026 and is based on user searches.
Discover last-minute flight deals from Pasadena to London. Data last updated February 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 2/34:45 pm
LAX
- LHR
1 stop20h 50m
TAP AIR PORTUGAL
Thu 12/106:00 am
LHR
- LAX
1 stop17h 15m
TAP AIR PORTUGAL
Deal found 1/30![TAP AIR PORTUGAL logo]()
$597
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/34:45 pm
LAX
- LHR
1 stop21h 55m
TAP AIR PORTUGAL
Mon 2/96:30 pm
LHR
- LAX
1 stop28h 30m
TAP AIR PORTUGAL
Deal found 2/2![TAP AIR PORTUGAL logo]()
$602
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/34:45 pm
LAX
- LGW
1 stop33h 05m
TAP AIR PORTUGAL
Tue 2/109:20 pm
LGW
- LAX
2 stops49h 20m
TAP AIR PORTUGAL
Deal found 2/1![TAP AIR PORTUGAL logo]()
$604
This BusinessClass deal was found by Cheapflights users on 1/30. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/124:45 pm
LAX
- LHR
1 stop16h 45m
TAP AIR PORTUGAL
Tue 3/176:00 am
LHR
- LAX
1 stop17h 00m
TAP AIR PORTUGAL
Deal found 1/30![TAP AIR PORTUGAL logo]()
$595
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Sun 2/227:30 pm
LAX
- LHR
1 stop14h 10m
Scandinavian Airlines
Mon 3/29:05 pm
LHR
- LAX
2 stops27h 55m
Scandinavian Airlines
Deal found 1/30![Scandinavian Airlines logo]()
$596
This FlightHub deal was found by Cheapflights users on 1/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:30 pm
LAX
- LHR
2 stops17h 50m
Scandinavian Airlines
Wed 3/49:05 pm
LHR
- LAX
2 stops27h 55m
Scandinavian Airlines
Deal found 1/31![Scandinavian Airlines logo]()
$601
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:10 pm
LAX
- LHR
1 stop14h 40m
SWISS
Wed 3/49:00 am
LHR
- LAX
1 stop15h 35m
SWISS
Deal found 1/31![SWISS logo]()
$598
This FlightHub deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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.
Wed 2/257:30 pm
LAX
- LHR
1 stop18h 10m
Scandinavian Airlines
Wed 3/49:05 pm
LHR
- LAX
2 stops27h 55m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$603
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:10 pm
LAX
- LHR
1 stop14h 40m
SWISS
Tue 3/109:00 am
LHR
- LAX
1 stop15h 35m
SWISS
Deal found 1/31![SWISS logo]()
$600
This Mytrip deal was found by Cheapflights users on 1/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:35 am
LAX
- STN
3 stops25h 10m
Multiple Airlines
Wed 3/46:15 pm
STN
- LAX
2 stops26h 50m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$605
This Gotogate deal was found by Cheapflights users on 1/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:45 pm
LAX
- LGW
1 stop33h 05m
TAP AIR PORTUGAL
Fri 3/139:25 pm
LGW
- LAX
2 stops25h 35m
TAP AIR PORTUGAL
Deal found 1/31![TAP AIR PORTUGAL logo]()
$595
This Booking.com deal was found by Cheapflights users on 1/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:10 pm
LAX
- LHR
1 stop33h 40m
Multiple Airlines
Fri 3/136:00 am
LHR
- LAX
1 stop18h 35m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$599
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 February 2, 2026.
Search for one-way flight options from Pasadena to London. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
This Connections by easyJet deal was found by Cheapflights users on 2/1. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/251:00 am
LAX
- LTN
1 stop24h 25m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1310:45 pm
LAX
- LGW
2 stops47h 15m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/67:10 pm
LAX
- STN
3 stops29h 25m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:10 pm
LAX
- LTN
1 stop17h 05m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:18 am
LAX
- LHR
2 stops26h 12m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/65:30 pm
LAX
- LGW
2 stops31h 20m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:20 am
LAX
- STN
3 stops29h 25m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:10 pm
LAX
- LTN
1 stop17h 05m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:20 am
LAX
- LHR
2 stops25h 10m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:45 pm
LAX
- LGW
3 stops59h 35m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:13 am
LAX
- STN
3 stops29h 32m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$333
This Mytrip deal was found by Cheapflights users on 1/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/124:45 pm
LAX
- LTN
2 stops21h 25m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$334
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 February 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $595 (Cheapflightsfares) |
One-way from | $331 (Connections by easyJet) |
Popular in | December |
Cheapest in | September |
Average price | $654 |
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 February 2, 2026.
Use the filters below to find and compare flights from Pasadena to London that are best for you.
Fly from
Pasadena
Fly to
London
Route
Depart
Return
Price
Los AngelesLondon
LAX - STN
LAXSTN
Los Angeles
Tue 5/5
8:10 pm-10:20 pm
1 stop18h 10m
London Stansted
Fri 5/22
7:05 am-5:10 pm
2 stops18h 05m
$618
Los AngelesLondon
LAX - STN
LAXSTN
Los Angeles
Tue 4/14
3:15 pm-7:00 pm
2 stops19h 45m
London Stansted
Fri 4/24
9:25 pm-1:15 pm
2 stops23h 50m
$622
Los AngelesLondon
LAX - LGW
LAXLGW
Los Angeles
Tue 3/3
7:10 pm-5:50 pm
1 stop14h 40m
London Gatwick
Thu 3/12
6:40 pm-5:35 pm
1 stop29h 55m
$627
Los AngelesLondon
LAX - LGW
LAXLGW
Los Angeles
Thu 3/5
7:10 pm-5:50 pm
1 stop14h 40m
London Gatwick
Thu 3/12
6:40 pm-5:35 pm
1 stop29h 55m
$627
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Thu 3/5
7:20 pm-8:10 pm
2 stops16h 50m
London Heathrow
Mon 3/9
6:30 am-12:45 pm
1 stop13h 15m
$630
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Mon 4/6
6:05 pm-12:45 pm
Nonstop10h 40m
London Heathrow
Wed 4/22
10:20 am-5:10 pm
1 stop14h 50m
$636
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Mon 3/30
3:30 pm-10:10 am
Nonstop10h 40m
London Heathrow
Wed 4/8
8:40 am-4:30 pm
1 stop15h 50m
$637
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles
Wed 4/1
3:30 pm-10:10 am
Nonstop10h 40m
London Heathrow
Wed 4/8
7:25 am-3:15 pm
1 stop15h 50m
$637
Los AngelesLondon
LAX - LGW
LAXLGW
Los Angeles
Sat 7/25
4:30 pm-10:55 am
Nonstop10h 25m
London Gatwick
Thu 8/6
10:55 am-2:10 pm
Nonstop11h 15m
$638
Los AngelesLondon
LAX - LTN
LAXLTN
Los Angeles
Mon 4/13
3:15 pm-11:00 pm
2 stops23h 45m
London Luton
Mon 4/20
6:05 pm-1:15 pm
2 stops27h 10m
$645
Showing 1-10 of 60 results
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-LTN
LAX-LGW
LAX-STN
LAX-LHR
LAX-LCY
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-LTN
LAX-LGW
LAX-STN
LAX-LHR
How far ahead should I book a flight from Pasadena to London?
Use this chart to determine the optimal time to book a round-trip flight from Pasadena to London. Price data was last updated on January 30, 2026.
Booking 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from Pasadena to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Pasadena to London?
Currently, October is the cheapest month in which you can book a flight from Pasadena to London (average of $222). Flying from Pasadena to London in June is currently the most expensive (average of $574). 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 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 February 2, 2026.
It’s optimal to fly from Pasadena to London in the afternoon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the morning.
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 January 31, 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.
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 February 2, 2026.
The most flights from P4S to LON are scheduled on a Thursday (49 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (43 on average).
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 February 2, 2026.
Read reviews from past customers who have flown Delta, American Airlines, and Norse Atlantic UK from Pasadena to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Norse Atlantic UK
Food
7.2
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
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
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton
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.
Alternative routes for Pasadena to London
See prices for flight routes from nearby airports that may be better suited for you.
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 February 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$273 | Average$806 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$336 | Average$832 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$353 | Average$684 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$420 | Average$553 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$468 | Average$624 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$475 | Average$674 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$485 | Average$690 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$498 | Average$726 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$541 | Average$814 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$548 | Average$659 | FlexibilityNo cancel fee | On-time77% |