$333+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
Sep 18 — Sep 251
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 February or September, booked 28 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 August 19, 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 August 19, 2026.
This Flightnetwork deal was found by Cheapflights users on 8/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:20 am -
1 stop36h 00m
Mon 9/287:25 am -
1 stop32h 55m
Deal found 8/15![Royal Air Maroc logo]()
$592
This SmartFares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:20 am -
1 stop36h 00m
Mon 9/287:25 am -
1 stop32h 55m
Deal found 8/14![Royal Air Maroc logo]()
$598
This SmartFares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:20 am -
1 stop36h 00m
Mon 9/147:25 am -
1 stop32h 55m
Deal found 8/14![Royal Air Maroc logo]()
$605
This SmartFares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:20 am -
1 stop21h 30m
Mon 9/284:50 pm -
1 stop23h 30m
Deal found 8/14![Royal Air Maroc logo]()
$606
This Gotogate deal was found by Cheapflights users on 8/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:20 am -
1 stop36h 00m
Mon 9/217:25 am -
1 stop32h 55m
Deal found 8/17![Royal Air Maroc logo]()
$606
This Gotogate deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:20 am -
1 stop21h 30m
Sat 9/264:50 pm -
1 stop23h 30m
Deal found 8/14![Royal Air Maroc logo]()
$607
This Gotogate deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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.
Fri 11/209:20 am -
1 stop37h 00m
Mon 11/307:20 am -
1 stop32h 00m
Deal found 8/14![Royal Air Maroc logo]()
$608
This Booking.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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.
Fri 10/2310:20 am -
1 stop37h 00m
Mon 10/267:20 am -
1 stop32h 00m
Deal found 8/14![Royal Air Maroc logo]()
$609
This Mytrip deal was found by Cheapflights users on 8/17. 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.
Tue 9/810:20 am -
2 stops29h 25m
Mon 9/217:55 am -
2 stops32h 25m
Deal found 8/17![Multiple Airlines logo]()
$610
This Booking.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:20 am -
1 stop21h 30m
Thu 9/244:50 pm -
1 stop23h 30m
Deal found 8/13![Royal Air Maroc logo]()
$613
This Justfly.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:20 am -
1 stop36h 00m
Sat 9/127:25 am -
1 stop32h 55m
Deal found 8/13![Royal Air Maroc logo]()
$616
This Mytrip deal was found by Cheapflights users on 8/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:20 am -
2 stops29h 25m
Thu 10/158:00 am -
2 stops32h 20m
Deal found 8/18![Multiple Airlines logo]()
$617
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 August 19, 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 August 19, 2026.
This Mytrip deal was found by Cheapflights users on 8/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:15 am -
2 stops22h 20m
Mon 9/218:35 pm -
2 stops27h 45m
Deal found 8/15![Multiple Airlines logo]()
$780
This Turkish Airlines deal was found by Cheapflights users on 8/15. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:25 pm -
1 stop19h 15m
Wed 11/1810:55 am -
1 stop31h 55m
Deal found 8/15![Turkish Airlines logo]()
$863
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:50 pm -
1 stop18h 45m
Wed 11/258:40 am -
1 stop35h 05m
Deal found 8/16![Delta logo]()
$882
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/283:40 pm -
Nonstop10h 30m
Mon 10/54:25 pm -
1 stop30h 50m
Deal found 8/14![United Airlines logo]()
$902
This Scandinavian Airlines deal was found by Cheapflights users on 8/16. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:30 pm -
2 stops18h 05m
Tue 11/109:05 pm -
2 stops27h 55m
Deal found 8/16![Scandinavian Airlines logo]()
$904
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/204:45 pm -
2 stops19h 40m
Wed 11/44:35 pm -
1 stop30h 40m
Deal found 8/14![TAP AIR PORTUGAL logo]()
$904
This SWISS deal was found by Cheapflights users on 8/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:35 pm -
2 stops17h 55m
Mon 10/196:40 pm -
1 stop29h 50m
Deal found 8/17![SWISS logo]()
$915
This Virgin Atlantic deal was found by Cheapflights users on 8/18. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
2 stops17h 55m
Tue 10/275:50 pm -
1 stop25h 55m
Deal found 8/18![Virgin Atlantic logo]()
$926
This LEVEL deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:50 pm -
1 stop28h 40m
Sun 10/182:55 pm -
1 stop36h 00m
Deal found 8/14![LEVEL logo]()
$949
This KLM deal was found by Cheapflights users on 8/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:15 pm -
Nonstop10h 20m
Sat 10/102:30 pm -
Nonstop11h 15m
Deal found 8/18![KLM logo]()
$972
This Finnair deal was found by Cheapflights users on 8/18. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:05 pm -
Nonstop10h 40m
Fri 12/1110:05 am -
Nonstop11h 20m
Deal found 8/18![Finnair logo]()
$1,127
This JetBlue deal was found by Cheapflights users on 8/18. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:03 am -
1 stop15h 32m
Tue 9/812:20 pm -
1 stop16h 40m
Deal found 8/18![JetBlue logo]()
$1,222
This Mytrip deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/57:30 am -
2 stops22h 35m
Mon 10/125:40 am -
2 stops34h 40m
Deal found 8/14![Multiple Airlines logo]()
$801
This Turkish Airlines deal was found by Cheapflights users on 8/15. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:25 pm -
1 stop19h 15m
Tue 10/275:20 pm -
1 stop31h 15m
Deal found 8/15![Turkish Airlines logo]()
$863
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:50 pm -
1 stop18h 45m
Mon 11/307:45 am -
1 stop36h 00m
Deal found 8/16![Delta logo]()
$912
This Virgin Atlantic deal was found by Cheapflights users on 8/15. 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.
Wed 11/111:45 pm -
1 stop19h 35m
Wed 11/189:20 am -
2 stops19h 05m
Deal found 8/15![Virgin Atlantic logo]()
$930
This Mytrip deal was found by Cheapflights users on 8/17. 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.
Wed 11/47:00 am -
2 stops27h 35m
Wed 11/185:20 pm -
3 stops46h 00m
Deal found 8/17![Multiple Airlines logo]()
$858
This Scandinavian Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:09 pm -
2 stops19h 51m
Wed 9/306:40 am -
2 stops19h 49m
Deal found 8/14![Scandinavian Airlines logo]()
$969
This Turkish Airlines deal was found by Cheapflights users on 8/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:30 pm -
1 stop31h 25m
Thu 11/2610:55 am -
1 stop31h 55m
Deal found 8/16![Turkish Airlines logo]()
$913
This Virgin Atlantic deal was found by Cheapflights users on 8/16. 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 10/74:45 pm -
1 stop17h 45m
Tue 10/138:25 am -
2 stops20h 05m
Deal found 8/16![Virgin Atlantic logo]()
$930
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/17. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:55 pm -
1 stop33h 55m
Mon 10/264:35 pm -
1 stop30h 40m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$1,038
This KLM deal was found by Cheapflights users on 8/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:15 pm -
Nonstop10h 20m
Fri 9/46:30 am -
1 stop13h 20m
Deal found 8/18![KLM logo]()
$1,048
This Mytrip deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/123:05 pm -
2 stops20h 45m
Tue 10/208:25 pm -
3 stops31h 29m
Deal found 8/14![Multiple Airlines logo]()
$903
This Scandinavian Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/1812:09 pm -
2 stops17h 26m
Fri 9/2510:20 am -
2 stops19h 50m
Deal found 8/14![Scandinavian Airlines logo]()
$1,008
This Turkish Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 11/116:30 pm -
1 stop37h 50m
Sun 11/1510:55 am -
1 stop31h 55m
Deal found 8/17![Turkish Airlines logo]()
$923
This Finnair deal was found by Cheapflights users on 8/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:05 pm -
Nonstop10h 40m
Sun 9/2010:20 am -
1 stop14h 50m
Deal found 8/17![Finnair logo]()
$1,146
This KLM deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:15 pm -
Nonstop10h 20m
Sun 9/205:55 pm -
Nonstop11h 10m
Deal found 8/14![KLM logo]()
$1,056
This Virgin Atlantic deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/212:00 pm -
1 stop18h 00m
Sat 10/3110:00 am -
2 stops18h 45m
Deal found 8/14![Virgin Atlantic logo]()
$963
This Mytrip deal was found by Cheapflights users on 8/17. 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 11/19:20 am -
2 stops25h 55m
Thu 11/57:15 am -
3 stops32h 05m
Deal found 8/17![Multiple Airlines logo]()
$910
This Turkish Airlines deal was found by Cheapflights users on 8/17. 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 -
1 stop36h 50m
Tue 11/175:20 pm -
1 stop25h 30m
Deal found 8/17![Turkish Airlines logo]()
$938
Last-minute flights from Pasadena to LondonDiscover last-minute flight deals from Pasadena to London. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Pasadena to London. Data last updated August 19, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:20 am -
1 stop36h 00m
Sat 9/127:25 am -
1 stop32h 55m
Deal found 8/13![Royal Air Maroc logo]()
$616
This SmartFares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:20 am -
1 stop36h 00m
Mon 9/147:25 am -
1 stop32h 55m
Deal found 8/14![Royal Air Maroc logo]()
$605
This Gotogate deal was found by Cheapflights users on 8/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:20 am -
1 stop36h 00m
Mon 9/217:25 am -
1 stop32h 55m
Deal found 8/17![Royal Air Maroc logo]()
$606
This Mytrip deal was found by Cheapflights users on 8/17. 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.
Tue 9/810:20 am -
2 stops29h 25m
Mon 9/217:55 am -
2 stops32h 25m
Deal found 8/17![Multiple Airlines logo]()
$610
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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.
Fri 9/1110:20 am -
1 stop36h 00m
Mon 10/57:25 am -
1 stop32h 55m
Deal found 8/14![Royal Air Maroc logo]()
$617
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:20 am -
1 stop36h 00m
Mon 9/147:25 am -
1 stop32h 55m
Deal found 8/18![Royal Air Maroc logo]()
$618
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Tue 9/1510:20 am -
1 stop21h 30m
Sat 9/194:50 pm -
1 stop23h 30m
Deal found 8/17![Royal Air Maroc logo]()
$623
This Flightnetwork deal was found by Cheapflights users on 8/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:20 am -
1 stop36h 00m
Mon 9/287:25 am -
1 stop32h 55m
Deal found 8/15![Royal Air Maroc logo]()
$592
This Gotogate deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:20 am -
1 stop21h 30m
Sat 9/264:50 pm -
1 stop23h 30m
Deal found 8/14![Royal Air Maroc logo]()
$607
This Booking.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:20 am -
1 stop21h 30m
Thu 9/244:50 pm -
1 stop23h 30m
Deal found 8/13![Royal Air Maroc logo]()
$613
This SmartFares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:20 am -
1 stop36h 00m
Mon 9/287:25 am -
1 stop32h 55m
Deal found 8/14![Royal Air Maroc logo]()
$598
This SmartFares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:20 am -
1 stop21h 30m
Mon 9/284:50 pm -
1 stop23h 30m
Deal found 8/14![Royal Air Maroc logo]()
$606
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 August 19, 2026.
Search for one-way flight options from Pasadena to London. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sat 10/311:50 pm -
2 stops50h 10m
Deal found 8/18![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Tue 10/134:45 pm -
2 stops42h 20m
Deal found 8/17![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/153:35 pm -
3 stops39h 20m
Deal found 8/18![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Wed 10/143:35 pm -
3 stops42h 55m
Deal found 8/18![Multiple Airlines logo]()
$335
This Mytrip deal was found by Cheapflights users on 8/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:45 am -
3 stops33h 10m
Deal found 8/18![Multiple Airlines logo]()
$335
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:30 am -
1 stop16h 00m
Deal found 8/18![JetBlue logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:16 pm -
3 stops32h 49m
Deal found 8/15![Multiple Airlines logo]()
$337
This Mytrip deal was found by Cheapflights users on 8/17. 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.
Tue 12/297:10 pm -
1 stop13h 55m
Deal found 8/17![SWISS logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Wed 10/147:30 am -
2 stops31h 20m
Deal found 8/16![Multiple Airlines logo]()
$337
This Jetabroad deal was found by Cheapflights users on 8/17. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:30 pm -
1 stop25h 25m
Deal found 8/17![JetBlue logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:59 am -
2 stops25h 01m
Deal found 8/15![Multiple Airlines logo]()
$338
This Trip.com deal was found by Cheapflights users on 8/17. 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.
Sun 11/151:50 pm -
1 stop18h 45m
Deal found 8/17![Virgin Atlantic logo]()
$339
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 August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $592 (Flightnetwork) |
One-way from | $333 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $876 |
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 August 19, 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 Los Angeles - LTN London Luton
LAXLTN
Los Angeles
Mon 9/14
8:15 am-2:35 pm
2 stops22h 20m
London Luton
Mon 9/21
8:35 pm-4:20 pm
2 stops27h 45m
$780
Los AngelesLondon
LAX Los Angeles - LTN London Luton
LAXLTN
Los Angeles
Mon 10/5
7:30 am-2:05 pm
2 stops22h 35m
London Luton
Mon 10/12
5:40 am-8:20 am
2 stops34h 40m
$801
Los AngelesLondon
LAX Los Angeles - SEN London Southend
LAXSEN
Los Angeles
Wed 11/4
7:00 am-6:35 pm
2 stops27h 35m
London Southend
Wed 11/18
5:20 pm-7:20 am
3 stops46h 00m
$858
Los AngelesLondon
LAX Los Angeles - STN London Stansted
LAXSTN
Los Angeles
Wed 10/21
1:25 pm-4:40 pm
1 stop19h 15m
London Stansted
Wed 11/18
10:55 am-10:50 am
1 stop31h 55m
$863
Los AngelesLondon
LAX Los Angeles - STN London Stansted
LAXSTN
Los Angeles
Wed 10/21
1:25 pm-4:40 pm
1 stop19h 15m
London Stansted
Tue 10/27
5:20 pm-5:35 pm
1 stop31h 15m
$863
Los AngelesLondon
LAX Los Angeles - LCY London City
LAXLCY
Los Angeles
Mon 11/16
1:50 pm-4:35 pm
1 stop18h 45m
London City
Wed 11/25
8:40 am-11:45 am
1 stop35h 05m
$882
Los AngelesLondon
LAX Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles
Mon 9/28
3:40 pm-10:10 am
Nonstop10h 30m
London Heathrow
Mon 10/5
4:25 pm-3:15 pm
1 stop30h 50m
$902
Los AngelesLondon
LAX Los Angeles - SEN London Southend
LAXSEN
Los Angeles
Mon 10/12
3:05 pm-7:50 pm
2 stops20h 45m
London Southend
Tue 10/20
8:25 pm-7:54 pm
3 stops31h 29m
$903
Los AngelesLondon
LAX Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles
Wed 11/4
7:30 pm-9:35 pm
2 stops18h 05m
London Heathrow
Tue 11/10
9:05 pm-5:00 pm
2 stops27h 55m
$904
Los AngelesLondon
LAX Los Angeles - LGW London Gatwick
LAXLGW
Los Angeles
Tue 10/20
4:45 pm-8:25 pm
2 stops19h 40m
London Gatwick
Wed 11/4
4:35 pm-3:15 pm
1 stop30h 40m
$904
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-STN
LAX-LGW
LAX-LTN
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-STN
LAX-LGW
LAX-LTN
LAX-LHR
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 August 19, 2026.
It’s optimal to fly from Pasadena to London at noon. By choosing this option you can save up to 33% 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 August 19, 2026.
The most flights from P4S to LON are scheduled on a Monday (57 on average). You will have fewer flight options on Thursday, 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?
Airfare is below average for this route at the moment.
Pasadena to London flights typically cost between $633 and $1,034 in September.The cheapest round-trip price found within the last 5 days was $592 on Royal Air Maroc (Sep 18-Sep 28).
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 August 15, 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 August 19, 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.
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Norse Atlantic UK
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Crew
8.5
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
Winchester
Gatwick
Hounslow
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Dartford
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow
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Other flights to London
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Pasadena and London flights
Browse other Pasadena and London flight options. Last updated on August 19, 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 August 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$280 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$291 | Average$939 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$356 | Average$887 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$404 | Average$999 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$415 | Average$666 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$429 | Average$569 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$510 | Average$789 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$512 | Average$886 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$519 | Average$911 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$532 | Average$893 | FlexibilityNo cancel fee | On-time77% |