$284+ Cheap flights from Philadelphia (PHL) to London (LON)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LON
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia 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 Philadelphia to London are usually found in January or February, booked 67 days in advance, depart on a Wednesday or Tuesday and return on a Monday
Cheap flight deals from Philadelphia to London
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Cheapest flights from Philadelphia to LondonExplore the most affordable flight options available from Philadelphia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Philadelphia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/63:20 pm -
3 stops24h 05m
Sun 12/138:15 am -
2 stops19h 31m
Deal found 10/27![Multiple Airlines logo]()
$822
This JetBlue deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:30 am -
1 stop16h 25m
Thu 12/109:20 am -
1 stop14h 23m
Deal found 10/29![JetBlue logo]()
$823
This JetBlue deal was found by Cheapflights users on 10/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:00 am -
1 stop18h 55m
Thu 11/199:20 am -
1 stop14h 34m
Deal found 10/30![JetBlue logo]()
$826
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:47 pm -
2 stops36h 03m
Wed 11/259:50 am -
1 stop27h 12m
Deal found 10/27![Multiple Airlines logo]()
$827
This The Travel House deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:30 am -
1 stop16h 25m
Thu 1/149:20 am -
1 stop28h 17m
Deal found 10/29![JetBlue logo]()
$828
This Booking.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:40 pm -
2 stops14h 20m
Wed 11/258:15 am -
3 stops21h 15m
Deal found 10/27![Multiple Airlines logo]()
$828
This Cheapflightsfares deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:00 am -
1 stop18h 55m
Sat 11/149:20 am -
1 stop16h 17m
Deal found 10/27![JetBlue logo]()
$829
This Cheapflightsfares deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:27 am -
1 stop15h 28m
Thu 11/129:20 am -
1 stop16h 51m
Deal found 10/26![JetBlue logo]()
$830
This Booking.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:40 pm -
3 stops20h 40m
Thu 11/1211:00 am -
1 stop18h 35m
Deal found 10/29![Multiple Airlines logo]()
$830
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:15 am -
3 stops27h 45m
Mon 11/166:50 pm -
3 stops26h 15m
Deal found 10/29![Multiple Airlines logo]()
$831
This JetBlue deal was found by Cheapflights users on 10/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:35 pm -
1 stop10h 20m
Thu 11/199:20 am -
1 stop14h 34m
Deal found 10/30![JetBlue logo]()
$833
This JetBlue deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:30 am -
1 stop16h 25m
Wed 12/99:20 am -
1 stop14h 23m
Deal found 10/27![JetBlue logo]()
$834
Best flights from Philadelphia to LondonDiscover carefully curated flight deals from Philadelphia to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Philadelphia to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This JetBlue deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/279:01 am -
1 stop16h 54m
Tue 3/308:40 am -
1 stop13h 52m
Deal found 10/28![JetBlue logo]()
$839
This Mytrip deal was found by Cheapflights users on 10/30. 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 12/143:20 pm -
2 stops26h 25m
Mon 12/211:50 pm -
3 stops31h 15m
Deal found 10/30![Multiple Airlines logo]()
$871
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/30. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/143:38 pm -
3 stops23h 57m
Tue 1/194:35 pm -
2 stops32h 03m
Deal found 10/30![TAP AIR PORTUGAL logo]()
$975
This Scandinavian Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals ”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/212:12 pm -
2 stops22h 28m
Wed 4/287:05 am -
3 stops22h 46m
Deal found 10/28![Scandinavian Airlines logo]()
$996
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/111:43 am -
2 stops15h 27m
Sat 2/138:40 am -
2 stops20h 00m
Deal found 10/28![Delta logo]()
$1,012
This British Airways deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:55 pm -
1 stop10h 45m
Wed 12/96:50 am -
1 stop12h 15m
Deal found 10/26![British Airways logo]()
$1,018
This JetBlue deal was found by Cheapflights users on 10/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:27 am -
1 stop15h 28m
Sat 11/219:20 am -
1 stop14h 34m
Deal found 10/30![JetBlue logo]()
$853
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:05 pm -
3 stops20h 55m
Mon 12/76:10 am -
3 stops21h 36m
Deal found 10/25![Multiple Airlines logo]()
$878
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Mon 12/75:40 pm -
1 stop23h 15m
Mon 12/145:40 pm -
2 stops27h 30m
Deal found 10/30![Multiple Airlines logo]()
$892
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/213:38 pm -
3 stops23h 57m
Mon 1/259:35 pm -
3 stops27h 03m
Deal found 10/26![TAP AIR PORTUGAL logo]()
$992
This Scandinavian Airlines deal was found by Cheapflights users on 10/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:25 pm -
3 stops21h 10m
Tue 11/176:40 am -
2 stops20h 32m
Deal found 10/30![Scandinavian Airlines logo]()
$1,018
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1212:31 pm -
2 stops13h 44m
Thu 5/1310:00 am -
2 stops15h 37m
Deal found 10/26![Delta logo]()
$1,049
This British Airways deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/139:15 pm -
1 stop10h 25m
Tue 12/226:50 am -
1 stop12h 10m
Deal found 10/26![British Airways logo]()
$1,072
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/143:38 pm -
2 stops19h 12m
Mon 1/184:35 pm -
2 stops32h 03m
Deal found 10/26![TAP AIR PORTUGAL logo]()
$994
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:40 pm -
1 stop9h 50m
Thu 11/122:00 pm -
2 stops38h 43m
Deal found 10/26![Multiple Airlines logo]()
$905
This British Airways deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/89:15 pm -
1 stop10h 25m
Sun 12/137:40 pm -
1 stop23h 25m
Deal found 10/30![British Airways logo]()
$1,076
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:30 am -
2 stops19h 20m
Sun 12/69:25 pm -
3 stops26h 18m
Deal found 10/26![TAP AIR PORTUGAL logo]()
$999
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:40 pm -
1 stop24h 40m
Fri 11/206:00 am -
2 stops31h 52m
Deal found 10/25![Multiple Airlines logo]()
$926
This British Airways deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:55 pm -
1 stop10h 45m
Sun 12/137:40 pm -
1 stop23h 25m
Deal found 10/27![British Airways logo]()
$1,078
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/139:30 am -
2 stops24h 35m
Sun 1/1710:40 am -
2 stops26h 57m
Deal found 10/29![TAP AIR PORTUGAL logo]()
$1,023
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:15 am -
2 stops19h 35m
Mon 11/3010:50 am -
3 stops34h 15m
Deal found 10/26![Multiple Airlines logo]()
$939
This British Airways deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:35 pm -
Nonstop7h 00m
Mon 1/181:10 pm -
Nonstop8h 05m
Deal found 10/30![British Airways logo]()
$1,085
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/3112:15 pm -
3 stops28h 45m
Tue 4/66:00 am -
2 stops21h 31m
Deal found 10/26![TAP AIR PORTUGAL logo]()
$1,027
This Booking.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:40 pm -
2 stops14h 20m
Sat 11/146:15 am -
3 stops22h 09m
Deal found 10/27![Multiple Airlines logo]()
$943
This British Airways deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:55 pm -
1 stop10h 45m
Sun 12/68:30 pm -
1 stop23h 45m
Deal found 10/28![British Airways logo]()
$1,097
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/139:30 am -
3 stops31h 05m
Tue 12/226:00 am -
3 stops41h 45m
Deal found 10/26![TAP AIR PORTUGAL logo]()
$1,039
This WAYA deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/249:25 pm -
1 stop14h 20m
Sun 1/317:45 am -
1 stop12h 45m
Deal found 10/27![Multiple Airlines logo]()
$946
This British Airways deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/139:25 pm -
1 stop16h 10m
Wed 1/207:40 am -
2 stops18h 57m
Deal found 10/27![British Airways logo]()
$1,158
This Norse deal was found by Cheapflights users on 10/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/129:51 pm -
1 stop26h 59m
Tue 1/199:35 am -
1 stop27h 27m
Deal found 10/30![Multiple Airlines logo]()
$965
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:00 am -
2 stops21h 50m
Mon 11/239:35 pm -
3 stops26h 19m
Deal found 10/25![TAP AIR PORTUGAL logo]()
$1,087
Last-minute flights from Philadelphia to LondonDiscover last-minute flight deals from Philadelphia to London. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to London. Data last updated October 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:47 pm -
2 stops36h 03m
Wed 11/259:50 am -
1 stop27h 12m
Deal found 10/27![Multiple Airlines logo]()
$827
This Booking.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:40 pm -
2 stops14h 20m
Wed 11/258:15 am -
3 stops21h 15m
Deal found 10/27![Multiple Airlines logo]()
$828
This Cheapflightsfares deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:00 am -
1 stop18h 55m
Sat 11/149:20 am -
1 stop16h 17m
Deal found 10/27![JetBlue logo]()
$829
This Booking.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates ” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:40 pm -
3 stops20h 40m
Thu 11/1211:00 am -
1 stop18h 35m
Deal found 10/29![Multiple Airlines logo]()
$830
This Cheapflightsfares deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:27 am -
1 stop15h 28m
Thu 11/129:20 am -
1 stop16h 51m
Deal found 10/26![JetBlue logo]()
$830
This JetBlue deal was found by Cheapflights users on 10/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:35 pm -
1 stop10h 20m
Thu 11/199:20 am -
1 stop14h 34m
Deal found 10/30![JetBlue logo]()
$833
This JetBlue deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:27 am -
1 stop15h 28m
Wed 11/119:20 am -
1 stop12h 48m
Deal found 10/26![JetBlue logo]()
$835
This Priceline deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:58 pm -
1 stop31h 57m
Tue 11/179:20 am -
1 stop29h 17m
Deal found 10/28![JetBlue logo]()
$834
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:15 am -
3 stops27h 45m
Mon 11/166:50 pm -
3 stops26h 15m
Deal found 10/29![Multiple Airlines logo]()
$831
This JetBlue deal was found by Cheapflights users on 10/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:00 am -
1 stop18h 55m
Thu 11/199:20 am -
1 stop14h 34m
Deal found 10/30![JetBlue logo]()
$826
This CheapOair deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:45 pm -
1 stop30h 10m
Wed 12/99:20 am -
1 stop14h 23m
Deal found 10/29![JetBlue logo]()
$838
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/279:15 am -
3 stops24h 35m
Fri 12/48:35 am -
2 stops35h 09m
Deal found 10/27![Multiple Airlines logo]()
$835
One-way flights from Philadelphia to LondonSearch for one-way flight options from Philadelphia to London. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Philadelphia to London. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:37 pm -
2 stops30h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$284
This Cheapflightsfares deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/109:30 am -
1 stop16h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![JetBlue logo]()
$290
This JetBlue deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/69:30 am -
1 stop16h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![JetBlue logo]()
$294
This JetBlue deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:35 pm -
1 stop10h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![JetBlue logo]()
$295
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:35 pm -
1 stop10h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![JetBlue logo]()
$297
This Expedia deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:45 pm -
1 stop30h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![JetBlue logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/118:56 pm -
3 stops36h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$303
This FlightHub deal was found by Cheapflights users on 10/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/129:30 am -
1 stop16h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![JetBlue logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:15 am -
3 stops27h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:25 pm -
3 stops55h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$305
This CheapOair deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:33 pm -
1 stop30h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![JetBlue logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/95:22 pm -
2 stops31h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$316
Find flight deals from Philadelphia to London
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $822 (Mytrip) |
One-way from | $284 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,054 |
Good round-trip deal | $915 or less |
Good one-way deal | $456 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia 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 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Philadelphia to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaLondon
PHL Philadelphia - LHR London Heathrow
PHLLHR
Philadelphia
Wed 3/10
9:25 am-6:55 am
1 stop16h 30m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$290
PhiladelphiaLondon
PHL Philadelphia - LHR London Heathrow
PHLLHR
Philadelphia
Thu 1/7
9:30 am-6:53 am
1 stop16h 23m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$299
PhiladelphiaLondon
PHL Philadelphia - STN London Stansted
PHLSTN
Philadelphia
Sun 11/15
5:40 pm-9:40 am
1 stop11h 00m
London Stansted
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$336
PhiladelphiaLondon
PHL Philadelphia - LGW London Gatwick
PHLLGW
Philadelphia
Sun 11/15
5:40 pm-9:15 am
1 stop10h 35m
London Gatwick
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$336
Quickest round-trip
PhiladelphiaLondon
PHL Philadelphia - STN London Stansted
PHLSTN
Philadelphia
Sun 12/6
5:40 pm-7:50 am
1 stop9h 10m
London Stansted
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$341
PhiladelphiaLondon
PHL Philadelphia - STN London Stansted
PHLSTN
Philadelphia
Sun 11/8
5:40 pm-11:59 pm
2 stops25h 19m
London Stansted
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$344
PhiladelphiaLondon
PHL Philadelphia - LHR London Heathrow
PHLLHR
Philadelphia
Wed 1/27
3:20 pm-7:10 am
1 stop10h 50m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$358
PhiladelphiaLondon
PHL Philadelphia - LHR London Heathrow
PHLLHR
Philadelphia
Wed 3/10
1:00 pm-9:00 am
2 stops15h 00m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$359
PhiladelphiaLondon
PHL Philadelphia - LGW London Gatwick
PHLLGW
Philadelphia
Mon 1/11
4:51 pm-3:45 pm
2 stops17h 54m
London Gatwick
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$361
PhiladelphiaLondon
PHL Philadelphia - LCY London City
PHLLCY
Philadelphia
Wed 1/27
1:39 pm-9:30 am
2 stops14h 51m
London City
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$375
Showing 1-10 of 60 resultsSorted by cheapest first
Compare providers for flights from Philadelphia to London
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to London in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Philadelphia-London flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Philadelphia-London flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Philadelphia-London flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-London flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Philadelphia to London
Have a flexible travel schedule? Discover the best time to fly to London from Philadelphia with our price prediction graph.
PHL-LON
PHL-LGW
PHL-LHR
PHL-STN
PHL-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 Philadelphia to London
PHL-LON
PHL-LGW
PHL-LHR
PHL-STN
PHL-LCY
What is the cheapest month to book a flight from Philadelphia to London?
Currently, February is the cheapest month in which you can book a flight from Philadelphia to London (average of $737). Flying from Philadelphia to London in June is currently the most expensive (average of $1,482). 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 PHL to LON?
Find hourly flight availability from Philadelphia 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 October 30, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to London as you normally would.
How much does it cost to fly round-trip from Philadelphia to London?
Airfare is typical for this route at the moment.
Philadelphia to London flights typically cost between $818 and $1,135 in December.The cheapest round-trip price found within the last 5 days was $822 on Multiple Airlines (Dec 6-Dec 13).
What’s the top layover airport for flights from Philadelphia to London?
Share of 1-stop round-trip flights from Philadelphia to London chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dublin (DUB) – chosen by Cheapflights users on 75% of 1-stop itineraries from Philadelphia to London on Cheapflights.
What’s the cheapest layover airport for flights from Philadelphia to London?
Average round-trip fare for 1-stop flights from Philadelphia to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Dublin (DUB) is the most affordable 1-stop option, with an average round-trip price of $719.
What’s the fastest layover option from Philadelphia to London?
Shortest average travel time for 1-stop one-way flights from Philadelphia to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 9h 25m.
Which airport typically offers the quickest layover for flights from Philadelphia to London?
Average layover duration for 1-stop one-way flights from Philadelphia to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dublin (DUB) offer the fastest connection on this route, with an average layover time of 1h 23m.
How far ahead should I book a flight from Philadelphia to London?
Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
The best insider tips for Philadelphia to London flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Philadelphia to London trip
Our travel experts
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 October 30, 2026.
See what other customers who have flown with Finnair,Aer Lingus, andAmerican Airlines from Philadelphia to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Overall
7.6
Boarding
7.6
Comfort
7.4
Entertainment
6.9
Crew
8.2
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Food
6.7
Overall
7.6
Boarding
7.6
Comfort
7.4
Entertainment
6.9
Crew
8.2
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Food
6.7
Overall
7.6
Boarding
7.6
Comfort
7.4
Entertainment
6.9
Crew
8.2
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Food
6.7
Overall
7.6
Boarding
7.6
Comfort
7.4
Entertainment
6.9
Crew
8.2
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Food
6.7
Overall
7.6
Boarding
7.6
Comfort
7.4
Entertainment
6.9
Crew
8.2
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Food
6.7
Overall
7.6
Boarding
7.6
Comfort
7.4
Entertainment
6.9
Crew
8.2
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Related info for your journey
Find useful and relevant information for your journey from Philadelphia 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
Gatwick
Hounslow
Wembley
Harrow
Southend-on-Sea
Basingstoke
Watford
Dartford
Winchester
Croydon
Kingston upon Thames
Chipping Norton
Slough
Eastbourne
Stansted
Sutton
Luton
Bedford
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Top 6 airlines flying from Philadelphia to London
Discover the top 6 airlines that operate flights from Philadelphia 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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$592 | Average$1,094 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$630 | Average$901 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$632 | Average$1,107 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$635 | Average$1,120 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$640 | Average$753 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$651 | Average$1,076 | FlexibilityNo cancel fee | On-time77% |