$454+ Cheap flights from Philadelphia (PHL) to Seoul (SEL)
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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEL
Nov 19 — Nov 261
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Philadelphia to Seoul 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.Cheap flight deals from Philadelphia to Seoul
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to SeoulExplore the most affordable flight options available from Philadelphia to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
Explore the most affordable flight options available from Philadelphia to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
This Orbitz deal was found by Cheapflights users on 10/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:02 am -
1 stop21h 33m
Mon 11/98:00 pm -
1 stop23h 32m
Deal found 10/16![Alaska Airlines logo]()
$1,098
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:21 pm -
1 stop21h 19m
Tue 11/2412:45 pm -
1 stop18h 30m
Deal found 10/19![United Airlines logo]()
$1,158
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop20h 15m
Sat 11/1412:45 pm -
1 stop18h 30m
Deal found 10/19![United Airlines logo]()
$1,168
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sun 11/16:00 am -
1 stop20h 15m
Sun 11/226:00 pm -
1 stop18h 49m
Deal found 10/14![United Airlines logo]()
$1,179
This United Airlines deal was found by Cheapflights users on 10/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:34 pm -
1 stop31h 26m
Sat 10/315:30 pm -
2 stops30h 15m
Deal found 10/16![United Airlines logo]()
$1,182
This CheapOair deal was found by Cheapflights users on 10/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:35 pm -
2 stops32h 35m
Sun 11/228:35 am -
2 stops37h 45m
Deal found 10/14![Multiple Airlines logo]()
$1,455
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:00 am -
2 stops27h 05m
Tue 12/88:15 am -
2 stops21h 55m
Deal found 10/16![Japan Airlines logo]()
$1,490
This FlightHub deal was found by Cheapflights users on 10/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:49 am -
2 stops35h 56m
Mon 11/238:15 am -
2 stops28h 14m
Deal found 10/17![Japan Airlines logo]()
$1,534
This Japan Airlines deal was found by Cheapflights users on 10/18. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:10 am -
2 stops23h 55m
Wed 12/98:15 am -
2 stops24h 15m
Deal found 10/18![Multiple Airlines logo]()
$1,566
This Ovago deal was found by Cheapflights users on 10/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:40 am -
2 stops21h 25m
Tue 11/107:40 pm -
2 stops34h 31m
Deal found 10/15![Japan Airlines logo]()
$1,589
This Japan Airlines deal was found by Cheapflights users on 10/18. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:21 am -
2 stops24h 44m
Wed 11/118:15 am -
2 stops21h 56m
Deal found 10/18![Multiple Airlines logo]()
$1,599
This Ovago deal was found by Cheapflights users on 10/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:35 pm -
2 stops26h 10m
Thu 12/108:15 am -
2 stops24h 15m
Deal found 10/18![Japan Airlines logo]()
$1,615
Best flights from Philadelphia to SeoulDiscover carefully curated flight deals from Philadelphia to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
Discover carefully curated flight deals from Philadelphia to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/249:30 am -
1 stop30h 10m
Sat 2/2712:45 pm -
1 stop18h 13m
Deal found 10/18![United Airlines logo]()
$1,168
This Justfly.com deal was found by Cheapflights users on 10/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/176:50 pm -
2 stops25h 55m
Thu 1/287:40 pm -
2 stops57h 10m
Deal found 10/15![Japan Airlines logo]()
$1,479
This Japan Airlines deal was found by Cheapflights users on 10/18. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:10 am -
2 stops23h 55m
Wed 12/98:15 am -
2 stops24h 15m
Deal found 10/18![Multiple Airlines logo]()
$1,566
This United Airlines deal was found by Cheapflights users on 10/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:21 pm -
1 stop21h 19m
Mon 11/236:00 pm -
1 stop27h 39m
Deal found 10/17![United Airlines logo]()
$1,168
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:38 pm -
2 stops27h 02m
Wed 12/912:45 pm -
2 stops24h 11m
Deal found 10/18![United Airlines logo]()
$1,173
This United Airlines deal was found by Cheapflights users on 10/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/211:19 pm -
2 stops26h 21m
Mon 2/2212:45 pm -
2 stops24h 01m
Deal found 10/17![United Airlines logo]()
$1,173
This Cheapflightsfares deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:00 am -
2 stops27h 05m
Wed 12/98:15 am -
2 stops24h 15m
Deal found 10/19![Japan Airlines logo]()
$1,490
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/236:00 am -
2 stops20h 25m
Thu 2/256:00 pm -
2 stops32h 19m
Deal found 10/18![United Airlines logo]()
$1,173
This Japan Airlines deal was found by Cheapflights users on 10/18. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/227:22 am -
2 stops24h 43m
Fri 2/268:15 am -
2 stops24h 13m
Deal found 10/18![Multiple Airlines logo]()
$1,578
This Ovago deal was found by Cheapflights users on 10/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/510:40 am -
2 stops21h 25m
Tue 1/197:40 pm -
2 stops34h 36m
Deal found 10/16![Japan Airlines logo]()
$1,532
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:20 am -
1 stop30h 20m
Sun 12/206:00 pm -
1 stop27h 45m
Deal found 10/15![United Airlines logo]()
$1,178
This Japan Airlines deal was found by Cheapflights users on 10/18. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:21 am -
2 stops24h 44m
Wed 11/118:15 am -
2 stops21h 56m
Deal found 10/18![Multiple Airlines logo]()
$1,599
This United Airlines deal was found by Cheapflights users on 10/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:21 pm -
1 stop21h 19m
Wed 11/116:00 pm -
1 stop27h 39m
Deal found 10/16![United Airlines logo]()
$1,178
This FlightHub deal was found by Cheapflights users on 10/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:40 am -
2 stops21h 25m
Mon 11/238:15 am -
2 stops21h 49m
Deal found 10/17![Japan Airlines logo]()
$1,572
This Japan Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/310:45 am -
2 stops21h 20m
Wed 3/1012:05 pm -
2 stops22h 21m
Deal found 10/19![Multiple Airlines logo]()
$1,687
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/14:56 pm -
2 stops22h 24m
Tue 6/111:30 am -
2 stops24h 16m
Deal found 10/15![United Airlines logo]()
$1,183
This FlightHub deal was found by Cheapflights users on 10/18. 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.
Mon 2/2210:45 am -
2 stops21h 20m
Thu 2/258:15 am -
2 stops22h 48m
Deal found 10/18![Japan Airlines logo]()
$1,598
This Cheapflightsfares deal was found by Cheapflights users on 10/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/157:22 am -
2 stops25h 43m
Wed 3/177:40 pm -
2 stops31h 52m
Deal found 10/17![Japan Airlines logo]()
$1,719
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/67:05 am -
2 stops25h 10m
Wed 4/218:00 am -
2 stops23h 42m
Deal found 10/16![Japan Airlines logo]()
$1,719
Last-minute flights from Philadelphia to SeoulDiscover last-minute flight deals from Philadelphia to Seoul. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Seoul. Data last updated October 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:10 am -
2 stops21h 40m
Mon 10/266:45 pm -
2 stops24h 20m
Deal found 10/18![Delta logo]()
$1,223
This Japan Airlines deal was found by Cheapflights users on 10/18. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:21 am -
2 stops24h 44m
Wed 11/118:15 am -
2 stops21h 56m
Deal found 10/18![Multiple Airlines logo]()
$1,599
This Orbitz deal was found by Cheapflights users on 10/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:02 am -
1 stop21h 33m
Mon 11/98:00 pm -
1 stop23h 32m
Deal found 10/16![Alaska Airlines logo]()
$1,098
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop20h 15m
Sat 11/1412:45 pm -
1 stop18h 30m
Deal found 10/19![United Airlines logo]()
$1,168
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sun 11/16:00 am -
1 stop20h 15m
Sun 11/226:00 pm -
1 stop18h 49m
Deal found 10/14![United Airlines logo]()
$1,179
This CheapOair deal was found by Cheapflights users on 10/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:35 pm -
2 stops32h 35m
Sun 11/228:35 am -
2 stops37h 45m
Deal found 10/14![Multiple Airlines logo]()
$1,455
This Ovago deal was found by Cheapflights users on 10/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:40 am -
2 stops21h 25m
Tue 11/107:40 pm -
2 stops34h 31m
Deal found 10/15![Japan Airlines logo]()
$1,589
This Japan Airlines deal was found by Cheapflights users on 10/18. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:10 am -
2 stops23h 55m
Wed 12/98:15 am -
2 stops24h 15m
Deal found 10/18![Multiple Airlines logo]()
$1,566
This FlightHub deal was found by Cheapflights users on 10/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:15 am -
1 stop19h 10m
Wed 11/186:55 pm -
2 stops33h 44m
Deal found 10/17![Air Canada logo]()
$1,265
This FlightHub deal was found by Cheapflights users on 10/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:20 pm -
2 stops59h 50m
Wed 11/186:55 pm -
2 stops33h 44m
Deal found 10/17![Air Canada logo]()
$1,260
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:21 pm -
1 stop21h 19m
Tue 11/2412:45 pm -
1 stop18h 30m
Deal found 10/19![United Airlines logo]()
$1,158
This FlightHub deal was found by Cheapflights users on 10/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:49 am -
2 stops35h 56m
Mon 11/238:15 am -
2 stops28h 14m
Deal found 10/17![Japan Airlines logo]()
$1,534
One-way flights from Philadelphia to SeoulSearch for one-way flight options from Philadelphia to Seoul. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
Search for one-way flight options from Philadelphia to Seoul. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/206:15 am -
2 stops32h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Mon 11/168:30 am -
2 stops30h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:36 pm -
2 stops50h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$512
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:02 am -
1 stop21h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Alaska Airlines logo]()
$533
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:36 pm -
2 stops27h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$537
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:57 pm -
2 stops28h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![American Airlines logo]()
$539
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Sun 12/68:40 am -
2 stops30h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:42 am -
3 stops31h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$620
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Sun 12/65:40 pm -
3 stops52h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$711
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:40 pm -
3 stops52h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$737
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:40 pm -
3 stops49h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$748
This Booking.com deal was found by Cheapflights users on 10/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:15 am -
2 stops23h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$770
Find flight deals from Philadelphia to Seoul
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Seoul (SEL). 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 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,098 (Orbitz) |
One-way from | $454 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,164 |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Seoul 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 20, 2026.
Use the filters below to find and compare flights from Philadelphia to Seoul that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Wed 1/20
6:15 am-5:10 am
2 stops32h 55m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$454
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Sun 11/15
12:36 pm-5:25 am
2 stops50h 49m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$512
Quickest round-trip
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Mon 11/16
7:00 am-4:45 pm
1 stop19h 45m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$533
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Sat 10/31
7:02 am-5:35 pm
1 stop21h 33m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$533
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Sun 11/1
9:57 pm-4:45 pm
2 stops28h 48m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$539
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Sun 12/6
8:40 am-5:25 am
2 stops30h 45m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$561
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Fri 11/6
7:42 am-5:25 am
3 stops31h 43m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$620
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Sun 11/15
5:05 pm-6:25 pm
1 stop35h 20m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$668
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Sun 11/1
8:50 am-5:25 am
3 stops30h 35m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$672
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Mon 11/16
7:42 am-5:10 am
3 stops31h 28m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$677
Showing 1-10 of 41 resultsSorted by cheapest first
Compare providers for flights from Philadelphia to Seoul
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 Seoul 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Philadelphia-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Seoul flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-Seoul flights, Cheapflights users trust FlightHub the most. FlightHub 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-Seoul 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 Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from Philadelphia with our price prediction graph.
PHL-SEL
PHL-ICN
PHL-GMP
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 Seoul
PHL-SEL
PHL-ICN
PHL-GMP
What is the cheapest month to book a flight from Philadelphia to Seoul?
Currently, January is the cheapest month in which you can book a flight from Philadelphia to Seoul (average of $858). Flying from Philadelphia to Seoul in December is currently the most expensive (average of $1,530). 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.
How much does it cost to fly round-trip from Philadelphia to Seoul?
Airfare is typical for this route at the moment.
Philadelphia to Seoul flights typically cost between $866 and $1,401 in October.The cheapest round-trip price found within the last 5 days was $1,098 on Alaska Airlines (Oct 31-Nov 9).
What’s the top layover airport for flights from Philadelphia to Seoul?
Share of 1-stop round-trip flights from Philadelphia to Seoul chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dallas (DFW) – chosen by Cheapflights users on 50% of 1-stop itineraries from Philadelphia to Seoul on Cheapflights.
What’s the cheapest layover airport for flights from Philadelphia to Seoul?
Average round-trip fare for 1-stop flights from Philadelphia to Seoul, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $865.
What’s the fastest layover option from Philadelphia to Seoul?
Shortest average travel time for 1-stop one-way flights from Philadelphia to Seoul, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via San Francisco (SFO) have the shortest average one-way travel time for 1-stop routes: 19h 50m.
Which airport typically offers the quickest layover for flights from Philadelphia to Seoul?
Average layover duration for 1-stop one-way flights from Philadelphia to Seoul, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 1h 30m.
How far ahead should I book a flight from Philadelphia to Seoul?
To ensure you get the cheapest price possible for a flight from Philadelphia to Seoul, you should look to book at least 18 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Seoul
Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated October 20, 2026.
See what other customers who have flown with Korean Air,Asiana Airlines, andDelta from Philadelphia to Seoul have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.4
Comfort
8.3
Crew
8.7
Food
8.1
Boarding
8.5
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Overall
8.4
Comfort
8.3
Crew
8.7
Food
8.1
Boarding
8.5
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Overall
8.4
Comfort
8.3
Crew
8.7
Food
8.1
Boarding
8.5
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Overall
8.4
Comfort
8.3
Crew
8.7
Food
8.1
Boarding
8.5
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Overall
8.4
Comfort
8.3
Crew
8.7
Food
8.1
Boarding
8.5
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Overall
8.4
Comfort
8.3
Crew
8.7
Food
8.1
Boarding
8.5
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Philadelphia
Popular flights
Seoul flight routes
Alternative routes for Philadelphia to Seoul
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seoul by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Seoul by cabin class
Find flights from Philadelphia to Seoul, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Seoul flights
Browse other Philadelphia and Seoul flight options. Last updated on October 20, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on October 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seoul
Explore flights to Seoul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 20, 2026.
Top 6 airlines flying from Philadelphia to Seoul
Discover the top 6 airlines that operate flights from Philadelphia to Seoul. 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 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$738 | Average$1,216 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$808 | Average$1,231 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$850 | Average$1,425 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$865 | Average$1,056 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$915 | Average$1,228 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$1,129 | Average$1,330 | FlexibilityNo cancel fee | On-time81% |