$413+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEL
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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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
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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
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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 25, 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 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 10/21![United Airlines logo]()
$1,149
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/279:00 am -
1 stop41h 15m
Thu 1/2112:45 pm -
1 stop18h 23m
Deal found 10/20![United Airlines logo]()
$1,158
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:45 am -
2 stops29h 55m
Mon 11/166:00 pm -
1 stop27h 39m
Deal found 10/20![United Airlines logo]()
$1,159
This BusinessClass deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:40 pm -
2 stops30h 45m
Tue 12/812:45 pm -
2 stops20h 46m
Deal found 10/24![ANA logo]()
$1,205
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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.
Tue 12/85:00 am -
1 stop21h 45m
Tue 12/156:50 pm -
1 stop18h 23m
Deal found 10/24![American Airlines logo]()
$1,213
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/275:00 am -
1 stop21h 45m
Thu 1/216:50 pm -
1 stop30h 38m
Deal found 10/22![American Airlines logo]()
$1,226
This Cathay Pacific deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
2 stops28h 40m
Mon 11/21:50 pm -
2 stops31h 30m
Deal found 10/22![Multiple Airlines logo]()
$1,252
This CheapOair deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/69:30 am -
2 stops38h 40m
Sun 12/138:35 am -
2 stops38h 04m
Deal found 10/22![Multiple Airlines logo]()
$1,446
This Cheapflightsfares deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/15:49 am -
2 stops26h 16m
Sun 12/138:15 am -
2 stops24h 15m
Deal found 10/22![Japan Airlines logo]()
$1,486
This Cheapflightsfares deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:00 am -
2 stops27h 05m
Fri 12/118:15 am -
2 stops21h 54m
Deal found 10/20![Japan Airlines logo]()
$1,490
This FlightHub deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 12/58:10 am -
2 stops36h 35m
Fri 12/117:40 pm -
2 stops50h 04m
Deal found 10/23![Japan Airlines logo]()
$1,508
This Expedia deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/89:16 am -
2 stops22h 49m
Tue 12/158:15 am -
2 stops21h 54m
Deal found 10/24![Japan Airlines logo]()
$1,510
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 25, 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 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 1/216:14 pm -
1 stop21h 26m
Mon 2/2212:45 pm -
1 stop18h 27m
Deal found 10/23![United Airlines logo]()
$1,149
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/66:00 am -
1 stop20h 50m
Sat 3/207:25 pm -
1 stop27h 02m
Deal found 10/23![Delta logo]()
$1,219
This CheapOair deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/69:30 am -
2 stops38h 40m
Sun 12/138:35 am -
2 stops38h 04m
Deal found 10/22![Multiple Airlines logo]()
$1,446
This Expedia deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1210:46 am -
2 stops21h 19m
Thu 2/257:40 pm -
2 stops36h 48m
Deal found 10/20![Japan Airlines logo]()
$1,470
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 1/179:55 am -
2 stops29h 45m
Thu 1/2812:45 pm -
1 stop18h 23m
Deal found 10/21![United Airlines logo]()
$1,149
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1212:43 pm -
2 stops26h 57m
Thu 2/2512:45 pm -
1 stop18h 13m
Deal found 10/20![United Airlines logo]()
$1,149
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/239:00 am -
1 stop30h 40m
Sat 1/3012:45 pm -
1 stop18h 23m
Deal found 10/20![United Airlines logo]()
$1,149
This FlightHub deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/176:50 pm -
2 stops25h 55m
Thu 1/287:40 pm -
2 stops57h 10m
Deal found 10/21![Japan Airlines logo]()
$1,479
This Japan Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 11/308:10 am -
2 stops23h 55m
Tue 12/88:15 am -
2 stops24h 15m
Deal found 10/24![Multiple Airlines logo]()
$1,532
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 1/133:05 pm -
2 stops24h 35m
Wed 1/2712:45 pm -
2 stops22h 55m
Deal found 10/24![United Airlines logo]()
$1,153
This Cheapflightsfares deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:00 am -
2 stops27h 05m
Fri 12/118:15 am -
2 stops21h 54m
Deal found 10/20![Japan Airlines logo]()
$1,490
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/22:37 pm -
2 stops25h 03m
Wed 3/1012:45 pm -
2 stops24h 16m
Deal found 10/22![United Airlines logo]()
$1,153
This Japan Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:10 am -
2 stops23h 55m
Tue 11/248:15 am -
2 stops24h 17m
Deal found 10/20![Multiple Airlines logo]()
$1,599
This FlightHub deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/239:50 pm -
2 stops34h 15m
Sat 1/307:40 pm -
2 stops40h 52m
Deal found 10/20![Japan Airlines logo]()
$1,507
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 2/139:00 am -
1 stop41h 15m
Wed 2/2412:45 pm -
1 stop18h 27m
Deal found 10/24![United Airlines logo]()
$1,158
This KAYAK deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/119:26 am -
2 stops22h 39m
Mon 1/257:40 pm -
2 stops34h 36m
Deal found 10/23![Japan Airlines logo]()
$1,532
This Cheapflightsfares deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/37:22 am -
2 stops24h 43m
Wed 3/108:15 am -
2 stops22h 48m
Deal found 10/22![Japan Airlines logo]()
$1,679
This Cheapflightsfares deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/117:22 am -
2 stops24h 43m
Mon 4/58:00 am -
2 stops22h 03m
Deal found 10/24![Japan Airlines logo]()
$1,680
Last-minute flights from Philadelphia to SeoulDiscover last-minute flight deals from Philadelphia to Seoul. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Seoul. Data last updated October 25, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Sun 10/256:00 am -
1 stop21h 55m
Mon 10/268:00 pm -
1 stop22h 41m
Deal found 10/21![Multiple Airlines logo]()
$1,270
This Japan Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 10/288:21 am -
2 stops24h 44m
Wed 11/412:05 pm -
2 stops22h 09m
Deal found 10/23![Multiple Airlines logo]()
$1,617
This Cathay Pacific deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
2 stops28h 40m
Mon 11/21:50 pm -
2 stops31h 30m
Deal found 10/22![Multiple Airlines logo]()
$1,252
This Travelocity deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:02 am -
1 stop21h 33m
Sun 11/18:00 pm -
1 stop23h 32m
Deal found 10/20![Alaska Airlines logo]()
$1,321
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 10/21![United Airlines logo]()
$1,149
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:45 am -
2 stops29h 55m
Mon 11/166:00 pm -
1 stop27h 39m
Deal found 10/20![United Airlines logo]()
$1,159
This Qatar Airways deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:45 pm -
1 stop30h 30m
Wed 11/1112:20 am -
1 stop28h 30m
Deal found 10/20![Qatar Airways logo]()
$1,376
This Air Canada deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:05 pm -
2 stops34h 05m
Thu 11/126:55 pm -
2 stops33h 44m
Deal found 10/22![Air Canada logo]()
$1,378
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:15 am -
2 stops30h 15m
Tue 11/247:15 am -
3 stops27h 38m
Deal found 10/20![Multiple Airlines logo]()
$1,337
This Japan Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:10 am -
2 stops23h 55m
Tue 11/248:15 am -
2 stops24h 17m
Deal found 10/20![Multiple Airlines logo]()
$1,599
This BusinessClass deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:40 pm -
2 stops30h 45m
Tue 12/812:45 pm -
2 stops20h 46m
Deal found 10/24![ANA logo]()
$1,205
This Japan Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 11/308:10 am -
2 stops23h 55m
Tue 12/88:15 am -
2 stops24h 15m
Deal found 10/24![Multiple Airlines logo]()
$1,532
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 25, 2026.
Search for one-way flight options from Philadelphia to Seoul. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 1/236:15 am -
2 stops57h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 1/2110:41 am -
2 stops52h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 1/226:15 am -
2 stops33h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 1/266:37 pm -
3 stops36h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$448
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 1/256:37 pm -
2 stops45h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 1/246:37 pm -
2 stops45h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/77:16 am -
2 stops56h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 1/206:37 pm -
3 stops55h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$512
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 11/258:38 pm -
3 stops50h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$657
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/96:14 pm -
3 stops50h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$778
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/86:14 pm -
2 stops52h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$812
This FlightHub deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/169:17 am -
2 stops43h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Japan Airlines logo]()
$841
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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,149 (United Airlines) |
One-way from | $413 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,175 |
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 25, 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
Sun 11/1
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
Tue 2/16
6:37 pm-9:20 pm
3 stops36h 43m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$545
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Fri 1/8
10:51 am-9:20 pm
2 stops44h 29m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$604
PhiladelphiaSeoul
PHL Philadelphia - GMP Seoul Gimpo Intl
PHLGMP
Philadelphia
Wed 11/25
8:38 pm-1:05 pm
3 stops50h 27m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$657
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Sat 1/2
1:49 pm-4:20 pm
3 stops36h 31m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$657
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Fri 1/1
5:15 pm-1:15 pm
3 stops54h 00m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$658
Quickest round-trip
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Tue 2/16
9:15 am-6:25 pm
1 stop19h 10m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$680
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Sun 11/1
3:55 pm-1:50 pm
2 stops31h 55m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$701
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Thu 1/7
9:15 am-6:25 pm
1 stop19h 10m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$749
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Mon 1/25
6:00 am-4:50 pm
1 stop20h 50m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$755
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 $856). 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 $916 and $1,540 in March.The cheapest round-trip price found within the last 5 days was $1,149 on United Airlines (Mar 2-Mar 10).
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 25, 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.
Food
8.1
Comfort
8.3
Entertainment
8.2
Boarding
8.5
Crew
8.7
Overall
8.4
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Comfort
8.3
Entertainment
8.2
Boarding
8.5
Crew
8.7
Overall
8.4
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Comfort
8.3
Entertainment
8.2
Boarding
8.5
Crew
8.7
Overall
8.4
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Comfort
8.3
Entertainment
8.2
Boarding
8.5
Crew
8.7
Overall
8.4
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Comfort
8.3
Entertainment
8.2
Boarding
8.5
Crew
8.7
Overall
8.4
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Comfort
8.3
Entertainment
8.2
Boarding
8.5
Crew
8.7
Overall
8.4
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.
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Alternative routes for Philadelphia to Seoul
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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 25, 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 25, 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 25, 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 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$738 | Average$1,169 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$808 | Average$1,231 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$845 | Average$1,067 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$850 | Average$1,425 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$915 | Average$1,228 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$1,129 | Average$1,330 | FlexibilityNo cancel fee | On-time81% |