$490+ Cheap flights from Philadelphia (PHL) to Seoul (SEL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEL
Oct 2 — Oct 91
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 September 2, 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 September 2, 2026.
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:49 pm -
1 stop25h 11m
Sat 9/127:00 pm -
1 stop23h 50m
Deal found 8/31![Delta logo]()
$1,054
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:45 am -
2 stops29h 55m
Wed 11/1812:45 pm -
1 stop18h 30m
Deal found 9/1![United Airlines logo]()
$1,057
This Mytrip deal was found by Cheapflights users on 8/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:05 am -
2 stops23h 30m
Wed 9/167:25 am -
2 stops28h 21m
Deal found 8/28![Multiple Airlines logo]()
$1,063
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:21 pm -
1 stop31h 54m
Wed 11/1812:45 pm -
1 stop18h 30m
Deal found 9/1![United Airlines logo]()
$1,065
This FlightHub deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:25 pm -
1 stop36h 00m
Mon 11/26:55 pm -
2 stops33h 49m
Deal found 8/31![Air Canada logo]()
$1,066
This Priceline deal was found by Cheapflights users on 8/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:20 pm -
2 stops34h 45m
Wed 9/305:45 pm -
2 stops34h 02m
Deal found 8/27![Air Canada logo]()
$1,070
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:40 pm -
2 stops54h 45m
Mon 11/306:30 pm -
2 stops33h 36m
Deal found 8/29![United Airlines logo]()
$1,072
This American Airlines deal was found by Cheapflights users on 8/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:00 am -
1 stop21h 45m
Wed 9/165:50 pm -
1 stop19h 32m
Deal found 8/28![American Airlines logo]()
$1,079
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:54 pm -
1 stop23h 06m
Mon 11/25:40 pm -
1 stop21h 15m
Deal found 8/31![Delta logo]()
$1,081
This Travelocity deal was found by Cheapflights users on 8/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:43 am -
2 stops26h 32m
Wed 9/168:10 am -
2 stops27h 36m
Deal found 8/28![Multiple Airlines logo]()
$1,339
This Orbitz deal was found by Cheapflights users on 8/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:00 am -
2 stops25h 15m
Wed 9/98:00 am -
2 stops45h 43m
Deal found 8/28![Japan Airlines logo]()
$1,385
This Cheapflightsfares deal was found by Cheapflights users on 8/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:00 am -
2 stops23h 15m
Tue 9/158:00 am -
2 stops23h 20m
Deal found 8/30![Japan Airlines logo]()
$1,470
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 September 2, 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 September 2, 2026.
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:38 pm -
1 stop23h 02m
Wed 11/116:00 pm -
1 stop27h 39m
Deal found 8/27![United Airlines logo]()
$1,057
This Delta deal was found by Cheapflights users on 8/28. 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.
Sat 9/129:35 am -
1 stop17h 50m
Tue 9/297:40 pm -
1 stop17h 16m
Deal found 8/28![Delta logo]()
$1,111
This Orbitz deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/139:15 am -
2 stops23h 15m
Thu 1/217:45 am -
2 stops29h 11m
Deal found 9/1![Multiple Airlines logo]()
$1,446
This Cheapflightsfares deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:25 am -
2 stops24h 50m
Mon 11/238:15 am -
2 stops21h 49m
Deal found 8/31![Japan Airlines logo]()
$1,513
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:48 pm -
2 stops23h 32m
Tue 12/1512:45 pm -
1 stop18h 13m
Deal found 8/29![United Airlines logo]()
$1,097
This Delta deal was found by Cheapflights users on 8/28. 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 9/149:35 am -
1 stop17h 50m
Fri 9/257:40 pm -
1 stop17h 16m
Deal found 8/28![Delta logo]()
$1,111
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:27 am -
1 stop29h 53m
Wed 10/286:00 pm -
1 stop26h 39m
Deal found 8/31![United Airlines logo]()
$1,097
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:54 pm -
1 stop23h 06m
Mon 11/25:40 pm -
1 stop21h 15m
Deal found 8/27![Delta logo]()
$1,111
This United Airlines deal was found by Cheapflights users on 8/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:27 am -
1 stop29h 53m
Fri 10/1611:30 am -
1 stop18h 51m
Deal found 8/30![United Airlines logo]()
$1,106
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:00 am -
1 stop20h 15m
Thu 11/1912:45 pm -
1 stop24h 04m
Deal found 9/1![United Airlines logo]()
$1,107
This Travelocity deal was found by Cheapflights users on 8/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/184:20 pm -
2 stops41h 05m
Sun 10/257:40 pm -
2 stops32h 10m
Deal found 8/30![Multiple Airlines logo]()
$1,536
This Japan Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:22 am -
2 stops22h 43m
Thu 11/58:15 am -
2 stops21h 56m
Deal found 9/1![Japan Airlines logo]()
$1,576
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:00 am -
2 stops40h 15m
Sat 11/146:30 pm -
2 stops29h 15m
Deal found 9/1![United Airlines logo]()
$1,111
This Japan Airlines deal was found by Cheapflights users on 8/28. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:15 am -
2 stops23h 50m
Sat 11/1412:05 pm -
2 stops22h 59m
Deal found 8/28![Multiple Airlines logo]()
$1,613
This Cheapflightsfares deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:06 am -
2 stops25h 09m
Wed 10/288:15 am -
2 stops21h 18m
Deal found 9/1![Japan Airlines logo]()
$1,653
This Japan Airlines deal was found by Cheapflights users on 8/30. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:10 am -
2 stops23h 55m
Sat 11/1412:05 pm -
2 stops22h 59m
Deal found 8/30![Multiple Airlines logo]()
$1,665
This Japan Airlines deal was found by Cheapflights users on 8/30. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:00 am -
2 stops23h 15m
Sun 10/1112:05 pm -
2 stops24h 27m
Deal found 8/30![Multiple Airlines logo]()
$1,734
Last-minute flights from Philadelphia to SeoulDiscover last-minute flight deals from Philadelphia to Seoul. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Seoul. Data last updated September 2, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 8/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:25 pm -
1 stop36h 00m
Mon 11/26:55 pm -
2 stops33h 49m
Deal found 8/28![Air Canada logo]()
$1,065
This American Airlines deal was found by Cheapflights users on 8/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:00 am -
1 stop21h 45m
Wed 9/165:50 pm -
1 stop19h 32m
Deal found 8/28![American Airlines logo]()
$1,079
This American Airlines deal was found by Cheapflights users on 8/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:01 pm -
2 stops28h 44m
Wed 9/95:50 pm -
2 stops25h 52m
Deal found 8/28![American Airlines logo]()
$1,083
This Orbitz deal was found by Cheapflights users on 8/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:00 am -
2 stops25h 15m
Wed 9/98:00 am -
2 stops45h 43m
Deal found 8/28![Japan Airlines logo]()
$1,385
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:49 pm -
1 stop25h 11m
Sat 9/127:00 pm -
1 stop23h 50m
Deal found 8/31![Delta logo]()
$1,054
This Travelocity deal was found by Cheapflights users on 8/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:43 am -
2 stops26h 32m
Wed 9/168:10 am -
2 stops27h 36m
Deal found 8/28![Multiple Airlines logo]()
$1,339
This Mytrip deal was found by Cheapflights users on 8/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:05 am -
2 stops23h 30m
Wed 9/167:25 am -
2 stops28h 21m
Deal found 8/28![Multiple Airlines logo]()
$1,063
This Cheapflightsfares deal was found by Cheapflights users on 8/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:00 am -
2 stops23h 15m
Tue 9/158:00 am -
2 stops23h 20m
Deal found 8/30![Japan Airlines logo]()
$1,470
This Priceline deal was found by Cheapflights users on 8/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:20 pm -
2 stops34h 45m
Wed 9/305:45 pm -
2 stops34h 02m
Deal found 8/27![Air Canada logo]()
$1,070
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:54 pm -
1 stop23h 06m
Mon 11/25:40 pm -
1 stop21h 15m
Deal found 8/31![Delta logo]()
$1,081
This United Airlines deal was found by Cheapflights users on 8/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:34 am -
2 stops29h 46m
Wed 10/2811:45 am -
2 stops22h 55m
Deal found 8/28![United Airlines logo]()
$1,061
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:30 pm -
1 stop20h 50m
Mon 11/236:00 pm -
1 stop27h 39m
Deal found 8/31![United Airlines logo]()
$1,057
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 September 2, 2026.
Search for one-way flight options from Philadelphia to Seoul. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This Air Canada deal was found by Cheapflights users on 8/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:25 pm -
2 stops35h 40m
Deal found 8/30![Air Canada logo]()
$490
This FlightHub deal was found by Cheapflights users on 8/30. 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.
Mon 9/73:25 pm -
1 stop36h 00m
Deal found 8/30![Air Canada logo]()
$500
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:40 pm -
2 stops30h 40m
Deal found 8/29![United Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 8/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:00 am -
1 stop21h 45m
Deal found 8/29![American Airlines logo]()
$524
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:10 pm -
2 stops28h 35m
Deal found 8/31![American Airlines logo]()
$530
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/158:41 am -
3 stops31h 49m
Deal found 8/28![Multiple Airlines logo]()
$532
This United Airlines deal was found by Cheapflights users on 8/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:16 am -
3 stops43h 44m
Deal found 8/30![United Airlines logo]()
$534
This Delta deal was found by Cheapflights users on 8/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:15 am -
2 stops21h 35m
Deal found 8/29![Delta logo]()
$538
This Travelocity deal was found by Cheapflights users on 8/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/114:20 pm -
2 stops46h 50m
Deal found 8/28![Multiple Airlines logo]()
$552
This American Airlines deal was found by Cheapflights users on 8/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:23 pm -
1 stop30h 22m
Deal found 8/27![American Airlines logo]()
$569
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:45 am -
2 stops22h 05m
Deal found 8/27![Delta logo]()
$588
This Expedia deal was found by Cheapflights users on 8/28. 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.
Fri 10/167:00 am -
2 stops26h 20m
Deal found 8/28![Multiple Airlines logo]()
$673
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 September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,057 (United Airlines) |
One-way from | $490 (Air Canada) |
Popular in | December |
Cheapest in | February |
Average price | $1,283 |
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 September 2, 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 11/4
4:38 pm-5:40 am
1 stop23h 02m
Incheon Intl
Wed 11/11
6:00 pm-7:39 am
1 stop27h 39m
$1,057
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Tue 9/15
3:48 pm-4:20 am
2 stops23h 32m
Incheon Intl
Tue 12/15
12:45 pm-4:58 pm
1 stop18h 13m
$1,097
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Wed 10/14
9:27 am-4:20 am
1 stop29h 53m
Incheon Intl
Wed 10/28
6:00 pm-7:39 am
1 stop26h 39m
$1,097
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Wed 9/16
9:27 am-4:20 am
1 stop29h 53m
Incheon Intl
Fri 10/16
11:30 am-5:21 pm
1 stop18h 51m
$1,106
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Sat 11/7
6:00 am-4:15 pm
1 stop20h 15m
Incheon Intl
Thu 11/19
12:45 pm-10:49 pm
1 stop24h 04m
$1,107
Quickest round-trip
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Sat 9/12
9:35 am-4:25 pm
1 stop17h 50m
Incheon Intl
Tue 9/29
7:40 pm-11:56 pm
1 stop17h 16m
$1,111
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Mon 9/14
9:35 am-4:25 pm
1 stop17h 50m
Incheon Intl
Fri 9/25
7:40 pm-11:56 pm
1 stop17h 16m
$1,111
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Tue 9/29
3:54 pm-4:00 am
1 stop23h 06m
Incheon Intl
Mon 11/2
5:40 pm-12:55 am
1 stop21h 15m
$1,111
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Sun 11/1
10:00 am-4:15 pm
2 stops40h 15m
Incheon Intl
Sat 11/14
6:30 pm-9:45 am
2 stops29h 15m
$1,111
PhiladelphiaSeoul
PHL Philadelphia - GMP Seoul Gimpo Intl
PHLGMP
Philadelphia
Wed 1/13
9:15 am-10:30 pm
2 stops23h 15m
Seoul Gimpo Intl
Thu 1/21
7:45 am-10:56 pm
2 stops29h 11m
$1,446
Showing 1-10 of 36 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 September.
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 $1,683). 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 $1,021 and $1,346 in November.The cheapest round-trip price found within the last 5 days was $1,057 on United Airlines (Nov 3-Nov 19).
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 33% 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 Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 19h 05m.
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 53 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 September 2, 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.
Entertainment
8.2
Comfort
8.3
Crew
8.7
Boarding
8.5
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Comfort
8.3
Crew
8.7
Boarding
8.5
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Comfort
8.3
Crew
8.7
Boarding
8.5
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Comfort
8.3
Crew
8.7
Boarding
8.5
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Comfort
8.3
Crew
8.7
Boarding
8.5
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Comfort
8.3
Crew
8.7
Boarding
8.5
Food
8.1
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
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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 September 2, 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 September 2, 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 September 2, 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 September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$738 | Average$1,216 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$789 | Average$1,190 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$845 | Average$972 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$850 | Average$1,278 | 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% |