$474+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEL
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Seoul with Cheapflights
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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 8, 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 8, 2026.
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:50 am -
2 stops26h 50m
Wed 10/287:45 pm -
2 stops31h 28m
Deal found 9/6![Multiple Airlines logo]()
$953
This Air Canada deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Wed 9/163:25 pm -
1 stop36h 00m
Wed 9/306:00 pm -
1 stop33h 47m
Deal found 9/3![Air Canada logo]()
$1,000
This Trip.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:50 am -
2 stops26h 50m
Sun 10/257:45 pm -
2 stops48h 33m
Deal found 9/3![Multiple Airlines logo]()
$1,008
This Trip.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:50 am -
2 stops26h 50m
Mon 10/267:45 pm -
2 stops31h 28m
Deal found 9/7![Multiple Airlines logo]()
$1,016
This Booking.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:02 am -
1 stop20h 33m
Thu 11/58:00 pm -
1 stop23h 32m
Deal found 9/3![Alaska Airlines logo]()
$1,045
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/65:45 am -
1 stop22h 35m
Sat 12/55:40 pm -
1 stop21h 12m
Deal found 9/4![Delta logo]()
$1,054
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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.
Sun 11/17:20 am -
1 stop19h 00m
Sat 11/146:45 pm -
2 stops18h 55m
Deal found 9/7![Delta logo]()
$1,058
This Alaska Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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.
Fri 10/96:41 pm -
1 stop33h 49m
Sun 12/68:00 pm -
1 stop23h 27m
Deal found 9/4![Alaska Airlines logo]()
$1,062
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 9/95:00 am -
1 stop21h 45m
Wed 9/165:50 pm -
1 stop18h 31m
Deal found 9/4![American Airlines logo]()
$1,079
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 9/97:00 am -
2 stops25h 15m
Wed 9/168:00 am -
2 stops23h 42m
Deal found 9/4![Multiple Airlines logo]()
$1,397
This Cheapflightsfares deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 stops21h 39m
Deal found 9/5![Japan Airlines logo]()
$1,470
This Justfly.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/19:50 pm -
2 stops46h 55m
Sun 11/87:40 pm -
2 stops40h 50m
Deal found 9/4![Japan Airlines logo]()
$1,507
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 8, 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 8, 2026.
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/206:10 am -
1 stop21h 15m
Tue 10/279:35 am -
1 stop22h 43m
Deal found 9/4![Delta logo]()
$1,054
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/186:00 am -
1 stop20h 00m
Sun 10/256:00 pm -
1 stop26h 39m
Deal found 9/3![United Airlines logo]()
$1,406
This EVA Air deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:41 pm -
2 stops27h 19m
Tue 12/811:40 am -
3 stops38h 34m
Deal found 9/3![Multiple Airlines logo]()
$1,468
This Japan Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/3![Japan Airlines logo]()
$1,576
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 11/75:45 am -
2 stops22h 00m
Sat 11/216:45 pm -
2 stops18h 30m
Deal found 9/3![Delta logo]()
$1,058
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/65:20 am -
1 stop19h 50m
Tue 12/86:45 pm -
2 stops19h 09m
Deal found 9/3![Delta logo]()
$1,058
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Sun 11/85:45 am -
2 stops22h 00m
Tue 11/176:45 pm -
2 stops18h 55m
Deal found 9/3![Delta logo]()
$1,058
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/175:29 pm -
2 stops21h 46m
Sat 10/316:45 pm -
2 stops28h 15m
Deal found 9/5![Delta logo]()
$1,058
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 12/226:51 pm -
3 stops55h 24m
Fri 1/2212:45 pm -
1 stop18h 13m
Deal found 9/4![United Airlines logo]()
$1,458
This Japan Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 11/39:22 am -
2 stops22h 43m
Tue 11/108:15 am -
2 stops21h 56m
Deal found 9/5![Multiple Airlines logo]()
$1,577
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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.
Thu 10/16:15 am -
2 stops22h 05m
Mon 11/29:35 am -
1 stop16h 12m
Deal found 9/7![Delta logo]()
$1,090
This Expedia deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/110:30 am -
2 stops34h 15m
Wed 3/107:40 pm -
2 stops32h 57m
Deal found 9/7![Japan Airlines logo]()
$1,624
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/25:45 am -
2 stops22h 05m
Mon 10/197:00 pm -
2 stops24h 05m
Deal found 9/7![Delta logo]()
$1,090
This Japan Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 1/138:20 am -
2 stops23h 45m
Sun 1/2412:05 pm -
2 stops22h 30m
Deal found 9/6![Multiple Airlines logo]()
$1,614
This Cheapflightsfares deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 3/37:25 am -
2 stops24h 40m
Wed 3/108:15 am -
2 stops22h 18m
Deal found 9/7![Japan Airlines logo]()
$1,679
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 1/257:00 am -
1 stop19h 20m
Mon 2/155:40 pm -
1 stop16h 57m
Deal found 9/5![Delta logo]()
$1,118
This Japan Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 3/19:21 am -
2 stops22h 44m
Wed 3/1712:05 pm -
2 stops24h 45m
Deal found 9/7![Multiple Airlines logo]()
$1,654
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/29:00 am -
2 stops23h 15m
Sun 10/118:00 am -
2 stops23h 44m
Deal found 9/5![Multiple Airlines logo]()
$1,659
Last-minute flights from Philadelphia to SeoulDiscover last-minute flight deals from Philadelphia to Seoul. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Seoul. Data last updated September 8, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 9/95:00 am -
1 stop21h 45m
Wed 9/165:50 pm -
1 stop18h 31m
Deal found 9/4![American Airlines logo]()
$1,079
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 9/97:00 am -
2 stops25h 15m
Wed 9/168:00 am -
2 stops23h 42m
Deal found 9/4![Multiple Airlines logo]()
$1,397
This Cheapflightsfares deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 stops21h 39m
Deal found 9/5![Japan Airlines logo]()
$1,470
This Air Canada deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Wed 9/163:25 pm -
1 stop36h 00m
Wed 9/306:00 pm -
1 stop33h 47m
Deal found 9/3![Air Canada logo]()
$1,000
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/65:45 am -
1 stop22h 35m
Tue 12/88:35 pm -
1 stop17h 19m
Deal found 9/3![Delta logo]()
$1,054
This Alaska Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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.
Fri 10/96:41 pm -
1 stop33h 49m
Sat 12/58:00 pm -
1 stop23h 27m
Deal found 9/4![Alaska Airlines logo]()
$1,062
This Booking.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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.
Sat 10/107:02 am -
1 stop21h 28m
Sun 10/187:35 pm -
1 stop35h 03m
Deal found 9/4![Alaska Airlines logo]()
$1,045
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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.
Wed 10/146:10 am -
2 stops22h 10m
Wed 10/288:35 pm -
2 stops25h 25m
Deal found 9/7![Delta logo]()
$1,058
This Trip.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:50 am -
2 stops26h 50m
Sun 10/257:45 pm -
2 stops48h 33m
Deal found 9/3![Multiple Airlines logo]()
$1,008
This Trip.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:50 am -
2 stops26h 50m
Mon 10/267:45 pm -
2 stops31h 28m
Deal found 9/7![Multiple Airlines logo]()
$1,016
This Cheapflightsfares deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/195:43 am -
2 stops26h 32m
Mon 10/267:40 pm -
2 stops32h 10m
Deal found 9/6![Japan Airlines logo]()
$1,522
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:50 am -
2 stops26h 50m
Wed 10/287:45 pm -
2 stops31h 28m
Deal found 9/6![Multiple Airlines logo]()
$953
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 8, 2026.
Search for one-way flight options from Philadelphia to Seoul. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Orbitz deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Thu 9/177:00 am -
1 stop21h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Air Canada logo]()
$474
This Justfly.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/163:25 pm -
1 stop36h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Air Canada logo]()
$479
This FlightHub deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 9/237:00 am -
2 stops44h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Air Canada logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:20 pm -
2 stops47h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/235:22 pm -
2 stops47h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:22 pm -
3 stops39h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$503
This Air Canada deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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.
Mon 9/213:25 pm -
1 stop36h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Air Canada logo]()
$508
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/149:27 am -
1 stop29h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$509
This Travelocity deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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.
Fri 9/187:00 am -
1 stop21h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Air Canada logo]()
$512
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 9/178:41 am -
3 stops46h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$672
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/287:00 am -
2 stops21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$683
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 9/186:00 am -
3 stops42h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$700
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 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $953 (Trip.com) |
One-way from | $474 (Orbitz) |
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 8, 2026.
Use the filters below to find and compare flights from Philadelphia to Seoul that are best for you.
Fly from
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Route
Depart
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Cheapest round-trip
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Mon 9/14
9:27 am-4:20 am
1 stop29h 53m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$509
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Thu 9/24
9:27 am-4:20 am
1 stop29h 53m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$509
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Sat 10/31
5:20 pm-9:20 pm
3 stops39h 00m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$513
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Fri 10/23
5:22 pm-8:10 pm
3 stops37h 48m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$523
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Mon 9/28
8:23 pm-3:45 pm
1 stop30h 22m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$524
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Wed 9/30
10:00 pm-3:45 pm
2 stops28h 45m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$530
Quickest round-trip
PhiladelphiaIncheon
PHL Philadelphia - ICN Incheon Intl
PHLICN
Philadelphia
Mon 9/28
6:15 am-4:50 pm
2 stops21h 35m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$538
PhiladelphiaSeoul
PHL Philadelphia - GMP Seoul Gimpo Intl
PHLGMP
Philadelphia
Mon 9/28
7:00 am-5:55 pm
2 stops21h 55m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$683
PhiladelphiaSeoul
PHL Philadelphia - GMP Seoul Gimpo Intl
PHLGMP
Philadelphia
Wed 9/16
8:25 pm-12:25 pm
3 stops51h 00m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$716
PhiladelphiaSeoul
PHL Philadelphia - GMP Seoul Gimpo Intl
PHLGMP
Philadelphia
Wed 9/23
10:38 am-9:15 pm
2 stops21h 37m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$719
Showing 1-10 of 34 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 below average for this route at the moment.
Philadelphia to Seoul flights typically cost between $1,021 and $1,346 in October.The cheapest round-trip price found within the last 5 days was $953 on Multiple Airlines (Oct 21-Oct 28).
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 55 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 8, 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.
Crew
8.7
Entertainment
8.2
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Entertainment
8.2
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Entertainment
8.2
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Entertainment
8.2
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Entertainment
8.2
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Entertainment
8.2
Boarding
8.5
Comfort
8.3
Overall
8.4
Food
8.1
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 8, 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 8, 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 8, 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 8, 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$996 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$850 | Average$1,289 | 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% |