$427+ Cheap flights from Portland (PDX) 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SEL
Sep 24 — Oct 11
Round-trip
1 adult, Economy
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Find cheap flights from Portland 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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Cheapest flights from Portland to SeoulExplore the most affordable flight options available from Portland to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 25, 2026.
Explore the most affordable flight options available from Portland to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/1910:37 am -
1 stop17h 33m
Sun 10/47:15 pm -
1 stop30h 14m
Deal found 8/20![Multiple Airlines logo]()
$862
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/1910:37 am -
1 stop17h 33m
Fri 10/97:15 pm -
1 stop30h 35m
Deal found 8/20![Multiple Airlines logo]()
$863
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/1910:37 am -
1 stop17h 33m
Sat 9/266:00 pm -
1 stop14h 50m
Deal found 8/20![Multiple Airlines logo]()
$867
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/1910:37 am -
1 stop17h 33m
Wed 10/77:15 pm -
1 stop17h 35m
Deal found 8/20![Multiple Airlines logo]()
$868
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:37 am -
1 stop19h 03m
Fri 10/167:15 pm -
1 stop30h 14m
Deal found 8/22![Multiple Airlines logo]()
$869
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:18 am -
1 stop22h 22m
Mon 10/267:45 pm -
1 stop19h 29m
Deal found 8/22![Multiple Airlines logo]()
$872
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:04 am -
1 stop21h 16m
Wed 11/117:45 pm -
1 stop18h 02m
Deal found 8/21![Multiple Airlines logo]()
$878
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/176:50 pm -
1 stop34h 50m
Mon 9/287:15 pm -
1 stop30h 54m
Deal found 8/24![Multiple Airlines logo]()
$882
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:03 am -
1 stop21h 07m
Wed 10/147:15 pm -
1 stop17h 35m
Deal found 8/22![Multiple Airlines logo]()
$883
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Mon 9/147:03 am -
1 stop22h 37m
Fri 9/257:15 pm -
1 stop34h 35m
Deal found 8/20![Multiple Airlines logo]()
$884
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/202:30 pm -
1 stop36h 15m
Mon 10/57:15 pm -
1 stop17h 35m
Deal found 8/22![Multiple Airlines logo]()
$886
This FlightHub deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:29 pm -
2 stops23h 21m
Wed 10/288:15 pm -
2 stops30h 37m
Deal found 8/25![Multiple Airlines logo]()
$1,176
Best flights from Portland to SeoulDiscover carefully curated flight deals from Portland to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
Discover carefully curated flight deals from Portland to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
This Air Canada deal was found by Cheapflights users on 8/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:45 pm -
1 stop28h 20m
Wed 9/167:45 pm -
2 stops35h 01m
Deal found 8/20![Air Canada logo]()
$1,082
This Qatar Airways deal was found by Cheapflights users on 8/20. 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.
Wed 9/236:20 am -
2 stops37h 05m
Fri 10/91:20 am -
2 stops36h 36m
Deal found 8/20![Qatar Airways logo]()
$1,112
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:05 am -
1 stop19h 30m
Fri 11/138:00 pm -
2 stops17h 47m
Deal found 8/21![Alaska Airlines logo]()
$1,149
This Cathay Pacific deal was found by Cheapflights users on 8/20. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:55 pm -
2 stops26h 45m
Sun 9/203:10 pm -
2 stops38h 41m
Deal found 8/20![Cathay Pacific logo]()
$1,179
This Japan Airlines deal was found by Cheapflights users on 8/23. 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.
Thu 9/107:03 am -
2 stops22h 12m
Mon 9/147:15 pm -
2 stops37h 35m
Deal found 8/23![Japan Airlines logo]()
$1,232
This Gotogate deal was found by Cheapflights users on 8/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:18 am -
2 stops21h 57m
Tue 10/1312:05 pm -
2 stops20h 39m
Deal found 8/21![Multiple Airlines logo]()
$1,525
This Cathay Pacific deal was found by Cheapflights users on 8/20. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:46 pm -
2 stops24h 19m
Wed 10/71:55 am -
2 stops34h 38m
Deal found 8/20![Cathay Pacific logo]()
$1,185
This Qatar Airways deal was found by Cheapflights users on 8/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:09 am -
2 stops41h 56m
Fri 10/161:20 am -
2 stops36h 36m
Deal found 8/22![Qatar Airways logo]()
$1,252
This Cathay Pacific deal was found by Cheapflights users on 8/22. 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.
Sun 9/209:46 pm -
2 stops32h 39m
Sun 10/188:05 pm -
2 stops29h 26m
Deal found 8/22![Cathay Pacific logo]()
$1,185
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:00 am -
1 stop16h 35m
Sun 12/68:00 pm -
2 stops30h 46m
Deal found 8/21![Alaska Airlines logo]()
$1,322
This Japan Airlines deal was found by Cheapflights users on 8/20. 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 9/157:03 am -
2 stops35h 37m
Sun 9/207:15 pm -
2 stops37h 35m
Deal found 8/20![Japan Airlines logo]()
$1,332
This Cathay Pacific deal was found by Cheapflights users on 8/22. 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.
Mon 9/219:46 pm -
2 stops22h 54m
Mon 10/198:00 am -
2 stops28h 33m
Deal found 8/22![Cathay Pacific logo]()
$1,185
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:19 am -
1 stop19h 16m
Sat 12/58:00 pm -
2 stops17h 48m
Deal found 8/23![Alaska Airlines logo]()
$1,322
This Cathay Pacific deal was found by Cheapflights users on 8/22. 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 9/249:20 am -
2 stops21h 05m
Tue 10/138:00 am -
2 stops21h 24m
Deal found 8/22![Cathay Pacific logo]()
$1,191
This Air Canada deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2710:00 am -
2 stops19h 15m
Sun 12/62:25 pm -
2 stops36h 01m
Deal found 8/25![Multiple Airlines logo]()
$1,662
This Japan Airlines deal was found by Cheapflights users on 8/23. 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.
Sun 11/87:04 am -
2 stops22h 01m
Sat 11/1412:05 pm -
2 stops21h 29m
Deal found 8/23![Japan Airlines logo]()
$1,587
This Cathay Pacific deal was found by Cheapflights users on 8/23. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:00 am -
2 stops25h 40m
Fri 12/43:00 pm -
2 stops22h 31m
Deal found 8/23![Cathay Pacific logo]()
$1,291
This Air Canada deal was found by Cheapflights users on 8/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:00 am -
2 stops19h 15m
Sat 11/142:25 pm -
2 stops36h 01m
Deal found 8/21![Multiple Airlines logo]()
$1,886
This Japan Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 11/17:04 am -
2 stops22h 01m
Thu 11/1212:05 pm -
2 stops21h 29m
Deal found 8/20![Japan Airlines logo]()
$1,727
This Gotogate deal was found by Cheapflights users on 8/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:03 am -
2 stops22h 12m
Tue 10/2712:05 pm -
2 stops20h 39m
Deal found 8/21![Japan Airlines logo]()
$1,752
This Japan Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 9/86:35 am -
2 stops22h 40m
Tue 9/228:00 am -
2 stops30h 06m
Deal found 8/24![Multiple Airlines logo]()
$1,944
Last-minute flights from Portland to SeoulDiscover last-minute flight deals from Portland to Seoul. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Seoul. Data last updated August 25, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 8/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:03 am -
2 stops22h 12m
Mon 9/147:15 pm -
2 stops37h 35m
Deal found 8/22![Japan Airlines logo]()
$1,178
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/127:03 am -
1 stop21h 07m
Wed 9/237:15 pm -
1 stop17h 35m
Deal found 8/20![Multiple Airlines logo]()
$888
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Mon 9/147:03 am -
1 stop22h 37m
Fri 9/257:15 pm -
1 stop34h 35m
Deal found 8/20![Multiple Airlines logo]()
$884
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/176:50 pm -
1 stop34h 50m
Mon 9/287:15 pm -
1 stop30h 54m
Deal found 8/24![Multiple Airlines logo]()
$882
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/187:03 am -
1 stop22h 37m
Wed 10/77:15 pm -
1 stop17h 35m
Deal found 8/20![Multiple Airlines logo]()
$887
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/1910:37 am -
1 stop17h 33m
Sun 10/47:15 pm -
1 stop30h 14m
Deal found 8/20![Multiple Airlines logo]()
$862
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/1910:37 am -
1 stop17h 33m
Fri 10/97:15 pm -
1 stop30h 35m
Deal found 8/20![Multiple Airlines logo]()
$863
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/1910:37 am -
1 stop17h 33m
Sat 9/266:00 pm -
1 stop14h 50m
Deal found 8/20![Multiple Airlines logo]()
$867
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/1910:37 am -
1 stop17h 33m
Wed 10/77:15 pm -
1 stop17h 35m
Deal found 8/20![Multiple Airlines logo]()
$868
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:03 am -
1 stop21h 07m
Wed 10/147:15 pm -
1 stop17h 35m
Deal found 8/22![Multiple Airlines logo]()
$883
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/202:30 pm -
1 stop36h 15m
Mon 10/57:15 pm -
1 stop17h 35m
Deal found 8/22![Multiple Airlines logo]()
$886
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:37 am -
1 stop19h 03m
Fri 10/167:15 pm -
1 stop30h 14m
Deal found 8/22![Multiple Airlines logo]()
$869
One-way flights from Portland to SeoulSearch for one-way flight options from Portland to Seoul. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
Search for one-way flight options from Portland to Seoul. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:37 am -
1 stop17h 33m
Deal found 8/21![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Wed 9/2310:37 am -
1 stop19h 03m
Deal found 8/20![Multiple Airlines logo]()
$429
This Ovago deal was found by Cheapflights users on 8/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:30 pm -
1 stop36h 15m
Deal found 8/24![WestJet logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:53 pm -
1 stop35h 47m
Deal found 8/23![Multiple Airlines logo]()
$455
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:32 pm -
1 stop30h 48m
Deal found 8/22![Multiple Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:48 am -
1 stop18h 32m
Deal found 8/22![Multiple Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:18 am -
1 stop22h 22m
Deal found 8/21![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 11/147:04 am -
1 stop21h 16m
Deal found 8/24![Multiple Airlines logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 11/62:50 pm -
1 stop37h 30m
Deal found 8/24![Multiple Airlines logo]()
$485
This Cheapflightsfares deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:03 am -
2 stops22h 12m
Deal found 8/25![Japan Airlines logo]()
$577
This Justfly.com deal was found by Cheapflights users on 8/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:10 am -
2 stops20h 15m
Deal found 8/21![Multiple Airlines logo]()
$589
This American Airlines deal was found by Cheapflights users on 8/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:18 pm -
2 stops22h 22m
Deal found 8/23![Multiple Airlines logo]()
$603
Find flight deals from Portland to Seoul
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 August 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $862 (Kiwi.com) |
One-way from | $427 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,236 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland 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 August 25, 2026.
Use the filters below to find and compare flights from Portland to Seoul that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Thu 9/10
7:45 pm-4:05 pm
1 stop28h 20m
Incheon Intl
Wed 9/16
7:45 pm-2:46 pm
2 stops35h 01m
$1,082
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Wed 9/23
6:20 am-11:25 am
2 stops37h 05m
Incheon Intl
Fri 10/9
1:20 am-9:56 pm
2 stops36h 36m
$1,112
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Thu 11/5
5:05 am-5:35 pm
1 stop19h 30m
Incheon Intl
Fri 11/13
8:00 pm-8:47 pm
2 stops17h 47m
$1,149
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Tue 9/15
5:55 pm-12:40 pm
2 stops26h 45m
Incheon Intl
Sun 9/20
3:10 pm-1:51 pm
2 stops38h 41m
$1,179
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Mon 9/21
9:46 pm-2:05 pm
2 stops24h 19m
Incheon Intl
Wed 10/7
1:55 am-8:33 pm
2 stops34h 38m
$1,185
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 9/20
9:46 pm-10:25 pm
2 stops32h 39m
Incheon Intl
Sun 10/18
8:05 pm-9:31 am
2 stops29h 26m
$1,185
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Mon 9/21
9:46 pm-12:40 pm
2 stops22h 54m
Incheon Intl
Mon 10/19
8:00 am-8:33 pm
2 stops28h 33m
$1,185
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Thu 9/24
9:20 am-10:25 pm
2 stops21h 05m
Incheon Intl
Tue 10/13
8:00 am-1:24 pm
2 stops21h 24m
$1,191
PortlandSeoul
PDX Portland - GMP Seoul Gimpo Intl
PDXGMP
Portland
Thu 9/10
7:03 am-9:15 pm
2 stops22h 12m
Seoul Gimpo Intl
Mon 9/14
7:15 pm-4:50 pm
2 stops37h 35m
$1,232
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 9/20
7:09 am-5:05 pm
2 stops41h 56m
Incheon Intl
Fri 10/16
1:20 am-9:56 pm
2 stops36h 36m
$1,252
Showing 1-10 of 37 resultsSorted by cheapest first
Compare providers for flights from Portland 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 Portland to Seoul in August.
| 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 |
- Most accurate provider: When it comes to deals on Portland-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Seoul flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-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 Portland-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 Portland to Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from Portland with our price prediction graph.
PDX-SEL
PDX-ICN
PDX-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 Portland to Seoul
PDX-SEL
PDX-ICN
PDX-GMP
What is the cheapest month to book a flight from Portland to Seoul?
Currently, April is the cheapest month in which you can book a flight from Portland to Seoul (average of $950). Flying from Portland to Seoul in December is currently the most expensive (average of $1,601). 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 Portland to Seoul?
Airfare is below average for this route at the moment.
Portland to Seoul flights typically cost between $1,044 and $1,440 in September.The cheapest round-trip price found within the last 5 days was $862 on Multiple Airlines (Sep 19-Oct 4).
How far ahead should I book a flight from Portland to Seoul?
The price you pay for your flight from Portland to Seoul may vary depending on when you book. For the best chance of a lower fare, look to book 34 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 August 25, 2026.
See what other customers who have flown with Korean Air,Asiana Airlines, andAlaska Airlines from Portland 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
Food
8.1
Entertainment
8.2
Overall
8.4
Boarding
8.5
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Food
8.1
Entertainment
8.2
Overall
8.4
Boarding
8.5
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Food
8.1
Entertainment
8.2
Overall
8.4
Boarding
8.5
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Food
8.1
Entertainment
8.2
Overall
8.4
Boarding
8.5
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Food
8.1
Entertainment
8.2
Overall
8.4
Boarding
8.5
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Food
8.1
Entertainment
8.2
Overall
8.4
Boarding
8.5
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Related info for your journey
Find useful and relevant information for your journey from Portland 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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Complete your trip
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Search flights from Portland to Seoul by cabin class
Find flights from Portland to Seoul, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Seoul flights
Browse other Portland and Seoul flight options. Last updated on August 25, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on August 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 August 25, 2026.
Top 6 airlines flying from Portland to Seoul
Discover the top 6 airlines that operate flights from Portland 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 August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$134 | Average$1,053 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$791 | Average$1,244 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$881 | Average$1,253 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$915 | Average$1,336 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$916 | Average$1,254 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,155 | Average$1,223 | FlexibilityNo cancel fee | On-time81% |