$431+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SEL
Sep 29 — Oct 61
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Seoul
Cheapest
Best
Last-minute
One-way
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 30, 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 30, 2026.
This Kiwi.com 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 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
Mon 11/237:45 pm -
1 stop17h 55m
Deal found 8/27![Multiple Airlines logo]()
$860
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:18 am -
1 stop22h 02m
Mon 11/97:45 pm -
1 stop18h 02m
Deal found 8/29![Multiple Airlines logo]()
$863
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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
Sat 10/36:00 pm -
1 stop14h 44m
Deal found 8/26![Multiple Airlines logo]()
$866
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/2110:48 am -
1 stop18h 52m
Wed 11/47:45 pm -
1 stop18h 02m
Deal found 8/26![Multiple Airlines logo]()
$867
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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
Wed 11/47:45 pm -
1 stop18h 02m
Deal found 8/26![Multiple Airlines logo]()
$875
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/2110:48 am -
1 stop18h 52m
Sat 11/77:45 pm -
1 stop18h 02m
Deal found 8/26![Multiple Airlines logo]()
$876
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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
Wed 9/307:15 pm -
1 stop17h 35m
Deal found 8/26![Multiple Airlines logo]()
$877
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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
Sat 11/77:45 pm -
1 stop18h 02m
Deal found 8/26![Multiple Airlines logo]()
$883
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:03 am -
1 stop22h 37m
Wed 10/77:15 pm -
1 stop17h 35m
Deal found 8/27![Multiple Airlines logo]()
$885
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:03 am -
2 stops44h 12m
Fri 9/251:50 pm -
2 stops43h 00m
Deal found 8/27![Multiple Airlines logo]()
$1,140
This FlightHub 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 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 8/27![Multiple Airlines logo]()
$1,176
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:03 am -
2 stops22h 12m
Wed 9/912:05 pm -
2 stops20h 45m
Deal found 8/27![Japan Airlines logo]()
$1,198
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 30, 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 30, 2026.
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:53 pm -
2 stops54h 42m
Mon 11/238:00 pm -
2 stops17h 50m
Deal found 8/27![Alaska Airlines logo]()
$996
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.
Thu 9/109:51 am -
1 stop14h 59m
Wed 9/167:00 pm -
1 stop14h 10m
Deal found 8/29![Delta logo]()
$1,108
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:09 am -
2 stops43h 56m
Wed 10/71:20 am -
2 stops37h 42m
Deal found 8/27![Qatar Airways logo]()
$1,142
This China 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:32 pm -
2 stops21h 43m
Sat 10/1012:35 pm -
2 stops26h 27m
Deal found 8/27![Multiple Airlines logo]()
$1,142
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:46 pm -
2 stops22h 54m
Tue 9/153:10 pm -
2 stops38h 41m
Deal found 8/25![Cathay Pacific logo]()
$1,174
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:30 am -
1 stop17h 45m
Sun 12/67:25 pm -
2 stops44h 17m
Deal found 8/25![United Airlines logo]()
$1,198
This Japan 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 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 8/27![Japan Airlines logo]()
$1,232
This Cathay Pacific deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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.
Wed 10/216:18 pm -
2 stops32h 47m
Tue 11/101:45 pm -
2 stops23h 46m
Deal found 8/26![Cathay Pacific logo]()
$1,191
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:20 am -
2 stops44h 45m
Fri 10/91:20 am -
2 stops36h 36m
Deal found 8/27![Qatar Airways logo]()
$1,274
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.
Tue 10/277:18 am -
2 stops22h 47m
Tue 11/1012:05 pm -
2 stops21h 29m
Deal found 8/28![Japan Airlines logo]()
$1,303
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/279:25 am -
1 stop15h 10m
Sun 12/68:00 pm -
2 stops30h 37m
Deal found 8/28![Alaska Airlines logo]()
$1,322
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:46 pm -
2 stops22h 54m
Thu 9/171:55 am -
2 stops27h 56m
Deal found 8/25![Cathay Pacific logo]()
$1,224
This Japan 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:18 am -
2 stops21h 57m
Wed 11/412:05 pm -
2 stops21h 29m
Deal found 8/29![Japan Airlines logo]()
$1,337
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:46 pm -
2 stops24h 19m
Sun 9/131:55 am -
2 stops27h 56m
Deal found 8/25![Cathay Pacific logo]()
$1,228
This Japan 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 am -
2 stops23h 35m
Tue 11/1012:05 pm -
2 stops21h 29m
Deal found 8/29![Multiple Airlines logo]()
$1,578
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:03 am -
2 stops25h 22m
Sun 9/131:55 am -
2 stops27h 56m
Deal found 8/25![Cathay Pacific logo]()
$1,234
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.
Fri 11/2710:00 am -
2 stops19h 15m
Sun 12/62:25 pm -
2 stops36h 01m
Deal found 8/30![Multiple Airlines logo]()
$1,662
This Japan 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:18 am -
2 stops21h 57m
Sat 11/712:05 pm -
2 stops21h 29m
Deal found 8/29![Japan Airlines logo]()
$1,553
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.
Sun 10/187:18 am -
2 stops21h 57m
Sat 10/318:15 am -
2 stops24h 29m
Deal found 8/25![Japan Airlines logo]()
$1,642
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.
Mon 10/127:18 am -
2 stops21h 57m
Mon 10/1912:05 pm -
2 stops20h 39m
Deal found 8/28![Japan Airlines logo]()
$1,700
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 11/87:04 am -
2 stops22h 01m
Sat 11/1412:05 pm -
2 stops21h 29m
Deal found 8/30![Japan Airlines logo]()
$1,709
This Japan 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:03 am -
2 stops22h 12m
Sat 10/1012:05 pm -
2 stops20h 39m
Deal found 8/27![Japan Airlines logo]()
$1,727
Last-minute flights from Portland to SeoulDiscover last-minute flight deals from Portland to Seoul. Data last updated August 30, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Seoul. Data last updated August 30, 2026 and is based on user searches.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am -
1 stop21h 10m
Fri 10/97:15 pm -
1 stop30h 14m
Deal found 8/27![Multiple Airlines logo]()
$912
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am -
1 stop21h 10m
Sun 10/47:15 pm -
1 stop36h 45m
Deal found 8/27![Multiple Airlines logo]()
$914
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am -
1 stop21h 10m
Mon 10/57:15 pm -
1 stop30h 35m
Deal found 8/27![Multiple Airlines logo]()
$917
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:03 am -
1 stop22h 37m
Wed 10/77:15 pm -
1 stop17h 35m
Deal found 8/27![Multiple Airlines logo]()
$885
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:03 am -
1 stop22h 37m
Mon 10/57:15 pm -
1 stop17h 35m
Deal found 8/27![Multiple Airlines logo]()
$895
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:03 am -
1 stop22h 37m
Fri 10/97:15 pm -
1 stop30h 14m
Deal found 8/27![Multiple Airlines logo]()
$916
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:03 am -
1 stop22h 37m
Sat 10/106:00 pm -
1 stop14h 44m
Deal found 8/27![Multiple Airlines logo]()
$918
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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
Sat 10/36:00 pm -
1 stop14h 44m
Deal found 8/26![Multiple Airlines logo]()
$866
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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
Wed 9/307:15 pm -
1 stop17h 35m
Deal found 8/26![Multiple Airlines logo]()
$877
This Kiwi.com 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 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
Wed 10/77:15 pm -
1 stop17h 35m
Deal found 8/27![Multiple Airlines logo]()
$891
This Kiwi.com 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 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
Mon 10/57:15 pm -
1 stop17h 35m
Deal found 8/27![Multiple Airlines logo]()
$901
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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
Sun 10/47:15 pm -
1 stop30h 14m
Deal found 8/26![Multiple Airlines logo]()
$909
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 30, 2026.
Search for one-way flight options from Portland to Seoul. Find affordable one-way fares based on user searches. Data last updated August 30, 2026.
This Ovago 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 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 8/28![WestJet logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/158:37 pm -
1 stop33h 03m
Deal found 8/26![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/167:03 am -
1 stop22h 37m
Deal found 8/26![Multiple Airlines logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 8/26![Multiple Airlines logo]()
$435
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 9/82:30 pm -
3 stops23h 00m
Deal found 8/28![Multiple Airlines logo]()
$438
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:30 pm -
1 stop36h 15m
Deal found 8/29![WestJet logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/217:03 am -
1 stop22h 37m
Deal found 8/26![Multiple Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/122:30 pm -
2 stops23h 00m
Deal found 8/26![Multiple Airlines logo]()
$449
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:10 am -
2 stops20h 15m
Deal found 8/28![Multiple Airlines logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/167:03 am -
3 stops36h 02m
Deal found 8/26![Multiple Airlines logo]()
$559
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/177:03 am -
3 stops34h 07m
Deal found 8/26![Multiple Airlines logo]()
$570
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/217:03 am -
3 stops34h 37m
Deal found 8/26![Multiple Airlines logo]()
$574
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 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $860 (Kiwi.com) |
One-way from | $431 (Ovago) |
Popular in | December |
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 30, 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
Mon 11/2
5:53 pm-5:35 pm
2 stops54h 42m
Incheon Intl
Mon 11/23
8:00 pm-8:50 pm
2 stops17h 50m
$996
Quickest round-trip
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Thu 9/10
9:51 am-4:50 pm
1 stop14h 59m
Incheon Intl
Wed 9/16
7:00 pm-5:10 pm
1 stop14h 10m
$1,108
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Tue 9/22
7:09 am-7:05 pm
2 stops43h 56m
Incheon Intl
Wed 10/7
1:20 am-11:02 pm
2 stops37h 42m
$1,142
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 9/27
9:32 pm-11:15 am
2 stops21h 43m
Incheon Intl
Sat 10/10
12:35 pm-11:02 pm
2 stops26h 27m
$1,142
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Wed 9/9
9:46 pm-12:40 pm
2 stops22h 54m
Incheon Intl
Tue 9/15
3:10 pm-1:51 pm
2 stops38h 41m
$1,174
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Wed 10/21
6:18 pm-7:05 pm
2 stops32h 47m
Incheon Intl
Tue 11/10
1:45 pm-8:31 pm
2 stops23h 46m
$1,191
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sat 12/5
5:30 am-4:15 pm
1 stop17h 45m
Incheon Intl
Sun 12/6
7:25 pm-10:42 pm
2 stops44h 17m
$1,198
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Wed 9/9
9:46 pm-12:40 pm
2 stops22h 54m
Incheon Intl
Thu 9/17
1:55 am-1:51 pm
2 stops27h 56m
$1,224
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Wed 9/9
9:46 pm-2:05 pm
2 stops24h 19m
Incheon Intl
Sun 9/13
1:55 am-1:51 pm
2 stops27h 56m
$1,228
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
Showing 1-10 of 40 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 $1,664). 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 $892 and $1,380 in November.The cheapest round-trip price found within the last 5 days was $860 on Multiple Airlines (Nov 2-Nov 23).
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 70 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 30, 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.
Boarding
8.5
Overall
8.4
Entertainment
8.2
Comfort
8.3
Food
8.1
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Overall
8.4
Entertainment
8.2
Comfort
8.3
Food
8.1
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Overall
8.4
Entertainment
8.2
Comfort
8.3
Food
8.1
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Overall
8.4
Entertainment
8.2
Comfort
8.3
Food
8.1
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Overall
8.4
Entertainment
8.2
Comfort
8.3
Food
8.1
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Overall
8.4
Entertainment
8.2
Comfort
8.3
Food
8.1
Crew
8.7
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Portland
Popular flights
Seoul flight routes
Alternative routes for Portland to Seoul
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seoul by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from 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 30, 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 30, 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 30, 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$988 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$791 | Average$1,250 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$914 | Average$1,253 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$915 | Average$1,336 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$916 | Average$1,260 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,155 | Average$1,223 | FlexibilityNo cancel fee | On-time81% |