$421+ Cheap flights from Portland (PDX) 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SEL
Oct 9 — Oct 161
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 September 9, 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 September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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
Sat 11/217:45 pm -
1 stop18h 35m
Deal found 9/8![Multiple Airlines logo]()
$834
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.
Mon 10/197:18 am -
1 stop22h 22m
Sat 11/77:45 pm -
1 stop18h 02m
Deal found 9/7![Multiple Airlines logo]()
$847
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:04 am -
1 stop21h 16m
Wed 11/187:45 pm -
1 stop18h 02m
Deal found 9/5![Multiple Airlines logo]()
$855
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.
Mon 10/197:18 am -
1 stop22h 22m
Wed 11/47:45 pm -
1 stop18h 02m
Deal found 9/7![Multiple Airlines logo]()
$857
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.
Wed 10/2110:48 am -
1 stop18h 52m
Mon 10/267:45 pm -
1 stop19h 29m
Deal found 9/4![Multiple Airlines logo]()
$861
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 10/237:18 am -
1 stop22h 22m
Sat 11/77:45 pm -
1 stop18h 02m
Deal found 9/7![Multiple Airlines logo]()
$866
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.
Wed 10/2110:48 am -
1 stop18h 52m
Sat 11/77:45 pm -
1 stop18h 02m
Deal found 9/7![Multiple Airlines logo]()
$868
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.
Mon 10/197:18 am -
1 stop22h 22m
Mon 10/267:45 pm -
1 stop19h 29m
Deal found 9/4![Multiple Airlines logo]()
$869
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 10/237:18 am -
1 stop22h 22m
Wed 11/47:45 pm -
1 stop18h 02m
Deal found 9/7![Multiple Airlines logo]()
$877
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.
Wed 10/2110:48 am -
1 stop18h 52m
Wed 11/47:45 pm -
1 stop18h 02m
Deal found 9/7![Multiple Airlines logo]()
$878
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/187:18 am -
1 stop22h 22m
Sat 11/77:45 pm -
1 stop18h 02m
Deal found 9/8![Multiple Airlines logo]()
$897
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 11/910:00 am -
2 stops34h 05m
Wed 11/188:35 am -
2 stops29h 11m
Deal found 9/7![Multiple Airlines logo]()
$992
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 September 9, 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 September 9, 2026.
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:05 am -
2 stops36h 25m
Wed 11/1812:20 am -
2 stops39h 40m
Deal found 9/6![Qatar Airways logo]()
$1,072
This Alaska Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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.
Wed 9/237:09 am -
1 stop18h 21m
Sun 10/47:35 pm -
1 stop18h 21m
Deal found 9/8![Alaska Airlines logo]()
$1,125
This China Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 11/87:35 pm -
2 stops22h 45m
Sat 11/1412:30 pm -
2 stops26h 25m
Deal found 9/9![Multiple Airlines logo]()
$1,154
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:46 pm -
2 stops22h 54m
Sun 10/183:10 pm -
2 stops41h 24m
Deal found 9/5![Cathay Pacific logo]()
$1,165
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:00 am -
1 stop16h 00m
Tue 10/2011:30 am -
1 stop14h 40m
Deal found 9/7![United Airlines logo]()
$1,280
This Japan 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:30 am -
2 stops43h 25m
Tue 10/277:40 pm -
2 stops37h 04m
Deal found 9/4![Japan Airlines logo]()
$1,361
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:20 am -
1 stop19h 10m
Fri 10/237:35 pm -
2 stops29h 54m
Deal found 9/5![Alaska Airlines logo]()
$1,147
This FlightHub deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/143:48 pm -
2 stops29h 02m
Tue 10/277:00 pm -
2 stops34h 32m
Deal found 9/8![Multiple Airlines logo]()
$1,155
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:18 pm -
2 stops37h 07m
Sun 11/17:35 pm -
2 stops35h 15m
Deal found 9/4![Cathay Pacific logo]()
$1,170
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:29 pm -
2 stops53h 01m
Fri 10/236:30 pm -
2 stops53h 58m
Deal found 9/7![Qatar Airways logo]()
$1,245
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:08 am -
2 stops23h 32m
Sun 11/157:35 pm -
2 stops35h 15m
Deal found 9/6![Cathay Pacific logo]()
$1,170
This China Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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.
Mon 11/165:25 pm -
3 stops24h 55m
Tue 11/2412:30 pm -
2 stops26h 24m
Deal found 9/8![Multiple Airlines logo]()
$1,177
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:47 am -
2 stops24h 53m
Fri 11/203:00 pm -
2 stops22h 47m
Deal found 9/6![Cathay Pacific logo]()
$1,220
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.
Wed 10/147:18 am -
2 stops21h 57m
Thu 10/2912:05 pm -
2 stops20h 39m
Deal found 9/5![Japan Airlines logo]()
$1,523
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:18 pm -
2 stops24h 22m
Thu 10/18:05 pm -
2 stops29h 20m
Deal found 9/5![Cathay Pacific logo]()
$1,270
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.
Sun 10/116:30 am -
2 stops43h 25m
Wed 10/288:15 am -
2 stops24h 29m
Deal found 9/7![Japan Airlines logo]()
$1,543
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 11/97:04 am -
2 stops42h 16m
Thu 11/198:15 am -
2 stops25h 19m
Deal found 9/7![Japan Airlines logo]()
$1,564
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 10/276:30 am -
2 stops23h 35m
Tue 11/1012:05 pm -
2 stops21h 29m
Deal found 9/5![Multiple Airlines logo]()
$1,639
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 11/97:04 am -
2 stops42h 16m
Sun 11/158:15 am -
2 stops25h 19m
Deal found 9/7![Japan Airlines logo]()
$1,595
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.
Fri 11/276:45 am -
2 stops22h 20m
Sun 12/68:15 am -
2 stops32h 36m
Deal found 9/5![Multiple Airlines logo]()
$1,679
This Japan 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:30 am -
2 stops43h 25m
Tue 10/277:40 pm -
2 stops37h 04m
Deal found 9/4![Japan Airlines logo]()
$1,621
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.
Sun 10/46:30 am -
2 stops43h 25m
Mon 10/197:15 pm -
2 stops34h 09m
Deal found 9/7![Japan Airlines logo]()
$1,633
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.
Wed 11/117:04 am -
2 stops42h 16m
Tue 11/177:40 pm -
2 stops37h 54m
Deal found 9/7![Japan Airlines logo]()
$1,634
Last-minute flights from Portland to SeoulDiscover last-minute flight deals from Portland to Seoul. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Seoul. Data last updated September 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/187:18 am -
1 stop22h 22m
Sat 11/77:45 pm -
1 stop18h 02m
Deal found 9/8![Multiple Airlines logo]()
$897
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.
Sun 10/187:18 am -
1 stop22h 22m
Wed 11/47:45 pm -
1 stop18h 02m
Deal found 9/7![Multiple Airlines logo]()
$908
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:18 am -
1 stop22h 22m
Sat 10/246:00 pm -
1 stop14h 44m
Deal found 9/5![Multiple Airlines logo]()
$909
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.
Sun 10/187:18 am -
1 stop22h 22m
Mon 10/267:45 pm -
1 stop19h 29m
Deal found 9/4![Multiple Airlines logo]()
$913
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.
Mon 10/197:18 am -
1 stop22h 22m
Sat 11/77:45 pm -
1 stop18h 02m
Deal found 9/7![Multiple Airlines logo]()
$847
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.
Mon 10/197:18 am -
1 stop22h 22m
Wed 11/47:45 pm -
1 stop18h 02m
Deal found 9/7![Multiple Airlines logo]()
$857
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.
Mon 10/197:18 am -
1 stop22h 22m
Mon 10/267:45 pm -
1 stop19h 29m
Deal found 9/4![Multiple Airlines logo]()
$869
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.
Wed 10/2110:48 am -
1 stop18h 52m
Mon 10/267:45 pm -
1 stop19h 29m
Deal found 9/4![Multiple Airlines logo]()
$861
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.
Wed 10/2110:48 am -
1 stop18h 52m
Sat 11/77:45 pm -
1 stop18h 02m
Deal found 9/7![Multiple Airlines logo]()
$868
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.
Wed 10/2110:48 am -
1 stop18h 52m
Wed 11/47:45 pm -
1 stop18h 02m
Deal found 9/7![Multiple Airlines logo]()
$878
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 10/237:18 am -
1 stop22h 22m
Sat 11/77:45 pm -
1 stop18h 02m
Deal found 9/7![Multiple Airlines logo]()
$866
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 10/237:18 am -
1 stop22h 22m
Wed 11/47:45 pm -
1 stop18h 02m
Deal found 9/7![Multiple Airlines logo]()
$877
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 September 9, 2026.
Search for one-way flight options from Portland to Seoul. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
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 10/299:33 pm -
1 stop31h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$421
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:43 pm -
3 stops32h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$428
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.
Thu 11/59:32 pm -
1 stop30h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/307:18 am -
1 stop22h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/257:18 am -
1 stop22h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$465
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/117:09 am -
1 stop21h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$490
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.
Wed 11/185:43 pm -
3 stops35h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$504
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 9/2712:24 pm -
2 stops41h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$510
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:30 am -
2 stops22h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$583
This FlightHub deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:48 am -
2 stops39h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$638
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:58 pm -
2 stops29h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$646
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.
Wed 11/185:43 pm -
3 stops51h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$665
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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $834 (Kiwi.com) |
One-way from | $421 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,090 |
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 September 9, 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
Sat 11/7
5:43 pm-6:45 pm
3 stops32h 02m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$428
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 10/25
8:09 am-5:30 am
2 stops29h 21m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$486
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 9/27
5:10 pm-3:20 pm
1 stop30h 10m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$535
Quickest round-trip
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Tue 9/29
5:40 am-3:20 pm
1 stop17h 40m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$538
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Wed 11/18
10:46 am-5:10 am
1 stop25h 24m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$549
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Tue 10/13
7:37 pm-9:40 pm
1 stop34h 03m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$554
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Thu 11/5
8:08 am-12:40 am
2 stops23h 32m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$583
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sat 9/26
5:53 pm-3:50 pm
2 stops53h 57m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$593
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sat 9/26
11:08 pm-3:45 pm
2 stops24h 37m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$595
PortlandSeoul
PDX Portland - GMP Seoul Gimpo Intl
PDXGMP
Portland
Sun 10/25
10:48 am-6:00 pm
2 stops39h 12m
Seoul Gimpo Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$638
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 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 |
- 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 $1,587). 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 $944 and $1,420 in November.The cheapest round-trip price found within the last 5 days was $834 on Multiple Airlines (Nov 14-Nov 21).
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 69 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 September 9, 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
Food
8.1
Overall
8.4
Comfort
8.3
Crew
8.7
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Food
8.1
Overall
8.4
Comfort
8.3
Crew
8.7
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Food
8.1
Overall
8.4
Comfort
8.3
Crew
8.7
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Food
8.1
Overall
8.4
Comfort
8.3
Crew
8.7
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Food
8.1
Overall
8.4
Comfort
8.3
Crew
8.7
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Food
8.1
Overall
8.4
Comfort
8.3
Crew
8.7
Entertainment
8.2
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 September 9, 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 September 9, 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 9, 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 September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$988 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$791 | Average$1,251 | 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$1,265 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,155 | Average$1,223 | FlexibilityNo cancel fee | On-time81% |