$445+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SEL
Nov 18 — Nov 251
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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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
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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 October 19, 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 October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 11/97:00 am -
1 stop15h 55m
Tue 11/247:40 pm -
1 stop18h 16m
Deal found 10/16![Korean Air logo]()
$893
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:45 am -
1 stop17h 35m
Tue 11/246:45 pm -
1 stop15h 26m
Deal found 10/17![Delta logo]()
$908
This Korean Air deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:59 pm -
1 stop16h 21m
Sun 11/224:10 pm -
1 stop14h 25m
Deal found 10/18![Korean Air logo]()
$912
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:31 pm -
1 stop33h 14m
Thu 11/126:40 pm -
1 stop14h 49m
Deal found 10/18![Delta logo]()
$914
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 11/147:00 am -
1 stop15h 55m
Sat 11/217:40 pm -
1 stop18h 38m
Deal found 10/17![Korean Air logo]()
$942
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:35 am -
1 stop17h 45m
Fri 11/206:45 pm -
1 stop20h 12m
Deal found 10/18![Delta logo]()
$958
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 12/210:56 am -
1 stop17h 24m
Wed 12/97:45 pm -
1 stop17h 32m
Deal found 10/18![Multiple Airlines logo]()
$983
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 11/115:53 pm -
1 stop18h 17m
Wed 11/189:00 pm -
1 stop16h 47m
Deal found 10/14![Multiple Airlines logo]()
$989
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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
Fri 11/67:45 pm -
1 stop30h 43m
Deal found 10/14![Multiple Airlines logo]()
$995
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:37 pm -
1 stop33h 43m
Wed 11/117:45 pm -
1 stop18h 02m
Deal found 10/15![Multiple Airlines logo]()
$1,000
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 11/47:45 pm -
1 stop18h 02m
Deal found 10/14![Multiple Airlines logo]()
$1,004
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 October 19, 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 October 19, 2026.
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:33 am -
1 stop17h 47m
Thu 11/126:40 pm -
1 stop16h 34m
Deal found 10/17![Delta logo]()
$908
This Alaska Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 1/116:10 pm -
2 stops54h 25m
Fri 1/228:00 pm -
2 stops30h 26m
Deal found 10/16![Alaska Airlines logo]()
$1,038
This Korean Air deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:51 pm -
1 stop18h 29m
Fri 12/47:40 pm -
1 stop16h 01m
Deal found 10/16![Korean Air logo]()
$1,112
This Cathay Pacific deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 10/307:15 am -
2 stops25h 25m
Thu 11/53:00 pm -
2 stops22h 37m
Deal found 10/14![Cathay Pacific logo]()
$1,221
This Alaska Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 1/295:55 pm -
2 stops30h 40m
Thu 2/48:00 pm -
2 stops30h 31m
Deal found 10/19![Alaska Airlines logo]()
$1,055
This Cathay Pacific deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 10/307:15 am -
2 stops25h 25m
Tue 11/33:00 pm -
2 stops22h 37m
Deal found 10/14![Cathay Pacific logo]()
$1,221
This Alaska Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” 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 2/106:25 am -
1 stop18h 10m
Thu 2/258:00 pm -
2 stops30h 46m
Deal found 10/15![Alaska Airlines logo]()
$1,205
This Cathay Pacific deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 10/297:15 am -
2 stops25h 25m
Fri 11/63:00 pm -
2 stops22h 37m
Deal found 10/14![Cathay Pacific logo]()
$1,221
This Alaska Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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.
Sun 11/87:08 am -
1 stop17h 27m
Sun 11/228:00 pm -
2 stops17h 50m
Deal found 10/18![Alaska Airlines logo]()
$1,206
This Cathay Pacific deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 10/307:15 am -
2 stops25h 25m
Wed 11/43:00 pm -
2 stops22h 37m
Deal found 10/14![Cathay Pacific logo]()
$1,221
This Alaska Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 2/112:30 pm -
2 stops34h 05m
Sun 3/78:00 pm -
2 stops29h 58m
Deal found 10/14![Alaska Airlines logo]()
$1,240
This Cathay Pacific deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 10/307:15 am -
2 stops25h 25m
Fri 11/63:00 pm -
2 stops22h 37m
Deal found 10/14![Cathay Pacific logo]()
$1,271
Last-minute flights from Portland to SeoulDiscover last-minute flight deals from Portland to Seoul. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Seoul. Data last updated October 19, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:37 pm -
1 stop33h 43m
Wed 11/117:45 pm -
1 stop18h 02m
Deal found 10/15![Multiple Airlines logo]()
$1,000
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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
Fri 11/67:45 pm -
1 stop30h 43m
Deal found 10/14![Multiple Airlines logo]()
$995
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 11/47:45 pm -
1 stop18h 02m
Deal found 10/14![Multiple Airlines logo]()
$1,004
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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
Fri 11/67:45 pm -
1 stop30h 43m
Deal found 10/14![Multiple Airlines logo]()
$1,005
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:31 pm -
1 stop33h 14m
Thu 11/126:40 pm -
1 stop14h 49m
Deal found 10/18![Delta logo]()
$914
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:35 am -
1 stop17h 45m
Fri 11/206:45 pm -
1 stop20h 12m
Deal found 10/18![Delta logo]()
$958
This Korean Air deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:59 pm -
1 stop16h 21m
Sun 11/224:10 pm -
1 stop14h 25m
Deal found 10/18![Korean Air logo]()
$912
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 11/97:00 am -
1 stop15h 55m
Tue 11/247:40 pm -
1 stop18h 16m
Deal found 10/16![Korean Air logo]()
$893
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:45 am -
1 stop17h 35m
Tue 11/246:45 pm -
1 stop15h 26m
Deal found 10/17![Delta logo]()
$908
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” 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 11/115:53 pm -
1 stop18h 17m
Wed 11/189:00 pm -
1 stop16h 47m
Deal found 10/14![Multiple Airlines logo]()
$989
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 11/147:00 am -
1 stop15h 55m
Sat 11/217:40 pm -
1 stop18h 38m
Deal found 10/17![Korean Air logo]()
$942
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 October 19, 2026.
Search for one-way flight options from Portland to Seoul. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 11/107:35 pm -
1 stop16h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Korean Air logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 1/1410:59 pm -
2 stops29h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 1/277:09 am -
1 stop21h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 1/92:46 pm -
1 stop37h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 1/1110:59 am -
1 stop17h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 1/2910:59 am -
1 stop17h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$466
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 1/155:55 pm -
1 stop34h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 1/282:46 pm -
1 stop37h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/37:51 pm -
1 stop27h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/1012:02 pm -
2 stops40h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$476
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 October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $866 (Air Canada) |
One-way from | $445 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,279 |
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 October 19, 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 1/9
2:46 pm-9:20 pm
1 stop37h 34m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$462
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Fri 1/15
5:55 pm-9:20 pm
1 stop34h 25m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$467
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Thu 1/28
4:29 pm-4:20 pm
2 stops30h 51m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$516
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Fri 4/16
10:30 am-9:40 pm
1 stop19h 10m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$583
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sat 11/21
7:57 pm-5:30 am
3 stops40h 33m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$606
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 11/1
5:50 pm-8:20 pm
1 stop33h 30m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$612
Quickest round-trip
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sat 11/21
5:29 pm-4:20 am
1 stop17h 51m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$641
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Fri 11/6
9:59 pm-12:50 pm
3 stops45h 51m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$663
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Fri 11/20
1:58 pm-5:30 am
3 stops46h 32m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$665
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Thu 3/18
5:35 am-4:15 pm
1 stop18h 40m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$693
Showing 1-10 of 22 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price 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
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
What is the cheapest month to book a flight from Portland to Seoul?
Currently, February is the cheapest month in which you can book a flight from Portland to Seoul (average of $939). Flying from Portland to Seoul in December is currently the most expensive (average of $1,641). 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 $1,086 and $1,631 in November.The cheapest round-trip price found within the last 5 days was $866 on Air Canada (Nov 9-Nov 11).
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 October 19, 2026.
See what other customers who have flown with Korean Air,Asiana Airlines, andDelta 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.
Comfort
8.3
Boarding
8.5
Crew
8.7
Overall
8.4
Entertainment
8.2
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Boarding
8.5
Crew
8.7
Overall
8.4
Entertainment
8.2
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Boarding
8.5
Crew
8.7
Overall
8.4
Entertainment
8.2
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Boarding
8.5
Crew
8.7
Overall
8.4
Entertainment
8.2
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Boarding
8.5
Crew
8.7
Overall
8.4
Entertainment
8.2
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Boarding
8.5
Crew
8.7
Overall
8.4
Entertainment
8.2
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Related info for your journey
Find useful and relevant information for your journey from 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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Alternative routes for Portland to Seoul
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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 October 19, 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 October 19, 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 October 19, 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 October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$1,053 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$792 | Average$1,231 | 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$921 | Average$1,342 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,172 | Average$1,343 | FlexibilityNo cancel fee | On-time81% |