$356+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SEL
Oct 23 — Oct 301
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
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 23, 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 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:48 am -
1 stop18h 32m
Sat 11/77:45 pm -
1 stop18h 02m
Deal found 9/22![Multiple Airlines logo]()
$868
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Sun 11/87:04 am -
1 stop21h 16m
Sun 11/227:45 pm -
1 stop30h 45m
Deal found 9/18![Multiple Airlines logo]()
$900
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:18 am -
1 stop22h 02m
Wed 11/117:45 pm -
1 stop18h 02m
Deal found 9/22![Multiple Airlines logo]()
$905
This Kiwi.com deal was found by Cheapflights users on 9/19. 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.
Tue 11/35:53 pm -
1 stop34h 27m
Tue 11/109:20 am -
2 stops28h 27m
Deal found 9/19![Multiple Airlines logo]()
$916
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:53 pm -
1 stop34h 27m
Sat 11/147:45 pm -
1 stop18h 02m
Deal found 9/22![Multiple Airlines logo]()
$918
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Fri 12/410:56 am -
1 stop17h 24m
Wed 12/97:45 pm -
1 stop17h 32m
Deal found 9/18![Multiple Airlines logo]()
$926
This Kiwi.com deal was found by Cheapflights users on 9/19. 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.
Sat 10/247:37 pm -
1 stop33h 43m
Fri 10/307:45 pm -
1 stop29h 44m
Deal found 9/19![Multiple Airlines logo]()
$928
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:48 am -
1 stop17h 22m
Wed 11/117:45 pm -
1 stop18h 02m
Deal found 9/22![Multiple Airlines logo]()
$938
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:45 pm -
1 stop35h 35m
Tue 11/109:20 am -
2 stops28h 28m
Deal found 9/22![Multiple Airlines logo]()
$946
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 23, 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 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:30 pm -
2 stops29h 05m
Sat 11/148:00 pm -
2 stops17h 47m
Deal found 9/22![Alaska Airlines logo]()
$977
This Cathay Pacific deal was found by Cheapflights users on 9/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/152:30 pm -
2 stops30h 20m
Tue 2/233:00 pm -
2 stops22h 31m
Deal found 9/18![Cathay Pacific logo]()
$1,170
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/87:30 am -
1 stop15h 45m
Sat 3/206:00 pm -
1 stop22h 54m
Deal found 9/22![United Airlines logo]()
$1,330
This Philippine Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am -
2 stops31h 05m
Sat 11/287:30 am -
2 stops30h 16m
Deal found 9/21![Multiple Airlines logo]()
$1,360
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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.
Sat 10/175:48 pm -
2 stops31h 42m
Thu 10/227:35 pm -
2 stops19h 39m
Deal found 9/19![Alaska Airlines logo]()
$1,076
This Cathay Pacific deal was found by Cheapflights users on 9/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/122:30 pm -
2 stops29h 15m
Sat 2/203:00 pm -
2 stops22h 31m
Deal found 9/18![Cathay Pacific logo]()
$1,270
This Alaska Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:48 pm -
1 stop33h 47m
Sun 11/18:00 pm -
2 stops30h 28m
Deal found 9/22![Alaska Airlines logo]()
$1,174
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/174:05 pm -
3 stops31h 20m
Sun 2/146:30 pm -
2 stops32h 42m
Deal found 9/18![United Airlines logo]()
$1,334
This Philippine Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:46 am -
2 stops26h 19m
Sat 11/287:30 am -
2 stops30h 16m
Deal found 9/21![Multiple Airlines logo]()
$1,360
Last-minute flights from Portland to SeoulDiscover last-minute flight deals from Portland to Seoul. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Seoul. Data last updated September 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/19. 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.
Sat 10/247:37 pm -
1 stop33h 43m
Fri 10/307:45 pm -
1 stop29h 44m
Deal found 9/19![Multiple Airlines logo]()
$928
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:48 am -
1 stop17h 22m
Wed 11/117:45 pm -
1 stop18h 02m
Deal found 9/22![Multiple Airlines logo]()
$938
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:45 pm -
1 stop35h 35m
Tue 11/109:20 am -
2 stops28h 28m
Deal found 9/22![Multiple Airlines logo]()
$946
This Alaska Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:37 pm -
2 stops29h 58m
Sun 11/18:00 pm -
2 stops30h 28m
Deal found 9/23![Alaska Airlines logo]()
$952
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:18 am -
1 stop22h 02m
Sat 11/77:45 pm -
1 stop18h 02m
Deal found 9/22![Multiple Airlines logo]()
$966
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:48 am -
1 stop18h 32m
Sat 11/77:45 pm -
1 stop18h 02m
Deal found 9/22![Multiple Airlines logo]()
$868
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:18 am -
1 stop22h 02m
Wed 11/117:45 pm -
1 stop18h 02m
Deal found 9/22![Multiple Airlines logo]()
$905
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:18 am -
1 stop22h 02m
Fri 11/137:45 pm -
1 stop18h 02m
Deal found 9/22![Multiple Airlines logo]()
$959
This Alaska Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:33 pm -
2 stops28h 02m
Sat 11/78:00 pm -
2 stops17h 47m
Deal found 9/22![Alaska Airlines logo]()
$977
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 23, 2026.
Search for one-way flight options from Portland to Seoul. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 11/47:04 am -
1 stop21h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:50 pm -
1 stop37h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:48 am -
1 stop18h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 9/19. 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.
Sun 11/17:04 am -
1 stop21h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 11/55:30 pm -
1 stop34h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 10/2110:48 am -
1 stop18h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$430
This Kiwi.com deal was found by Cheapflights users on 9/19. 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.
Tue 11/248:54 pm -
2 stops39h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 9/19. 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.
Mon 3/87:00 am -
1 stop21h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$460
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 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $868 (Kiwi.com) |
One-way from | $356 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,236 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 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
8:08 am-5:30 am
2 stops28h 22m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$483
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
$493
Quickest round-trip
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Wed 9/30
9:51 am-4:50 pm
1 stop14h 59m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$509
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Mon 11/2
12:31 pm-4:20 pm
2 stops58h 49m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$514
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Wed 10/28
7:37 pm-5:30 am
3 stops41h 53m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$542
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Fri 3/12
10:30 am-9:20 pm
1 stop17h 50m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$543
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Wed 10/21
10:48 am-5:10 pm
2 stops38h 22m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$596
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 3/7
9:30 pm-6:35 pm
2 stops52h 05m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$613
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Fri 3/12
2:30 pm-12:40 am
2 stops41h 10m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$660
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Fri 11/6
7:30 pm-5:35 pm
2 stops29h 05m
Incheon Intl
Sat 11/14
8:00 pm-8:47 pm
2 stops17h 47m
$977
Showing 1-10 of 18 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
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, 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 $999 and $1,680 in October.The cheapest round-trip price found within the last 5 days was $868 on Multiple Airlines (Oct 28-Nov 7).
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 23, 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.
Comfort
8.3
Food
8.1
Overall
8.4
Entertainment
8.2
Boarding
8.5
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Food
8.1
Overall
8.4
Entertainment
8.2
Boarding
8.5
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Food
8.1
Overall
8.4
Entertainment
8.2
Boarding
8.5
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Food
8.1
Overall
8.4
Entertainment
8.2
Boarding
8.5
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Food
8.1
Overall
8.4
Entertainment
8.2
Boarding
8.5
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Food
8.1
Overall
8.4
Entertainment
8.2
Boarding
8.5
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.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Portland and Seoul flights
Browse other Portland and Seoul flight options. Last updated on September 23, 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 23, 2026.
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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 23, 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$1,053 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$791 | Average$1,248 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$914 | Average$1,265 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$915 | Average$1,336 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$916 | Average$1,279 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,172 | Average$1,287 | FlexibilityNo cancel fee | On-time81% |