$427+ Cheap flights from Portland (PDX) to Incheon Intl (ICN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ICN
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Incheon Intl 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 Incheon Intl
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Last-minute
One-way
Cheapest flights from Portland to Incheon IntlExplore the most affordable flight options available from Portland to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
Explore the most affordable flight options available from Portland to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/222:42 pm -
1 stop38h 58m
Wed 9/307:15 pm -
1 stop17h 35m
Deal found 8/19![Multiple Airlines logo]()
$861
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:37 am -
1 stop17h 33m
Sun 10/47:15 pm -
1 stop30h 14m
Deal found 8/20![Multiple Airlines logo]()
$862
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:37 am -
1 stop17h 33m
Fri 10/97:15 pm -
1 stop30h 35m
Deal found 8/20![Multiple Airlines logo]()
$863
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:37 am -
1 stop19h 03m
Fri 10/97:15 pm -
1 stop30h 35m
Deal found 8/20![Multiple Airlines logo]()
$864
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:37 am -
1 stop19h 03m
Wed 10/77:15 pm -
1 stop17h 35m
Deal found 8/20![Multiple Airlines logo]()
$865
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:37 am -
1 stop17h 33m
Sat 9/266:00 pm -
1 stop14h 50m
Deal found 8/20![Multiple Airlines logo]()
$867
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:37 am -
1 stop17h 33m
Wed 10/77:15 pm -
1 stop17h 35m
Deal found 8/20![Multiple Airlines logo]()
$868
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/1610:37 am -
1 stop19h 03m
Wed 9/237:15 pm -
1 stop17h 35m
Deal found 8/19![Multiple Airlines logo]()
$875
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:37 am -
1 stop17h 33m
Sat 10/36:00 pm -
1 stop14h 44m
Deal found 8/20![Multiple Airlines logo]()
$877
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Fri 9/189:35 pm -
1 stop30h 35m
Fri 9/257:15 pm -
1 stop29h 52m
Deal found 8/19![Multiple Airlines logo]()
$882
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:03 am -
1 stop22h 37m
Sun 10/47:15 pm -
1 stop30h 14m
Deal found 8/20![Multiple Airlines logo]()
$883
Best flights from Portland to Incheon IntlDiscover carefully curated flight deals from Portland to Incheon Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
Discover carefully curated flight deals from Portland to Incheon Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Thu 11/56:08 am -
1 stop18h 27m
Mon 11/98:00 pm -
2 stops17h 47m
Deal found 8/16![Alaska Airlines logo]()
$1,091
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am -
1 stop16h 00m
Mon 12/146:00 pm -
1 stop17h 31m
Deal found 8/16![United Airlines logo]()
$1,107
This FlightHub deal was found by Cheapflights users on 8/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:37 pm -
2 stops23h 23m
Mon 12/147:45 pm -
2 stops21h 25m
Deal found 8/16![Multiple Airlines logo]()
$1,144
This Cathay Pacific deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:46 pm -
2 stops22h 54m
Sun 9/203:10 pm -
2 stops38h 41m
Deal found 8/20![Cathay Pacific logo]()
$1,174
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:00 am -
1 stop16h 00m
Mon 12/146:00 pm -
1 stop19h 33m
Deal found 8/16![United Airlines logo]()
$1,107
This Cathay Pacific deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:46 pm -
2 stops22h 54m
Sun 10/48:05 pm -
2 stops33h 48m
Deal found 8/20![Cathay Pacific logo]()
$1,174
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:15 pm -
2 stops28h 10m
Tue 11/246:00 pm -
1 stop17h 24m
Deal found 8/16![United Airlines logo]()
$1,112
This Cathay Pacific deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:55 pm -
2 stops26h 45m
Sun 9/203:10 pm -
2 stops38h 41m
Deal found 8/20![Cathay Pacific logo]()
$1,179
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:30 am -
1 stop17h 30m
Mon 10/125:15 pm -
1 stop32h 35m
Deal found 8/17![United Airlines logo]()
$1,115
This Cathay Pacific deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:53 pm -
2 stops26h 47m
Tue 9/228:00 am -
2 stops41h 48m
Deal found 8/20![Cathay Pacific logo]()
$1,179
This Cathay Pacific deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:50 pm -
2 stops27h 15m
Tue 9/228:00 am -
2 stops41h 48m
Deal found 8/20![Cathay Pacific logo]()
$1,179
Last-minute flights from Portland to Incheon IntlDiscover last-minute flight deals from Portland to Incheon Intl. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Incheon Intl. Data last updated August 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/1610:37 am -
1 stop19h 03m
Wed 9/237:15 pm -
1 stop17h 35m
Deal found 8/19![Multiple Airlines logo]()
$875
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Fri 9/189:35 pm -
1 stop30h 35m
Fri 9/257:15 pm -
1 stop29h 52m
Deal found 8/19![Multiple Airlines logo]()
$882
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:03 am -
1 stop22h 37m
Sun 10/47:15 pm -
1 stop30h 14m
Deal found 8/20![Multiple Airlines logo]()
$883
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:37 am -
1 stop17h 33m
Sun 10/47:15 pm -
1 stop30h 14m
Deal found 8/20![Multiple Airlines logo]()
$862
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:37 am -
1 stop17h 33m
Fri 10/97:15 pm -
1 stop30h 35m
Deal found 8/20![Multiple Airlines logo]()
$863
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:37 am -
1 stop17h 33m
Sat 9/266:00 pm -
1 stop14h 50m
Deal found 8/20![Multiple Airlines logo]()
$867
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:37 am -
1 stop17h 33m
Wed 10/77:15 pm -
1 stop17h 35m
Deal found 8/20![Multiple Airlines logo]()
$868
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:37 am -
1 stop17h 33m
Sat 10/36:00 pm -
1 stop14h 44m
Deal found 8/20![Multiple Airlines logo]()
$877
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/222:42 pm -
1 stop38h 58m
Wed 9/307:15 pm -
1 stop17h 35m
Deal found 8/19![Multiple Airlines logo]()
$861
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:37 am -
1 stop19h 03m
Fri 10/97:15 pm -
1 stop30h 35m
Deal found 8/20![Multiple Airlines logo]()
$864
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:37 am -
1 stop19h 03m
Wed 10/77:15 pm -
1 stop17h 35m
Deal found 8/20![Multiple Airlines logo]()
$865
One-way flights from Portland to Incheon IntlSearch for one-way flight options from Portland to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
Search for one-way flight options from Portland to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:37 am -
1 stop17h 33m
Deal found 8/21![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:37 am -
1 stop19h 03m
Deal found 8/20![Multiple Airlines logo]()
$429
This Ovago deal was found by Cheapflights users on 8/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:30 pm -
1 stop36h 15m
Deal found 8/18![WestJet logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Wed 9/167:03 am -
1 stop22h 37m
Deal found 8/17![Multiple Airlines logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:18 am -
1 stop22h 22m
Deal found 8/21![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/297:03 am -
2 stops25h 22m
Deal found 8/19![Multiple Airlines logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 10/17:03 am -
2 stops25h 22m
Deal found 8/19![Multiple Airlines logo]()
$508
Find flight deals from Portland to Incheon Intl
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Incheon Intl (ICN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $861 (Kiwi.com) |
One-way from | $427 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,206 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Incheon Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 21, 2026.
Use the filters below to find and compare flights from Portland to Incheon Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Thu 11/5
6:08 am-5:35 pm
1 stop18h 27m
Incheon Intl
Mon 11/9
8:00 pm-8:47 pm
2 stops17h 47m
$1,091
Quickest round-trip
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Tue 10/13
7:00 am-3:00 pm
1 stop16h 00m
Incheon Intl
Mon 12/14
6:00 pm-6:31 pm
1 stop17h 31m
$1,107
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Mon 10/12
7:00 am-3:00 pm
1 stop16h 00m
Incheon Intl
Mon 12/14
6:00 pm-8:33 pm
1 stop19h 33m
$1,107
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Sun 11/8
7:15 pm-4:25 pm
2 stops28h 10m
Incheon Intl
Tue 11/24
6:00 pm-6:24 pm
1 stop17h 24m
$1,112
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Mon 10/5
5:30 am-3:00 pm
1 stop17h 30m
Incheon Intl
Mon 10/12
5:15 pm-9:50 am
1 stop32h 35m
$1,115
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Mon 10/12
7:37 pm-11:00 am
2 stops23h 23m
Incheon Intl
Mon 12/14
7:45 pm-12:10 am
2 stops21h 25m
$1,144
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Tue 9/8
9:46 pm-12:40 pm
2 stops22h 54m
Incheon Intl
Sun 9/20
3:10 pm-1:51 pm
2 stops38h 41m
$1,174
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Wed 9/23
9:46 pm-12:40 pm
2 stops22h 54m
Incheon Intl
Sun 10/4
8:05 pm-1:53 pm
2 stops33h 48m
$1,174
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Tue 9/15
5:55 pm-12:40 pm
2 stops26h 45m
Incheon Intl
Sun 9/20
3:10 pm-1:51 pm
2 stops38h 41m
$1,179
PortlandIncheon
PDX Portland - ICN Incheon Intl
PDXICN
Portland
Wed 9/16
5:53 pm-12:40 pm
2 stops26h 47m
Incheon Intl
Tue 9/22
8:00 am-9:48 am
2 stops41h 48m
$1,179
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Portland to Incheon Intl
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 Incheon Intl in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Portland-Incheon Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Incheon Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Incheon Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Incheon Intl Airport 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-Incheon Intl Airport 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 Incheon Intl
Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Portland with our price prediction graph.
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 Incheon Intl Airport
How far ahead should I book a flight from Portland to Incheon Intl Airport?
The best time to book flights from Portland to Incheon Intl Airport is 34 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Portland to Incheon Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Portland to Incheon Intl Airport (average of $989). Flying from Portland to Incheon Intl Airport in December is currently the most expensive (average of $1,664). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Portland to Incheon Intl Airport?
Airfare is below average for this route at the moment.
Portland to Incheon Intl Airport flights typically cost between $971 and $1,320 in September.The cheapest round-trip price found within the last 5 days was $861 on Multiple Airlines (Sep 22-Sep 30).
Reviews of airlines servicing Incheon Intl
Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated August 21, 2026.
See what other customers who have flown with Korean Air,Asiana Airlines, andAlaska Airlines from Portland to Incheon Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.7
Food
8.1
Boarding
8.5
Entertainment
8.2
Overall
8.4
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Food
8.1
Boarding
8.5
Entertainment
8.2
Overall
8.4
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Food
8.1
Boarding
8.5
Entertainment
8.2
Overall
8.4
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Food
8.1
Boarding
8.5
Entertainment
8.2
Overall
8.4
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Food
8.1
Boarding
8.5
Entertainment
8.2
Overall
8.4
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Food
8.1
Boarding
8.5
Entertainment
8.2
Overall
8.4
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Related info for your journey
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Top 6 airlines flying from Portland to Incheon Intl
Discover the top 6 airlines that operate flights from Portland to Incheon Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$1,053 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$791 | Average$1,243 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$881 | Average$1,253 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$915 | Average$1,336 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$916 | Average$1,253 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,155 | Average$1,223 | FlexibilityNo cancel fee | On-time81% |