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$379+ Cheap flights from Oregon to South Korea

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ICN
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheap flight deals from Oregon to South Korea

Cheapest flights from Oregon to South Korea
Explore the most affordable flight options available from Oregon to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.

This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/92:30 pm
PDX
-
ICN
1 stop36h 15m
Multiple Airlines
Tue 9/81:30 pm
ICN
-
PDX
2 stops35h 55m
Multiple Airlines
Deal found 7/29$777
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:03 am
PDX
-
ICN
1 stop21h 07m
Multiple Airlines
Sat 9/56:00 pm
ICN
-
PDX
1 stop14h 50m
Multiple Airlines
Deal found 7/30$847
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:03 am
PDX
-
ICN
1 stop22h 37m
Multiple Airlines
Wed 9/27:15 pm
ICN
-
PDX
1 stop17h 20m
Multiple Airlines
Deal found 7/29$849
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:37 am
PDX
-
ICN
1 stop19h 03m
Multiple Airlines
Wed 10/147:15 pm
ICN
-
PDX
1 stop17h 35m
Multiple Airlines
Deal found 7/30$866
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:01 am
PDX
-
ICN
1 stop21h 19m
Multiple Airlines
Mon 11/97:45 pm
ICN
-
PDX
1 stop20h 00m
Multiple Airlines
Deal found 7/29$873
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am
PDX
-
ICN
1 stop21h 10m
Multiple Airlines
Sun 10/117:15 pm
ICN
-
PDX
1 stop30h 14m
Multiple Airlines
Deal found 7/30$874
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am
PDX
-
ICN
1 stop21h 10m
Multiple Airlines
Wed 10/217:15 pm
ICN
-
PDX
1 stop17h 35m
Multiple Airlines
Deal found 7/30$875
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:37 pm
PDX
-
ICN
1 stop33h 03m
Multiple Airlines
Mon 10/127:15 pm
ICN
-
PDX
1 stop17h 35m
Multiple Airlines
Deal found 7/30$876
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:35 pm
PDX
-
ICN
1 stop32h 05m
Multiple Airlines
Sun 10/117:15 pm
ICN
-
PDX
1 stop30h 14m
Multiple Airlines
Deal found 7/30$877
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:35 pm
PDX
-
ICN
1 stop32h 05m
Multiple Airlines
Fri 10/167:15 pm
ICN
-
PDX
1 stop30h 35m
Multiple Airlines
Deal found 7/30$878
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:35 pm
PDX
-
ICN
1 stop32h 05m
Multiple Airlines
Sat 10/176:00 pm
ICN
-
PDX
1 stop18h 50m
Multiple Airlines
Deal found 7/30$879
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:01 am
PDX
-
ICN
1 stop21h 19m
Multiple Airlines
Sun 11/87:45 pm
ICN
-
PDX
1 stop30h 50m
Multiple Airlines
Deal found 7/28$880

Find flight deals from Oregon to South Korea

Keep the following information in mind while searching for Oregon to South Korea flight deals. Data was last updated August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$847
(Kiwi.com)

One-way from

$379
(SmartFares)

Popular in

June

Cheapest in

February

Average price

$1,236
Provider with most accurate pricing for Portland-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Seoul (SEL) flights.
Search Deals
From Oregon to South Korea
Search Deals
One-way flight from Oregon to South Korea
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to South Korea 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 2,558,603 searches. Data last updated August 1, 2026.
Use the filters below to find and compare flights from Oregon to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 9/22

6:50 pm-5:30 pm

2 stops30h 40m

Incheon Intl

Mon 10/5

7:35 pm-11:12 pm

2 stops19h 37m

$1,013

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 9/19

6:50 pm-5:30 pm

2 stops30h 40m

Incheon Intl

Sat 9/26

7:35 pm-8:50 pm

2 stops17h 15m

$1,021

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 9/27

8:37 pm-5:30 pm

2 stops28h 53m

Incheon Intl

Sat 10/10

7:35 pm-9:29 am

2 stops29h 54m

$1,051

PortlandBusan

PDX - PUS

PDXPUS

Portland

Mon 9/14

10:10 am-6:40 am

2 stops52h 30m

Busan Gimhae

Mon 9/21

8:05 am-7:11 pm

2 stops27h 06m

$1,076

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 9/16

7:00 am-5:30 pm

2 stops19h 30m

Incheon Intl

Sat 9/26

7:35 pm-10:27 pm

2 stops17h 52m

$1,091

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 10/27

5:36 am-4:15 pm

1 stop18h 39m

Incheon Intl

Tue 11/10

6:00 pm-6:20 pm

1 stop17h 20m

$1,107

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Wed 10/21

6:05 am-4:50 pm

1 stop18h 45m

Incheon Intl

Wed 11/4

6:45 pm-5:01 pm

1 stop15h 16m

$1,107

MedfordIncheon

MFR - ICN

MFRICN

Medford

Mon 9/21

6:00 am-3:00 pm

1 stop17h 00m

Incheon Intl

Mon 11/2

6:00 pm-10:18 pm

1 stop21h 18m

$1,107

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Wed 9/16

4:11 pm-4:20 am

1 stop20h 09m

Incheon Intl

Wed 9/30

4:50 pm-3:18 pm

1 stop14h 28m

$1,107

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Wed 10/7

6:00 am-3:00 pm

1 stop17h 00m

Incheon Intl

Mon 10/19

4:50 pm-8:44 pm

1 stop19h 54m

$1,107

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Oregon to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Oregon with our price prediction graph.
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 Oregon to South Korea

What is the cheapest month to book a flight from Oregon to South Korea?

Currently, February is the cheapest month in which you can book a flight from Oregon to South Korea (average of $939). Flying from Oregon to South Korea in December is currently the most expensive (average of $1,601). 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 far ahead should I book a flight from Oregon to South Korea?

The price you pay for your flight from Oregon to South Korea may vary depending on when you book. For the best chance of a lower fare, look to book 8 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from Oregon to South Korea. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Oregon to South Korea?

    Departing from Oregon to South Korea will take you 19h 20m. The distance between Oregon and South Korea is about 5273 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Oregon to South Korea one-way?

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $400. Air Canada flights start at $450 while deals on United Airlines start at $450 one-way.

  • Can I find deals for flights from Oregon to South Korea that include hotel bookings?

    Yes. In addition to deals on Oregon to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to South Korea?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to South Korea.

  • Can I find deals for business class flights from Oregon to South Korea?

    Yes. Cheapflights offers flight deals from Oregon to South Korea by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to South Korea?

    Currently, February is the cheapest month in which you can book a flight from Oregon to South Korea (average of $939). Flying from Oregon to South Korea in December is currently the most expensive (average of $1,601). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Oregon to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Oregon to South Korea

Discover the top 6 airlines that operate flights from Oregon to South Korea. 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 2,558,603 searches. Data last updated August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$161Average$1,053FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$791Average$1,198FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$881Average$1,253FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$915Average$1,336FlexibilityNo cancel feeOn-time69%
DeltaCheapest$916Average$1,240FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,155Average$1,223FlexibilityNo cancel feeOn-time81%

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