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$413+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ICN
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
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 February 20, 2026.

This CheapOair deal was found by Cheapflights users on 2/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:50 am
PDX
-
ICN
1 stop14h 15m
Multiple Airlines
Mon 6/18:40 pm
ICN
-
PDX
2 stops28h 50m
Multiple Airlines
Deal found 2/17$636
This CheapOair deal was found by Cheapflights users on 2/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:50 am
PDX
-
ICN
1 stop14h 15m
Multiple Airlines
Thu 5/288:40 pm
ICN
-
PDX
2 stops38h 25m
Multiple Airlines
Deal found 2/18$676
This CheapOair deal was found by Cheapflights users on 2/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:05 pm
PDX
-
ICN
1 stop29h 00m
Multiple Airlines
Sat 4/258:40 pm
ICN
-
PDX
2 stops28h 30m
Multiple Airlines
Deal found 2/17$683
This CheapOair deal was found by Cheapflights users on 2/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:50 am
PDX
-
ICN
1 stop14h 15m
Multiple Airlines
Sun 5/38:40 pm
ICN
-
PDX
2 stops38h 25m
Multiple Airlines
Deal found 2/19$719
This Gotogate deal was found by Cheapflights users on 2/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:05 pm
PDX
-
ICN
1 stop29h 00m
Multiple Airlines
Sun 4/192:30 am
ICN
-
PDX
2 stops22h 40m
Multiple Airlines
Deal found 2/16$721
This Gotogate deal was found by Cheapflights users on 2/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:30 pm
PDX
-
ICN
1 stop32h 35m
Multiple Airlines
Mon 10/122:30 am
ICN
-
PDX
2 stops23h 01m
Multiple Airlines
Deal found 2/16$722
This CheapOair deal was found by Cheapflights users on 2/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/49:50 am
PDX
-
ICN
1 stop14h 15m
Multiple Airlines
Sat 5/168:40 pm
ICN
-
PDX
2 stops38h 25m
Multiple Airlines
Deal found 2/19$726
This Gotogate deal was found by Cheapflights users on 2/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:50 am
PDX
-
ICN
1 stop14h 15m
Multiple Airlines
Tue 4/142:30 am
ICN
-
PDX
2 stops22h 40m
Multiple Airlines
Deal found 2/19$729
This Gotogate deal was found by Cheapflights users on 2/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:30 pm
PDX
-
ICN
1 stop32h 35m
Multiple Airlines
Wed 10/142:30 am
ICN
-
PDX
2 stops23h 01m
Multiple Airlines
Deal found 2/19$732
This CheapOair deal was found by Cheapflights users on 2/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:50 am
PDX
-
ICN
1 stop14h 15m
Multiple Airlines
Thu 5/218:40 pm
ICN
-
PDX
2 stops38h 25m
Multiple Airlines
Deal found 2/18$738
This Gurufare deal was found by Cheapflights users on 2/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:28 am
BOI
-
ICN
1 stop20h 07m
Multiple Airlines
Wed 4/18:35 pm
ICN
-
BOI
1 stop17h 22m
Multiple Airlines
Deal found 2/18$761
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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.
Thu 2/196:28 am
BOI
-
ICN
1 stop20h 07m
Multiple Airlines
Fri 4/38:35 pm
ICN
-
BOI
1 stop18h 21m
Multiple Airlines
Deal found 2/18$802

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 February 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$636
(CheapOair)

One-way from

$413
(KAYAK)

Popular in

June

Cheapest in

February

Average price

$915
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. 16% potential increase in price ($229 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 20, 2026.
Use the filters below to find and compare flights from Oregon to South Korea that are best for you.

Fly from

Oregon

Fly to

South Korea

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 4/5

7:05 pm-4:05 pm

1 stop29h 00m

Incheon Intl

Sat 5/2

8:40 pm-7:05 pm

2 stops38h 25m

$762

MedfordIncheon

MFR - ICN

MFRICN

Medford

Thu 3/5

5:44 pm-6:35 pm

1 stop31h 51m

Incheon Intl

Mon 3/9

8:35 pm-11:59 pm

1 stop19h 24m

$834

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 4/12

7:05 pm-4:05 pm

1 stop29h 00m

Incheon Intl

Fri 5/1

1:55 am-9:30 am

2 stops23h 35m

$847

MedfordIncheon

MFR - ICN

MFRICN

Medford

Tue 4/21

7:50 pm-10:25 pm

2 stops34h 35m

Incheon Intl

Tue 5/5

8:00 am-4:59 pm

2 stops24h 59m

$881

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 3/7

5:40 pm-6:35 pm

1 stop31h 55m

Incheon Intl

Sun 3/15

8:35 pm-10:41 pm

1 stop18h 06m

$892

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 5/31

5:15 am-3:00 pm

1 stop17h 45m

Incheon Intl

Mon 6/1

8:35 pm-10:49 pm

2 stops42h 14m

$894

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Sun 3/1

1:29 pm-5:20 am

1 stop22h 51m

Incheon Intl

Tue 3/31

9:00 pm-8:31 pm

1 stop15h 31m

$914

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 6/19

9:30 pm-3:20 pm

1 stop25h 50m

Incheon Intl

Sat 6/27

12:40 pm-4:44 pm

1 stop20h 04m

$916

MedfordIncheon

MFR - ICN

MFRICN

Medford

Mon 4/6

5:45 am-6:35 pm

1 stop20h 50m

Incheon Intl

Sun 4/19

8:35 pm-7:10 pm

1 stop14h 35m

$920

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 8/7

9:30 pm-4:45 am

1 stop15h 15m

Incheon Intl

Sun 8/16

8:50 pm-8:42 pm

1 stop15h 52m

$923

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 60 results
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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, April is the cheapest month in which you can book a flight from Oregon to South Korea (average of $791). Flying from Oregon to South Korea in June is currently the most expensive (average of $972). 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.

What is the cheapest time of day to fly from OR to KR?

Find hourly flight availability from Oregon to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 54% on flights from Oregon to South Korea by exploring options for tickets in the evening.

What is the cheapest day to fly from Oregon to South Korea?

Use this chart to determine the cheapest time to fly round-trip from Oregon to South Korea. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Oregon to South Korea flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 18h 40m. The distance between Oregon and South Korea is about 5598 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $59. Allegiant Air flights start at $59 while deals on Delta start at $109 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, April is the cheapest month in which you can book a flight from Oregon to South Korea (average of $791). Flying from Oregon to South Korea in June is currently the most expensive (average of $972). 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 February 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$799Average$1,116FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$815Average$988FlexibilityNo cancel feeOn-time75%
DeltaCheapest$849Average$1,302FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$881Average$1,090FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$914Average$1,138FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,082Average$1,504FlexibilityNo cancel feeOn-time81%

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