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$368+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ICN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/247:45 pmPDX - ICN
1 stop27h 30mUnited Airlines
Wed 12/3112:45 pmICN - PDX
2 stops38h 16mUnited Airlines
Deal found 12/17$1,272
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/226:55 pmBOI - ICN
1 stop29h 20mUnited Airlines
Mon 1/1212:45 pmICN - BOI
2 stops23h 00mUnited Airlines
Deal found 12/17$1,335
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/217:45 pmPDX - ICN
1 stop27h 30mUnited Airlines
Tue 12/237:25 pmICN - PDX
2 stops44h 21mUnited Airlines
Deal found 12/17$1,411
This Delta deal was found by Cheapflights users on 12/17. 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.
Wed 12/245:15 pmPDX - ICN
1 stop30h 15mDelta
Wed 12/318:05 pmICN - PDX
1 stop17h 31mDelta
Deal found 12/17$1,456
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 12/257:30 amPDX - ICN
1 stop15h 45mUnited Airlines
Wed 1/712:45 pmICN - PDX
1 stop23h 11mUnited Airlines
Deal found 12/16$1,474
This Delta deal was found by Cheapflights users on 12/17. 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 12/2212:36 pmMFR - ICN
1 stop34h 54mDelta
Wed 12/318:05 pmICN - MFR
1 stop18h 09mDelta
Deal found 12/17$1,537
This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 12/255:15 pmPDX - ICN
1 stop30h 15mDelta
Thu 1/12:30 pmICN - PDX
1 stop20h 45mDelta
Deal found 12/17$1,578
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:48 pmPDX - ICN
1 stop19h 07mMultiple Airlines
Wed 1/79:00 pmICN - PDX
1 stop14h 56mMultiple Airlines
Deal found 12/17$1,579
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:15 pmPDX - ICN
1 stop30h 15mDelta
Wed 1/72:30 pmICN - PDX
2 stops25h 24mDelta
Deal found 12/16$1,582
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/243:52 pmPDX - ICN
1 stop31h 23mUnited Airlines
Wed 1/76:00 pmICN - PDX
1 stop13h 48mUnited Airlines
Deal found 12/16$1,622
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:19 pmBOI - ICN
2 stops31h 16mDelta
Mon 1/128:05 pmICN - BOI
1 stop17h 53mDelta
Deal found 12/15$1,638
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/259:00 amPDX - ICN
2 stops27h 40mUnited Airlines
Thu 1/16:00 pmICN - PDX
2 stops33h 01mUnited Airlines
Deal found 12/17$1,648

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$714
(Kiwi.com)

One-way from

$368
(TravelUp)

Popular in

December

Cheapest in

February

Average price

$1,501
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. 4% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 2025.
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

Sat 2/28

9:30 am-6:35 pm

1 stop16h 05m

Incheon Intl

Mon 3/9

8:35 pm-10:41 pm

1 stop18h 06m

$716

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 2/15

7:05 am-6:35 pm

1 stop18h 30m

Incheon Intl

Sun 2/22

8:35 pm-6:05 pm

1 stop14h 30m

$716

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 2/28

9:30 am-6:35 pm

1 stop16h 05m

Incheon Intl

Fri 3/6

8:35 pm-10:41 pm

1 stop19h 06m

$716

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 2/27

9:19 pm-6:35 pm

1 stop28h 16m

Incheon Intl

Mon 3/9

8:35 pm-7:15 pm

1 stop14h 40m

$721

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 1/18

7:10 am-4:30 pm

1 stop16h 20m

Incheon Intl

Fri 1/30

8:05 pm-12:17 am

1 stop21h 12m

$816

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 2/28

7:57 pm-5:40 am

1 stop16h 43m

Incheon Intl

Tue 3/10

5:00 pm-2:59 pm

1 stop13h 59m

$816

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 2/26

7:10 am-4:30 pm

1 stop16h 20m

Incheon Intl

Mon 3/9

8:05 pm-4:55 pm

1 stop12h 50m

$816

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 2/24

7:57 pm-5:40 am

1 stop16h 43m

Incheon Intl

Wed 3/11

5:00 pm-2:59 pm

1 stop13h 59m

$816

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 1/27

5:30 am-4:30 pm

1 stop18h 00m

Incheon Intl

Sat 2/7

8:05 pm-8:59 pm

1 stop17h 54m

$816

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 2/26

7:57 pm-5:40 am

1 stop16h 43m

Incheon Intl

Sun 3/8

11:45 am-11:33 am

1 stop16h 48m

$816

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 58 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, June is the cheapest month in which you can book a flight from Oregon to South Korea (average of $686). Flying from Oregon to South Korea in August is currently the most expensive (average of $961). 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 December 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 61% on flights from Oregon to South Korea by exploring options for tickets in the afternoon.

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 December 16, 2024.

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 16h 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $59. Allegiant Air flights start at $59 while deals on Frontier start at $110 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, June is the cheapest month in which you can book a flight from Oregon to South Korea (average of $686). Flying from Oregon to South Korea in August is currently the most expensive (average of $961). 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

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Top 8 airlines flying from Oregon to South Korea

Discover the top 8 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$767Average$1,292FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$806Average$1,088FlexibilityNo cancel feeOn-time67%
China EasternCheapest$822Average$842FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$840Average$960FlexibilityNo cancel feeOn-time75%
DeltaCheapest$849Average$1,280FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$877Average$1,198FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$912Average$1,138FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,082Average$1,489FlexibilityNo cancel feeOn-time81%

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