HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seoul

$345+ Cheap flights from Oregon to Seoul (SEL)

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SEL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oregon 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 Oregon to Seoul

Cheapest flights from Oregon to Seoul
Explore the most affordable flight options available from Oregon to Seoul. 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 Seoul

Keep the following information in mind while searching for Oregon to Seoul 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 Seoul (SEL)
Search Deals
One-way flight from Oregon to Seoul (SEL)
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 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 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Oregon to Seoul that are best for you.

Fly from

Oregon

Fly to

Seoul

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 2/10

9:30 pm-6:35 pm

1 stop28h 05m

Incheon Intl

Sat 2/28

8:35 pm-7:15 pm

1 stop15h 40m

$616

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 2/11

5:35 pm-6:35 pm

1 stop32h 00m

Incheon Intl

Fri 2/27

8:35 pm-7:15 pm

1 stop15h 40m

$616

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 1/25

10:30 am-6:35 pm

1 stop15h 05m

Incheon Intl

Sun 2/22

8:35 pm-6:05 pm

1 stop14h 30m

$616

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 2/7

7:38 pm-6:35 pm

1 stop29h 57m

Incheon Intl

Fri 2/27

8:35 pm-6:05 pm

1 stop14h 30m

$616

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 2/5

10:30 am-6:35 pm

1 stop15h 05m

Incheon Intl

Sat 2/28

8:35 pm-7:15 pm

1 stop15h 40m

$616

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 2/8

6:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Fri 2/27

8:35 pm-7:15 pm

1 stop15h 40m

$616

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 2/8

6:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Sun 3/1

8:35 pm-10:41 pm

1 stop19h 06m

$666

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 2/6

9:20 am-4:30 pm

1 stop14h 10m

Incheon Intl

Thu 2/26

8:05 pm-12:15 am

1 stop21h 10m

$716

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 2/8

9:20 am-4:30 pm

1 stop14h 10m

Incheon Intl

Tue 3/3

8:05 pm-8:55 pm

1 stop17h 50m

$716

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 2/8

7:10 am-4:30 pm

1 stop16h 20m

Incheon Intl

Wed 2/25

8:05 pm-12:15 am

1 stop21h 10m

$716

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Oregon to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul 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 Seoul

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

Currently, June is the cheapest month in which you can book a flight from Oregon to Seoul (average of $686). Flying from Oregon to Seoul 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 SEL?

Find hourly flight availability from Oregon to Seoul. 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.

A simple way to save on the total cost of your ticket is to fly from Oregon to Seoul in the afternoon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Oregon to Seoul. 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 Seoul?

    There are many flights that can get you from Oregon to Seoul in 17h 20m. Fly via United Airlines, Delta, or Japan Airlines to get the fastest option. There are 5315 mi between Oregon and Seoul. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $432. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Oregon to Seoul for a low price.

  • What are the most popular routes from Oregon to Seoul?

    The most popular route from Oregon to Seoul is Portland - Incheon Intl. You may also consider Portland - Seoul Gimpo Intl or Medford - Incheon Intl.

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

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

  • How can I find direct flights from Oregon to Seoul?

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

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

    Yes. Cheapflights offers flight deals from Oregon to Seoul 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 Seoul?

    Currently, June is the cheapest month in which you can book a flight from Oregon to Seoul (average of $686). Flying from Oregon to Seoul 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oregon to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Incheon Intl flights
John F Kennedy Intl to Incheon Intl flights
Seattle to Incheon Intl flights
San Francisco to Incheon Intl flights
Dallas/Fort Worth to Incheon Intl flights
Dulles Intl to Incheon Intl flights
Los Angeles to Gimpo Intl flights
Newark to Incheon Intl flights
O'Hare Intl to Incheon Intl flights
John F Kennedy Intl to Gimpo Intl flights
LaGuardia to Incheon Intl flights
Ontario to Incheon Intl flights
Atlanta to Incheon Intl flights
San Francisco to Gimpo Intl flights
Boston to Incheon Intl flights
Seattle to Gimpo Intl flights
Hobby to Incheon Intl flights
Dulles Intl to Gimpo Intl flights
Reagan-National to Incheon Intl flights
Baltimore to Incheon Intl flights
Honolulu to Incheon Intl flights
Dallas/Fort Worth to Gimpo Intl flights
Newark to Gimpo Intl flights
Love Field to Incheon Intl flights
O'Hare Intl to Gimpo Intl flights
Minneapolis to Incheon Intl flights
Orlando to Incheon Intl flights
George Bush Intcntl to Incheon Intl flights
Honolulu to Gimpo Intl flights
Baltimore to Gimpo Intl flights
Detroit to Incheon Intl flights
LaGuardia to Gimpo Intl flights
Sky Harbor Intl to Incheon Intl flights
George Bush Intcntl to Gimpo Intl flights
Austin to Incheon Intl flights
Atlanta to Gimpo Intl flights
Boston to Gimpo Intl flights
Tampa to Incheon Intl flights
Denver to Incheon Intl flights
Salt Lake City to Incheon Intl flights
Las Vegas to Incheon Intl flights
Midway to Incheon Intl flights
Reagan-National to Gimpo Intl flights
Philadelphia to Incheon Intl flights
Charlotte to Incheon Intl flights
Miami to Incheon Intl flights
Santa Ana to Incheon Intl flights
Portland to Incheon Intl flights
Los Angeles to Busan flights

Top 7 airlines flying from Oregon to Seoul

Discover the top 7 airlines that operate flights from Oregon 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 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%
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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.