HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Korea

$431+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ICN
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oregon to South Korea 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 South Korea

Keep the following information in mind while searching for Oregon to South Korea flight deals. Data was last updated April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$950
(United Airlines)

One-way from

$431
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$1,009
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. 19% potential increase in price ($293 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find 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 April 17, 2025.

This United Airlines deal was found by Cheapflights users on 4/17. 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.
Sat 10/46:00 amEUG - ICN
1 stop17h 00mUnited Airlines
Sat 10/184:50 pmICN - EUG
1 stop22h 00mUnited Airlines
Deal found 4/17$950
This Fareboom deal was found by Cheapflights users on 4/16. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:50 amEUG - ICN
2 stops22h 25mMultiple Airlines
Sat 10/181:00 pmICN - EUG
2 stops19h 50mMultiple Airlines
Deal found 4/16$959
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:52 pmPDX - ICN
1 stop30h 38mMultiple Airlines
Wed 5/2810:35 amICN - PDX
2 stops18h 50mMultiple Airlines
Deal found 4/16$960
This oojo deal was found by Cheapflights users on 4/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/265:55 pmPDX - ICN
2 stops26h 45mCathay Pacific
Wed 9/38:05 pmICN - PDX
2 stops29h 42mCathay Pacific
Deal found 4/16$989
This oojo deal was found by Cheapflights users on 4/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/303:45 pmPDX - ICN
2 stops35h 50mChina Airlines
Tue 10/148:35 pmICN - PDX
2 stops25h 43mChina Airlines
Deal found 4/16$993
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:10 pmPDX - ICN
2 stops29h 25mAlaska Airlines
Mon 11/38:35 pmICN - PDX
2 stops33h 44mAlaska Airlines
Deal found 4/15$1,053
This Delta deal was found by Cheapflights users on 4/16. 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.
Sat 10/46:15 amEUG - ICN
1 stop18h 15mDelta
Sat 10/187:20 pmICN - EUG
1 stop13h 08mDelta
Deal found 4/16$1,056
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Sat 5/178:50 amBOI - ICN
1 stop20h 40mMultiple Airlines
Sat 6/146:20 pmICN - BOI
1 stop18h 50mMultiple Airlines
Deal found 4/17$1,091
This Tourvis deal was found by Cheapflights users on 4/17. 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 Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/186:11 amPDX - GMP
2 stops36h 49mChina Eastern
Sun 5/258:50 pmGMP - PDX
2 stops35h 18mChina Eastern
Deal found 4/17$1,120
This Air Canada deal was found by Cheapflights users on 4/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:40 pmPDX - ICN
1 stop28h 25mAir Canada
Wed 9/105:45 pmICN - PDX
1 stop13h 01mAir Canada
Deal found 4/17$1,126
This Jetabroad deal was found by Cheapflights users on 4/16. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/231:45 pmPDX - ICN
1 stop37h 00mWestJet
Sat 9/138:45 pmICN - PDX
1 stop32h 03mWestJet
Deal found 4/16$1,128
This United Airlines deal was found by Cheapflights users on 4/17. 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 4/217:30 amBOI - ICN
1 stop16h 30mUnited Airlines
Wed 4/234:50 pmICN - BOI
1 stop17h 24mUnited Airlines
Deal found 4/17$1,150

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 April 17, 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

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Sat 10/4

6:48 pm-4:20 am

1 stop17h 32m

Incheon Intl

Sat 10/18

4:50 pm-5:45 pm

1 stop16h 55m

$950

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Sat 10/4

7:50 am-10:15 pm

2 stops22h 25m

Incheon Intl

Sat 10/18

1:00 pm-4:50 pm

2 stops19h 50m

$959

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 5/1

9:52 pm-8:30 pm

1 stop30h 38m

Incheon Intl

Wed 5/28

10:35 am-1:25 pm

2 stops18h 50m

$960

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Sat 10/4

6:15 am-4:30 pm

1 stop18h 15m

Incheon Intl

Sat 10/18

7:20 pm-4:28 pm

1 stop13h 08m

$1,056

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 5/2

6:55 pm-12:40 pm

2 stops25h 45m

Incheon Intl

Sun 5/18

8:05 pm-9:28 am

2 stops29h 23m

$1,087

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 5/17

8:50 am-8:30 pm

1 stop20h 40m

Incheon Intl

Sat 6/14

6:20 pm-10:10 pm

1 stop18h 50m

$1,091

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sun 5/18

6:11 am-11:00 am

2 stops36h 49m

Seoul Gimpo Intl

Sun 5/25

8:50 pm-4:08 pm

2 stops35h 18m

$1,120

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 4/28

8:45 pm-11:15 am

2 stops22h 30m

Incheon Intl

Thu 5/29

8:35 pm-9:28 am

2 stops28h 53m

$1,124

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 4/29

10:10 am-4:05 pm

1 stop13h 55m

Incheon Intl

Thu 5/29

5:45 pm-2:40 pm

1 stop12h 55m

$1,126

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 5/12

6:55 pm-7:15 pm

2 stops32h 20m

Seoul Gimpo Intl

Tue 5/27

7:15 pm-1:36 pm

2 stops34h 21m

$1,174

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 36 results
1
2
3
4

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 $1,001). Flying from Oregon to South Korea in June is currently the most expensive (average of $1,650). 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 April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to South Korea as you normally would.

Rainfall in South Korea by month

Plan your trip to South Korea by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

Plan your trip to South Korea by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated April 17, 2025.
Peruse reviews from past customers who have flown with EVA Air, Japan Airlines and ANA from Oregon to South Korea to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,177 reviews
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Japan Airlines
8.3
Very good
1,440 reviews
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
ANA
8.3
Very good
844 reviews
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
China Airlines
8.2
Very good
729 reviews
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Delta
8.0
Very good
7,917 reviews
EVA Air
8.4
Very good
1,177 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $536. Cathay Pacific flights start at $588 while deals on China Airlines start at $588 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 $1,001). Flying from Oregon to South Korea in June is currently the most expensive (average of $1,650). 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 South Korea

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
Los Angeles to Narita flights
John F Kennedy Intl to Haneda flights
Newark to Haneda flights
Newark to Narita flights
Seattle to Narita flights
San Francisco to Haneda flights
Los Angeles to Manila flights
John F Kennedy Intl to Narita flights
San Francisco to Narita flights
Dallas/Fort Worth to Narita flights
Dallas/Fort Worth to Haneda flights
Seattle to Haneda flights
San Francisco to Manila flights
John F Kennedy Intl to Suvarnabhumi flights
Dulles Intl to Haneda flights
LaGuardia to Narita flights
Los Angeles to Incheon Intl flights
Los Angeles to Suvarnabhumi flights
LaGuardia to Haneda flights
O'Hare Intl to Narita flights
O'Hare Intl to Haneda flights
Hobby to Haneda flights
Boston to Narita flights
Ontario to Narita flights
John F Kennedy Intl to Incheon Intl flights
John F Kennedy Intl to Hong Kong flights
Atlanta to Haneda flights
John F Kennedy Intl to Hongqiao Intl flights
Newark to New Delhi flights
Dallas/Fort Worth to Suvarnabhumi flights
San Francisco to New Delhi flights
Dulles Intl to Narita flights
Seattle to Suvarnabhumi flights
Los Angeles to Ho Chi Minh City flights
George Bush Intcntl to Haneda flights
Seattle to Incheon Intl flights
Denver to Narita flights
Ontario to Haneda flights
John F Kennedy Intl to Taiwan Taoyuan Intl flights
John F Kennedy Intl to New Delhi flights
Los Angeles to Taiwan Taoyuan Intl flights
San Diego to Narita flights
John F Kennedy Intl to Manila flights
Honolulu to Haneda flights
Hobby to Narita flights
San Francisco to Hongqiao Intl flights
Newark to Suvarnabhumi flights
Atlanta to Narita flights
San Francisco to Taiwan Taoyuan Intl flights

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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$403Average$1,109FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$809Average$1,086FlexibilityNo cancel feeOn-time67%
China EasternCheapest$822Average$842FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$877Average$1,521FlexibilityNo cancel feeOn-time69%
DeltaCheapest$882Average$1,355FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,105Average$1,529FlexibilityNo 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.