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$393+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ICN
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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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 November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$731
(Kiwi.com)

One-way from

$393
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,010
Provider with most accurate pricing for Portland-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Portland-Seoul (SEL) flights.
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From Oregon to South Korea
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One-way flight from Oregon to South Korea
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Highest demand for flights based on searches. 17% potential increase in price ($226 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 5, 2025.

This Air Canada deal was found by Cheapflights users on 11/4. 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 11/177:00 pmPDX - ICN
1 stop29h 10mMultiple Airlines
Thu 11/272:35 pmICN - PDX
2 stops20h 55mMultiple Airlines
Deal found 11/4$769
This Expedia deal was found by Cheapflights users on 11/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:00 pmPDX - ICN
1 stop29h 10mAir Canada
Mon 11/246:55 pmICN - PDX
1 stop12h 45mAir Canada
Deal found 11/5$812
This Air Canada deal was found by Cheapflights users on 11/4. 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.
Tue 11/117:00 pmPDX - ICN
1 stop29h 10mAir Canada
Tue 1/136:55 pmICN - PDX
1 stop16h 35mAir Canada
Deal found 11/4$813
This Air Canada deal was found by Cheapflights users on 11/5. 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 11/107:00 pmPDX - ICN
1 stop29h 10mAir Canada
Wed 6/35:45 pmICN - PDX
1 stop17h 01mAir Canada
Deal found 11/5$831
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/35:50 pmPDX - ICN
2 stops34h 45mMultiple Airlines
Wed 12/106:55 pmICN - PDX
1 stop14h 55mMultiple Airlines
Deal found 11/3$837
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/57:00 amPDX - ICN
2 stops37h 50mMultiple Airlines
Fri 12/126:55 pmICN - PDX
1 stop18h 55mMultiple Airlines
Deal found 11/4$848
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/67:44 pmPDX - ICN
2 stops32h 51mMultiple Airlines
Wed 12/106:55 pmICN - PDX
1 stop14h 55mMultiple Airlines
Deal found 11/3$857
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Fri 12/55:49 pmPDX - ICN
2 stops34h 46mMultiple Airlines
Wed 12/106:55 pmICN - PDX
1 stop14h 55mMultiple Airlines
Deal found 11/3$862
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/27:00 amPDX - ICN
2 stops37h 10mMultiple Airlines
Tue 12/91:20 pmICN - PDX
1 stop17h 15mMultiple Airlines
Deal found 11/4$865
This Sembo deal was found by Cheapflights users on 11/5. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:00 pmPDX - ICN
1 stop29h 10mMultiple Airlines
Mon 11/242:35 pmICN - PDX
2 stops35h 40mMultiple Airlines
Deal found 11/5$872
This Air Canada deal was found by Cheapflights users on 11/4. 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.
Tue 11/187:00 pmPDX - ICN
1 stop29h 10mAir Canada
Mon 12/16:55 pmICN - PDX
1 stop16h 35mAir Canada
Deal found 11/4$878
This oojo deal was found by Cheapflights users on 11/3. 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.
Wed 12/37:04 amPDX - GMP
2 stops22h 01mJapan Airlines
Wed 12/1012:05 pmGMP - PDX
2 stops21h 45mJapan Airlines
Deal found 11/3$908

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 November 5, 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

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

10:00 am-6:35 pm

1 stop16h 35m

Incheon Intl

Sun 2/1

8:35 pm-11:01 pm

1 stop18h 26m

$861

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 3/7

2:45 pm-6:35 pm

1 stop34h 50m

Incheon Intl

Sun 3/15

8:35 pm-5:59 pm

1 stop13h 24m

$871

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Wed 2/18

7:50 am-6:35 pm

1 stop17h 45m

Incheon Intl

Sat 3/7

8:35 pm-9:02 pm

1 stop17h 27m

$880

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 3/15

9:40 am-6:35 pm

1 stop16h 55m

Incheon Intl

Thu 3/26

8:35 pm-7:54 am

1 stop27h 19m

$894

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/30

7:49 pm-4:30 am

1 stop16h 41m

Incheon Intl

Thu 5/28

8:40 pm-8:45 pm

1 stop16h 05m

$903

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Wed 12/3

7:04 am-10:05 pm

2 stops22h 01m

Seoul Gimpo Intl

Wed 12/10

12:05 pm-4:50 pm

2 stops21h 45m

$908

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 12/1

6:00 pm-5:20 am

1 stop19h 20m

Incheon Intl

Thu 12/11

9:20 pm-3:44 pm

2 stops34h 24m

$908

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 4/15

7:40 am-6:35 pm

1 stop18h 55m

Incheon Intl

Fri 5/8

8:35 pm-12:03 am

1 stop19h 28m

$916

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 4/15

7:40 am-6:35 pm

1 stop18h 55m

Incheon Intl

Sun 5/10

8:35 pm-12:03 am

1 stop19h 28m

$916

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Wed 2/18

7:00 am-10:05 pm

2 stops22h 05m

Seoul Gimpo Intl

Wed 2/25

8:00 am-4:28 pm

2 stops25h 28m

$918

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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, 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 November 5, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 45% 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 November 3, 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 35m. 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 Air Canada, which is currently one of the cheapest options available, starting at $439. Alaska Airlines flights start at $458 while deals on American Airlines start at $481 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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$767Average$1,292FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$809Average$1,102FlexibilityNo cancel feeOn-time67%
China EasternCheapest$822Average$842FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$847Average$1,072FlexibilityNo cancel feeOn-time75%
DeltaCheapest$849Average$1,208FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$877Average$1,197FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$912Average$1,126FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,082Average$1,418FlexibilityNo cancel feeOn-time81%

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