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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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ICN
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
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 19, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$691
(Air Canada)

One-way from

$368
(Alaska Airlines)

Popular in

June

Cheapest in

February

Average price

$1,092
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
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($229 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 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 19, 2025.

This Air Canada deal was found by Cheapflights users on 11/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:50 amPDX - ICN
1 stop14h 20mAir Canada
Sun 12/215:55 pmICN - PDX
1 stop13h 45mAir Canada
Deal found 11/18$691
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:48 amPDX - ICN
2 stops42h 47mMultiple Airlines
Fri 12/121:20 pmICN - PDX
1 stop20h 17mMultiple Airlines
Deal found 11/18$795
This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/19:50 amPDX - ICN
1 stop14h 20mAir Canada
Wed 12/105:55 pmICN - PDX
1 stop13h 45mAir Canada
Deal found 11/19$799
This Air Canada deal was found by Cheapflights users on 11/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:15 pmPDX - ICN
1 stop31h 45mAir Canada
Thu 12/186:55 pmICN - PDX
1 stop12h 45mAir Canada
Deal found 11/18$801
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:20 amPDX - ICN
2 stops39h 55mMultiple Airlines
Thu 12/111:20 pmICN - PDX
1 stop20h 17mMultiple Airlines
Deal found 11/18$806
This Air Canada deal was found by Cheapflights users on 11/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/29:50 amPDX - ICN
2 stops19h 35mMultiple Airlines
Fri 12/125:55 pmICN - PDX
1 stop13h 45mMultiple Airlines
Deal found 11/18$812
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:14 amPDX - ICN
2 stops36h 06mMultiple Airlines
Fri 12/1210:20 pmICN - PDX
1 stop27h 33mMultiple Airlines
Deal found 11/18$816
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:14 amPDX - ICN
2 stops36h 06mMultiple Airlines
Thu 12/111:20 pmICN - PDX
1 stop20h 17mMultiple Airlines
Deal found 11/18$826
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:25 amPDX - ICN
2 stops20h 40mMultiple Airlines
Fri 12/121:20 pmICN - PDX
1 stop20h 17mMultiple Airlines
Deal found 11/18$830
This Air Canada deal was found by Cheapflights users on 11/17. 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.
Tue 11/189:50 amPDX - ICN
1 stop14h 20mAir Canada
Mon 12/16:55 pmICN - PDX
1 stop16h 35mAir Canada
Deal found 11/17$837
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:32 pmPDX - ICN
1 stop29h 48mMultiple Airlines
Thu 12/111:20 pmICN - PDX
1 stop20h 17mMultiple Airlines
Deal found 11/18$840
This United Airlines deal was found by Cheapflights users on 11/17. 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 11/177:00 pmBOI - ICN
1 stop18h 40mUnited Airlines
Mon 11/246:00 pmICN - BOI
1 stop14h 03mUnited Airlines
Deal found 11/17$916

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 19, 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

Sun 1/25

7:10 am-6:35 pm

1 stop18h 25m

Incheon Intl

Thu 1/29

8:35 pm-12:09 am

1 stop20h 34m

$716

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-11:59 pm

1 stop19h 24m

$716

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 2/10

2:38 pm-6:35 pm

1 stop34h 57m

Incheon Intl

Fri 2/20

8:35 pm-9:10 pm

1 stop17h 35m

$721

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 3/1

9:15 am-4:30 pm

1 stop14h 15m

Incheon Intl

Sun 4/5

7:20 pm-7:11 pm

1 stop15h 51m

$816

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 4/1

7:10 am-4:30 pm

1 stop17h 20m

Incheon Intl

Sun 4/12

7:20 pm-7:11 pm

1 stop15h 51m

$816

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 2/27

9:15 am-4:30 pm

1 stop14h 15m

Incheon Intl

Tue 3/17

8:05 pm-7:11 pm

1 stop15h 06m

$816

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 2/20

10:30 am-6:35 pm

1 stop15h 05m

Incheon Intl

Mon 2/23

8:35 pm-10:41 pm

1 stop19h 06m

$816

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Fri 3/13

10:38 am-4:30 pm

1 stop14h 52m

Incheon Intl

Thu 3/19

8:05 pm-10:06 pm

1 stop17h 01m

$816

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 3/28

11:30 am-6:35 pm

1 stop15h 05m

Incheon Intl

Thu 4/9

8:35 pm-8:43 pm

1 stop16h 08m

$816

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

5:45 am-4:30 pm

2 stops18h 45m

Incheon Intl

Sun 2/1

8:05 pm-9:58 pm

1 stop17h 53m

$820

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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 19, 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 14h 15m. 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $368. Air Canada flights start at $401 while deals on Delta start at $418 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

Browse thousands of different options on Cheapflights for your next trip

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See prices for flight routes from nearby airports that may be better suited for you.
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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 19, 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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