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$329+ Cheap flights from South Korea to Oregon

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — PDX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from South Korea to Oregon

Keep the following information in mind while searching for South Korea to Oregon flight deals. Data was last updated September 15, 2025.

Round-trip from

$329
(Trip.com)

Popular in

November

Cheapest in

February

Average price

$653
From South Korea to Oregon
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($238 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from South Korea to Oregon

Cheapest flights from South Korea to Oregon
Explore the most affordable flight options available from South Korea to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/158:35 pmICN - PDX
1 stop18h 12mHawaiian Airlines
Sun 9/286:05 amPDX - ICN
1 stop20h 30mHawaiian Airlines
Deal found 9/14$329
This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:35 pmICN - PDX
1 stop25h 45mHawaiian Airlines
Sat 10/256:00 amPDX - ICN
1 stop20h 35mHawaiian Airlines
Deal found 9/13$330
This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:35 pmICN - PDX
1 stop21h 08mHawaiian Airlines
Thu 11/272:35 pmPDX - ICN
1 stop35h 00mHawaiian Airlines
Deal found 9/13$333
This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:35 pmICN - EUG
1 stop19h 44mAlaska Airlines
Wed 10/298:41 amEUG - ICN
1 stop17h 54mAlaska Airlines
Deal found 9/13$342
This SmartFares deal was found by Cheapflights users on 9/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:25 pmICN - PDX
1 stop16h 49mAlaska Airlines
Sat 11/155:40 pmPDX - ICN
1 stop32h 45mAlaska Airlines
Deal found 9/13$343
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/178:35 pmICN - EUG
1 stop32h 13mAlaska Airlines
Thu 10/305:45 pmEUG - ICN
1 stop32h 50mAlaska Airlines
Deal found 9/13$344
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 12/128:35 pmICN - EUG
1 stop17h 55mAlaska Airlines
Sun 12/287:00 amEUG - ICN
1 stop18h 35mAlaska Airlines
Deal found 9/14$347
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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.
Mon 10/208:35 pmICN - PDX
1 stop18h 10mAlaska Airlines
Sat 10/2510:00 pmPDX - ICN
2 stops29h 25mAlaska Airlines
Deal found 9/13$421
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 10/178:35 pmICN - EUG
1 stop16h 54mAlaska Airlines
Wed 10/294:07 pmEUG - ICN
2 stops35h 18mAlaska Airlines
Deal found 9/13$430
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/188:35 pmICN - EUG
1 stop16h 54mAlaska Airlines
Thu 10/305:20 amEUG - ICN
2 stops22h 05mAlaska Airlines
Deal found 9/13$437
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 10/138:35 pmICN - PDX
1 stop18h 10mAlaska Airlines
Mon 10/209:40 pmPDX - ICN
2 stops29h 20mAlaska Airlines
Deal found 9/12$442
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 10/178:35 pmICN - EUG
1 stop16h 54mAlaska Airlines
Mon 10/276:44 pmEUG - ICN
2 stops32h 41mAlaska Airlines
Deal found 9/13$442

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Korea to Oregon 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 September 15, 2025.
Use the filters below to find and compare flights from South Korea to Oregon that are best for you.

Fly from

South Korea

Fly to

Oregon

Route

Depart

Return

Price

IncheonEugene

ICN - EUG

ICNEUG

Incheon Intl

Fri 12/12

8:35 pm-9:30 pm

1 stop17h 55m

Eugene

Sun 12/28

7:00 am-6:35 pm

1 stop18h 35m

$347

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 10/20

8:35 pm-10:45 pm

1 stop18h 10m

Portland

Sat 10/25

10:00 pm-7:25 pm

2 stops29h 25m

$421

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 11/14

9:25 pm-9:14 pm

1 stop16h 49m

Portland

Sat 11/15

10:28 pm-7:25 pm

2 stops27h 57m

$421

IncheonEugene

ICN - EUG

ICNEUG

Incheon Intl

Sun 10/19

8:35 pm-9:29 pm

1 stop16h 54m

Eugene

Wed 10/29

12:55 pm-7:25 pm

2 stops38h 30m

$430

IncheonEugene

ICN - EUG

ICNEUG

Incheon Intl

Fri 10/17

8:35 pm-9:29 pm

1 stop16h 54m

Eugene

Wed 10/29

4:07 pm-7:25 pm

2 stops35h 18m

$430

IncheonEugene

ICN - EUG

ICNEUG

Incheon Intl

Fri 10/17

8:35 pm-9:29 pm

1 stop16h 54m

Eugene

Tue 10/28

5:20 am-7:25 pm

2 stops22h 05m

$437

IncheonEugene

ICN - EUG

ICNEUG

Incheon Intl

Mon 10/20

8:35 pm-9:29 pm

1 stop16h 54m

Eugene

Fri 10/31

5:20 am-7:25 pm

2 stops22h 05m

$437

IncheonEugene

ICN - EUG

ICNEUG

Incheon Intl

Sun 10/19

8:35 pm-9:29 pm

1 stop16h 54m

Eugene

Thu 10/30

5:20 am-7:25 pm

2 stops22h 05m

$437

IncheonEugene

ICN - EUG

ICNEUG

Incheon Intl

Sat 10/18

8:35 pm-9:29 pm

1 stop16h 54m

Eugene

Fri 10/31

5:20 am-7:25 pm

2 stops22h 05m

$437

IncheonEugene

ICN - EUG

ICNEUG

Incheon Intl

Sat 10/18

8:35 pm-9:29 pm

1 stop16h 54m

Eugene

Tue 10/28

5:20 am-7:25 pm

2 stops22h 05m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 50 results
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Best time to book a flight from South Korea to Oregon

Have a flexible travel schedule? Discover the best time to fly to Oregon from South Korea 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 South Korea to Oregon

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

Currently, November is the cheapest month in which you can book a flight from South Korea to Oregon (average of $277). Flying from South Korea to Oregon in March is currently the most expensive (average of $368). 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 KR to OR?

Find hourly flight availability from South Korea to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

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

Reviews of airlines servicing Oregon

Get insights into the airlines that provide service to Oregon. 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 Oregon. Reviews last updated September 15, 2025.
Read through reviews of airlines operating flights from South Korea to Oregon, such as Korean Air, Delta, and Air Canada. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Delta
8.0
Very good
7,956 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air Canada
7.1
Good
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

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

    A quick flight from South Korea to Oregon can take about 17h 55m. Alaska Airlines provides one of the quickest options available for as low as $347. The distance from South Korea to Oregon is about 5315 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $364 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Air China and Japan Airlines, with prices starting from $820 and $846, respectively.

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

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

  • How can I find direct flights from South Korea to Oregon?

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

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

    Yes. Cheapflights offers flight deals from South Korea to Oregon 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 South Korea to Oregon?

    Currently, November is the cheapest month in which you can book a flight from South Korea to Oregon (average of $277). Flying from South Korea to Oregon in March is currently the most expensive (average of $368). 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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Alternative routes for South Korea to Oregon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from South Korea to Oregon

Discover the top 3 airlines that operate flights from South Korea to Oregon. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$474Average$818FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$708Average$937FlexibilityNo cancel feeOn-time81%
DeltaCheapest$708Average$1,102FlexibilityNo cancel feeOn-timeN/A

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