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$329+ Cheap flights from Seoul (SEL) 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.
SEL — PDX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Seoul to Oregon

Keep the following information in mind while searching for Seoul 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 Seoul (SEL) 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 Seoul to Oregon

Cheapest flights from Seoul to Oregon
Explore the most affordable flight options available from Seoul 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 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 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.
Wed 10/229:25 pmICN - PDX
1 stop17h 05mAlaska Airlines
Tue 11/47:09 amPDX - ICN
1 stop19h 16mAlaska Airlines
Deal found 9/14$347
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 Jetabroad deal was found by Cheapflights users on 9/15. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:35 pmICN - PDX
1 stop16h 02mAlaska Airlines
Thu 11/65:30 pmPDX - ICN
1 stop32h 05mAlaska Airlines
Deal found 9/15$351
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.
Thu 10/238:35 pmICN - PDX
1 stop15h 53mAlaska Airlines
Mon 11/310:25 amPDX - ICN
1 stop40h 00mAlaska Airlines
Deal found 9/14$369
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.
Wed 10/229:25 pmICN - PDX
1 stop17h 05mAlaska Airlines
Fri 11/75:40 pmPDX - ICN
1 stop32h 45mAlaska Airlines
Deal found 9/14$380
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 10/248:35 pmICN - PDX
2 stops28h 52mAlaska Airlines
Tue 11/47:09 amPDX - ICN
1 stop19h 16mAlaska Airlines
Deal found 9/14$414
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/208:35 pmICN - PDX
1 stop15h 53mAlaska Airlines
Sat 10/2510:00 pmPDX - ICN
2 stops29h 25mAlaska Airlines
Deal found 9/15$421
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/308:35 pmICN - EUG
1 stop32h 01mAlaska Airlines
Thu 11/61:02 pmEUG - ICN
2 stops60h 33mAlaska Airlines
Deal found 9/15$460

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul 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 Seoul to Oregon that are best for you.

Fly from

Seoul

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

Thu 10/23

8:35 pm-6:20 am

1 stop25h 45m

Portland

Fri 11/7

5:40 pm-7:25 pm

1 stop32h 45m

$369

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 10/24

8:35 pm-9:27 am

2 stops28h 52m

Portland

Tue 11/4

7:09 am-7:25 pm

1 stop19h 16m

$414

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 10/24

8:35 pm-10:45 pm

1 stop18h 10m

Portland

Sat 11/8

10:28 pm-7:25 pm

2 stops27h 57m

$421

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

Mon 10/13

8:35 pm-10:45 pm

1 stop18h 10m

Portland

Mon 10/20

9:40 pm-7:00 pm

2 stops29h 20m

$442

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 10/27

9:25 pm-5:34 am

1 stop24h 09m

Portland

Sun 11/2

5:00 am-6:25 pm

2 stops20h 25m

$449

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 10/25

8:35 pm-12:14 am

1 stop19h 39m

Portland

Sun 11/2

5:00 am-6:25 pm

2 stops20h 25m

$449

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sun 10/26

8:35 pm-12:09 am

1 stop19h 34m

Portland

Sun 11/2

5:00 am-6:25 pm

2 stops20h 25m

$449

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 10/22

9:25 pm-10:30 pm

1 stop17h 05m

Portland

Sun 11/2

5:00 am-6:25 pm

2 stops20h 25m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 49 results
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Best time to book a flight from Seoul to Oregon

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

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

Currently, November is the cheapest month in which you can book a flight from Seoul to Oregon (average of $277). Flying from Seoul 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 SEL to OR?

Find hourly flight availability from Seoul 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.

When flying from Seoul to Oregon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.
Get a feel of what it's like to fly with Korean Air, Delta, and Air Canada from Seoul to Oregon by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

Food

8.1

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

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

Food

8.1

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
7,954 reviews
Korean Air
8.4
Very good
1,139 reviews

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

Food

8.1

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

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Comfort

8.3

Food

8.1

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 Seoul 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 Seoul to Oregon?

    Alaska Airlines and United Airlines can get you from Seoul to Oregon in just under 16h 14m. Your travel time can differ by up to 1h 41m. The distance from Seoul to Oregon is about 5315 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    One-way options have recently been found by users for as low as $364 on Alaska Airlines. Other airlines that offer cheap prices include Air China from $820 and Japan Airlines from $846 one-way.

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

    When deciding which route to take from Seoul to Oregon consider Incheon Intl - Portland, Seoul Gimpo Intl - Portland or Incheon Intl - Eugene as they are the most popular.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Seoul to Oregon (average of $277). Flying from Seoul 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

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Alternative routes for Seoul 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 Seoul to Oregon

Discover the top 3 airlines that operate flights from Seoul 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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