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$386+ Cheap flights from Seoul (SEL) to Portland (PDX)

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — PDX
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Seoul to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$603
(WhyPayMore)

One-way from

$386
(Trip.com)

Popular in

November

Cheapest in

February

Average price

$829
From Seoul (SEL) to Portland
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One-way flight from Seoul (SEL) to Portland
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Highest demand for flights based on searches. 14% potential increase in price ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Seoul to Portland

Cheapest flights from Seoul to Portland
Explore the most affordable flight options available from Seoul to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This WhyPayMore deal was found by Cheapflights users on 8/13. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/109:25 pmICN - PDX
1 stop17h 05mAlaska Airlines
Sun 10/1910:35 amPDX - ICN
1 stop16h 00mAlaska Airlines
Deal found 8/13$603
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 11/288:35 pmICN - PDX
1 stop19h 25mAlaska Airlines
Tue 12/29:50 pmPDX - ICN
2 stops27h 45mAlaska Airlines
Deal found 8/13$616
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 9/228:35 pmICN - PDX
2 stops29h 12mAlaska Airlines
Sat 9/277:00 amPDX - ICN
1 stop19h 35mAlaska Airlines
Deal found 8/14$618
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 9/228:35 pmICN - PDX
2 stops29h 12mAlaska Airlines
Fri 9/267:00 amPDX - ICN
1 stop19h 35mAlaska Airlines
Deal found 8/14$637
This Hawaiian Airlines deal was found by Cheapflights users on 8/13. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:35 pmICN - PDX
1 stop29h 31mHawaiian Airlines
Sat 11/82:30 pmPDX - ICN
1 stop35h 05mHawaiian Airlines
Deal found 8/13$645
This Hawaiian Airlines deal was found by Cheapflights users on 8/14. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:35 pmICN - PDX
1 stop19h 40mHawaiian Airlines
Fri 9/267:31 pmPDX - ICN
1 stop31h 04mHawaiian Airlines
Deal found 8/14$648
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 9/218:35 pmICN - PDX
1 stop19h 40mAlaska Airlines
Thu 9/257:00 amPDX - ICN
1 stop19h 35mAlaska Airlines
Deal found 8/13$653
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Sat 11/158:35 pmICN - PDX
1 stop20h 34mAlaska Airlines
Fri 11/215:20 amPDX - ICN
1 stop20h 15mAlaska Airlines
Deal found 8/14$654
This Hawaiian Airlines deal was found by Cheapflights users on 8/13. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:25 pmICN - PDX
1 stop34h 53mHawaiian Airlines
Sun 11/27:30 amPDX - ICN
1 stop18h 05mHawaiian Airlines
Deal found 8/13$657
This Gotogate deal was found by Cheapflights users on 8/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:45 amGMP - PDX
2 stops27h 45mANA
Tue 12/29:50 amPDX - GMP
2 stops39h 45mANA
Deal found 8/13$1,078
This Japan Airlines deal was found by Cheapflights users on 8/12. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:05 pmGMP - PDX
2 stops17h 45mJapan Airlines
Tue 10/147:45 amPDX - GMP
2 stops22h 05mJapan Airlines
Deal found 8/12$1,208
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:55 amGMP - PDX
2 stops22h 28mMultiple Airlines
Sun 10/52:56 pmPDX - GMP
2 stops27h 49mMultiple Airlines
Deal found 8/14$1,227

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul to Portland 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 August 14, 2025.
Use the filters below to find and compare flights from Seoul to Portland that are best for you.

Fly from

Seoul

Fly to

Portland

Route

Depart

Return

Price

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 10/10

9:25 pm-10:30 pm

1 stop17h 05m

Portland

Sun 10/19

10:35 am-6:35 pm

1 stop16h 00m

$603

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 11/28

8:35 pm-11:00 pm

1 stop19h 25m

Portland

Tue 12/2

9:50 pm-6:35 pm

2 stops27h 45m

$616

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 9/22

8:35 pm-9:47 am

2 stops29h 12m

Portland

Sat 9/27

7:00 am-6:35 pm

1 stop19h 35m

$618

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 9/22

8:35 pm-9:47 am

2 stops29h 12m

Portland

Fri 9/26

7:00 am-6:35 pm

1 stop19h 35m

$637

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 11/1

8:35 pm-10:06 am

1 stop29h 31m

Portland

Sat 11/8

2:30 pm-6:35 pm

1 stop35h 05m

$645

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sun 10/12

9:25 pm-6:00 am

1 stop24h 35m

Portland

Fri 10/24

4:25 pm-6:35 pm

1 stop34h 10m

$648

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sun 9/21

8:35 pm-6:17 am

1 stop25h 42m

Portland

Sat 9/27

2:32 pm-6:35 pm

1 stop36h 03m

$648

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 9/22

8:35 pm-1:47 pm

1 stop33h 12m

Portland

Sun 9/28

6:05 am-6:35 pm

1 stop20h 30m

$648

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 10/25

8:35 pm-6:17 am

1 stop25h 42m

Portland

Sun 11/2

7:30 am-6:35 pm

1 stop18h 05m

$648

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 9/22

8:35 pm-12:15 am

1 stop19h 40m

Portland

Fri 9/26

7:31 pm-6:35 pm

1 stop31h 04m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 36 results
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Best time to book a flight from Seoul to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland 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 Portland

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

Currently, November is the cheapest month in which you can book a flight from Seoul to Portland (average of $277). Flying from Seoul to Portland in March is currently the most expensive (average of $369). 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 PDX?

Find hourly flight availability from Seoul to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

One of the essential ways to save on airfare from Seoul to Portland is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 29% on airfare.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated August 14, 2025.
Get a feel of what it's like to fly with Korean Air, Delta, and Air Canada from Seoul to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,131 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Crew

8.7

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
1,131 reviews
Korean Air
8.4
Very good
1,131 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Crew

8.7

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
7,980 reviews
Korean Air
8.4
Very good
1,131 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Crew

8.7

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
9,949 reviews
Korean Air
8.4
Very good
1,131 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Crew

8.7

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 Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from Seoul?

    Located just 6.0 mi from the city center, Portland is the airport most travelers will use when flying to Portland from Seoul. Booking flights from Seoul to Portland (PDX) should be relatively easy as there are 0 daily inbound flights from Seoul from 3 different airlines.

  • What are the cheapest airlines flying from Seoul to Portland round-trip?

    Our cheapest airline available from Seoul to Portland is Air Canada. Our recent data shows that you can find tickets from as low as $474 on this airline. Additional options worth looking into are Korean Air and Delta, starting at $708 and $708 round-trip. These flights start at 47% lower than the current average price 3 months from now.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Seoul to Portland (average of $277). Flying from Seoul to Portland in March is currently the most expensive (average of $369). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Lincoln City
Cannon Beach
Long Beach
Longview
Tigard
Depoe Bay
Stevenson
Woodburn
Wilsonville
Pacific City
Troutdale
Tillamook
Gresham

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seoul to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Portland flights
Gimpo Intl to Portland flights
Incheon Intl to Eugene flights
Incheon Intl to Medford flights
Busan to Portland flights

Top 3 airlines flying from Seoul to Portland

Discover the top 3 airlines that operate flights from Seoul to Portland. 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 August 14, 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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