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$409+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — PDX
ene. 8 — ene. 151
jue. 1/8
jue. 1/15
1 adult, Economy
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Cheap 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 diciembre 9, 2025.

This WhyPayMore deal was found by Cheapflights users on 12/8. 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.
jue. 12/188:35 pmICN - PDX
1 stop15h 11mHawaiian Airlines
vie. 12/261:51 pmPDX - ICN
1 stop35h 44mHawaiian Airlines
Deal found 12/8$597
This Delta deal was found by Cheapflights users on 12/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/238:05 pmICN - PDX
1 stop32h 33mDelta
mar. 12/305:25 pmPDX - ICN
1 stop30h 05mDelta
Deal found 12/7$599
This Delta deal was found by Cheapflights users on 12/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/178:05 pmICN - PDX
1 stop19h 35mDelta
sáb. 2/283:55 pmPDX - ICN
1 stop31h 35mDelta
Deal found 12/9$601
This Alaska Airlines deal was found by Cheapflights users on 12/7. 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.
sáb. 12/278:35 pmICN - PDX
1 stop20h 37mAlaska Airlines
dom. 12/285:10 amPDX - ICN
1 stop20h 25mAlaska Airlines
Deal found 12/7$607
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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.
dom. 12/218:35 pmICN - PDX
1 stop20h 37mAlaska Airlines
dom. 12/286:14 amPDX - ICN
1 stop19h 21mAlaska Airlines
Deal found 12/9$615
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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.
dom. 12/288:35 pmICN - PDX
1 stop26h 43mAlaska Airlines
vie. 1/165:35 pmPDX - ICN
1 stop32h 00mAlaska Airlines
Deal found 12/9$626
This Alaska Airlines deal was found by Cheapflights users on 12/7. 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.
lun. 12/228:35 pmICN - PDX
1 stop26h 43mAlaska Airlines
sáb. 12/271:51 pmPDX - ICN
1 stop35h 44mAlaska Airlines
Deal found 12/7$627
This Alaska Airlines deal was found by Cheapflights users on 12/7. 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.
lun. 12/228:35 pmICN - PDX
1 stop20h 40mAlaska Airlines
mié. 12/315:30 pmPDX - ICN
2 stops32h 05mAlaska Airlines
Deal found 12/7$638
This Delta deal was found by Cheapflights users on 12/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/218:05 pmICN - PDX
1 stop18h 51mDelta
mar. 12/305:25 pmPDX - ICN
1 stop30h 05mDelta
Deal found 12/7$650
This Alaska Airlines deal was found by Cheapflights users on 12/7. 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.
jue. 12/258:35 pmICN - PDX
2 stops26h 50mAlaska Airlines
mié. 12/315:10 amPDX - ICN
1 stop20h 25mAlaska Airlines
Deal found 12/7$652
This Alaska Airlines deal was found by Cheapflights users on 12/7. 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.
dom. 12/218:35 pmICN - PDX
1 stop26h 43mAlaska Airlines
vie. 12/265:10 amPDX - ICN
1 stop20h 25mAlaska Airlines
Deal found 12/7$654
This Japan Airlines deal was found by Cheapflights users on 12/8. 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.
mié. 12/248:00 amGMP - PDX
2 stops26h 11mMultiple Airlines
lun. 12/297:15 amPDX - GMP
2 stops21h 50mMultiple Airlines
Deal found 12/8$1,545

Find 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 diciembre 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$587
(American Airlines)

One-way from

$409
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$839
Provider with most accurate pricing for Seoul (SEL)-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Portland flights.
Search Deals
From Seoul (SEL) to Portland
Search Deals
One-way flight from Seoul (SEL) to Portland
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($137 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 diciembre 9, 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

mar. 12/23

8:05 pm-11:55 pm

1 stop20h 50m

Portland

mar. 1/13

1:30 pm-4:30 pm

1 stop34h 00m

$599

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

mar. 12/23

8:05 pm-11:38 am

1 stop32h 33m

Portland

mar. 12/30

5:25 pm-4:30 pm

1 stop30h 05m

$599

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

lun. 12/22

8:05 pm-8:38 am

1 stop29h 33m

Portland

lun. 12/29

7:30 pm-4:30 pm

1 stop28h 00m

$599

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

vie. 2/20

8:05 pm-8:31 am

1 stop29h 26m

Portland

lun. 3/2

7:35 pm-4:30 pm

1 stop27h 55m

$599

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

mar. 4/7

7:20 pm-8:59 pm

1 stop17h 39m

Portland

mar. 4/21

7:40 pm-4:30 pm

1 stop28h 50m

$599

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

mié. 12/24

8:05 pm-8:38 am

1 stop29h 33m

Portland

lun. 12/29

5:25 pm-4:30 pm

1 stop30h 05m

$599

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

sáb. 12/27

8:35 pm-12:12 am

1 stop20h 37m

Portland

dom. 12/28

5:10 am-6:35 pm

1 stop20h 25m

$607

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

sáb. 2/7

8:35 pm-10:46 pm

1 stop19h 11m

Portland

vie. 2/13

8:30 am-6:35 pm

1 stop17h 05m

$615

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

dom. 12/21

8:35 pm-12:12 am

1 stop20h 37m

Portland

dom. 12/28

6:14 am-6:35 pm

1 stop19h 21m

$615

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

vie. 1/23

12:25 pm-6:30 pm

2 stops23h 05m

Portland

vie. 1/30

9:50 am-10:30 pm

2 stops19h 40m

$1,032

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 25 results
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Compare providers for flights from Seoul to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seoul to Portland in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seoul-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seoul-Portland flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seoul-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul-Portland flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seoul-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $349). Flying from Seoul to Portland in January is currently the most expensive (average of $820). 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 diciembre 9, 2025.

One of the essential ways to save on airfare from Seoul to Portland is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 10% 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 diciembre 9, 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
1,183 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

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
1,183 reviews
Korean Air
8.4
Very good
1,183 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

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
7.9
Good
8,011 reviews
Korean Air
8.4
Very good
1,183 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

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
10,514 reviews
Korean Air
8.4
Very good
1,183 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

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.

  • How long is the flight from Seoul to Portland?

    A quick flight from Seoul to Portland can take about 20h 50m. Delta provides one of the quickest options available for as low as $599. Airlines will cover a distance of 5273 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 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 Delta and Korean Air, starting at $635 and $706 round-trip. These flights start at 44% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Seoul to Portland are Delta ($469), Air Canada ($501), and United Airlines ($549).

  • 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 $349). Flying from Seoul to Portland in January is currently the most expensive (average of $820). 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
Clackamas
Lincoln City
Lake Oswego
Beaverton
McMinnville
Hillsboro
Troutdale
Cannon Beach
Long Beach
Longview
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Pacific City
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
Incheon Intl to Eugene flights
Gimpo Intl to Portland flights
Busan to Portland flights
Incheon Intl to Medford 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 diciembre 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$474Average$741FlexibilityNo cancel feeOn-time67%
DeltaCheapest$635Average$1,094FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$706Average$937FlexibilityNo cancel feeOn-time81%

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