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$368+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — PDX
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$580
(Expedia)

One-way from

$368
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$1,260
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. 22% potential increase in price ($263 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 October 2025
Search Deals

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 October 16, 2025.

This Air Canada deal was found by Cheapflights users on 10/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:55 pmICN - PDX
1 stop16h 35mAir Canada
Tue 1/133:15 pmPDX - ICN
1 stop32h 55mAir Canada
Deal found 10/15$613
This FlightHub deal was found by Cheapflights users on 10/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:55 pmICN - PDX
1 stop31h 20mAir Canada
Wed 12/313:15 pmPDX - ICN
1 stop32h 55mAir Canada
Deal found 10/16$614
This Air Canada deal was found by Cheapflights users on 10/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:55 pmICN - PDX
1 stop16h 35mAir Canada
Mon 12/89:50 amPDX - ICN
1 stop14h 20mAir Canada
Deal found 10/15$616
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:05 pmICN - PDX
1 stop15h 45mDelta
Sat 2/285:45 pmPDX - ICN
1 stop29h 45mDelta
Deal found 10/15$621
This CheapOair deal was found by Cheapflights users on 10/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:55 pmICN - PDX
1 stop31h 20mAir Canada
Fri 1/169:50 amPDX - ICN
1 stop14h 20mAir Canada
Deal found 10/15$648
This Priceline deal was found by Cheapflights users on 10/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:55 pmICN - PDX
1 stop31h 20mAir Canada
Sun 12/73:15 pmPDX - ICN
1 stop32h 55mAir Canada
Deal found 10/16$649
This Air Canada deal was found by Cheapflights users on 10/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:55 pmICN - PDX
1 stop31h 20mAir Canada
Thu 12/43:15 pmPDX - ICN
1 stop32h 55mAir Canada
Deal found 10/15$651
This Air Canada deal was found by Cheapflights users on 10/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:55 pmICN - PDX
1 stop31h 20mAir Canada
Sat 12/69:50 amPDX - ICN
1 stop14h 20mAir Canada
Deal found 10/15$686
This Air Canada deal was found by Cheapflights users on 10/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:55 pmICN - PDX
2 stops44h 57mAir Canada
Thu 12/49:50 amPDX - ICN
1 stop14h 20mAir Canada
Deal found 10/15$708
This Air Canada deal was found by Cheapflights users on 10/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:55 pmICN - PDX
2 stops44h 57mAir Canada
Fri 12/59:50 amPDX - ICN
1 stop14h 20mAir Canada
Deal found 10/15$714
This Air Canada deal was found by Cheapflights users on 10/16. 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 12/176:55 pmICN - PDX
1 stop16h 35mMultiple Airlines
Sat 2/287:49 pmPDX - ICN
2 stops28h 21mMultiple Airlines
Deal found 10/16$722
This Gotogate deal was found by Cheapflights users on 10/16. 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.
Mon 10/278:25 amGMP - PDX
2 stops40h 50mMultiple Airlines
Fri 10/319:50 amPDX - GMP
2 stops35h 40mMultiple Airlines
Deal found 10/16$1,786

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 October 16, 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

Sun 2/1

8:35 pm-8:47 pm

1 stop17h 12m

Portland

Wed 2/25

8:40 am-6:35 pm

1 stop16h 55m

$614

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 2/4

8:05 pm-4:29 pm

1 stop13h 24m

Portland

Sat 2/28

11:10 am-4:30 pm

1 stop36h 20m

$621

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 12/17

8:05 pm-12:15 am

1 stop21h 10m

Portland

Sat 2/28

5:45 pm-4:30 pm

1 stop29h 45m

$624

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sun 2/1

8:35 pm-5:59 pm

1 stop14h 24m

Portland

Fri 2/27

9:30 pm-6:35 pm

1 stop28h 05m

$625

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 1/31

8:35 pm-6:56 pm

1 stop15h 21m

Portland

Fri 2/27

5:30 pm-6:35 pm

1 stop32h 05m

$625

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Thu 2/5

12:45 pm-9:12 pm

2 stops25h 27m

Portland

Wed 2/25

7:30 am-4:15 pm

1 stop15h 45m

$646

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 2/2

6:00 pm-10:53 pm

2 stops21h 53m

Portland

Wed 2/25

7:49 pm-5:40 am

1 stop16h 51m

$646

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Tue 2/3

6:00 pm-6:56 pm

1 stop17h 56m

Portland

Mon 3/2

11:55 pm-4:15 pm

2 stops23h 20m

$646

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 1/30

6:00 pm-2:46 pm

1 stop13h 46m

Portland

Tue 3/3

8:30 am-5:40 am

2 stops28h 10m

$646

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Tue 2/3

6:00 pm-2:46 pm

1 stop13h 46m

Portland

Sun 3/1

11:55 pm-4:15 pm

2 stops23h 20m

$646

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 43 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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Portland flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $352). Flying from Seoul to Portland in January is currently the most expensive (average of $822). 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 October 16, 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.

How much does it cost to fly round-trip from Seoul to Portland?

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 October 16, 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
1,149 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

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
1,149 reviews
Korean Air
8.4
Very good
1,149 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

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
1,149 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

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
10,304 reviews
Korean Air
8.4
Very good
1,149 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

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 13h 24m. Alaska Airlines provides one of the quickest options available for as low as $621. 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 Korean Air and Delta, starting at $706 and $708 round-trip. These flights start at 49% 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 Alaska Airlines ($391), Japan Airlines ($825), and EVA Air ($899).

  • 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 $352). Flying from Seoul to Portland in January is currently the most expensive (average of $822). 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
Cannon Beach
Long Beach
Longview
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Pacific City
Tillamook
Gresham
Troutdale

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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
Incheon Intl to Medford flights
Gimpo Intl to Portland 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$474Average$818FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$706Average$937FlexibilityNo cancel feeOn-time81%
DeltaCheapest$708Average$1,102FlexibilityNo cancel feeOn-timeN/A

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