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$329+ Cheap flights from South Korea to Portland (PDX)

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 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from South Korea to Portland

Keep the following information in mind while searching for South Korea to Portland flight deals. Data was last updated September 14, 2025.

Round-trip from

$329
(Trip.com)

Popular in

November

Cheapest in

February

Average price

$653
From South Korea to Portland
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 Portland

Cheapest flights from South Korea to Portland
Explore the most affordable flight options available from South Korea to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 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 9/13. 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 9/12. 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 9/14. 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 10/258:35 pmICN - PDX
1 stop19h 39mAlaska Airlines
Sun 11/25:00 amPDX - ICN
2 stops20h 25mAlaska Airlines
Deal found 9/14$449
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.
Wed 10/299:25 pmICN - PDX
1 stop34h 53mAlaska Airlines
Wed 11/51:38 pmPDX - ICN
2 stops36h 47mAlaska Airlines
Deal found 9/13$460
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.
Mon 9/158:35 pmICN - PDX
1 stop18h 12mAlaska Airlines
Sun 9/286:05 amPDX - ICN
2 stops20h 55mAlaska Airlines
Deal found 9/14$496
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 9/158:35 pmICN - PDX
1 stop19h 40mAlaska Airlines
Mon 9/229:30 pmPDX - ICN
2 stops29h 30mAlaska Airlines
Deal found 9/13$516
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:50 pmGMP - PDX
2 stops24h 00mMultiple Airlines
Sat 11/159:30 pmPDX - GMP
2 stops51h 30mMultiple Airlines
Deal found 9/13$1,047
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:00 amGMP - PDX
2 stops22h 04mMultiple Airlines
Wed 11/55:30 amPDX - GMP
2 stops23h 35mMultiple Airlines
Deal found 9/13$1,238

Cheapflights Fare Finder

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

Fly from

South Korea

Fly to

Portland

Route

Depart

Return

Price

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

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

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

Wed 10/29

9:25 pm-4:18 pm

1 stop34h 53m

Portland

Wed 11/5

1:38 pm-7:25 pm

2 stops36h 47m

$460

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 10/10

8:35 pm-12:25 pm

1 stop31h 50m

Portland

Sun 10/19

7:00 am-7:00 pm

2 stops20h 00m

$625

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sun 12/28

8:35 pm-5:57 pm

1 stop14h 22m

Portland

Fri 1/16

9:40 am-6:35 pm

1 stop15h 55m

$630

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 12/19

8:35 pm-9:45 am

2 stops30h 10m

Portland

Wed 12/31

7:15 am-6:35 pm

2 stops18h 20m

$634

BusanPortland

PUS - PDX

PUSPDX

Busan Gimhae

Fri 1/30

12:00 pm-6:30 pm

2 stops23h 30m

Portland

Thu 2/26

9:50 am-8:45 pm

2 stops17h 55m

$708

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Fri 11/14

1:50 pm-8:50 pm

2 stops24h 00m

Portland

Sat 11/15

9:30 pm-6:00 pm

2 stops51h 30m

$1,047

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 38 results
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Best time to book a flight from South Korea to Portland

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

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

Currently, November is the cheapest month in which you can book a flight from South Korea to Portland (average of $277). Flying from South Korea to Portland 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 PDX?

Find hourly flight availability from South Korea 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 September 14, 2025.

When flying from South Korea to Portland, 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 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 September 14, 2025.
Read through reviews of airlines operating flights from South Korea to Portland, such as Korean Air, Delta, and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Crew

8.7

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

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Crew

8.7

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
7,956 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Crew

8.7

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
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Crew

8.7

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 South Korea 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 South Korea?

    Most people fly into Portland (PDX) if they book a flight to Portland from South Korea. Portland is conveniently located just 6.0 mi from Portland’s city center.

  • How long is the flight from South Korea to Portland?

    There are many flights that can get you from South Korea to Portland in 18h 10m. Fly via Alaska Airlines to get the fastest option. There are 5273 mi between South Korea and Portland.

  • What are the cheapest airlines to fly from South Korea to Portland 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.

  • What are the most popular routes from South Korea to Portland?

    The most popular route from South Korea to Portland is Incheon Intl - Portland. You may also consider Seoul Gimpo Intl - Portland or Cheongju - Portland.

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

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

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

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

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

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

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

Traveling to a place near Portland?

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

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Alternative routes for South Korea to Portland

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 Portland

Discover the top 3 airlines that operate flights from South Korea 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 September 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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