What is the cheapest airline that flies from Seoul to Portland?

Alaska Airlines and Japan Airlines are the most popular carriers operating from Seoul to Portland

How long does it take to fly to Portland?

On average, it takes 14h 04m to fly from Seoul to Portland if you fly out of Incheon (the most popular airport in Seoul) and into Portland (the most popular airport in Portland). If you’re flying out of Seoul and into Portland, then the flight time is around 22h 21m.

Which layover airport offers the lowest fares from Seoul to Portland?

Flights via Seattle (SEA) offer the lowest average round-trip price of $869.

What airlines fly to Portland?

Delta, Korean Air and Air Canada are the top three most popular airlines that fly to Portland from Seoul according to our data. Delta is the first choice among our users, with 26% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 4 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Seoul and Portland?

Seattle (SEA) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Seoul to Portland?

Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 14h 02m.

Which layover airport has the shortest connection time from Seoul to Portland?

San Francisco (SFO) has the shortest average layover time for this route: 1h 54m.

When did momondo last update prices for flights from Seoul to Portland Airport?

Prices for flights from Seoul to Portland Airport refresh daily.

How many operators does momondo search for flights from Seoul to Portland Airport?

As of September 2026, there are 4 operators available to choose from for flights from Seoul to Portland Airport.

How old do you have to be to fly from Seoul to Portland Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$552 Cheap Flights from Seoul to Portland in 2026

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Find the cheapest flights from Seoul to Portland

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:55 pm - 8:46 pmICN Incheon Intl-PDX Portland

18h 51m1 stop Vancouver Intl

10:00 am - 5:10 pmPDX Portland-ICN Incheon Intl

14h 10m1 stop Vancouver Intl

$879Air Canada

Wed, Nov 18 - Wed, Nov 25

5:55 pm - 8:46 pmICN Incheon Intl-PDX Portland

18h 51m1 stop Vancouver Intl

7:15 pm - 5:10 pmPDX Portland-ICN Incheon Intl

28h 55m1 stop Vancouver Intl

$883Air Canada

Mon, Oct 26 - Mon, Nov 2

8:00 pm - 8:46 pmICN Incheon Intl-PDX Portland

40h 46m2 stops Hong Kong Intl Vancouver Intl

7:15 pm - 5:10 pmPDX Portland-ICN Incheon Intl

28h 55m1 stop Vancouver Intl

$912Air Canada

Mon, Oct 26 - Mon, Nov 2

3:00 pm - 8:46 pmICN Incheon Intl-PDX Portland

22h 46m2 stops Beijing Capital Vancouver Intl

7:00 am - 5:10 pmPDX Portland-ICN Incheon Intl

17h 10m1 stop Vancouver Intl

$936Multiple Airlines

Thu, Nov 26 - Wed, Dec 2

8:00 pm - 8:46 pmICN Incheon Intl-PDX Portland

40h 46m2 stops Hong Kong Intl Vancouver Intl

10:00 am - 10:00 pmPDX Portland-ICN Incheon Intl

19h 00m2 stops Vancouver Intl Osaka Kansai Intl

$957Multiple Airlines

Mon, Oct 26 - Mon, Nov 2

7:15 pm - 9:29 amICN Incheon Intl-PDX Portland

30h 14m1 stop San Francisco

7:18 am - 9:20 pmPDX Portland-ICN Incheon Intl

22h 02m1 stop San Francisco

$964Multiple Airlines

Fri, Oct 23 - Fri, Oct 30

7:35 pm - 8:28 amICN Incheon Intl-PDX Portland

28h 53m1 stop Seattle/Tacoma Intl

8:09 am - 5:30 pmPDX Portland-ICN Incheon Intl

17h 21m1 stop Seattle/Tacoma Intl

$965Alaska Airlines

Sun, Oct 11 - Sun, Oct 18

6:45 pm - 10:52 amICN Incheon Intl-PDX Portland

33h 07m1 stop Seattle/Tacoma Intl

5:50 pm - 5:45 pmPDX Portland-ICN Incheon Intl

30h 55m1 stop Seattle/Tacoma Intl

$995Delta

Mon, Nov 16 - Sat, Nov 28

7:00 pm - 11:46 amICN Incheon Intl-PDX Portland

32h 46m1 stop Seattle/Tacoma Intl

5:33 am - 3:20 pmPDX Portland-ICN Incheon Intl

17h 47m1 stop Salt Lake City

$997Delta

Thu, Oct 1 - Tue, Oct 13

8:00 pm - 9:28 amICN Incheon Intl-PDX Portland

30h 28m2 stops Seattle/Tacoma Intl San Francisco

5:19 am - 5:35 pmPDX Portland-ICN Incheon Intl

19h 16m1 stop Seattle/Tacoma Intl

$1,034Alaska Airlines

Mon, Nov 16 - Sat, Nov 28

Cheap last minute flights

Enter your travel dates to find the best prices.

10:40 am - 2:46 pmICN Incheon Intl-PDX Portland

20h 06m2 stops Osaka Kansai Intl Vancouver Intl

7:10 pm - 5:10 pmPDX Portland-ICN Incheon Intl

29h 00m1 stop Vancouver Intl

$1,175Multiple Airlines

Tue, Sep 15 - Thu, Nov 26

4:50 pm - 9:50 amICN Incheon Intl-PDX Portland

33h 00m2 stops San Francisco Newark

8:30 am - 5:40 amPDX Portland-ICN Incheon Intl

28h 10m2 stops Washington, D.C. Dulles Intl San Francisco

$1,216United Airlines

Tue, Sep 15 - Thu, Nov 26

5:45 pm - 2:46 pmICN Incheon Intl-PDX Portland

13h 01m1 stop Vancouver Intl

7:10 pm - 5:10 pmPDX Portland-ICN Incheon Intl

29h 00m1 stop Vancouver Intl

$1,221Air Canada

Tue, Sep 15 - Thu, Nov 26

7:35 pm - 11:55 pmICN Incheon Intl-PDX Portland

20h 20m1 stop Seattle/Tacoma Intl

11:03 am - 5:30 pmPDX Portland-ICN Incheon Intl

14h 27m1 stop Seattle/Tacoma Intl

$1,224Alaska Airlines

Thu, Sep 17 - Sat, Oct 10

7:35 pm - 11:55 pmICN Incheon Intl-PDX Portland

20h 20m1 stop Seattle/Tacoma Intl

11:03 am - 5:30 pmPDX Portland-ICN Incheon Intl

14h 27m1 stop Seattle/Tacoma Intl

$1,247Alaska Airlines

Thu, Sep 17 - Sat, Oct 10

7:35 pm - 11:55 pmICN Incheon Intl-PDX Portland

20h 20m1 stop Seattle/Tacoma Intl

11:03 am - 5:30 pmPDX Portland-ICN Incheon Intl

14h 27m1 stop Seattle/Tacoma Intl

$1,251Alaska Airlines

Thu, Sep 17 - Sat, Oct 10

7:45 pm - 9:31 amICN Incheon Intl-PDX Portland

29h 46m2 stops Hong Kong Intl Vancouver Intl

7:45 pm - 12:40 pmPDX Portland-ICN Incheon Intl

24h 55m2 stops Vancouver Intl Hong Kong Intl

$1,253Multiple Airlines

Thu, Sep 17 - Sat, Oct 10

7:00 pm - 11:46 amICN Incheon Intl-PDX Portland

32h 46m1 stop Seattle/Tacoma Intl

5:14 pm - 5:50 pmPDX Portland-ICN Incheon Intl

32h 36m1 stop Los Angeles

$1,272Delta

Thu, Sep 17 - Sat, Oct 10

7:00 pm - 10:40 amICN Incheon Intl-PDX Portland

31h 40m1 stop Seattle/Tacoma Intl

5:29 pm - 4:20 amPDX Portland-ICN Incheon Intl

17h 51m1 stop Los Angeles

$1,275Delta

Tue, Sep 15 - Tue, Dec 15

7:00 pm - 11:46 amICN Incheon Intl-PDX Portland

32h 46m1 stop Seattle/Tacoma Intl

5:14 pm - 5:50 pmPDX Portland-ICN Incheon Intl

32h 36m1 stop Los Angeles

$1,275Delta

Thu, Sep 17 - Sat, Oct 10

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American Airlines flights from Seoul to Portland

Our best American Airlines deals on Seoul to Portland flight tickets

American Airlines

Oct 3

ICN5:50 pmIncheon Intl

35h 32m

1 stop

PDX1:22 pmPortland

Oct 15

PDX11:58 amPortland

35h 47m

1 stop

ICN3:45 pmIncheon Intl

$1,094

American Airlines

Oct 3

ICN5:50 pmIncheon Intl

35h 32m

1 stop

PDX1:22 pmPortland

Oct 15

PDX11:58 amPortland

35h 47m

1 stop

ICN3:45 pmIncheon Intl

$1,095

American Airlines

Oct 3

ICN5:50 pmIncheon Intl

21h 33m

1 stop

PDX11:23 pmPortland

Oct 15

PDX11:58 amPortland

35h 47m

1 stop

ICN3:45 pmIncheon Intl

$1,096

Japan Airlines flights from Seoul to Portland

Our best Japan Airlines deals on Seoul to Portland flight tickets

Japan Airlines

Oct 15

GMP8:00 amSeoul Gimpo Intl

30h 49m

2 stops

PDX10:49 pmPortland

Oct 19

PDX6:30 amPortland

22h 45m

2 stops

GMP9:15 pmSeoul Gimpo Intl

$1,521

Japan Airlines

Oct 15

GMP8:00 amSeoul Gimpo Intl

30h 49m

2 stops

PDX10:49 pmPortland

Oct 19

PDX6:30 amPortland

22h 45m

2 stops

GMP9:15 pmSeoul Gimpo Intl

$1,583

Japan Airlines

Oct 15

GMP8:00 amSeoul Gimpo Intl

30h 49m

2 stops

PDX10:49 pmPortland

Oct 19

PDX6:30 amPortland

22h 45m

2 stops

GMP9:15 pmSeoul Gimpo Intl

$1,584

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Wed 11/18

6:55 pm-8:46 pm

1 stop18h 51m

Portland

Wed 11/25

10:00 am-5:10 pm

1 stop14h 10m

$879

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Mon 10/26

5:55 pm-8:46 pm

1 stop18h 51m

Portland

Mon 11/2

7:15 pm-5:10 pm

1 stop28h 55m

$883

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Mon 10/26

8:00 pm-8:46 pm

2 stops40h 46m

Portland

Mon 11/2

7:15 pm-5:10 pm

1 stop28h 55m

$912

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Thu 11/26

3:00 pm-8:46 pm

2 stops22h 46m

Portland

Wed 12/2

7:00 am-5:10 pm

1 stop17h 10m

$936

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Mon 10/26

8:00 pm-8:46 pm

2 stops40h 46m

Portland

Mon 11/2

10:00 am-10:00 pm

2 stops19h 00m

$957

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Fri 10/23

7:15 pm-9:29 am

1 stop30h 14m

Portland

Fri 10/30

7:18 am-9:20 pm

1 stop22h 02m

$964

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Sun 10/11

7:35 pm-8:28 am

1 stop28h 53m

Portland

Sun 10/18

8:09 am-5:30 pm

1 stop17h 21m

$965

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Mon 11/16

6:45 pm-10:52 am

1 stop33h 07m

Portland

Sat 11/28

5:50 pm-5:45 pm

1 stop30h 55m

$995

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Thu 10/1

7:00 pm-11:46 am

1 stop32h 46m

Portland

Tue 10/13

5:33 am-3:20 pm

1 stop17h 47m

$997

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Mon 11/16

8:00 pm-9:28 am

2 stops30h 28m

Portland

Sat 11/28

5:19 am-5:35 pm

1 stop19h 16m

$1,034

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Other information

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Seoul is in November. Flight prices, which tend to average around $617, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in November, then you should wait until February to fly from Seoul, when ticket prices are also cheap, with an average price of $628.

How have Seoul to Portland flight prices changed over time?

When to book flights from Seoul to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul to Portland according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seoul to Portland (SEL to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul to Portland

Best Price Found	$552
Fastest flight time	14h 04m
Direct flights	None

The best one-way flight to Portland from Seoul in the past 72 hours is $552. The best round-trip flight deal from Seoul to Portland found on momondo in the last 72 hours is $879.

The fastest flight from Seoul to Portland takes 14h 04m

There are no direct flights from Seoul to Portland. There are no popular flight routes from Seoul to Portland.

Search flight deals

Frequently asked questions about flying from Seoul to Portland

How far is Seoul to Portland by plane?
The straight-line distance from Seoul to Portland is 5247.7 mi. Typically, this will take 14h 04m by plane in normal conditions.
When did momondo last update prices for flights from Seoul to Portland Airport?
Prices for flights from Seoul to Portland Airport refresh daily.
How many operators does momondo search for flights from Seoul to Portland Airport?
As of September 2026, there are 4 operators available to choose from for flights from Seoul to Portland Airport.
How old do you have to be to fly from Seoul to Portland Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Seoul to Portland

Compare and see reviews for airlines that fly from Seoul to Portland with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $337	Free Cancellation	Rating 7.9 12,917 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $565	Free Cancellation	Rating 7.1 11,619 reviews	Search Air Canada flights
Delta	PriceFrom $622	Free Cancellation	Rating 7.8 8,568 reviews	Search Delta flights
Korean Air	PriceFrom $662	Free Cancellation	Rating 8.4 1,220 reviews	Search Korean Air flights

Lincoln City

Seaside

Vancouver

Salem

Cannon Beach

Astoria

Beaverton

Long Beach

Rockaway Beach

Hillsboro

Tigard

Hood River

Longview

Depoe Bay

Newberg

Clackamas

Troutdale

Gresham

McMinnville

Wilsonville

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Portland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seoul to Portland for you.

Can I find flights from Seoul to Portland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seoul to Portland flights to just show those with flexible booking policies.

How can momondo help me find flights from Seoul to Portland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seoul to Portland.

I’m not ready to book a flight from Seoul to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seoul to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

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Cheap flights from Seoul to Portland from $552

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to Portland departing on 11/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Seoul to Portland

Our best American Airlines deals on Seoul to Portland flight tickets

Japan Airlines flights from Seoul to Portland

Our best Japan Airlines deals on Seoul to Portland flight tickets

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See travel insights to Portland from

How to get the cheapest flight ticket from Seoul to Portland

What is the cheapest month to fly to Portland?

How have Seoul to Portland flight prices changed over time?

What is the cheapest airline that flies from Seoul to Portland?

What airlines fly to Portland?

Which airport is the most popular layover for flights between Seoul and Portland?

Which layover airport offers the lowest fares from Seoul to Portland?

Which layover airport has the shortest travel time from Seoul to Portland?

Which layover airport has the shortest connection time from Seoul to Portland?

How long does it take to fly to Portland?

When to book flights from Seoul to Portland

Cheap Seoul to Portland (SEL to PDX) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Seoul to Portland

Best airlines flying from Seoul to Portland

Compare and see reviews for airlines that fly from Seoul to Portland with momondo

Traveling to a place near Portland?

Why use momondo?

An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Oregon

Fly your favorite airline to Portland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portland

List of cabin classes available on flights landing in Portland. Availability may vary depending on flight origin and airline.

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