How long is the flight from Seoul to Oregon?

Flight times from Seoul to Oregon vary, but if you’re flying out of Incheon and flying into Portland (one of the most popular routes), then the duration is 16h 35m on average. Another popular route from Seoul to Oregon is flying from Seoul to Portland, which will take roughly 20h 26m. Keep in mind that layovers or delays could extend your travel time.

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

Alaska Airlines is the most popular carrier operating from Seoul to Oregon

What airlines fly to Oregon?

Delta, Korean Air and Air Canada are the top three most popular airlines that fly to Oregon from Seoul according to our data. Delta is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Oregon. Keep in mind that there are 3 different airlines that fly to Oregon on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Seoul to Oregon were last updated today.

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

As of October 2026, there are 3 operators available to choose from for flights from Seoul to Oregon.

How old do you have to be to fly from Seoul to Oregon?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul to Oregon.

What documentation or ID do you need to fly to Oregon?

The necessary travel and health documents for your Oregon trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$543 Cheap Flights from Seoul to Oregon in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seoul to Oregon

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 pm - 9:52 pmICN Incheon Intl-PDX Portland

18h 52m1 stop Seattle/Tacoma Intl

6:02 am - 5:35 pmPDX Portland-ICN Incheon Intl

18h 33m1 stop Seattle/Tacoma Intl

$769Alaska Airlines

Thu, Dec 24 - Fri, Jan 1

5:45 pm - 9:31 amICN Incheon Intl-PDX Portland

31h 46m1 stop Vancouver Intl

7:05 am - 4:10 pmPDX Portland-ICN Incheon Intl

17h 05m1 stop Vancouver Intl

$863Air Canada

Fri, Oct 16 - Thu, Oct 29

6:55 pm - 6:31 pmICN Incheon Intl-PDX Portland

16h 36m1 stop Vancouver Intl

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

17h 10m1 stop Vancouver Intl

$865Air Canada

Mon, Nov 2 - Tue, Nov 10

5:45 pm - 7:11 pmICN Incheon Intl-PDX Portland

17h 26m1 stop Vancouver Intl

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

14h 10m1 stop Vancouver Intl

$865Air Canada

Tue, Oct 13 - Tue, Dec 1

6:00 pm - 4:44 pmICN Incheon Intl-PDX Portland

14h 44m1 stop San Francisco

2:53 pm - 9:20 pmPDX Portland-ICN Incheon Intl

38h 27m1 stop San Francisco

$945Multiple Airlines

Sat, Oct 24 - Sat, Oct 31

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

28h 53m1 stop Seattle/Tacoma Intl

11:03 am - 5:35 pmPDX Portland-ICN Incheon Intl

14h 32m1 stop Seattle/Tacoma Intl

$978Alaska Airlines

Thu, Oct 22 - Sun, Oct 25

7:00 pm - 8:00 pmICN Incheon Intl-PDX Portland

17h 00m1 stop Seattle/Tacoma Intl

7:10 am - 5:45 pmPDX Portland-ICN Incheon Intl

18h 35m1 stop Seattle/Tacoma Intl

$979Delta

Fri, Oct 16 - Thu, Oct 29

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

33h 07m1 stop Seattle/Tacoma Intl

5:51 pm - 5:45 pmPDX Portland-ICN Incheon Intl

30h 54m1 stop Seattle/Tacoma Intl

$982Delta

Mon, Nov 16 - Sat, Nov 28

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

33h 07m1 stop Seattle/Tacoma Intl

5:51 pm - 5:45 pmPDX Portland-ICN Incheon Intl

30h 54m1 stop Seattle/Tacoma Intl

$983Delta

Mon, Nov 16 - Sat, Nov 28

9:20 pm - 4:59 pmICN Incheon Intl-PDX Portland

12h 39m1 stop Seattle/Tacoma Intl

7:40 pm - 5:20 amPDX Portland-ICN Incheon Intl

16h 40m1 stop Seattle/Tacoma Intl

$4,270Korean Air

Wed, Feb 3 - Wed, Feb 17

Cheap last minute flights

Enter your travel dates to find the best prices.

7:35 pm - 7:54 pmICN Incheon Intl-PDX Portland

16h 19m1 stop Seattle/Tacoma Intl

5:06 am - 5:30 pmPDX Portland-ICN Incheon Intl

20h 24m1 stop Seattle/Tacoma Intl

$1,096Alaska Airlines

Sat, Oct 3 - Thu, Oct 15

7:35 pm - 7:54 pmICN Incheon Intl-PDX Portland

16h 19m1 stop Seattle/Tacoma Intl

5:06 am - 5:30 pmPDX Portland-ICN Incheon Intl

20h 24m1 stop Seattle/Tacoma Intl

$1,106Alaska Airlines

Sat, Oct 3 - Thu, Oct 15

7:35 pm - 4:50 pmICN Incheon Intl-PDX Portland

13h 15m1 stop Seattle/Tacoma Intl

9:31 am - 5:30 pmPDX Portland-ICN Incheon Intl

15h 59m1 stop Seattle/Tacoma Intl

$1,129Alaska Airlines

Sat, Oct 3 - Thu, Oct 15

7:35 pm - 7:54 pmICN Incheon Intl-PDX Portland

16h 19m1 stop Seattle/Tacoma Intl

5:06 am - 5:30 pmPDX Portland-ICN Incheon Intl

20h 24m1 stop Seattle/Tacoma Intl

$1,147Alaska Airlines

Sat, Oct 3 - Thu, Oct 15

5:45 pm - 7:11 pmICN Incheon Intl-PDX Portland

17h 26m1 stop Vancouver Intl

7:45 pm - 4:05 pmPDX Portland-ICN Incheon Intl

28h 20m1 stop Vancouver Intl

$1,148Air Canada

Mon, Oct 5 - Mon, Oct 12

7:35 pm - 7:54 pmICN Incheon Intl-PDX Portland

16h 19m1 stop Seattle/Tacoma Intl

5:06 am - 5:30 pmPDX Portland-ICN Incheon Intl

20h 24m1 stop Seattle/Tacoma Intl

$1,174Alaska Airlines

Sat, Oct 3 - Thu, Oct 15

7:45 pm - 7:11 pmICN Incheon Intl-PDX Portland

39h 26m2 stops Hong Kong Intl Vancouver Intl

7:45 pm - 4:05 pmPDX Portland-ICN Incheon Intl

28h 20m1 stop Vancouver Intl

$1,178Air Canada

Sat, Oct 3 - Thu, Oct 15

7:35 pm - 11:16 pmICN Incheon Intl-PDX Portland

19h 41m2 stops Seattle/Tacoma Intl Los Angeles

7:09 am - 5:30 pmPDX Portland-ICN Incheon Intl

18h 21m1 stop Seattle/Tacoma Intl

$1,179Alaska Airlines

Sat, Oct 3 - Thu, Oct 15

7:45 pm - 7:11 pmICN Incheon Intl-PDX Portland

39h 26m2 stops Hong Kong Intl Vancouver Intl

7:45 pm - 4:05 pmPDX Portland-ICN Incheon Intl

28h 20m1 stop Vancouver Intl

$1,186Air Canada

Sat, Oct 3 - Thu, Oct 15

8:00 am - 4:44 pmICN Incheon Intl-PDX Portland

24h 44m2 stops Hong Kong Intl San Francisco

7:09 am - 12:25 amPDX Portland-ICN Incheon Intl

25h 16m2 stops Seattle/Tacoma Intl Hong Kong Intl

$1,187Multiple Airlines

Sat, Oct 3 - Thu, Oct 15

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Air Canada flights from Seoul to Oregon

Our best Air Canada deals on Seoul to Oregon flight tickets

Air Canada

Oct 16

ICN5:45 pmIncheon Intl

31h 46m

1 stop

PDX9:31 amPortland

Oct 29

PDX7:05 amPortland

17h 05m

1 stop

ICN4:10 pmIncheon Intl

$863

Air Canada

Oct 13

ICN5:45 pmIncheon Intl

17h 26m

1 stop

PDX7:11 pmPortland

Dec 1

PDX10:00 amPortland

14h 10m

1 stop

ICN5:10 pmIncheon Intl

$865

Air Canada

Oct 22

ICN5:45 pmIncheon Intl

31h 46m

1 stop

PDX9:31 amPortland

Nov 5

PDX7:10 pmPortland

29h 00m

1 stop

ICN5:10 pmIncheon Intl

$880

Alaska Airlines flights from Seoul to Oregon

Our best Alaska Airlines deals on Seoul to Oregon flight tickets

Alaska Airlines

Dec 24

ICN8:00 pmIncheon Intl

18h 52m

1 stop

PDX9:52 pmPortland

Jan 1

PDX6:02 amPortland

18h 33m

1 stop

ICN5:35 pmIncheon Intl

$769

Alaska Airlines

Oct 22

ICN7:35 pmIncheon Intl

28h 53m

1 stop

PDX8:28 amPortland

Oct 25

PDX11:03 amPortland

14h 32m

1 stop

ICN5:35 pmIncheon Intl

$978

Alaska Airlines

Oct 22

ICN7:35 pmIncheon Intl

28h 53m

1 stop

PDX8:28 amPortland

Oct 25

PDX11:03 amPortland

14h 32m

1 stop

ICN5:35 pmIncheon Intl

$981

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Thu 12/24

8:00 pm-9:52 pm

1 stop18h 52m

Portland

Fri 1/1

6:02 am-5:35 pm

1 stop18h 33m

$769

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Fri 10/16

5:45 pm-9:31 am

1 stop31h 46m

Portland

Thu 10/29

7:05 am-4:10 pm

1 stop17h 05m

$863

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Mon 11/2

6:55 pm-6:31 pm

1 stop16h 36m

Portland

Tue 11/10

7:00 am-5:10 pm

1 stop17h 10m

$865

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Tue 10/13

5:45 pm-7:11 pm

1 stop17h 26m

Portland

Tue 12/1

10:00 am-5:10 pm

1 stop14h 10m

$865

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Sat 10/24

6:00 pm-4:44 pm

1 stop14h 44m

Portland

Sat 10/31

2:53 pm-9:20 pm

1 stop38h 27m

$945

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Thu 10/22

7:35 pm-8:28 am

1 stop28h 53m

Portland

Sun 10/25

11:03 am-5:35 pm

1 stop14h 32m

$978

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Fri 10/16

7:00 pm-8:00 pm

1 stop17h 00m

Portland

Thu 10/29

7:10 am-5:45 pm

1 stop18h 35m

$979

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

5:51 pm-5:45 pm

1 stop30h 54m

$982

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

5:51 pm-5:45 pm

1 stop30h 54m

$983

Quickest round-trip

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Wed 2/3

9:20 pm-4:59 pm

1 stop12h 39m

Portland

Wed 2/17

7:40 pm-5:20 am

1 stop16h 40m

$4,270

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 Oregon

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

Other information

What is the cheapest month to fly to Oregon?

The month of February is, on average, the cheapest month to fly to Oregon from Seoul, with most prices found around $637. The month of December is another great option to travel to Oregon, with average flight prices from Seoul averaging around $666.

Cheap Seoul to Oregon flight deals and tips

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

Best Price Found	$543
Fastest flight time	16h 00m
Direct flights	None

The best one-way flight to Oregon from Seoul in the past 72 hours is $543. The best round-trip flight deal from Seoul to Oregon found on momondo in the last 72 hours is $769.

The fastest flight from Seoul to Oregon takes 16h 00m

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

Search flight deals

Frequently asked questions about flying from Seoul to Oregon

When did momondo last update prices for flights from Seoul to Oregon?
Prices for flights from Seoul to Oregon were last updated today.
How many operators does momondo search for flights from Seoul to Oregon?
As of October 2026, there are 3 operators available to choose from for flights from Seoul to Oregon.
How old do you have to be to fly from Seoul to Oregon?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul to Oregon.
What documentation or ID do you need to fly to Oregon?
The necessary travel and health documents for your Oregon trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seoul to Oregon

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $565	Free Cancellation	Rating 7.1 11,707 reviews	Search Air Canada flights
Delta	PriceFrom $622	Free Cancellation	Rating 7.8 8,612 reviews	Search Delta flights
Korean Air	PriceFrom $662	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seoul to Oregon. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Oregon from Seoul which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Seoul to Oregon flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Seoul to Oregon flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.