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

Alaska Airlines, Air Canada, and Japan Airlines are the most popular carriers operating from Seoul to Oregon

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 13h 20m 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 airlines fly to Oregon?

Korean Air, Air Canada and Alaska Airlines are the top three most popular airlines that fly to Oregon from Seoul according to our data. Korean Air is the first choice among our users, with 27% of people opting to fly with this airline when traveling to Oregon. Keep in mind that there are 4 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 August 2026, there are 4 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.

$511 Cheap Flights from Seoul to Oregon in 2026

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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.

6:55 pm - 9:26 amICN Incheon Intl-PDX Portland

31h 31m1 stop Vancouver Intl

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

14h 10m1 stop Vancouver Intl

$757Air Canada

Fri, Nov 20 - Fri, Nov 27

5:45 pm - 7:06 pmICN Incheon Intl-PDX Portland

17h 21m1 stop Vancouver Intl

10:00 am - 4:10 pmPDX Portland-ICN Incheon Intl

14h 10m1 stop Vancouver Intl

$776Air Canada

Mon, Oct 19 - Mon, Oct 26

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

33h 00m2 stops San Francisco Newark

10:43 am - 4:20 amPDX Portland-ICN Incheon Intl

25h 37m2 stops Denver Intl San Francisco

$776United Airlines

Tue, Oct 13 - Thu, Oct 22

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

33h 00m2 stops San Francisco Newark

7:00 am - 3:00 pmPDX Portland-ICN Incheon Intl

16h 00m1 stop San Francisco

$776United Airlines

Tue, Oct 13 - Thu, Oct 22

5:45 pm - 2:51 pmICN Incheon Intl-PDX Portland

13h 06m1 stop Vancouver Intl

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

28h 20m1 stop Vancouver Intl

$776Air Canada

Tue, Oct 13 - Thu, Oct 22

5:45 pm - 7:06 pmICN Incheon Intl-PDX Portland

17h 21m1 stop Vancouver Intl

5:36 am - 4:10 pmPDX Portland-ICN Incheon Intl

18h 34m2 stops San Francisco Vancouver Intl

$780Multiple Airlines

Mon, Oct 19 - Mon, Oct 26

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

31h 40m1 stop Seattle/Tacoma Intl

7:00 am - 4:50 pmPDX Portland-ICN Incheon Intl

17h 50m1 stop Seattle/Tacoma Intl

$802Delta

Thu, Sep 17 - Wed, Sep 23

7:00 pm - 10:02 pmICN Incheon Intl-PDX Portland

19h 02m1 stop Seattle/Tacoma Intl

7:00 am - 4:50 pmPDX Portland-ICN Incheon Intl

17h 50m1 stop Seattle/Tacoma Intl

$802Delta

Thu, Sep 17 - Thu, Sep 24

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

13h 15m1 stop Seattle/Tacoma Intl

6:18 pm - 5:30 pmPDX Portland-ICN Incheon Intl

31h 12m2 stops Los Angeles Seattle/Tacoma Intl

$902Alaska Airlines

Thu, Sep 17 - Sat, Oct 10

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

13h 15m1 stop Seattle/Tacoma Intl

6:18 pm - 5:30 pmPDX Portland-ICN Incheon Intl

31h 12m2 stops Los Angeles Seattle/Tacoma Intl

$905Alaska Airlines

Thu, Sep 17 - Sat, Oct 10

Cheap last minute flights

Enter your travel dates to find the best prices.

10:40 am - 2:51 pmICN Incheon Intl-PDX Portland

20h 11m2 stops Osaka Kansai Intl Vancouver Intl

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

28h 20m1 stop Vancouver Intl

$1,333Multiple Airlines

Thu, Aug 13 - Thu, Sep 17

10:40 am - 2:51 pmICN Incheon Intl-PDX Portland

20h 11m2 stops Osaka Kansai Intl Vancouver Intl

7:45 pm - 5:05 pmPDX Portland-ICN Incheon Intl

29h 20m2 stops Vancouver Intl Hong Kong Intl

$1,350Multiple Airlines

Thu, Aug 13 - Thu, Sep 17

8:40 pm - 9:46 amICN Incheon Intl-PDX Portland

29h 06m1 stop Vancouver Intl

2:30 pm - 6:45 pmPDX Portland-ICN Incheon Intl

36h 15m1 stop Calgary

$1,429Multiple Airlines

Thu, Aug 13 - Tue, Aug 18

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

31h 46m1 stop Vancouver Intl

3:30 pm - 4:05 pmPDX Portland-ICN Incheon Intl

32h 35m1 stop Vancouver Intl

$1,506Air Canada

Thu, Aug 13 - Thu, Sep 17

5:45 pm - 2:51 pmICN Incheon Intl-PDX Portland

13h 06m1 stop Vancouver Intl

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

28h 20m1 stop Vancouver Intl

$1,627Air Canada

Sat, Aug 15 - Thu, Sep 17

7:35 pm - 11:30 pmICN Incheon Intl-PDX Portland

19h 55m1 stop Seattle/Tacoma Intl

9:27 pm - 5:30 pmPDX Portland-ICN Incheon Intl

28h 03m2 stops Los Angeles Seattle/Tacoma Intl

$1,633Alaska Airlines

Thu, Aug 13 - Sun, Aug 16

7:35 pm - 4:55 pmICN Incheon Intl-PDX Portland

13h 20m1 stop Seattle/Tacoma Intl

5:37 pm - 5:30 pmPDX Portland-ICN Incheon Intl

31h 53m2 stops Los Angeles Seattle/Tacoma Intl

$1,633Alaska Airlines

Thu, Aug 13 - Fri, Aug 14

5:45 pm - 2:51 pmICN Incheon Intl-PDX Portland

13h 06m1 stop Vancouver Intl

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

28h 20m1 stop Vancouver Intl

$1,637Air Canada

Sat, Aug 15 - Thu, Sep 17

7:35 pm - 4:55 pmICN Incheon Intl-PDX Portland

13h 20m1 stop Seattle/Tacoma Intl

9:27 pm - 5:30 pmPDX Portland-ICN Incheon Intl

28h 03m2 stops Los Angeles Seattle/Tacoma Intl

$1,663Alaska Airlines

Thu, Aug 13 - Thu, Aug 13

7:40 pm - 1:38 pmICN Incheon Intl-PDX Portland

33h 58m1 stop Minneapolis St Paul

5:54 pm - 4:40 pmPDX Portland-ICN Incheon Intl

30h 46m1 stop Seattle/Tacoma Intl

$4,645Delta

Sat, Aug 15 - Mon, Aug 17

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Air Canada flights from Seoul to Oregon

Our best Air Canada deals on Seoul to Oregon flight tickets

Air Canada

Nov 20

ICN6:55 pmIncheon Intl

31h 31m

1 stop

PDX9:26 amPortland

Nov 27

PDX10:00 amPortland

14h 10m

1 stop

ICN5:10 pmIncheon Intl

$757

Air Canada

Nov 20

ICN6:55 pmIncheon Intl

22h 49m

2 stops

PDX12:44 amPortland

Nov 27

PDX10:00 amPortland

14h 10m

1 stop

ICN5:10 pmIncheon Intl

$777

Air Canada

Sep 17

ICN5:45 pmIncheon Intl

13h 01m

1 stop

PDX2:46 pmPortland

Sep 23

PDX7:45 pmPortland

28h 20m

1 stop

ICN4:05 pmIncheon Intl

$798

United Airlines flights from Seoul to Oregon

Our best United Airlines deals on Seoul to Oregon flight tickets

United Airlines

Oct 13

ICN4:50 pmIncheon Intl

33h 00m

2 stops

PDX9:50 amPortland

Oct 22

PDX7:00 amPortland

16h 00m

1 stop

ICN3:00 pmIncheon Intl

$776

United Airlines

Sep 16

ICN11:30 amIncheon Intl

16h 13m

1 stop

EUG11:43 amEugene

Sep 19

EUG5:00 amEugene

55h 20m

2 stops

ICN4:20 amIncheon Intl

$803

United Airlines

Oct 16

ICN4:50 pmIncheon Intl

35h 00m

1 stop

MFR11:50 amMedford

Oct 19

MFR5:00 amMedford

31h 20m

2 stops

ICN4:20 amIncheon Intl

$805

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Fri 11/20

6:55 pm-9:26 am

1 stop31h 31m

Portland

Fri 11/27

10:00 am-5:10 pm

1 stop14h 10m

$757

Quickest round-trip

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Mon 10/19

5:45 pm-7:06 pm

1 stop17h 21m

Portland

Mon 10/26

10:00 am-4:10 pm

1 stop14h 10m

$776

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Tue 10/13

4:50 pm-9:50 am

2 stops33h 00m

Portland

Thu 10/22

10:43 am-4:20 am

2 stops25h 37m

$776

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Tue 10/13

4:50 pm-9:50 am

2 stops33h 00m

Portland

Thu 10/22

7:00 am-3:00 pm

1 stop16h 00m

$776

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Tue 10/13

5:45 pm-2:51 pm

1 stop13h 06m

Portland

Thu 10/22

7:45 pm-4:05 pm

1 stop28h 20m

$776

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Mon 10/19

5:45 pm-7:06 pm

1 stop17h 21m

Portland

Mon 10/26

5:36 am-4:10 pm

2 stops18h 34m

$780

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Thu 9/17

7:00 pm-10:40 am

1 stop31h 40m

Portland

Wed 9/23

7:00 am-4:50 pm

1 stop17h 50m

$802

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Thu 9/17

7:00 pm-10:02 pm

1 stop19h 02m

Portland

Thu 9/24

7:00 am-4:50 pm

1 stop17h 50m

$802

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Thu 9/17

7:35 pm-4:50 pm

1 stop13h 15m

Portland

Sat 10/10

6:18 pm-5:30 pm

2 stops31h 12m

$902

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Thu 9/17

7:35 pm-4:50 pm

1 stop13h 15m

Portland

Sat 10/10

6:18 pm-5:30 pm

2 stops31h 12m

$905

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 November is, on average, the cheapest month to fly to Oregon from Seoul, with most prices found around $607. The month of February is another great option to travel to Oregon, with average flight prices from Seoul averaging around $612.

Cheap Seoul to Oregon flight deals and tips

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

Fastest flight time	16h 13m
Direct flights	None

The fastest flight from Seoul to Oregon takes 16h 13m

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 August 2026, there are 4 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
Alaska Airlines	PriceFrom $337	Free Cancellation	Rating 7.9 12,794 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $565	Free Cancellation	Rating 7.1 11,460 reviews	Search Air Canada flights
Delta	PriceFrom $622	Free Cancellation	Rating 7.8 8,500 reviews	Search Delta flights
Korean Air	PriceFrom $662	Free Cancellation	Rating 8.4 1,221 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.