What is the cheapest airline that flies from Incheon Intl to Oregon?

American Airlines, Alaska Airlines, and Delta are the most popular carriers operating from Incheon Intl 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 Incheon Intl Airport 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 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 Incheon Intl Airport to Oregon?

Prices for flights from Incheon Intl Airport to Oregon refresh daily.

How many operators does momondo search for flights from Incheon Intl Airport to Oregon?

There are 4 operators available for flights from Incheon Intl Airport to Oregon as of September 2026.

How old do you have to be to fly from Incheon Intl Airport to Oregon?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport to Oregon.

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

The required travel and health documents for your Oregon 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 Oregon. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$528 Cheap Flights from Incheon Intl Airport to Oregon in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Incheon Intl Airport to Oregon

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

13h 01m1 stop Vancouver Intl

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

17h 05m1 stop Vancouver Intl

$880Air Canada

Wed, Oct 21 - Mon, Oct 26

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

$880Air Canada

Fri, Oct 16 - Sun, Oct 18

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

17h 26m1 stop Vancouver Intl

10:05 am - 2:15 amPDX Portland-ICN Incheon Intl

24h 10m2 stops Vancouver Intl Osaka Kansai Intl

$886Multiple Airlines

Wed, Oct 21 - Mon, Oct 26

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

7:35 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

8:00 pm - 11:59 pmICN Incheon Intl-MFR Medford

20h 59m1 stop Seattle/Tacoma Intl

5:33 am - 5:35 pmMFR Medford-ICN Incheon Intl

19h 02m1 stop Seattle/Tacoma Intl

$986Alaska Airlines

Thu, Nov 5 - Sun, Nov 8

7:20 pm - 8:50 amICN Incheon Intl-PDX Portland

29h 30m1 stop Salt Lake City

7:10 am - 4:50 pmPDX Portland-ICN Incheon Intl

17h 40m1 stop Seattle/Tacoma Intl

$996Delta

Tue, Oct 6 - Mon, Oct 12

7:00 pm - 9:56 pmICN Incheon Intl-PDX Portland

18h 56m1 stop Seattle/Tacoma Intl

5:15 pm - 3:20 pmPDX Portland-ICN Incheon Intl

30h 05m1 stop Salt Lake City

$996Delta

Wed, Oct 7 - Sat, Oct 10

4:40 pm - 5:09 pmICN Incheon Intl-PDX Portland

16h 29m1 stop Seattle/Tacoma Intl

9:31 am - 4:40 pmPDX Portland-ICN Incheon Intl

15h 09m1 stop Seattle/Tacoma Intl

$1,126Korean Air

Mon, Oct 5 - Fri, Oct 16

2:30 pm - 10:19 pmICN Incheon Intl-PDX Portland

23h 49m1 stop Los Angeles

8:44 pm - 4:40 pmPDX Portland-ICN Incheon Intl

27h 56m1 stop Seattle/Tacoma Intl

$1,126Korean Air

Tue, Oct 6 - Fri, Oct 16

Cheap last minute flights

Enter your travel dates to find the best prices.

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

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

31h 40m1 stop Seattle/Tacoma Intl

5:15 pm - 3:20 pmPDX Portland-ICN Incheon Intl

30h 05m1 stop Salt Lake City

$1,269Delta

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

$1,275Delta

Thu, Sep 17 - Sat, Oct 10

7:35 pm - 6:38 pmICN Incheon Intl-PDX Portland

15h 03m1 stop Seattle/Tacoma Intl

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

15h 59m1 stop Seattle/Tacoma Intl

$1,298Alaska Airlines

Thu, Sep 17 - Sat, Oct 10

8:05 pm - 1:51 pmICN Incheon Intl-PDX Portland

33h 46m2 stops Hong Kong Intl Vancouver Intl

5:03 pm - 7:05 pmPDX Portland-ICN Incheon Intl

34h 02m2 stops Los Angeles Hong Kong Intl

$1,300Cathay Pacific

Thu, Sep 17 - Sat, Oct 10

5:15 pm - 3:05 pmICN Incheon Intl-PDX Portland

37h 50m2 stops Newark Denver Intl

9:00 am - 3:00 pmPDX Portland-ICN Incheon Intl

38h 00m1 stop San Francisco

$1,301United Airlines

Thu, Sep 17 - Sat, Oct 10

8:05 pm - 1:51 pmICN Incheon Intl-PDX Portland

33h 46m2 stops Hong Kong Intl Vancouver Intl

5:03 pm - 7:05 pmPDX Portland-ICN Incheon Intl

34h 02m2 stops Los Angeles Hong Kong Intl

$1,303Cathay Pacific

Thu, Sep 17 - Sat, Oct 10

5:50 pm - 11:12 pmICN Incheon Intl-PDX Portland

21h 22m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

11:49 pm - 3:45 pmPDX Portland-ICN Incheon Intl

23h 56m1 stop Dallas/Fort Worth

$1,327American Airlines

Thu, Sep 17 - Sat, Oct 10

5:50 pm - 11:12 pmICN Incheon Intl-PDX Portland

21h 22m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

11:49 pm - 3:45 pmPDX Portland-ICN Incheon Intl

23h 56m1 stop Dallas/Fort Worth

$1,333American Airlines

Thu, Sep 17 - Sat, Oct 10

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Alaska Airlines flights from Incheon Intl Airport to Oregon

Our best Alaska Airlines deals on Incheon Intl Airport to Oregon flight tickets

Alaska Airlines

Oct 11

ICN7:35 pmIncheon Intl

28h 53m

1 stop

PDX8:28 amPortland

Oct 18

PDX8:09 amPortland

17h 21m

1 stop

ICN5:30 pmIncheon Intl

$965

Alaska Airlines

Nov 5

ICN8:00 pmIncheon Intl

20h 59m

1 stop

MFR11:59 pmMedford

Nov 8

MFR5:33 amMedford

19h 02m

1 stop

ICN5:35 pmIncheon Intl

$986

Alaska Airlines

Nov 5

ICN8:00 pmIncheon Intl

20h 59m

1 stop

MFR11:59 pmMedford

Nov 8

MFR5:33 amMedford

19h 02m

1 stop

ICN5:35 pmIncheon Intl

$989

Delta flights from Incheon Intl Airport to Oregon

Our best Delta deals on Incheon Intl Airport to Oregon flight tickets

Delta

Oct 10

ICN7:20 pmIncheon Intl

18h 58m

1 stop

PDX10:18 pmPortland

Oct 12

PDX7:10 amPortland

17h 40m

1 stop

ICN4:50 pmIncheon Intl

$1,052

Delta

Oct 6

ICN8:35 pmIncheon Intl

28h 11m

2 stops

PDX8:46 amPortland

Oct 15

PDX8:44 pmPortland

27h 56m

1 stop

ICN4:40 pmIncheon Intl

$1,113

Delta

Sep 17

ICN7:00 pmIncheon Intl

32h 46m

1 stop

PDX11:46 amPortland

Oct 10

PDX5:14 pmPortland

32h 36m

1 stop

ICN5:50 pmIncheon Intl

$1,275

momondo Fare Finder

Use the filters below to find and compare flights from Incheon Intl Airport to Oregon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Wed 10/21

5:45 pm-2:46 pm

1 stop13h 01m

Portland

Mon 10/26

7:05 am-4:10 pm

1 stop17h 05m

$880

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Fri 10/16

5:45 pm-7:11 pm

1 stop17h 26m

Portland

Sun 10/18

7:45 pm-4:05 pm

1 stop28h 20m

$880

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Wed 10/21

5:45 pm-7:11 pm

1 stop17h 26m

Portland

Mon 10/26

10:05 am-2:15 am

2 stops24h 10m

$886

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

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

IncheonMedford

ICN Incheon Intl - MFR Medford

ICNMFR

Incheon Intl

Thu 11/5

8:00 pm-11:59 pm

1 stop20h 59m

Medford

Sun 11/8

5:33 am-5:35 pm

1 stop19h 02m

$986

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Tue 10/6

7:20 pm-8:50 am

1 stop29h 30m

Portland

Mon 10/12

7:10 am-4:50 pm

1 stop17h 40m

$996

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Wed 10/7

7:00 pm-9:56 pm

1 stop18h 56m

Portland

Sat 10/10

5:15 pm-3:20 pm

1 stop30h 05m

$996

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Mon 10/5

4:40 pm-5:09 pm

1 stop16h 29m

Portland

Fri 10/16

9:31 am-4:40 pm

1 stop15h 09m

$1,126

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Tue 10/6

2:30 pm-10:19 pm

1 stop23h 49m

Portland

Fri 10/16

8:44 pm-4:40 pm

1 stop27h 56m

$1,126

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 Incheon Intl Airport 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

What is the cheapest month to fly to Oregon?

The month of November is, on average, the cheapest month to fly to Oregon from Incheon Intl Airport, with most prices found around $505. The month of February is another great option to travel to Oregon, with average flight prices from Incheon Intl Airport averaging around $621.

Cheap Incheon Intl Airport to Oregon flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Incheon Intl Airport to Oregon

Best Price Found	$528
Fastest flight time	14h 09m
Direct flights	None

The best one-way flight to Oregon from Incheon Intl Airport in the past 72 hours is $528. The best round-trip flight deal from Incheon Intl Airport to Oregon found on momondo in the last 72 hours is $880.

The fastest flight from Incheon Intl Airport to Oregon takes 14h 09m

There are no direct flights from Incheon Intl Airport to Oregon. There are no popular flight routes from Incheon Intl Airport to Oregon.

Search flight deals

Frequently asked questions about flying from Incheon Intl Airport to Oregon

When did momondo last update prices for flights from Incheon Intl Airport to Oregon?
Prices for flights from Incheon Intl Airport to Oregon refresh daily.
How many operators does momondo search for flights from Incheon Intl Airport to Oregon?
There are 4 operators available for flights from Incheon Intl Airport to Oregon as of September 2026.
How old do you have to be to fly from Incheon Intl Airport to Oregon?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport to Oregon.
What documentation or ID do you need to fly to Oregon?
The required travel and health documents for your Oregon 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 Oregon. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Incheon Intl Airport to Oregon

Compare and see reviews for airlines that fly from Incheon Intl Airport to Oregon with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $337	Free Cancellation	Rating 7.9 12,931 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $565	Free Cancellation	Rating 7.1 11,630 reviews	Search Air Canada flights
Delta	PriceFrom $622	Free Cancellation	Rating 7.8 8,567 reviews	Search Delta flights
Korean Air	PriceFrom $662	Free Cancellation	Rating 8.4 1,220 reviews	Search Korean Air flights

Why use momondo?

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

It is quick and easy to find Seoul to Oregon flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Oregon that suits you.

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

Flights from Seoul to Oregon with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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 offers price alerts on flights to Oregon from Seoul. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.