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Cheap flights from Oregon to Seoul from $351

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Seoul departing on 10/1. 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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Cheap round-trip flights

Logo
5:08 pm - 6:45 pmPDX-ICN
33h 37m2 stops
Logo
6:20 pm - 9:47 amICN-PDX
31h 27m1 stop
$796
Find Deal
Wed, Oct 1 - Wed, Oct 8
Logo
1:45 pm - 6:45 pmPDX-ICN
37h 00m1 stop
Logo
6:20 pm - 9:47 amICN-PDX
31h 27m1 stop
$806
Find Deal
Fri, Oct 3 - Mon, Oct 20
American Airlines Logo
11:35 am - 3:30 pmPDX-ICN
35h 55m1 stop
American Airlines Logo
5:25 pm - 12:14 pmICN-PDX
34h 49m1 stop
$833American Airlines
Find Deal
Mon, Sep 1 - Fri, Sep 12
American Airlines Logo
3:23 pm - 3:30 pmPDX-ICN
32h 07m2 stops
American Airlines Logo
5:25 pm - 9:27 pmICN-PDX
20h 02m1 stop
$839American Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
Air Canada Logo
6:15 am - 4:05 pmPDX-ICN
17h 50m1 stop
Air Canada Logo
5:45 pm - 6:46 pmICN-PDX
17h 01m1 stop
$887Air Canada
Find Deal
Wed, Oct 1 - Wed, Oct 8
Alaska Airlines Logo
5:30 pm - 7:00 pmPDX-ICN
33h 30m2 stops
Alaska Airlines Logo
9:25 pm - 6:00 amICN-PDX
24h 35m1 stop
$888Alaska Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 8
Hawaiian Airlines Logo
5:40 pm - 7:00 pmPDX-ICN
33h 20m1 stop
Hawaiian Airlines Logo
9:25 pm - 6:00 amICN-PDX
24h 35m1 stop
$900Hawaiian Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 8
Air Canada Logo
9:55 am - 4:05 pmPDX-ICN
14h 10m1 stop
Air Canada Logo
5:45 pm - 11:01 pmICN-PDX
21h 16m1 stop
$925Air Canada
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Wed, Oct 1 - Fri, Oct 17
Alaska Airlines Logo
11:19 am - 6:35 pmBOI-ICN
16h 16m1 stop
Alaska Airlines Logo
8:35 pm - 11:56 pmICN-BOI
18h 21m1 stop
$961Alaska Airlines
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Wed, Oct 22 - Thu, Oct 23
Hawaiian Airlines Logo
9:00 am - 6:35 pmEUG-ICN
17h 35m1 stop
Hawaiian Airlines Logo
8:35 pm - 9:29 pmICN-EUG
16h 54m1 stop
$974Hawaiian Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 18

American Airlines flights from Oregon to Incheon Intl Airport

Our best American Airlines deals on Oregon to Incheon Intl Airport flight tickets
American Airlines
Sep 1
PDX11:35 amPortland
35h 55m
1 stop
ICN3:30 pmIncheon Intl
Sep 12
ICN5:25 pmIncheon Intl
34h 49m
1 stop
PDX12:14 pmPortland
$833
Find similar
American Airlines
Sep 16
PDX3:23 pmPortland
32h 07m
2 stops
ICN3:30 pmIncheon Intl
Sep 23
ICN5:25 pmIncheon Intl
20h 02m
1 stop
PDX9:27 pmPortland
$839
Find similar
American Airlines
Sep 1
PDX11:59 pmPortland
23h 31m
1 stop
ICN3:30 pmIncheon Intl
Sep 13
ICN5:25 pmIncheon Intl
20h 02m
1 stop
PDX9:27 pmPortland
$842
Find similar

Air Canada flights from Oregon to Incheon Intl Airport

Our best Air Canada deals on Oregon to Incheon Intl Airport flight tickets
Air Canada
Oct 1
PDX6:15 amPortland
17h 50m
1 stop
ICN4:05 pmIncheon Intl
Oct 8
ICN5:45 pmIncheon Intl
17h 01m
1 stop
PDX6:46 pmPortland
$887
Find similar
Air Canada
Oct 1
PDX9:55 amPortland
14h 10m
1 stop
ICN4:05 pmIncheon Intl
Oct 17
ICN5:45 pmIncheon Intl
21h 16m
1 stop
PDX11:01 pmPortland
$925
Find similar
Air Canada
Sep 1
PDX10:05 amPortland
14h 00m
1 stop
ICN4:05 pmIncheon Intl
Sep 29
ICN5:45 pmIncheon Intl
17h 01m
1 stop
PDX6:46 pmPortland
$945
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Oregon to Incheon Intl Airport 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, momondo users made 832,500 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Oregon to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 10/1

5:08 pm-6:45 pm

2 stops33h 37m

Incheon Intl

Wed 10/8

6:20 pm-9:47 am

1 stop31h 27m

$796

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 10/3

1:45 pm-6:45 pm

1 stop37h 00m

Incheon Intl

Mon 10/20

6:20 pm-9:47 am

1 stop31h 27m

$806

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 9/1

11:35 am-3:30 pm

1 stop35h 55m

Incheon Intl

Fri 9/12

5:25 pm-12:14 pm

1 stop34h 49m

$833

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 9/16

3:23 pm-3:30 pm

2 stops32h 07m

Incheon Intl

Tue 9/23

5:25 pm-9:27 pm

1 stop20h 02m

$839

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 10/1

6:15 am-4:05 pm

1 stop17h 50m

Incheon Intl

Wed 10/8

5:45 pm-6:46 pm

1 stop17h 01m

$887

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 8/28

5:30 pm-7:00 pm

2 stops33h 30m

Incheon Intl

Mon 9/8

9:25 pm-6:00 am

1 stop24h 35m

$888

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 8/28

5:40 pm-7:00 pm

1 stop33h 20m

Incheon Intl

Mon 9/8

9:25 pm-6:00 am

1 stop24h 35m

$900

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 10/1

9:55 am-4:05 pm

1 stop14h 10m

Incheon Intl

Fri 10/17

5:45 pm-11:01 pm

1 stop21h 16m

$925

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 10/22

11:19 am-6:35 pm

1 stop16h 16m

Incheon Intl

Thu 10/23

8:35 pm-11:56 pm

1 stop18h 21m

$961

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Sat 10/4

9:00 am-6:35 pm

1 stop17h 35m

Incheon Intl

Sat 10/18

8:35 pm-9:29 pm

1 stop16h 54m

$974

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from Oregon to Incheon Intl Airport

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

What is the cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Oregon is in January. Flight prices, which tend to average around $916, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of January, then departing from Oregon during the month February is also very affordable. Most momondo users find prices during this month for around $956.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from Oregon to Incheon Intl Airport is on a Monday when prices can be found for as low as $1,346. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,477. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

In the afternoon is the cheapest time of day to fly from Oregon to Incheon Intl Airport when you can find flight prices for as low as $886. Flying to Incheon Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,498 on average. Flights to Incheon Intl Airport from Oregon in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Incheon Intl Airport?

You are more likely to see cheaper flights to Incheon Intl Airport from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,146 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Oregon for as low as $989 on momondo.

Cheap Oregon to Incheon Intl Airport flight deals and tips

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

Best Price Found

$351

Fastest flight time

14h 10m

Direct flights

None
The best one-way flight to Incheon Intl Airport from Oregon in the past 72 hours is $351. The best round-trip flight deal from Oregon to Incheon Intl Airport found on momondo in the last 72 hours is $796.
The fastest flight from Oregon to Incheon Intl Airport takes 14h 10m
There are no direct flights from Oregon to Incheon Intl Airport. Popular non-direct routes for this connection are Portland Airport - Incheon Intl Airport, Eugene Airport - Incheon Intl Airport and Boise Air Term. Gowen Fld Airport - Incheon Intl Airport.
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  • When did momondo last update prices for flights from Oregon to Incheon Intl Airport?

    Prices for flights from Oregon to Incheon Intl Airport were last updated today.

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

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

    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 Oregon to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Oregon to Incheon Intl Airport

Compare and see reviews for airlines that fly from Oregon to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $767Free CancellationRating
7.8
2,664 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $809Free CancellationRating
7.1
9,992 reviews
Search Air Canada flights
DeltaPriceFrom $849Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $877Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.2
476 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,131 reviews
Search Korean Air flights

Traveling to a place near Seoul?

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Seongnam
Daejeon
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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Oregon to Seoul. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Seoul from Oregon with this policy.

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

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 Oregon to Seoul.

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

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from Oregon and alert you when they change.

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