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Cheap flights from Oregon to Seoul from $404

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 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:50 am - 5:10 pmPDX-ICN
14h 20m1 stop
Multiple Airlines Logo
2:35 pm - 6:30 pmICN-PDX
20h 55m2 stops
$772Multiple Airlines
Find Deal
Tue, Nov 18 - Tue, Nov 25
Air Canada Logo
7:00 pm - 5:10 pmPDX-ICN
29h 10m1 stop
Air Canada Logo
6:55 pm - 2:40 pmICN-PDX
12h 45m1 stop
$777Air Canada
Find Deal
Sun, Nov 9 - Mon, Nov 24
Alaska Airlines Logo
5:42 am - 6:35 pmEUG-ICN
19h 53m1 stop
Alaska Airlines Logo
8:35 pm - 9:02 pmICN-EUG
16h 27m1 stop
$827Alaska Airlines
Find Deal
Thu, Jan 8 - Mon, Mar 16
Alaska Airlines Logo
3:02 pm - 6:35 pmEUG-ICN
34h 33m1 stop
Alaska Airlines Logo
8:35 pm - 9:02 pmICN-EUG
16h 27m1 stop
$833Alaska Airlines
Find Deal
Wed, Jan 7 - Mon, Mar 16
United Airlines Logo
2:40 pm - 5:40 amBOI-ICN
23h 00m1 stop
United Airlines Logo
6:00 pm - 11:28 pmICN-BOI
21h 28m1 stop
$837United Airlines
Find Deal
Sat, Nov 8 - Sun, Nov 16
United Airlines Logo
2:31 pm - 5:40 amBOI-ICN
23h 09m2 stops
United Airlines Logo
6:00 pm - 11:28 pmICN-BOI
21h 28m1 stop
$841United Airlines
Find Deal
Sat, Nov 8 - Sun, Nov 16
American Airlines Logo
12:59 am - 4:45 pmPDX-ICN
22h 46m1 stop
American Airlines Logo
7:15 pm - 11:23 pmICN-PDX
21h 08m1 stop
$866American Airlines
Find Deal
Mon, Dec 1 - Fri, Dec 12
Delta Logo
6:00 am - 4:30 pmBOI-ICN
18h 30m2 stops
Delta Logo
7:30 pm - 12:35 amICN-BOI
21h 05m2 stops
$896Delta
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Sat, Nov 8 - Sun, Nov 16
Delta Logo
6:00 am - 4:30 pmBOI-ICN
18h 30m2 stops
Delta Logo
8:05 pm - 12:35 amICN-BOI
20h 30m2 stops
$897Delta
Find Deal
Sat, Nov 8 - Sun, Nov 16
American Airlines Logo
5:42 pm - 4:45 pmPDX-ICN
30h 03m2 stops
American Airlines Logo
7:15 pm - 11:10 amICN-PDX
32h 55m1 stop
$919American Airlines
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Sun, Nov 9 - Mon, Nov 24

Air Canada flights from Oregon to Incheon Intl Airport

Our best Air Canada deals on Oregon to Incheon Intl Airport flight tickets
Air Canada
Nov 9
PDX7:00 pmPortland
29h 10m
1 stop
ICN5:10 pmIncheon Intl
Nov 24
ICN6:55 pmIncheon Intl
12h 45m
1 stop
PDX2:40 pmPortland
$777
Find similar
Air Canada
Nov 18
PDX9:50 amPortland
14h 20m
1 stop
ICN5:10 pmIncheon Intl
Nov 25
ICN6:55 pmIncheon Intl
12h 45m
1 stop
PDX2:40 pmPortland
$813
Find similar
Air Canada
Nov 9
PDX7:00 pmPortland
29h 10m
1 stop
ICN5:10 pmIncheon Intl
Nov 24
ICN6:55 pmIncheon Intl
12h 45m
1 stop
PDX2:40 pmPortland
$815
Find similar

Alaska Airlines flights from Oregon to Incheon Intl Airport

Our best Alaska Airlines deals on Oregon to Incheon Intl Airport flight tickets
Alaska Airlines
Jan 8
EUG5:42 amEugene
19h 53m
1 stop
ICN6:35 pmIncheon Intl
Mar 16
ICN8:35 pmIncheon Intl
16h 27m
1 stop
EUG9:02 pmEugene
$827
Find similar
Alaska Airlines
Jan 7
EUG3:02 pmEugene
34h 33m
1 stop
ICN6:35 pmIncheon Intl
Mar 16
ICN8:35 pmIncheon Intl
16h 27m
1 stop
EUG9:02 pmEugene
$833
Find similar
Alaska Airlines
Jan 8
EUG5:42 amEugene
19h 53m
1 stop
ICN6:35 pmIncheon Intl
Mar 13
ICN8:35 pmIncheon Intl
19h 42m
1 stop
EUG12:17 amEugene
$839
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 October 27, 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

Tue 11/18

9:50 am-5:10 pm

1 stop14h 20m

Incheon Intl

Tue 11/25

2:35 pm-6:30 pm

2 stops20h 55m

$772

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 11/9

7:00 pm-5:10 pm

1 stop29h 10m

Incheon Intl

Mon 11/24

6:55 pm-2:40 pm

1 stop12h 45m

$777

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Thu 1/8

5:42 am-6:35 pm

1 stop19h 53m

Incheon Intl

Mon 3/16

8:35 pm-9:02 pm

1 stop16h 27m

$827

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Wed 1/7

3:02 pm-6:35 pm

1 stop34h 33m

Incheon Intl

Mon 3/16

8:35 pm-9:02 pm

1 stop16h 27m

$833

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 11/8

2:40 pm-5:40 am

1 stop23h 00m

Incheon Intl

Sun 11/16

6:00 pm-11:28 pm

1 stop21h 28m

$837

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 11/8

2:31 pm-5:40 am

2 stops23h 09m

Incheon Intl

Sun 11/16

6:00 pm-11:28 pm

1 stop21h 28m

$841

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 12/1

12:59 am-4:45 pm

1 stop22h 46m

Incheon Intl

Fri 12/12

7:15 pm-11:23 pm

1 stop21h 08m

$866

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 11/8

6:00 am-4:30 pm

2 stops18h 30m

Incheon Intl

Sun 11/16

7:30 pm-12:35 am

2 stops21h 05m

$896

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 11/8

6:00 am-4:30 pm

2 stops18h 30m

Incheon Intl

Sun 11/16

8:05 pm-12:35 am

2 stops20h 30m

$897

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 11/9

5:42 pm-4:45 pm

2 stops30h 03m

Incheon Intl

Mon 11/24

7:15 pm-11:10 am

1 stop32h 55m

$919

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 February. Flight prices, which tend to average around $957, 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 February, then departing from Oregon during the month April is also very affordable. Most momondo users find prices during this month for around $1,026.

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 $1,171 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

Direct flights

None
There are no direct flights from Oregon to Incheon Intl Airport. There are no popular flight routes from Oregon to 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
2,793 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $809Free CancellationRating
7.1
10,370 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $847Free CancellationRating
8.0
11,197 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
7,996 reviews
Search Delta flights
United AirlinesPriceFrom $877Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.2
483 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,153 reviews
Search Korean Air flights

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Suwon
Daejeon
Seongnam
Anyang

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.

An easier way to manage your Incheon Intl Airport trip

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