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Cheap flights from Oregon to Seoul from $418

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 3/15. 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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Find the cheapest flights from Oregon to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m1 stop
Air Canada Logo
5:45 pm - 7:05 pm
ICN
-
PDX
17h 20m1 stop
$795Air Canada
Mon, Mar 30 - Mon, Jun 1
Multiple Airlines Logo
9:10 am - 6:35 pm
PDX
-
ICN
16h 25m1 stop
Multiple Airlines Logo
8:35 pm - 8:47 pm
ICN
-
PDX
17h 12m1 stop
$804Multiple Airlines
Sun, Jan 25 - Fri, Jan 30
Multiple Airlines Logo
9:10 am - 6:35 pm
PDX
-
ICN
16h 25m1 stop
Multiple Airlines Logo
8:35 pm - 10:41 pm
ICN
-
PDX
19h 06m1 stop
$812Multiple Airlines
Sun, Feb 1 - Sun, Feb 15
Multiple Airlines Logo
9:10 am - 6:35 pm
PDX
-
ICN
16h 25m1 stop
Multiple Airlines Logo
8:35 pm - 6:56 pm
ICN
-
PDX
15h 21m1 stop
$815Multiple Airlines
Sun, Jan 11 - Fri, Jan 16
Air Canada Logo
7:05 pm - 4:05 pm
PDX
-
ICN
29h 00m1 stop
Air Canada Logo
5:45 pm - 7:05 pm
ICN
-
PDX
17h 20m1 stop
$827Air Canada
Mon, Apr 20 - Mon, May 4
Delta Logo
6:07 am - 4:30 pm
EUG
-
ICN
17h 23m1 stop
Delta Logo
8:05 pm - 11:49 pm
ICN
-
EUG
19h 44m1 stop
$951Delta
Fri, Feb 27 - Tue, Mar 10
Delta Logo
6:07 am - 4:30 pm
EUG
-
ICN
17h 23m1 stop
Delta Logo
8:05 pm - 11:50 pm
ICN
-
EUG
19h 45m1 stop
$961Delta
Tue, Mar 3 - Tue, Mar 17
United Airlines Logo
5:00 am - 5:40 am
EUG
-
ICN
31h 40m2 stops
United Airlines Logo
5:00 pm - 9:07 pm
ICN
-
EUG
20h 07m2 stops
$981United Airlines
Fri, Feb 27 - Tue, Mar 10
United Airlines Logo
2:09 pm - 5:40 am
EUG
-
ICN
22h 31m1 stop
United Airlines Logo
12:45 pm - 12:14 pm
ICN
-
EUG
16h 29m1 stop
$1,005United Airlines
Mon, Jan 26 - Thu, Jan 29
Korean Air Logo
7:25 am - 5:35 pm
BOI
-
ICN
18h 10m1 stop
Korean Air Logo
4:10 pm - 3:10 pm
ICN
-
BOI
15h 00m1 stop
$1,059Korean Air
Sat, Jan 24 - Wed, Jan 28

United Airlines flights from Oregon to Incheon Intl Airport

Our best United Airlines deals on Oregon to Incheon Intl Airport flight tickets
United Airlines
Feb 15
PDX5:35 amPortland
17h 40m
1 stop
ICN4:15 pmIncheon Intl
Feb 19
ICN12:45 pmIncheon Intl
16h 53m
1 stop
PDX12:38 pmPortland
$916
Find similar
United Airlines
Jan 1
PDX2:45 pmPortland
21h 55m
2 stops
ICN5:40 amIncheon Intl
Feb 2
ICN6:00 pmIncheon Intl
13h 46m
1 stop
PDX2:46 pmPortland
$920
Find similar
United Airlines
Feb 27
PDX7:57 pmPortland
27h 18m
1 stop
ICN4:15 pmIncheon Intl
Mar 8
ICN6:00 pmIncheon Intl
19h 10m
2 stops
PDX8:10 pmPortland
$926
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
Mar 30
PDX9:50 amPortland
14h 15m
1 stop
ICN4:05 pmIncheon Intl
Jun 1
ICN5:45 pmIncheon Intl
17h 20m
1 stop
PDX7:05 pmPortland
$795
Find similar
Air Canada
Apr 20
PDX7:05 pmPortland
29h 00m
1 stop
ICN4:05 pmIncheon Intl
May 4
ICN5:45 pmIncheon Intl
17h 20m
1 stop
PDX7:05 pmPortland
$827
Find similar
Air Canada
Jan 12
PDX9:50 amPortland
14h 20m
1 stop
ICN5:10 pmIncheon Intl
Jan 19
ICN6:55 pmIncheon Intl
16h 35m
1 stop
PDX6:30 pmPortland
$837
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 December 15, 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

Mon 3/30

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Mon 6/1

5:45 pm-7:05 pm

1 stop17h 20m

$795

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 1/25

9:10 am-6:35 pm

1 stop16h 25m

Incheon Intl

Fri 1/30

8:35 pm-8:47 pm

1 stop17h 12m

$804

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 2/1

9:10 am-6:35 pm

1 stop16h 25m

Incheon Intl

Sun 2/15

8:35 pm-10:41 pm

1 stop19h 06m

$812

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 1/11

9:10 am-6:35 pm

1 stop16h 25m

Incheon Intl

Fri 1/16

8:35 pm-6:56 pm

1 stop15h 21m

$815

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 4/20

7:05 pm-4:05 pm

1 stop29h 00m

Incheon Intl

Mon 5/4

5:45 pm-7:05 pm

1 stop17h 20m

$827

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Fri 2/27

6:07 am-4:30 pm

1 stop17h 23m

Incheon Intl

Tue 3/10

8:05 pm-11:49 pm

1 stop19h 44m

$951

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Tue 3/3

6:07 am-4:30 pm

1 stop17h 23m

Incheon Intl

Tue 3/17

8:05 pm-11:50 pm

1 stop19h 45m

$961

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Fri 2/27

5:00 am-5:40 am

2 stops31h 40m

Incheon Intl

Tue 3/10

5:00 pm-9:07 pm

2 stops20h 07m

$981

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Mon 1/26

2:09 pm-5:40 am

1 stop22h 31m

Incheon Intl

Thu 1/29

12:45 pm-12:14 pm

1 stop16h 29m

$1,005

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 1/24

7:25 am-5:35 pm

1 stop18h 10m

Incheon Intl

Wed 1/28

4:10 pm-3:10 pm

1 stop15h 00m

$1,059

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 February. Flight prices, which tend to average around $907, 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 $991.

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 $1,166 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 $982 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

Fastest flight time

14h 15m

Direct flights

None
The fastest flight from Oregon to Incheon Intl Airport takes 14h 15m
There are no direct flights from Oregon to Incheon Intl Airport. There are no popular flight routes from Oregon to Incheon Intl Airport.
Search flight deals

  • 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
2,819 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $806Free CancellationRating
7.1
10,526 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $840Free CancellationRating
8.0
11,455 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $877Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.2
493 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,186 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
Seongnam
Daejeon
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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