Cheap flights from Oregon to Seoul from $380

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 4/25. 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 - 4:05 pm
PDX
-
ICN
14h 15m
1 stop
Multiple Airlines Logo
8:40 pm - 7:05 pm
ICN
-
PDX
38h 25m
2 stops
$648Multiple Airlines
Thu, Apr 30 - Tue, May 12
Multiple Airlines Logo
7:05 pm - 4:05 pm
PDX
-
ICN
29h 00m
1 stop
Multiple Airlines Logo
8:40 pm - 7:05 pm
ICN
-
PDX
38h 25m
2 stops
$655Multiple Airlines
Sun, Apr 12 - Tue, May 12
Multiple Airlines Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m
1 stop
Multiple Airlines Logo
8:40 pm - 9:30 am
ICN
-
PDX
28h 50m
2 stops
$665Multiple Airlines
Thu, Apr 30 - Sat, May 30
Delta Logo
8:59 am - 4:50 pm
BOI
-
ICN
16h 51m
1 stop
Delta Logo
7:20 pm - 9:56 pm
ICN
-
BOI
17h 36m
1 stop
$877Delta
Tue, Apr 14 - Tue, Apr 21
Delta Logo
6:00 am - 5:20 pm
BOI
-
ICN
20h 20m
2 stops
Delta Logo
7:20 pm - 11:57 pm
ICN
-
BOI
19h 37m
1 stop
$882Delta
Tue, Apr 14 - Tue, Apr 21
Asiana Airlines Logo
10:10 am - 10:25 pm
PDX
-
GMP
20h 15m
2 stops
Asiana Airlines Logo
8:10 am - 2:51 pm
GMP
-
PDX
22h 41m
2 stops
$971Asiana Airlines
Wed, Aug 19 - Thu, Aug 27
EVA Air Logo
9:30 pm - 6:10 pm
PDX
-
GMP
28h 40m
2 stops
EVA Air Logo
1:50 pm - 9:25 am
GMP
-
PDX
35h 35m
2 stops
$1,045EVA Air
Sun, Aug 16 - Sat, Aug 29
Japan Airlines Logo
7:20 am - 9:15 pm
PDX
-
GMP
21h 55m
2 stops
Japan Airlines Logo
12:05 pm - 9:14 pm
GMP
-
PDX
25h 09m
2 stops
$1,104Japan Airlines
Wed, Aug 5 - Fri, Aug 28
EVA Air Logo
2:37 pm - 6:10 pm
PDX
-
GMP
35h 33m
2 stops
EVA Air Logo
7:15 pm - 1:33 pm
GMP
-
PDX
34h 18m
2 stops
$1,116EVA Air
Sun, Apr 12 - Tue, May 12
Japan Airlines Logo
7:05 am - 9:15 pm
PDX
-
GMP
22h 10m
2 stops
Japan Airlines Logo
12:05 pm - 4:30 pm
GMP
-
PDX
20h 25m
2 stops
$1,174Japan Airlines
Tue, Apr 14 - Tue, Apr 21

Alaska Airlines flights from Oregon to Seoul

Our best Alaska Airlines deals on Oregon to Seoul flight tickets
Alaska Airlines
Aug 22
EUG5:30 amEugene
20h 00m
2 stops
ICN5:30 pmIncheon Intl
Sep 5
ICN7:35 pmIncheon Intl
17h 35m
1 stop
EUG9:10 pmEugene
$1,096
Alaska Airlines
Jul 13
BOI10:00 amBoise Air Term. Gowen Fld
16h 30m
1 stop
ICN5:30 pmIncheon Intl
Jul 30
ICN7:35 pmIncheon Intl
19h 24m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
$1,225
Alaska Airlines
Jul 14
BOI8:59 pmBoise Air Term. Gowen Fld
29h 31m
1 stop
ICN5:30 pmIncheon Intl
Jul 30
ICN7:35 pmIncheon Intl
17h 46m
1 stop
BOI10:21 pmBoise Air Term. Gowen Fld
$1,232

Air Canada flights from Oregon to Seoul

Our best Air Canada deals on Oregon to Seoul flight tickets
Air Canada
Apr 30
PDX9:50 amPortland
14h 15m
1 stop
ICN4:05 pmIncheon Intl
May 28
ICN5:45 pmIncheon Intl
13h 00m
1 stop
PDX2:45 pmPortland
$795
Air Canada
Apr 27
PDX9:50 amPortland
14h 15m
1 stop
ICN4:05 pmIncheon Intl
May 13
ICN5:45 pmIncheon Intl
13h 00m
1 stop
PDX2:45 pmPortland
$796
Air Canada
Apr 23
PDX9:50 amPortland
14h 15m
1 stop
ICN4:05 pmIncheon Intl
May 5
ICN5:45 pmIncheon Intl
13h 00m
1 stop
PDX2:45 pmPortland
$797

momondo Fare Finder

 
Customize your flight search to find flights from Oregon to Seoul 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 March 3, 2026.
Use the filters below to find and compare flights from Oregon to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/30

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Tue 5/12

8:40 pm-7:05 pm

2 stops38h 25m

$648

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 4/12

7:05 pm-4:05 pm

1 stop29h 00m

Incheon Intl

Tue 5/12

8:40 pm-7:05 pm

2 stops38h 25m

$655

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/30

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Sat 5/30

8:40 pm-9:30 am

2 stops28h 50m

$665

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Tue 4/14

8:59 am-4:50 pm

1 stop16h 51m

Incheon Intl

Tue 4/21

7:20 pm-9:56 pm

1 stop17h 36m

$877

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Tue 4/14

6:00 am-5:20 pm

2 stops20h 20m

Incheon Intl

Tue 4/21

7:20 pm-11:57 pm

1 stop19h 37m

$882

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Wed 8/19

10:10 am-10:25 pm

2 stops20h 15m

Seoul Gimpo Intl

Thu 8/27

8:10 am-2:51 pm

2 stops22h 41m

$971

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sun 8/16

9:30 pm-6:10 pm

2 stops28h 40m

Seoul Gimpo Intl

Sat 8/29

1:50 pm-9:25 am

2 stops35h 35m

$1,045

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Wed 8/5

7:20 am-9:15 pm

2 stops21h 55m

Seoul Gimpo Intl

Fri 8/28

12:05 pm-9:14 pm

2 stops25h 09m

$1,104

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sun 4/12

2:37 pm-6:10 pm

2 stops35h 33m

Seoul Gimpo Intl

Tue 5/12

7:15 pm-1:33 pm

2 stops34h 18m

$1,116

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 4/14

7:05 am-9:15 pm

2 stops22h 10m

Seoul Gimpo Intl

Tue 4/21

12:05 pm-4:30 pm

2 stops20h 25m

$1,174

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 Seoul

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 Seoul?

The month of January is another great option to travel to Seoul, with average flight prices from Oregon averaging around $938.

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,154 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Oregon for as low as $937 on momondo.

Cheap Oregon to Seoul flight deals and tips

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

Fastest flight time

13h 55m

Direct flights

None
The fastest flight from Oregon to Seoul takes 13h 55m
There are no direct flights from Oregon to Seoul. There are no popular flight routes from Oregon to Seoul.
  • When did momondo last update prices for flights from Oregon to Seoul?

    Prices for flights from Oregon to Seoul refresh daily.

  • How many operators does momondo search for flights from Oregon to Seoul?

  • How old do you have to be to fly from Oregon to Seoul?

    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 Oregon to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The travel and health documents you'll need for your trip to Seoul 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 Seoul. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Oregon to Seoul

Compare and see reviews for airlines that fly from Oregon to Seoul with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $792Free CancellationRating
7.1
10,770 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
8.0
11,977 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,238 reviews
Search Delta flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
9,375 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $914Free CancellationRating
8.1
502 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,155Free CancellationRating
8.4
1,195 reviews
Search Korean Air flights

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. All flights to Seoul from Oregon on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seoul from Oregon.

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

Of course. momondo tracks the price of Oregon to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Thu 4/2
Thu 4/9

Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul