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Cheap flights from Oregon to Seoul from $411

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 8/19. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
2:30 pm - 6:45 pm
PDX
-
ICN
36h 15m
1 stop
WestJet Logo
8:45 pm - 1:50 pm
ICN
-
PDX
33h 05m
1 stop
$838WestJet
Tue, Aug 18 - Tue, Sep 22
Multiple Airlines Logo
10:37 am - 9:40 pm
PDX
-
ICN
19h 03m
1 stop
Multiple Airlines Logo
7:15 pm - 8:50 pm
ICN
-
PDX
17h 35m
1 stop
$894Multiple Airlines
Wed, Sep 2 - Wed, Sep 30
WestJet Logo
2:30 pm - 6:45 pm
PDX
-
ICN
36h 15m
1 stop
WestJet Logo
8:45 pm - 1:50 pm
ICN
-
PDX
33h 05m
1 stop
$910WestJet
Tue, Aug 18 - Tue, Sep 22
Multiple Airlines Logo
10:37 am - 9:40 pm
PDX
-
ICN
19h 03m
1 stop
Multiple Airlines Logo
7:15 pm - 8:50 pm
ICN
-
PDX
17h 35m
1 stop
$912Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Cathay Pacific Logo
7:00 am - 12:25 am
MFR
-
ICN
25h 25m
2 stops
Cathay Pacific Logo
1:40 pm - 10:54 pm
ICN
-
MFR
25h 14m
2 stops
$1,244Cathay Pacific
Wed, Oct 7 - Wed, Oct 21
United Airlines Logo
2:03 pm - 5:40 am
MFR
-
ICN
22h 37m
1 stop
United Airlines Logo
6:00 pm - 5:50 pm
ICN
-
MFR
16h 50m
1 stop
$1,327United Airlines
Tue, Nov 3 - Fri, Nov 6
United Airlines Logo
5:00 am - 4:20 am
MFR
-
ICN
31h 20m
2 stops
United Airlines Logo
11:30 am - 12:02 pm
ICN
-
MFR
16h 32m
1 stop
$1,331United Airlines
Thu, Sep 24 - Mon, Sep 28
Japan Airlines Logo
7:03 am - 9:15 pm
PDX
-
GMP
22h 12m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,340Japan Airlines
Wed, Sep 2 - Wed, Sep 30
Japan Airlines Logo
7:15 am - 10:05 pm
PDX
-
GMP
22h 50m
2 stops
Japan Airlines Logo
12:05 pm - 4:34 pm
GMP
-
PDX
21h 29m
2 stops
$1,362Japan Airlines
Mon, Oct 26 - Mon, Nov 9
Asiana Airlines Logo
2:07 pm - 3:00 pm
MFR
-
ICN
32h 53m
1 stop
Asiana Airlines Logo
11:30 am - 12:02 pm
ICN
-
MFR
16h 32m
1 stop
$6,433Asiana Airlines
Sun, Sep 6 - Wed, Sep 9

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WestJet flights from Oregon to Seoul

Our best WestJet deals on Oregon to Seoul flight tickets
WestJet
Aug 18
PDX2:30 pmPortland
36h 15m
1 stop
ICN6:45 pmIncheon Intl
Sep 22
ICN8:45 pmIncheon Intl
33h 05m
1 stop
PDX1:50 pmPortland
$838
WestJet
Aug 18
PDX2:30 pmPortland
36h 15m
1 stop
ICN6:45 pmIncheon Intl
Sep 22
ICN8:45 pmIncheon Intl
33h 05m
1 stop
PDX1:50 pmPortland
$910
WestJet
Sep 27
PDX2:30 pmPortland
36h 15m
1 stop
ICN6:45 pmIncheon Intl
Oct 10
ICN8:45 pmIncheon Intl
33h 05m
1 stop
PDX1:50 pmPortland
$923

United Airlines flights from Oregon to Seoul

Our best United Airlines deals on Oregon to Seoul flight tickets
United Airlines
Oct 27
BOI6:15 amBoise Air Term. Gowen Fld
19h 00m
1 stop
ICN4:15 pmIncheon Intl
Nov 10
ICN12:45 pmIncheon Intl
20h 14m
1 stop
BOI4:59 pmBoise Air Term. Gowen Fld
$1,306
United Airlines
Oct 27
BOI2:39 pmBoise Air Term. Gowen Fld
23h 01m
2 stops
ICN4:40 amIncheon Intl
Nov 11
ICN12:45 pmIncheon Intl
14h 29m
1 stop
BOI11:14 amBoise Air Term. Gowen Fld
$1,310
United Airlines
Nov 3
MFR2:03 pmMedford
22h 37m
1 stop
ICN5:40 amIncheon Intl
Nov 6
ICN6:00 pmIncheon Intl
16h 50m
1 stop
MFR5:50 pmMedford
$1,327

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 June 25, 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

Cheapest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 8/18

2:30 pm-6:45 pm

1 stop36h 15m

Incheon Intl

Tue 9/22

8:45 pm-1:50 pm

1 stop33h 05m

$838
Quickest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 9/2

10:37 am-9:40 pm

1 stop19h 03m

Incheon Intl

Wed 9/30

7:15 pm-8:50 pm

1 stop17h 35m

$894

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 8/18

2:30 pm-6:45 pm

1 stop36h 15m

Incheon Intl

Tue 9/22

8:45 pm-1:50 pm

1 stop33h 05m

$910

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 9/9

10:37 am-9:40 pm

1 stop19h 03m

Incheon Intl

Wed 9/16

7:15 pm-8:50 pm

1 stop17h 35m

$912

MedfordIncheon

MFR - ICN

MFRICN

Medford

Wed 10/7

7:00 am-12:25 am

2 stops25h 25m

Incheon Intl

Wed 10/21

1:40 pm-10:54 pm

2 stops25h 14m

$1,244

MedfordIncheon

MFR - ICN

MFRICN

Medford

Tue 11/3

2:03 pm-5:40 am

1 stop22h 37m

Incheon Intl

Fri 11/6

6:00 pm-5:50 pm

1 stop16h 50m

$1,327

MedfordIncheon

MFR - ICN

MFRICN

Medford

Thu 9/24

5:00 am-4:20 am

2 stops31h 20m

Incheon Intl

Mon 9/28

11:30 am-12:02 pm

1 stop16h 32m

$1,331

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Wed 9/2

7:03 am-9:15 pm

2 stops22h 12m

Seoul Gimpo Intl

Wed 9/30

12:05 pm-4:50 pm

2 stops20h 45m

$1,340

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 10/26

7:15 am-10:05 pm

2 stops22h 50m

Seoul Gimpo Intl

Mon 11/9

12:05 pm-4:34 pm

2 stops21h 29m

$1,362

MedfordIncheon

MFR - ICN

MFRICN

Medford

Sun 9/6

2:07 pm-3:00 pm

1 stop32h 53m

Incheon Intl

Wed 9/9

11:30 am-12:02 pm

1 stop16h 32m

$6,433

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 July is another great option to travel to Seoul, with average flight prices from Oregon averaging around $169.

How far in advance should I book a flight from Oregon 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 $1,229 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 $843 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 35m

Direct flights

None
The fastest flight from Oregon to Seoul takes 13h 35m
There are no direct flights from Oregon to Seoul. There are no popular flight routes from Oregon to Seoul.
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Frequently asked questions about flying 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 $791Free CancellationRating
7.1
11,254 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
7.9
12,573 reviews
Search Alaska Airlines flights
Asiana AirlinesPriceFrom $881Free CancellationRating
8.1
549 reviews
Search Asiana Airlines flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
9,886 reviews
Search United Airlines flights
DeltaPriceFrom $915Free CancellationRating
7.8
8,438 reviews
Search Delta flights
Korean AirPriceFrom $1,059Free CancellationRating
8.4
1,218 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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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
Seoul Gimpo Intl Airport
Incheon Intl Airport