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Cheap flights from Oregon to Seoul from $369

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 10/16. 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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0 bags

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Find the cheapest flights from Oregon to Seoul

Cheap round-trip flights

Multiple Airlines Logo
2:18 pm - 3:45 pmPDX-ICN
33h 27m1 stop
Multiple Airlines Logo
9:05 pm - 2:48 pmICN-PDX
33h 43m1 stop
$770Multiple Airlines
Find Deal
Thu, Oct 16 - Tue, Oct 21
Multiple Airlines Logo
1:18 pm - 5:10 amPDX-ICN
22h 52m1 stop
Multiple Airlines Logo
9:20 pm - 12:23 pmICN-PDX
56h 03m2 stops
$785Multiple Airlines
Find Deal
Sun, Nov 2 - Sat, Nov 15
Multiple Airlines Logo
2:18 pm - 3:45 pmPDX-ICN
33h 27m1 stop
Multiple Airlines Logo
6:20 pm - 11:07 amICN-PDX
32h 47m1 stop
$789Multiple Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
Alaska Airlines Logo
5:30 am - 6:35 pmBOI-ICN
21h 05m1 stop
Alaska Airlines Logo
8:35 pm - 11:55 pmICN-BOI
19h 20m1 stop
$792Alaska Airlines
Find Deal
Thu, Jan 29 - Sun, Feb 1
Alaska Airlines Logo
7:00 am - 6:35 pmPDX-ICN
19h 35m1 stop
Alaska Airlines Logo
8:35 pm - 9:00 amICN-PDX
28h 25m1 stop
$881Alaska Airlines
Find Deal
Thu, Oct 2 - Sat, Oct 18
Delta Logo
5:30 am - 4:30 pmPDX-ICN
19h 00m1 stop
Delta Logo
8:05 pm - 10:40 pmICN-PDX
19h 35m1 stop
$892Delta
Find Deal
Fri, Oct 31 - Sat, Nov 15
American Airlines Logo
11:58 pm - 3:55 pmPDX-ICN
23h 57m2 stops
American Airlines Logo
7:15 pm - 9:23 pmICN-PDX
19h 08m1 stop
$918American Airlines
Find Deal
Sat, Oct 25 - Mon, Nov 10
Air Canada Logo
7:00 pm - 5:10 pmPDX-ICN
29h 10m1 stop
Air Canada Logo
6:55 pm - 6:30 pmICN-PDX
16h 35m1 stop
$925Air Canada
Find Deal
Sun, Nov 16 - Tue, Dec 2
American Airlines Logo
3:00 pm - 4:45 pmMFR-ICN
32h 45m2 stops
American Airlines Logo
7:15 pm - 11:59 pmICN-MFR
21h 44m2 stops
$956American Airlines
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Tue, Nov 11 - Tue, Nov 18
Delta Logo
6:00 am - 4:30 pmBOI-ICN
18h 30m2 stops
Delta Logo
8:05 pm - 12:35 amICN-BOI
20h 30m2 stops
$966Delta
Find Deal
Tue, Nov 11 - Tue, Nov 18

Delta flights from Oregon to Seoul

Our best Delta deals on Oregon to Seoul flight tickets
Delta
Oct 31
PDX5:30 amPortland
19h 00m
1 stop
ICN4:30 pmIncheon Intl
Nov 15
ICN8:05 pmIncheon Intl
19h 35m
1 stop
PDX10:40 pmPortland
$892
Find similar
Delta
Nov 11
BOI6:00 amBoise Air Term. Gowen Fld
18h 30m
2 stops
ICN4:30 pmIncheon Intl
Nov 18
ICN8:05 pmIncheon Intl
20h 30m
2 stops
BOI12:35 amBoise Air Term. Gowen Fld
$966
Find similar
Delta
Feb 8
BOI1:10 pmBoise Air Term. Gowen Fld
35h 10m
1 stop
ICN4:20 pmIncheon Intl
Feb 22
ICN8:05 pmIncheon Intl
20h 16m
2 stops
BOI12:21 amBoise Air Term. Gowen Fld
$971
Find similar

American Airlines flights from Oregon to Seoul

Our best American Airlines deals on Oregon to Seoul flight tickets
American Airlines
Oct 25
PDX11:58 pmPortland
23h 57m
2 stops
ICN3:55 pmIncheon Intl
Nov 10
ICN7:15 pmIncheon Intl
19h 08m
1 stop
PDX9:23 pmPortland
$918
Find similar
American Airlines
Oct 2
PDX9:00 amPortland
38h 30m
1 stop
ICN3:30 pmIncheon Intl
Oct 18
ICN5:45 pmIncheon Intl
31h 46m
2 stops
PDX9:31 amPortland
$936
Find similar
American Airlines
Oct 1
PDX11:42 amPortland
35h 48m
1 stop
ICN3:30 pmIncheon Intl
Oct 17
ICN5:45 pmIncheon Intl
22h 13m
2 stops
PDX11:58 pmPortland
$942
Find similar

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 September 28, 2025.
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 10/16

2:18 pm-3:45 pm

1 stop33h 27m

Incheon Intl

Tue 10/21

9:05 pm-2:48 pm

1 stop33h 43m

$770

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 11/2

1:18 pm-5:10 am

1 stop22h 52m

Incheon Intl

Sat 11/15

9:20 pm-12:23 pm

2 stops56h 03m

$785

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 10/16

2:18 pm-3:45 pm

1 stop33h 27m

Incheon Intl

Mon 10/20

6:20 pm-11:07 am

1 stop32h 47m

$789

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

5:30 am-6:35 pm

1 stop21h 05m

Incheon Intl

Sun 2/1

8:35 pm-11:55 pm

1 stop19h 20m

$792

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 10/2

7:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Sat 10/18

8:35 pm-9:00 am

1 stop28h 25m

$881

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 10/31

5:30 am-4:30 pm

1 stop19h 00m

Incheon Intl

Sat 11/15

8:05 pm-10:40 pm

1 stop19h 35m

$892

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 10/25

11:58 pm-3:55 pm

2 stops23h 57m

Incheon Intl

Mon 11/10

7:15 pm-9:23 pm

1 stop19h 08m

$918

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 11/16

7:00 pm-5:10 pm

1 stop29h 10m

Incheon Intl

Tue 12/2

6:55 pm-6:30 pm

1 stop16h 35m

$925

MedfordIncheon

MFR - ICN

MFRICN

Medford

Tue 11/11

3:00 pm-4:45 pm

2 stops32h 45m

Incheon Intl

Tue 11/18

7:15 pm-11:59 pm

2 stops21h 44m

$956

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Tue 11/11

6:00 am-4:30 pm

2 stops18h 30m

Incheon Intl

Tue 11/18

8:05 pm-12:35 am

2 stops20h 30m

$966

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 $980.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Thursday is the cheapest day to fly to Seoul from Oregon. The lowest ticket price found for a Thursday departure recently was $1,190. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Friday, with ticket prices averaging around $1,498.

What is the cheapest time of day to depart on your flight to Seoul?

Flying to Seoul from Oregon in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,179 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,565 per ticket.

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 $1,153 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 $989 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

Direct flights

None
There are no direct flights from Oregon to Seoul. There are no popular flight routes from Oregon to Seoul.
Search flight deals

  • 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
Hawaiian AirlinesPriceFrom $767Free CancellationRating
7.8
2,755 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $809Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $847Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
7,964 reviews
Search Delta flights
United AirlinesPriceFrom $877Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.2
483 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,084Free CancellationRating
8.4
1,143 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