What is the cheapest airline that flies from Oregon to Seoul?

Alaska Airlines, Delta, and Japan Airlines are the most popular carriers operating from Oregon to Seoul

How long does it take to fly to Seoul?

If you’re flying from a popular airport in Oregon, such as Portland or Eugene, and flying into Seoul, then you can expect flight times to average 14h 15m and 17h 20m, respectively.

What airlines fly to Seoul?

Air Canada, Delta and Korean Air are the top three most popular airlines that fly to Seoul from Oregon according to our data. Air Canada is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 7 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

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?

There are 7 operators available for flights from Oregon to Seoul as of November 2025.

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.

$401 Cheap Flights from Oregon to Seoul in 2025/26

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Find the cheapest flights from Oregon to Seoul

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:30 am - 6:35 pmPDX-ICN

15h 05m1 stop

8:35 pm - 4:43 pmICN-PDX

13h 08m1 stop

$799Alaska Airlines

Find Deal

Wed, Feb 25 - Thu, Mar 5

1:38 pm - 6:35 pmPDX-ICN

35h 57m1 stop

8:35 pm - 6:05 pmICN-PDX

14h 30m1 stop

$801Alaska Airlines

Find Deal

Sat, Jan 10 - Fri, Feb 20

7:25 am - 4:30 pmBOI-ICN

17h 05m1 stop

7:30 pm - 8:55 pmICN-BOI

17h 25m1 stop

$816Delta

Find Deal

Fri, Jan 23 - Tue, Jan 27

5:45 am - 4:30 pmBOI-ICN

18h 45m2 stops

8:05 pm - 11:12 pmICN-BOI

19h 07m2 stops

$820Delta

Find Deal

Fri, Jan 23 - Tue, Jan 27

9:10 am - 6:35 pmPDX-ICN

16h 25m1 stop

9:20 pm - 8:47 pmICN-PDX

16h 27m2 stops

$820Multiple Airlines

Find Deal

Sat, Jan 17 - Sun, Jan 25

9:50 am - 4:05 pmPDX-ICN

14h 15m1 stop

5:45 pm - 6:46 pmICN-PDX

17h 01m1 stop

$827Air Canada

Find Deal

Wed, Apr 29 - Wed, May 13

7:00 pm - 4:05 pmPDX-ICN

29h 05m1 stop

5:45 pm - 2:45 pmICN-PDX

13h 00m1 stop

$828Air Canada

Find Deal

Wed, Apr 8 - Wed, May 6

6:34 pm - 4:20 amMFR-ICN

17h 46m1 stop

4:50 pm - 9:26 pmICN-MFR

20h 36m2 stops

$931United Airlines

Find Deal

Tue, Apr 7 - Thu, Apr 16

2:08 pm - 4:15 pmEUG-ICN

33h 07m1 stop

11:30 am - 11:54 amICN-EUG

16h 24m1 stop

$933United Airlines

Find Deal

Sun, Mar 1 - Tue, Mar 31

7:05 am - 10:05 pmPDX-GMP

22h 00m2 stops

8:25 am - 9:15 amGMP-PDX

40h 50m2 stops

$973Multiple Airlines

Find Deal

Mon, Mar 2 - Mon, Mar 9

Delta flights from Oregon to Seoul

Our best Delta deals on Oregon to Seoul flight tickets

Delta

Jan 23

BOI7:25 amBoise Air Term. Gowen Fld

17h 05m

1 stop

ICN4:30 pmIncheon Intl

Jan 27

ICN7:30 pmIncheon Intl

17h 25m

1 stop

BOI8:55 pmBoise Air Term. Gowen Fld

$816

Find similar

Delta

Jan 23

BOI5:45 amBoise Air Term. Gowen Fld

18h 45m

2 stops

ICN4:30 pmIncheon Intl

Jan 27

ICN8:05 pmIncheon Intl

19h 07m

2 stops

BOI11:12 pmBoise Air Term. Gowen Fld

$820

Find similar

Delta

Jan 18

MFR6:05 amMedford

17h 25m

1 stop

ICN4:30 pmIncheon Intl

Jan 22

ICN8:05 pmIncheon Intl

13h 35m

1 stop

MFR4:40 pmMedford

$827

Find similar

Alaska Airlines flights from Oregon to Seoul

Our best Alaska Airlines deals on Oregon to Seoul flight tickets

Alaska Airlines

Feb 25

PDX10:30 amPortland

15h 05m

1 stop

ICN6:35 pmIncheon Intl

Mar 5

ICN8:35 pmIncheon Intl

13h 08m

1 stop

PDX4:43 pmPortland

$799

Find similar

Alaska Airlines

Jan 10

PDX1:38 pmPortland

35h 57m

1 stop

ICN6:35 pmIncheon Intl

Feb 20

ICN8:35 pmIncheon Intl

14h 30m

1 stop

PDX6:05 pmPortland

$801

Find similar

Alaska Airlines

Jan 10

PDX9:10 amPortland

16h 25m

1 stop

ICN6:35 pmIncheon Intl

Feb 20

ICN8:35 pmIncheon Intl

13h 08m

1 stop

PDX4:43 pmPortland

$807

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 2/25

10:30 am-6:35 pm

1 stop15h 05m

Incheon Intl

Thu 3/5

8:35 pm-4:43 pm

1 stop13h 08m

$799

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 1/10

1:38 pm-6:35 pm

1 stop35h 57m

Incheon Intl

Fri 2/20

8:35 pm-6:05 pm

1 stop14h 30m

$801

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Fri 1/23

7:25 am-4:30 pm

1 stop17h 05m

Incheon Intl

Tue 1/27

7:30 pm-8:55 pm

1 stop17h 25m

$816

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Fri 1/23

5:45 am-4:30 pm

2 stops18h 45m

Incheon Intl

Tue 1/27

8:05 pm-11:12 pm

2 stops19h 07m

$820

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 1/17

9:10 am-6:35 pm

1 stop16h 25m

Incheon Intl

Sun 1/25

9:20 pm-8:47 pm

2 stops16h 27m

$820

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 4/29

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Wed 5/13

5:45 pm-6:46 pm

1 stop17h 01m

$827

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 4/8

7:00 pm-4:05 pm

1 stop29h 05m

Incheon Intl

Wed 5/6

5:45 pm-2:45 pm

1 stop13h 00m

$828

MedfordIncheon

MFR - ICN

MFRICN

Medford

Tue 4/7

6:34 pm-4:20 am

1 stop17h 46m

Incheon Intl

Thu 4/16

4:50 pm-9:26 pm

2 stops20h 36m

$931

EugeneIncheon

EUG - ICN

EUGICN

Eugene

Sun 3/1

2:08 pm-4:15 pm

1 stop33h 07m

Incheon Intl

Tue 3/31

11:30 am-11:54 am

1 stop16h 24m

$933

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 3/2

7:05 am-10:05 pm

2 stops22h 00m

Seoul Gimpo Intl

Mon 3/9

8:25 am-9:15 am

2 stops40h 50m

$973

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $1,160 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 $994 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 50m
Direct flights	None

The fastest flight from Oregon to Seoul takes 13h 50m

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?
There are 7 operators available for flights from Oregon to Seoul as of November 2025.
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 Airlines	PriceFrom $767	Free Cancellation	Rating 7.8 2,815 reviews	Search Hawaiian Airlines flights
Air Canada	PriceFrom $809	Free Cancellation	Rating 7.1 10,481 reviews	Search Air Canada flights
Alaska Airlines	PriceFrom $847	Free Cancellation	Rating 8.0 11,359 reviews	Search Alaska Airlines flights
Delta	PriceFrom $849	Free Cancellation	Rating 7.9 8,003 reviews	Search Delta flights
United Airlines	PriceFrom $877	Free Cancellation	Rating 7.4 9,049 reviews	Search United Airlines flights
Asiana Airlines	PriceFrom $912	Free Cancellation	Rating 8.2 490 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $1,082	Free Cancellation	Rating 8.4 1,172 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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Fly into one of these airports located in Seoul

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Incheon Intl Airport

Cheap flights from Oregon to Seoul from $401

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.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Oregon to Seoul

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Delta flights from Oregon to Seoul

Our best Delta deals on Oregon to Seoul flight tickets

Alaska Airlines flights from Oregon to Seoul

Our best Alaska Airlines deals on Oregon to Seoul flight tickets

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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 day to depart on your flight to Seoul?

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

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

What is the cheapest airline that flies from Oregon to Seoul?

Alaska Airlines, Delta, and Japan Airlines are the most popular carriers operating from Oregon to Seoul

What airlines fly to Seoul?

How long does it take to fly to Seoul?

If you’re flying from a popular airport in Oregon, such as Portland or Eugene, and flying into Seoul, then you can expect flight times to average 14h 15m and 17h 20m, respectively.

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

Direct flights

When did momondo last update prices for flights from Oregon to Seoul?

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?

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

Best airlines flying from Oregon to Seoul

Compare and see reviews for airlines that fly from Oregon to Seoul with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Seoul?

Can I find flights from Oregon to Seoul with flexible booking policies on momondo?

How can momondo help me find flights 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?

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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