What is the cheapest airline that flies from Portland to South Korea?

WestJet is the most popular carrier operating from Portland to South Korea

What airlines fly to South Korea?

Air Canada, Delta and Asiana Airlines are the top three most popular airlines that fly to South Korea from Portland according to our data. Air Canada is the first choice among our users, with 43% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 6 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portland Airport to South Korea?

Prices for flights from Portland Airport to South Korea were last updated today.

How many operators does momondo search for flights from Portland Airport to South Korea?

The number of operators available for flights from Portland Airport to South Korea is 6 as of July 2026.

How old do you have to be to fly from Portland Airport to South Korea?

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 Portland Airport to South Korea.

What documentation or ID do you need to fly to South Korea?

The required travel and health documents for your South Korea trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at South Korea. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$389 Cheap Flights from Portland to South Korea in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to South Korea

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:03 am - 11:25 am

PDX

ICN

36h 22m

2 stops

7:45 pm - 8:50 pm

ICN

PDX

17h 05m

1 stop

$837Multiple Airlines

Mon, Sep 28 - Fri, Oct 30

6:50 pm - 9:40 pm

PDX

ICN

34h 50m

1 stop

7:45 pm - 8:50 pm

ICN

PDX

17h 05m

1 stop

$862Multiple Airlines

Sat, Sep 26 - Fri, Oct 30

2:30 pm - 6:45 pm

PDX

ICN

36h 15m

1 stop

8:45 pm - 1:50 pm

ICN

PDX

33h 05m

1 stop

$880WestJet

Thu, Aug 27 - Tue, Sep 29

2:30 pm - 6:45 pm

PDX

ICN

36h 15m

1 stop

8:45 pm - 1:50 pm

ICN

PDX

33h 05m

1 stop

$887WestJet

Thu, Aug 27 - Thu, Oct 1

7:19 am - 9:15 pm

PDX

GMP

21h 56m

2 stops

7:15 pm - 4:50 pm

GMP

PDX

37h 35m

2 stops

$1,230Japan Airlines

Tue, Aug 18 - Wed, Aug 26

7:01 am - 9:15 pm

PDX

GMP

22h 14m

2 stops

12:05 pm - 4:50 pm

GMP

PDX

20h 45m

2 stops

$1,232Japan Airlines

Fri, Aug 21 - Tue, Sep 1

5:34 pm - 10:50 am

PDX

PUS

48h 16m

2 stops

10:25 am - 4:10 pm

PUS

PDX

22h 45m

2 stops

$1,349Korean Air

Sun, Nov 1 - Thu, Nov 5

5:50 am - 7:35 pm

PDX

PUS

20h 45m

2 stops

4:10 pm - 4:10 pm

PUS

PDX

17h 00m

2 stops

$1,391Korean Air

Sun, Nov 1 - Thu, Nov 5

5:45 pm - 8:45 pm

PDX

PUS

34h 00m

2 stops

7:55 am - 4:13 pm

PUS

PDX

25h 18m

2 stops

$1,926Delta

Wed, Dec 23 - Fri, Jan 1

5:30 am - 8:10 am

PDX

PUS

33h 40m

2 stops

12:00 pm - 4:13 pm

PUS

PDX

21h 13m

2 stops

$1,940Delta

Tue, Dec 22 - Sat, Jan 2

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WestJet flights from Portland to South Korea

Our best WestJet deals on Portland to South Korea flight tickets

WestJet

Aug 27

PDX2:30 pmPortland

36h 15m

1 stop

ICN6:45 pmIncheon Intl

Sep 29

ICN8:45 pmIncheon Intl

33h 05m

1 stop

PDX1:50 pmPortland

$880

WestJet

Aug 27

PDX2:30 pmPortland

36h 15m

1 stop

ICN6:45 pmIncheon Intl

Oct 1

ICN8:45 pmIncheon Intl

33h 05m

1 stop

PDX1:50 pmPortland

$887

WestJet

Aug 27

PDX2:30 pmPortland

36h 15m

1 stop

ICN6:45 pmIncheon Intl

Oct 3

ICN8:45 pmIncheon Intl

33h 05m

1 stop

PDX1:50 pmPortland

$925

Alaska Airlines flights from Portland to South Korea

Our best Alaska Airlines deals on Portland to South Korea flight tickets

Alaska Airlines

Jul 23

PDX3:30 pmPortland

34h 00m

1 stop

ICN5:30 pmIncheon Intl

Aug 16

ICN7:35 pmIncheon Intl

29h 27m

2 stops

PDX9:02 amPortland

$1,257

Alaska Airlines

Jul 23

PDX5:00 amPortland

20h 30m

1 stop

ICN5:30 pmIncheon Intl

Aug 16

ICN7:35 pmIncheon Intl

19h 55m

1 stop

PDX11:30 pmPortland

$1,306

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 9/28

7:03 am-11:25 am

2 stops36h 22m

Incheon Intl

Fri 10/30

7:45 pm-8:50 pm

1 stop17h 05m

$837

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 9/26

6:50 pm-9:40 pm

1 stop34h 50m

Incheon Intl

Fri 10/30

7:45 pm-8:50 pm

1 stop17h 05m

$862

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 8/27

2:30 pm-6:45 pm

1 stop36h 15m

Incheon Intl

Tue 9/29

8:45 pm-1:50 pm

1 stop33h 05m

$880

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 8/27

2:30 pm-6:45 pm

1 stop36h 15m

Incheon Intl

Thu 10/1

8:45 pm-1:50 pm

1 stop33h 05m

$887

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 8/18

7:19 am-9:15 pm

2 stops21h 56m

Seoul Gimpo Intl

Wed 8/26

7:15 pm-4:50 pm

2 stops37h 35m

$1,230

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Fri 8/21

7:01 am-9:15 pm

2 stops22h 14m

Seoul Gimpo Intl

Tue 9/1

12:05 pm-4:50 pm

2 stops20h 45m

$1,232

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sun 11/1

5:34 pm-10:50 am

2 stops48h 16m

Busan Gimhae

Thu 11/5

10:25 am-4:10 pm

2 stops22h 45m

$1,349

Quickest round-trip

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sun 11/1

5:50 am-7:35 pm

2 stops20h 45m

Busan Gimhae

Thu 11/5

4:10 pm-4:10 pm

2 stops17h 00m

$1,391

PortlandBusan

PDX - PUS

PDXPUS

Portland

Wed 12/23

5:45 pm-8:45 pm

2 stops34h 00m

Busan Gimhae

Fri 1/1

7:55 am-4:13 pm

2 stops25h 18m

$1,926

PortlandBusan

PDX - PUS

PDXPUS

Portland

Tue 12/22

5:30 am-8:10 am

2 stops33h 40m

Busan Gimhae

Sat 1/2

12:00 pm-4:13 pm

2 stops21h 13m

$1,940

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 Portland to South Korea

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

What is the cheapest month to fly to South Korea?

If you aren’t able to travel to South Korea during the month of January, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $169.

How far in advance should I book a flight from Portland to South Korea?

You are more likely to see cheaper flights to South Korea from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,240 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from Portland for as low as $843 on momondo.

Cheap Portland to South Korea flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to South Korea

Fastest flight time	15h 06m
Direct flights	None

The fastest flight from Portland to South Korea takes 15h 06m

There are no direct flights from Portland to South Korea. There are no popular flight routes from Portland to South Korea.

Search flight deals

Frequently asked questions about flying from Portland to South Korea

When did momondo last update prices for flights from Portland Airport to South Korea?
Prices for flights from Portland Airport to South Korea were last updated today.
How many operators does momondo search for flights from Portland Airport to South Korea?
The number of operators available for flights from Portland Airport to South Korea is 6 as of July 2026.
How old do you have to be to fly from Portland Airport to South Korea?
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 Portland Airport to South Korea.
What documentation or ID do you need to fly to South Korea?
The required travel and health documents for your South Korea trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at South Korea. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portland to South Korea

Compare and see reviews for airlines that fly from Portland to South Korea with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $791	Free Cancellation	Rating 7.1 11,324 reviews	Search Air Canada flights
Alaska Airlines	PriceFrom $815	Free Cancellation	Rating 7.9 12,646 reviews	Search Alaska Airlines flights
Asiana Airlines	PriceFrom $881	Free Cancellation	Rating 8.1 551 reviews	Search Asiana Airlines flights
United Airlines	PriceFrom $910	Free Cancellation	Rating 7.4 9,960 reviews	Search United Airlines flights
Delta	PriceFrom $916	Free Cancellation	Rating 7.8 8,462 reviews	Search Delta flights
Korean Air	PriceFrom $1,059	Free Cancellation	Rating 8.4 1,221 reviews	Search Korean Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to South Korea?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to South Korea from Portland.

Can I find flights from Portland to South Korea with flexible booking policies on momondo?

momondo does allow users to show only those flights to South Korea from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to South Korea?

Once you have performed a search for Portland to South Korea flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to South Korea from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your South Korea 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.

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Feeling lucky

Popular cities in South Korea

Flights to Seoulfrom $685

Flights to Jeju Cityfrom $893

Flights to Busanfrom $745

Flights to Daegufrom $960

Flights to Gwangjufrom $1,588

Flights to Yeosu

Flights to Ulsanfrom $1,567

Flights to Jinjufrom $1,461

Flights to Muan

Cheap flights from Portland to South Korea from $389

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to South Korea 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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WestJet flights from Portland to South Korea

Our best WestJet deals on Portland to South Korea flight tickets

Alaska Airlines flights from Portland to South Korea

Our best Alaska Airlines deals on Portland to South Korea flight tickets

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Use the filters below to find and compare flights from Portland to South Korea that are best for you.

See travel insights to South Korea from

How to get the cheapest flight ticket from Portland to South Korea

What is the cheapest month to fly to South Korea?

How far in advance should I book a flight from Portland to South Korea?

What is the cheapest airline that flies from Portland to South Korea?

What airlines fly to South Korea?

Cheap Portland to South Korea flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to South Korea

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland to South Korea

Best airlines flying from Portland to South Korea

Compare and see reviews for airlines that fly from Portland to South Korea with momondo

Why use momondo?

An easier way to manage your South Korea 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

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo

Portland flight routes

According to popular flight searches on momondo this year

South Korea flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to South Korea

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to South Korea

List of cabin classes available on flights landing in South Korea. Availability may vary depending on flight origin and airline.

Complete your trip to South Korea

Explore popular destinations other users love

According to popular flight searches on momondo this year