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 45% 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.

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

Alaska Airlines and United Airlines are the most popular carriers operating 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 October 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.

$437 Cheap Flights from Portland to South Korea in 2026/27

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.

10:59 am - 9:20 pmPDX Portland-ICN Incheon Intl

17h 21m1 stop San Francisco

7:45 pm - 8:48 pmICN Incheon Intl-PDX Portland

18h 03m1 stop San Francisco

$875Multiple Airlines

Fri, Jan 29 - Fri, Feb 19

10:59 am - 9:20 pmPDX Portland-ICN Incheon Intl

17h 21m1 stop San Francisco

7:45 pm - 8:50 pmICN Incheon Intl-PDX Portland

18h 05m1 stop San Francisco

$879Multiple Airlines

Sat, Jan 16 - Fri, Jan 22

7:00 am - 3:55 pmPDX Portland-ICN Incheon Intl

15h 55m1 stop Seattle/Tacoma Intl

4:10 pm - 1:35 pmICN Incheon Intl-PDX Portland

14h 25m1 stop Seattle/Tacoma Intl

$893Korean Air

Mon, Nov 9 - Tue, Nov 24

7:00 am - 3:55 pmPDX Portland-ICN Incheon Intl

15h 55m1 stop Seattle/Tacoma Intl

7:40 pm - 8:56 pmICN Incheon Intl-PDX Portland

18h 16m1 stop Los Angeles

$893Korean Air

Mon, Nov 9 - Tue, Nov 24

5:33 am - 4:20 pmPDX Portland-ICN Incheon Intl

17h 47m1 stop Salt Lake City

6:45 pm - 9:57 pmICN Incheon Intl-PDX Portland

20h 12m1 stop Seattle/Tacoma Intl

$908Delta

Thu, Nov 5 - Wed, Nov 25

5:30 am - 5:45 pmPDX Portland-ICN Incheon Intl

19h 15m1 stop Seattle/Tacoma Intl

6:40 pm - 4:29 pmICN Incheon Intl-PDX Portland

14h 49m1 stop Salt Lake City

$908Delta

Wed, Nov 11 - Sun, Nov 22

6:10 pm - 5:35 pmPDX Portland-ICN Incheon Intl

30h 25m2 stops San Francisco Seattle/Tacoma Intl

8:00 pm - 8:48 pmICN Incheon Intl-PDX Portland

17h 48m2 stops Seattle/Tacoma Intl San Francisco

$953Alaska Airlines

Sat, Jan 23 - Sat, Feb 20

6:10 pm - 5:35 pmPDX Portland-ICN Incheon Intl

30h 25m2 stops San Francisco Seattle/Tacoma Intl

8:00 pm - 10:51 amICN Incheon Intl-PDX Portland

31h 51m2 stops Seattle/Tacoma Intl San Francisco

$953Alaska Airlines

Sat, Jan 16 - Fri, Jan 22

7:00 am - 5:10 pmPDX Portland-ICN Incheon Intl

17h 10m1 stop Vancouver Intl

6:55 pm - 6:31 pmICN Incheon Intl-PDX Portland

40h 36m1 stop Vancouver Intl

$1,137Air Canada

Tue, Nov 3 - Tue, Nov 17

10:00 am - 5:10 pmPDX Portland-ICN Incheon Intl

14h 10m1 stop Vancouver Intl

6:55 pm - 2:41 pmICN Incheon Intl-PDX Portland

12h 46m1 stop Vancouver Intl

$1,248Air Canada

Thu, Nov 12 - Thu, Nov 19

Cheap last minute flights

Enter your travel dates to find the best prices.

7:18 am - 12:25 amPDX Portland-ICN Incheon Intl

25h 07m2 stops San Francisco Hong Kong Intl

1:55 am - 1:13 pmICN Incheon Intl-PDX Portland

28h 18m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,095Cathay Pacific

Thu, Oct 22 - Wed, Nov 4

6:18 pm - 12:40 pmPDX Portland-ICN Incheon Intl

26h 22m2 stops Los Angeles Hong Kong Intl

10:00 am - 11:18 pmICN Incheon Intl-PDX Portland

30h 18m2 stops Hong Kong Intl Los Angeles

$1,117Multiple Airlines

Thu, Oct 22 - Thu, Nov 5

7:18 am - 12:25 amPDX Portland-ICN Incheon Intl

25h 07m2 stops San Francisco Hong Kong Intl

1:55 am - 1:13 pmICN Incheon Intl-PDX Portland

28h 18m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,137Cathay Pacific

Wed, Oct 21 - Tue, Nov 3

11:03 am - 5:35 pmPDX Portland-ICN Incheon Intl

14h 32m1 stop Seattle/Tacoma Intl

8:00 pm - 9:28 amICN Incheon Intl-PDX Portland

30h 28m2 stops Seattle/Tacoma Intl San Francisco

$1,509Alaska Airlines

Sat, Oct 24 - Sun, Nov 1

7:45 pm - 4:10 pmPDX Portland-ICN Incheon Intl

28h 25m1 stop Vancouver Intl

6:55 pm - 8:46 pmICN Incheon Intl-PDX Portland

18h 51m1 stop Vancouver Intl

$1,518Air Canada

Sat, Oct 24 - Sun, Nov 1

7:45 pm - 4:10 pmPDX Portland-ICN Incheon Intl

28h 25m1 stop Vancouver Intl

6:55 pm - 8:46 pmICN Incheon Intl-PDX Portland

18h 51m1 stop Vancouver Intl

$1,519Air Canada

Sat, Oct 24 - Sun, Nov 1

11:03 am - 5:30 pmPDX Portland-ICN Incheon Intl

14h 27m1 stop Seattle/Tacoma Intl

8:00 pm - 9:28 amICN Incheon Intl-PDX Portland

30h 28m2 stops Seattle/Tacoma Intl San Francisco

$1,570Alaska Airlines

Thu, Oct 22 - Thu, Nov 5

10:33 pm - 3:20 pmPDX Portland-ICN Incheon Intl

24h 47m1 stop Newark

11:30 am - 12:05 pmICN Incheon Intl-PDX Portland

16h 35m1 stop San Francisco

$1,658United Airlines

Mon, Oct 19 - Thu, Oct 22

10:33 pm - 3:20 pmPDX Portland-ICN Incheon Intl

24h 47m1 stop Newark

11:30 am - 12:05 pmICN Incheon Intl-PDX Portland

16h 35m1 stop San Francisco

$1,659United Airlines

Mon, Oct 19 - Thu, Oct 22

9:34 pm - 5:30 pmPDX Portland-ICN Incheon Intl

51h 56m2 stops Ontario Seattle/Tacoma Intl

7:35 pm - 10:52 amICN Incheon Intl-PDX Portland

31h 17m2 stops Seattle/Tacoma Intl San Francisco

$1,946Alaska Airlines

Mon, Oct 19 - Thu, Oct 22

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Alaska Airlines flights from Portland to South Korea

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

Alaska Airlines

Jan 29

PDX6:10 pmPortland

30h 25m

2 stops

ICN5:35 pmIncheon Intl

Feb 4

ICN8:00 pmIncheon Intl

17h 49m

2 stops

PDX8:49 pmPortland

$953

Alaska Airlines

Jan 15

PDX5:55 pmPortland

30h 40m

2 stops

ICN5:35 pmIncheon Intl

Jan 22

ICN8:00 pmIncheon Intl

30h 26m

2 stops

PDX9:26 amPortland

$1,009

Alaska Airlines

Apr 11

PDX7:40 pmPortland

44h 05m

2 stops

PUS7:45 amBusan Gimhae

Apr 14

PUS4:30 pmBusan Gimhae

20h 43m

2 stops

PDX9:13 pmPortland

$1,345

Cathay Pacific flights from Portland to South Korea

Our best Cathay Pacific deals on Portland to South Korea flight tickets

Cathay Pacific

Oct 22

PDX7:18 amPortland

25h 07m

2 stops

ICN12:25 amIncheon Intl

Nov 4

ICN1:55 amIncheon Intl

28h 18m

2 stops

PDX1:13 pmPortland

$1,095

Cathay Pacific

Oct 27

PDX7:18 amPortland

25h 22m

2 stops

ICN12:40 amIncheon Intl

Nov 9

ICN1:55 amIncheon Intl

30h 18m

2 stops

PDX3:13 pmPortland

$1,137

Cathay Pacific

Nov 1

PDX2:48 pmPortland

40h 52m

2 stops

ICN12:40 amIncheon Intl

Nov 12

ICN10:00 amIncheon Intl

27h 37m

2 stops

PDX8:37 pmPortland

$1,144

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Fri 1/29

10:59 am-9:20 pm

1 stop17h 21m

Incheon Intl

Fri 2/19

7:45 pm-8:48 pm

1 stop18h 03m

$875

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sat 1/16

10:59 am-9:20 pm

1 stop17h 21m

Incheon Intl

Fri 1/22

7:45 pm-8:50 pm

1 stop18h 05m

$879

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Mon 11/9

7:00 am-3:55 pm

1 stop15h 55m

Incheon Intl

Tue 11/24

4:10 pm-1:35 pm

1 stop14h 25m

$893

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Mon 11/9

7:00 am-3:55 pm

1 stop15h 55m

Incheon Intl

Tue 11/24

7:40 pm-8:56 pm

1 stop18h 16m

$893

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Thu 11/5

5:33 am-4:20 pm

1 stop17h 47m

Incheon Intl

Wed 11/25

6:45 pm-9:57 pm

1 stop20h 12m

$908

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Wed 11/11

5:30 am-5:45 pm

1 stop19h 15m

Incheon Intl

Sun 11/22

6:40 pm-4:29 pm

1 stop14h 49m

$908

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sat 1/23

6:10 pm-5:35 pm

2 stops30h 25m

Incheon Intl

Sat 2/20

8:00 pm-8:48 pm

2 stops17h 48m

$953

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sat 1/16

6:10 pm-5:35 pm

2 stops30h 25m

Incheon Intl

Fri 1/22

8:00 pm-10:51 am

2 stops31h 51m

$953

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Tue 11/3

7:00 am-5:10 pm

1 stop17h 10m

Incheon Intl

Tue 11/17

6:55 pm-6:31 pm

1 stop40h 36m

$1,137

Quickest round-trip

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Thu 11/12

10:00 am-5:10 pm

1 stop14h 10m

Incheon Intl

Thu 11/19

6:55 pm-2:41 pm

1 stop12h 46m

$1,248

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 February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $950.

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 $1,281 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 $1,042 on momondo.

Can stopping save me money on Portland to South Korea flights?

You could potentially save up to 30% on your flight if you consider stops on a Portland to South Korea flight.

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

Best Price Found	$437
Fastest flight time	15h 55m
Direct flights	None

The best one-way flight to South Korea from Portland in the past 72 hours is $437. The best round-trip flight deal from Portland to South Korea found on momondo in the last 72 hours is $875.

The fastest flight from Portland to South Korea takes 15h 55m

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 October 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
Alaska Airlines	PriceFrom $131	Free Cancellation	Rating 7.9 13,085 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $792	Free Cancellation	Rating 7.1 11,778 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $914	Free Cancellation	Rating 8.1 565 reviews	Search Asiana Airlines flights
United Airlines	PriceFrom $915	Free Cancellation	Rating 7.4 10,381 reviews	Search United Airlines flights
Delta	PriceFrom $921	Free Cancellation	Rating 7.8 8,658 reviews	Search Delta flights
Korean Air	PriceFrom $1,172	Free Cancellation	Rating 8.4 1,218 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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Flights to Seoulfrom $608

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Flights to Ulsanfrom $1,972

Flights to Muan

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Cheap flights from Portland to South Korea from $437

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 1/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Portland to South Korea

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Alaska Airlines flights from Portland to South Korea

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

Cathay Pacific flights from Portland to South Korea

Our best Cathay Pacific deals on Portland to South Korea flight tickets

momondo Fare Finder

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?

Can stopping save me money on Portland to South Korea flights?

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

Best Price Found

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