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?

Delta and Alaska 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 September 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.

$356 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.

10:30 am - 9:20 pmPDX Portland-ICN Incheon Intl

17h 50m1 stop San Francisco

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

18h 03m1 stop San Francisco

$896Multiple Airlines

Wed, Feb 17 - Mon, Feb 22

7:00 am - 9:20 pmPDX Portland-ICN Incheon Intl

21h 20m1 stop San Francisco

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

18h 03m1 stop San Francisco

$896Multiple Airlines

Sat, Feb 13 - Mon, Feb 22

7:10 pm - 5:10 pmPDX Portland-ICN Incheon Intl

29h 00m1 stop Vancouver Intl

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

16h 36m1 stop Vancouver Intl

$906Air Canada

Sun, Jan 17 - Wed, Feb 3

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

17h 10m1 stop Vancouver Intl

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

12h 46m1 stop Vancouver Intl

$906Air Canada

Thu, Jan 28 - Tue, Feb 2

7:45 pm - 4:05 pmPDX Portland-ICN Incheon Intl

28h 20m1 stop Vancouver Intl

5:45 pm - 7:11 pmICN Incheon Intl-PDX Portland

17h 26m1 stop Vancouver Intl

$1,003Asiana Airlines

Mon, Oct 5 - Tue, Oct 20

5:30 am - 4:05 pmPDX Portland-ICN Incheon Intl

18h 35m2 stops San Francisco Vancouver Intl

5:45 pm - 7:11 pmICN Incheon Intl-PDX Portland

17h 26m1 stop Vancouver Intl

$1,007Asiana Airlines

Tue, Oct 6 - Tue, Oct 20

5:45 pm - 5:35 pmPDX Portland-ICN Incheon Intl

31h 50m2 stops Oakland Seattle/Tacoma Intl

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

30h 28m2 stops Seattle/Tacoma Intl San Francisco

$1,072Alaska Airlines

Sat, Oct 24 - Sun, Nov 1

5:48 pm - 5:35 pmPDX Portland-ICN Incheon Intl

31h 47m2 stops San Francisco Seattle/Tacoma Intl

8:00 pm - 10:52 amICN Incheon Intl-PDX Portland

30h 52m2 stops Seattle/Tacoma Intl San Francisco

$1,076Alaska Airlines

Sat, Oct 24 - Mon, Oct 26

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

24h 47m1 stop Newark

11:45 am - 6:24 pmICN Incheon Intl-PDX Portland

22h 39m1 stop San Francisco

$1,280United Airlines

Sun, Oct 18 - Thu, Oct 29

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

24h 47m1 stop Newark

11:45 am - 2:37 pmICN Incheon Intl-PDX Portland

18h 52m1 stop San Francisco

$1,280United Airlines

Sun, Oct 18 - Mon, Oct 26

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 am - 4:50 pmPDX Portland-ICN Incheon Intl

17h 50m1 stop Seattle/Tacoma Intl

7:00 pm - 8:02 pmICN Incheon Intl-PDX Portland

17h 02m1 stop Seattle/Tacoma Intl

$1,050Delta

Tue, Sep 22 - Tue, Sep 29

9:51 am - 4:50 pmPDX Portland-ICN Incheon Intl

14h 59m1 stop Seattle/Tacoma Intl

7:00 pm - 5:10 pmICN Incheon Intl-PDX Portland

14h 10m1 stop Seattle/Tacoma Intl

$1,050Delta

Mon, Sep 21 - Tue, Sep 29

10:37 am - 9:40 pmPDX Portland-ICN Incheon Intl

19h 03m1 stop San Francisco

7:15 pm - 11:14 pmICN Incheon Intl-PDX Portland

19h 59m1 stop San Francisco

$1,063Multiple Airlines

Wed, Sep 23 - Fri, Oct 23

10:37 am - 9:40 pmPDX Portland-ICN Incheon Intl

19h 03m1 stop San Francisco

7:15 pm - 9:29 amICN Incheon Intl-PDX Portland

30h 14m1 stop San Francisco

$1,079Multiple Airlines

Wed, Sep 23 - Mon, Oct 19

5:41 pm - 5:30 pmPDX Portland-ICN Incheon Intl

31h 49m1 stop Seattle/Tacoma Intl

7:35 pm - 11:02 pmICN Incheon Intl-PDX Portland

19h 27m1 stop Seattle/Tacoma Intl

$1,095Alaska Airlines

Wed, Sep 23 - Sun, Oct 4

7:09 am - 5:30 pmPDX Portland-ICN Incheon Intl

18h 21m1 stop Seattle/Tacoma Intl

7:35 pm - 9:56 pmICN Incheon Intl-PDX Portland

18h 21m1 stop Seattle/Tacoma Intl

$1,125Alaska Airlines

Wed, Sep 23 - Sun, Oct 4

7:45 pm - 4:05 pmPDX Portland-ICN Incheon Intl

28h 20m1 stop Vancouver Intl

5:45 pm - 2:46 pmICN Incheon Intl-PDX Portland

13h 01m1 stop Vancouver Intl

$1,138Air Canada

Tue, Sep 22 - Wed, Oct 14

3:30 pm - 4:05 pmPDX Portland-ICN Incheon Intl

32h 35m1 stop Vancouver Intl

5:45 pm - 7:11 pmICN Incheon Intl-PDX Portland

17h 26m1 stop Vancouver Intl

$1,148Air Canada

Tue, Sep 22 - Wed, Oct 21

7:45 pm - 4:05 pmPDX Portland-ICN Incheon Intl

28h 20m1 stop Vancouver Intl

5:45 pm - 2:46 pmICN Incheon Intl-PDX Portland

13h 01m1 stop Vancouver Intl

$1,198Asiana Airlines

Tue, Sep 22 - Tue, Oct 20

3:30 pm - 4:05 pmPDX Portland-ICN Incheon Intl

32h 35m1 stop Vancouver Intl

5:45 pm - 7:11 pmICN Incheon Intl-PDX Portland

17h 26m1 stop Vancouver Intl

$1,198Asiana Airlines

Mon, Sep 21 - Thu, Oct 22

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Air Canada flights from Portland to South Korea

Our best Air Canada deals on Portland to South Korea flight tickets

Air Canada

Jan 17

PDX7:10 pmPortland

29h 00m

1 stop

ICN5:10 pmIncheon Intl

Feb 3

ICN6:55 pmIncheon Intl

16h 36m

1 stop

PDX6:31 pmPortland

$906

Air Canada

Jan 17

PDX7:10 pmPortland

29h 00m

1 stop

ICN5:10 pmIncheon Intl

Feb 3

ICN6:55 pmIncheon Intl

16h 36m

1 stop

PDX6:31 pmPortland

$921

Air Canada

Feb 14

PDX7:10 pmPortland

29h 00m

1 stop

ICN5:10 pmIncheon Intl

Feb 18

ICN6:55 pmIncheon Intl

18h 51m

1 stop

PDX8:46 pmPortland

$931

Asiana Airlines flights from Portland to South Korea

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

Asiana Airlines

Feb 16

PDX10:00 amPortland

14h 10m

1 stop

ICN5:10 pmIncheon Intl

Feb 21

ICN6:55 pmIncheon Intl

12h 46m

1 stop

PDX2:41 pmPortland

$1,017

Asiana Airlines

Sep 22

PDX7:45 pmPortland

28h 20m

1 stop

ICN4:05 pmIncheon Intl

Oct 20

ICN5:45 pmIncheon Intl

13h 01m

1 stop

PDX2:46 pmPortland

$1,198

Asiana Airlines

Sep 23

PDX5:30 amPortland

18h 35m

2 stops

ICN4:05 pmIncheon Intl

Oct 20

ICN5:45 pmIncheon Intl

13h 01m

1 stop

PDX2:46 pmPortland

$1,202

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Wed 2/17

10:30 am-9:20 pm

1 stop17h 50m

Incheon Intl

Mon 2/22

7:45 pm-8:48 pm

1 stop18h 03m

$896

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sat 2/13

7:00 am-9:20 pm

1 stop21h 20m

Incheon Intl

Mon 2/22

7:45 pm-8:48 pm

1 stop18h 03m

$896

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sun 1/17

7:10 pm-5:10 pm

1 stop29h 00m

Incheon Intl

Wed 2/3

6:55 pm-6:31 pm

1 stop16h 36m

$906

Quickest round-trip

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Thu 1/28

7:00 am-5:10 pm

1 stop17h 10m

Incheon Intl

Tue 2/2

6:55 pm-2:41 pm

1 stop12h 46m

$906

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Mon 10/5

7:45 pm-4:05 pm

1 stop28h 20m

Incheon Intl

Tue 10/20

5:45 pm-7:11 pm

1 stop17h 26m

$1,003

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Tue 10/6

5:30 am-4:05 pm

2 stops18h 35m

Incheon Intl

Tue 10/20

5:45 pm-7:11 pm

1 stop17h 26m

$1,007

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sat 10/24

5:45 pm-5:35 pm

2 stops31h 50m

Incheon Intl

Sun 11/1

8:00 pm-9:28 am

2 stops30h 28m

$1,072

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sat 10/24

5:48 pm-5:35 pm

2 stops31h 47m

Incheon Intl

Mon 10/26

8:00 pm-10:52 am

2 stops30h 52m

$1,076

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sun 10/18

10:33 pm-3:20 pm

1 stop24h 47m

Incheon Intl

Thu 10/29

11:45 am-6:24 pm

1 stop22h 39m

$1,280

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sun 10/18

10:33 pm-3:20 pm

1 stop24h 47m

Incheon Intl

Mon 10/26

11:45 am-2:37 pm

1 stop18h 52m

$1,280

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 April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $964.

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 $1,280 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	$356
Fastest flight time	14h 10m
Direct flights	None

The best one-way flight to South Korea from Portland in the past 72 hours is $356. The best round-trip flight deal from Portland to South Korea found on momondo in the last 72 hours is $896.

The fastest flight from Portland to South Korea takes 14h 10m

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 September 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 12,954 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $791	Free Cancellation	Rating 7.1 11,658 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $914	Free Cancellation	Rating 8.1 562 reviews	Search Asiana Airlines flights
United Airlines	PriceFrom $915	Free Cancellation	Rating 7.4 10,220 reviews	Search United Airlines flights
Delta	PriceFrom $916	Free Cancellation	Rating 7.8 8,593 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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Popular cities in South Korea

Flights to Seoulfrom $592

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Flights to Ulsanfrom $1,469

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Cheap flights from Portland to South Korea from $356

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 11/4. 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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Air Canada flights from Portland to South Korea

Our best Air Canada deals on Portland to South Korea flight tickets

Asiana Airlines flights from Portland to South Korea

Our best Asiana Airlines 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