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

United Airlines 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 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.

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.

$402 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.

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

29h 00m1 stop Vancouver Intl

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

18h 51m1 stop Vancouver Intl

$866Air Canada

Tue, Jan 12 - Thu, Jan 21

10:00 am - 4:05 pmPDX Portland-ICN Incheon Intl

14h 05m1 stop Vancouver Intl

5:45 pm - 6:25 pmICN Incheon Intl-PDX Portland

16h 40m1 stop Vancouver Intl

$866Air Canada

Wed, Apr 21 - Wed, May 5

7:09 am - 9:20 pmPDX Portland-ICN Incheon Intl

21h 11m1 stop San Francisco

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

18h 05m1 stop San Francisco

$886Multiple Airlines

Sat, Jan 16 - Sat, Jan 23

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

$886Multiple Airlines

Mon, Jan 11 - Sat, Jan 23

9:16 am - 5:45 pmPDX Portland-ICN Incheon Intl

15h 29m1 stop Seattle/Tacoma Intl

6:45 pm - 6:55 pmICN Incheon Intl-PDX Portland

17h 10m1 stop Seattle/Tacoma Intl

$909Delta

Thu, Nov 12 - Sun, Nov 22

9:16 am - 5:45 pmPDX Portland-ICN Incheon Intl

15h 29m1 stop Seattle/Tacoma Intl

6:45 pm - 8:44 pmICN Incheon Intl-PDX Portland

18h 59m1 stop Seattle/Tacoma Intl

$909Delta

Tue, Nov 17 - Fri, Nov 27

11:10 pm - 4:25 pmPDX Portland-ICN Incheon Intl

24h 15m1 stop Newark

6:00 pm - 12:54 amICN Incheon Intl-PDX Portland

23h 54m1 stop San Francisco

$909United Airlines

Sun, Nov 15 - Thu, Nov 26

11:10 pm - 4:25 pmPDX Portland-ICN Incheon Intl

24h 15m1 stop Newark

6:00 pm - 12:54 amICN Incheon Intl-PDX Portland

23h 54m1 stop San Francisco

$909United Airlines

Mon, Nov 16 - Thu, Nov 26

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

Wed, Jan 20 - Sun, Jan 24

5:32 pm - 5:35 pmPDX Portland-ICN Incheon Intl

31h 03m2 stops Oakland Seattle/Tacoma Intl

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

17h 48m2 stops Seattle/Tacoma Intl San Francisco

$953Alaska Airlines

Sat, Feb 13 - Sat, Feb 20

Cheap last minute flights

Enter your travel dates to find the best prices.

9:59 pm - 12:40 amPDX Portland-ICN Incheon Intl

33h 41m2 stops Seattle/Tacoma Intl Hong Kong Intl

3:00 pm - 8:34 pmICN Incheon Intl-PDX Portland

22h 34m2 stops Hong Kong Intl Los Angeles

$1,082Multiple Airlines

Sun, Nov 1 - Mon, Feb 1

11:49 pm - 4:45 pmPDX Portland-ICN Incheon Intl

23h 56m1 stop Dallas/Fort Worth

6:50 pm - 11:43 pmICN Incheon Intl-PDX Portland

21h 53m1 stop Dallas/Fort Worth

$1,099American Airlines

Mon, Nov 2 - Mon, Nov 9

11:49 pm - 4:45 pmPDX Portland-ICN Incheon Intl

23h 56m1 stop Dallas/Fort Worth

6:50 pm - 10:10 pmICN Incheon Intl-PDX Portland

20h 20m1 stop Dallas/Fort Worth

$1,099American Airlines

Tue, Nov 3 - Tue, Nov 10

11:49 pm - 4:45 pmPDX Portland-ICN Incheon Intl

23h 56m1 stop Dallas/Fort Worth

6:50 pm - 11:54 pmICN Incheon Intl-PDX Portland

22h 04m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

$1,110Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

11:49 pm - 4:45 pmPDX Portland-ICN Incheon Intl

23h 56m1 stop Dallas/Fort Worth

6:50 pm - 12:01 amICN Incheon Intl-PDX Portland

22h 11m2 stops Dallas/Fort Worth Los Angeles

$1,117American Airlines

Mon, Nov 2 - Mon, Nov 9

7:15 pm - 5:10 pmPDX Portland-ICN Incheon Intl

28h 55m1 stop Vancouver Intl

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

12h 46m1 stop Vancouver Intl

$1,193Air Canada

Mon, Nov 2 - Thu, Nov 12

7:15 pm - 5:10 pmPDX Portland-ICN Incheon Intl

28h 55m1 stop Vancouver Intl

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

12h 46m1 stop Vancouver Intl

$1,193Air Canada

Sun, Nov 1 - Thu, Nov 12

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

14h 10m1 stop Vancouver Intl

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

16h 36m1 stop Vancouver Intl

$1,230Air Canada

Mon, Nov 2 - Fri, Nov 20

7:15 pm - 5:10 pmPDX Portland-ICN Incheon Intl

28h 55m1 stop Vancouver Intl

8:00 pm - 9:26 amICN Incheon Intl-PDX Portland

30h 26m2 stops Hong Kong Intl Vancouver Intl

$1,259Air Canada

Mon, Nov 2 - Thu, Nov 12

6:04 pm - 5:35 pmPDX Portland-ICN Incheon Intl

30h 31m2 stops Los Angeles Seattle/Tacoma Intl

6:45 pm - 4:50 pmICN Incheon Intl-PDX Portland

39h 05m3 stops Hanoi Noibai Tokyo Narita Seattle/Tacoma Intl

$9,718Alaska Airlines

Tue, Nov 3 - Tue, Nov 10

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Air Canada flights from Portland to South Korea

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

Air Canada

Jan 12

PDX7:10 pmPortland

29h 00m

1 stop

ICN5:10 pmIncheon Intl

Jan 21

ICN6:55 pmIncheon Intl

18h 51m

1 stop

PDX8:46 pmPortland

$866

Air Canada

Jan 12

PDX7:10 pmPortland

29h 00m

1 stop

ICN5:10 pmIncheon Intl

Jan 21

ICN6:55 pmIncheon Intl

18h 51m

1 stop

PDX8:46 pmPortland

$871

Air Canada

Nov 16

PDX7:10 pmPortland

29h 00m

1 stop

ICN5:10 pmIncheon Intl

Nov 23

ICN6:55 pmIncheon Intl

16h 36m

1 stop

PDX6:31 pmPortland

$876

Alaska Airlines flights from Portland to South Korea

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

Alaska Airlines

Jan 12

PDX6:10 pmPortland

30h 25m

2 stops

ICN5:35 pmIncheon Intl

Jan 21

ICN8:00 pmIncheon Intl

31h 51m

2 stops

PDX10:51 amPortland

$953

Alaska Airlines

Jan 13

PDX5:55 pmPortland

30h 40m

2 stops

ICN5:35 pmIncheon Intl

Jan 16

ICN8:00 pmIncheon Intl

17h 50m

2 stops

PDX8:50 pmPortland

$962

Alaska Airlines

Jan 11

PDX5:37 pmPortland

54h 58m

2 stops

ICN5:35 pmIncheon Intl

Jan 16

ICN8:00 pmIncheon Intl

17h 49m

2 stops

PDX8:49 pmPortland

$967

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Tue 1/12

7:10 pm-5:10 pm

1 stop29h 00m

Incheon Intl

Thu 1/21

6:55 pm-8:46 pm

1 stop18h 51m

$866

Quickest round-trip

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Wed 4/21

10:00 am-4:05 pm

1 stop14h 05m

Incheon Intl

Wed 5/5

5:45 pm-6:25 pm

1 stop16h 40m

$866

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sat 1/16

7:09 am-9:20 pm

1 stop21h 11m

Incheon Intl

Sat 1/23

7:45 pm-8:50 pm

1 stop18h 05m

$886

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Mon 1/11

10:59 am-9:20 pm

1 stop17h 21m

Incheon Intl

Sat 1/23

7:45 pm-8:50 pm

1 stop18h 05m

$886

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Thu 11/12

9:16 am-5:45 pm

1 stop15h 29m

Incheon Intl

Sun 11/22

6:45 pm-6:55 pm

1 stop17h 10m

$909

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Tue 11/17

9:16 am-5:45 pm

1 stop15h 29m

Incheon Intl

Fri 11/27

6:45 pm-8:44 pm

1 stop18h 59m

$909

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sun 11/15

11:10 pm-4:25 pm

1 stop24h 15m

Incheon Intl

Thu 11/26

6:00 pm-12:54 am

1 stop23h 54m

$909

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Mon 11/16

11:10 pm-4:25 pm

1 stop24h 15m

Incheon Intl

Thu 11/26

6:00 pm-12:54 am

1 stop23h 54m

$909

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Wed 1/20

6:10 pm-5:35 pm

2 stops30h 25m

Incheon Intl

Sun 1/24

8:00 pm-10:51 am

2 stops31h 51m

$953

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sat 2/13

5:32 pm-5:35 pm

2 stops31h 03m

Incheon Intl

Sat 2/20

8:00 pm-8:48 pm

2 stops17h 48m

$953

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 $948.

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 $1,278 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 55% 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	$402
Fastest flight time	17h 20m
Direct flights	None

The best one-way flight to South Korea from Portland in the past 72 hours is $402. The best round-trip flight deal from Portland to South Korea found on momondo in the last 72 hours is $866.

The fastest flight from Portland to South Korea takes 17h 20m

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 13,135 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $792	Free Cancellation	Rating 7.1 11,835 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $881	Free Cancellation	Rating 8.1 569 reviews	Search Asiana Airlines flights
United Airlines	PriceFrom $915	Free Cancellation	Rating 7.3 10,459 reviews	Search United Airlines flights
Delta	PriceFrom $936	Free Cancellation	Rating 7.8 8,696 reviews	Search Delta flights
Korean Air	PriceFrom $1,172	Free Cancellation	Rating 8.4 1,219 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sun 11/29

Sun 12/6

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to South Korea

Popular cities

Other flights from Portland

Other flights to South Korea

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in South Korea

Flights to Seoulfrom $618

Flights to Jeju Cityfrom $826

Flights to Busanfrom $824

Flights to Daegufrom $1,000

Flights to Gwangjufrom $888

Flights to Ulsanfrom $2,143

Flights to Muan

Flights to Jinjufrom $1,461

Flights to Yeosu

Cheap flights from Portland to South Korea from $402

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 2/25. 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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

Air Canada flights from Portland to South Korea

Our best Air Canada 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

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