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

Alaska Airlines and Korean Air are the most popular carriers 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 42% 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 November 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.

$405 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.

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

21h 20m1 stop San Francisco

7:45 pm - 8:17 pmICN Incheon Intl-PDX Portland

17h 32m1 stop San Francisco

$870Multiple Airlines

Sat, Dec 5 - Sat, Dec 12

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

21h 20m1 stop San Francisco

7:45 pm - 9:27 amICN Incheon Intl-PDX Portland

30h 42m1 stop San Francisco

$879Multiple Airlines

Sat, Dec 5 - Fri, Dec 11

6:01 pm - 5:35 pmPDX Portland-ICN Incheon Intl

30h 34m2 stops San Francisco Seattle/Tacoma Intl

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

31h 51m2 stops Seattle/Tacoma Intl San Francisco

$973Alaska Airlines

Tue, Jan 19 - Fri, Feb 5

5:38 pm - 5:35 pmPDX Portland-ICN Incheon Intl

30h 57m2 stops Oakland Seattle/Tacoma Intl

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

17h 48m2 stops Seattle/Tacoma Intl Oakland

$986Alaska Airlines

Wed, Feb 10 - Fri, Feb 19

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

$1,185Air Canada

Tue, Jan 12 - Thu, Jan 21

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

$1,187Air Canada

Mon, Jan 25 - Mon, Feb 8

11:10 am - 5:45 pmPDX Portland-ICN Incheon Intl

14h 35m1 stop Seattle/Tacoma Intl

7:00 pm - 8:50 pmICN Incheon Intl-PDX Portland

17h 50m1 stop Seattle/Tacoma Intl

$1,358Delta

Mon, Mar 22 - Sun, Apr 4

11:10 am - 5:45 pmPDX Portland-ICN Incheon Intl

14h 35m1 stop Seattle/Tacoma Intl

7:00 pm - 11:52 pmICN Incheon Intl-PDX Portland

20h 52m1 stop Seattle/Tacoma Intl

$1,358Delta

Mon, Mar 22 - Thu, Apr 1

5:35 am - 3:00 pmPDX Portland-ICN Incheon Intl

17h 25m1 stop San Francisco

4:50 pm - 6:31 pmICN Incheon Intl-PDX Portland

17h 41m1 stop San Francisco

$1,358United Airlines

Wed, Apr 14 - Thu, Apr 29

10:57 am - 4:20 amPDX Portland-ICN Incheon Intl

25h 23m1 stop San Francisco

4:50 pm - 10:57 pmICN Incheon Intl-PDX Portland

22h 07m1 stop San Francisco

$1,470United Airlines

Sat, May 8 - Sun, Jun 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

7:35 pm - 8:28 amICN Incheon Intl-PDX Portland

29h 53m2 stops Hong Kong Intl Los Angeles

$1,112Multiple Airlines

Sun, Nov 15 - Fri, Nov 27

7:08 am - 12:40 amPDX Portland-ICN Incheon Intl

24h 32m2 stops Seattle/Tacoma Intl Hong Kong Intl

3:00 pm - 10:28 pmICN Incheon Intl-PDX Portland

24h 28m2 stops Hong Kong Intl Los Angeles

$1,114Multiple Airlines

Mon, Nov 16 - Wed, Dec 2

6:53 am - 12:40 amPDX Portland-ICN Incheon Intl

24h 47m2 stops Los Angeles Hong Kong Intl

10:20 pm - 6:56 pmICN Incheon Intl-PDX Portland

37h 36m1 stop Los Angeles

$1,183Multiple Airlines

Mon, Nov 16 - Wed, Dec 2

6:53 am - 12:40 amPDX Portland-ICN Incheon Intl

24h 47m2 stops Los Angeles Hong Kong Intl

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

24h 46m3 stops Qingdao Jiaodong Intl Shanghai Pu Dong Vancouver Intl

$1,280Multiple Airlines

Mon, Nov 16 - Wed, Dec 2

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

16h 36m1 stop Vancouver Intl

$1,320Air Canada

Wed, Nov 18 - Wed, Nov 25

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

17h 10m1 stop Vancouver Intl

6:55 pm - 9:26 amICN Incheon Intl-PDX Portland

31h 31m1 stop Vancouver Intl

$1,323Air Canada

Wed, Nov 18 - Mon, Nov 30

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

17h 10m1 stop Vancouver Intl

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

30h 26m2 stops Hong Kong Intl Vancouver Intl

$1,336Air Canada

Wed, Nov 18 - Mon, Nov 30

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

17h 10m1 stop Vancouver Intl

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

30h 26m2 stops Hong Kong Intl Vancouver Intl

$1,384Air Canada

Wed, Nov 18 - Mon, Nov 30

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

17h 10m1 stop Vancouver Intl

6:55 pm - 9:26 amICN Incheon Intl-PDX Portland

31h 31m1 stop Vancouver Intl

$1,405Asiana Airlines

Wed, Nov 18 - Mon, Nov 30

3:40 pm - 4:15 pmPDX Portland-ICN Incheon Intl

31h 35m1 stop San Francisco

7:25 pm - 10:45 pmICN Incheon Intl-PDX Portland

44h 20m2 stops Hong Kong Intl San Francisco

$1,568United Airlines

Fri, Nov 20 - Mon, Nov 30

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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 19

PDX6:01 pmPortland

30h 34m

2 stops

ICN5:35 pmIncheon Intl

Feb 5

ICN8:00 pmIncheon Intl

31h 51m

2 stops

PDX10:51 amPortland

$973

Alaska Airlines

Feb 10

PDX5:38 pmPortland

30h 57m

2 stops

ICN5:35 pmIncheon Intl

Feb 19

ICN8:00 pmIncheon Intl

17h 48m

2 stops

PDX8:48 pmPortland

$986

Alaska Airlines

Jan 12

PDX6:01 pmPortland

30h 34m

2 stops

ICN5:35 pmIncheon Intl

Jan 21

ICN8:00 pmIncheon Intl

17h 50m

2 stops

PDX8:50 pmPortland

$996

Air Canada flights from Portland to South Korea

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

Air Canada

Nov 18

PDX7:00 amPortland

17h 10m

1 stop

ICN5:10 pmIncheon Intl

Nov 25

ICN6:55 pmIncheon Intl

16h 36m

1 stop

PDX6:31 pmPortland

$1,320

Air Canada

Nov 18

PDX7:00 amPortland

17h 10m

1 stop

ICN5:10 pmIncheon Intl

Nov 30

ICN6:55 pmIncheon Intl

31h 31m

1 stop

PDX9:26 amPortland

$1,323

Air Canada

Nov 18

PDX7:00 amPortland

17h 10m

1 stop

ICN5:10 pmIncheon Intl

Nov 30

ICN8:00 pmIncheon Intl

30h 26m

2 stops

PDX9:26 amPortland

$1,336

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sat 12/5

7:00 am-9:20 pm

1 stop21h 20m

Incheon Intl

Sat 12/12

7:45 pm-8:17 pm

1 stop17h 32m

$870

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sat 12/5

7:00 am-9:20 pm

1 stop21h 20m

Incheon Intl

Fri 12/11

7:45 pm-9:27 am

1 stop30h 42m

$879

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Tue 1/19

6:01 pm-5:35 pm

2 stops30h 34m

Incheon Intl

Fri 2/5

8:00 pm-10:51 am

2 stops31h 51m

$973

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Wed 2/10

5:38 pm-5:35 pm

2 stops30h 57m

Incheon Intl

Fri 2/19

8:00 pm-8:48 pm

2 stops17h 48m

$986

Quickest round-trip

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Tue 1/12

10:00 am-5:10 pm

1 stop14h 10m

Incheon Intl

Thu 1/21

6:55 pm-2:41 pm

1 stop12h 46m

$1,185

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Mon 1/25

10:00 am-5:10 pm

1 stop14h 10m

Incheon Intl

Mon 2/8

6:55 pm-2:41 pm

1 stop12h 46m

$1,187

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Mon 3/22

11:10 am-5:45 pm

1 stop14h 35m

Incheon Intl

Sun 4/4

7:00 pm-8:50 pm

1 stop17h 50m

$1,358

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Mon 3/22

11:10 am-5:45 pm

1 stop14h 35m

Incheon Intl

Thu 4/1

7:00 pm-11:52 pm

1 stop20h 52m

$1,358

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Wed 4/14

5:35 am-3:00 pm

1 stop17h 25m

Incheon Intl

Thu 4/29

4:50 pm-6:31 pm

1 stop17h 41m

$1,358

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Sat 5/8

10:57 am-4:20 am

1 stop25h 23m

Incheon Intl

Sun 6/20

4:50 pm-10:57 pm

1 stop22h 07m

$1,470

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 $959.

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 $1,267 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	$405
Fastest flight time	17h 21m
Direct flights	None

The best one-way flight to South Korea from Portland in the past 72 hours is $405. The best round-trip flight deal from Portland to South Korea found on momondo in the last 72 hours is $870.

The fastest flight from Portland to South Korea takes 17h 21m

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 November 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 13,163 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $792	Free Cancellation	Rating 7.1 11,897 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $881	Free Cancellation	Rating 8.1 572 reviews	Search Asiana Airlines flights
United Airlines	PriceFrom $915	Free Cancellation	Rating 7.3 10,494 reviews	Search United Airlines flights
Delta	PriceFrom $936	Free Cancellation	Rating 7.8 8,716 reviews	Search Delta flights
Korean Air	PriceFrom $1,012	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 $606

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Flights to Daegufrom $902

Flights to Gwangjufrom $888

Flights to Muan

Flights to Jinjufrom $1,461

Flights to Yeosu

Cheap flights from Portland to South Korea from $405

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 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Air Canada flights from Portland to South Korea

Our best Air Canada 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