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

WestJet, United 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 August 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.

$378 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.

2:30 pm - 6:45 pmPDX Portland-ICN Incheon Intl

36h 15m1 stop Calgary

1:30 pm - 9:25 amICN Incheon Intl-PDX Portland

35h 55m2 stops Xiamen Gaoqi Intl Los Angeles

$779Multiple Airlines

Wed, Aug 26 - Tue, Sep 8

7:01 am - 9:20 pmPDX Portland-ICN Incheon Intl

21h 19m1 stop San Francisco

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

18h 05m1 stop San Francisco

$882Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

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

28h 20m1 stop Vancouver Intl

5:45 pm - 2:51 pmICN Incheon Intl-PDX Portland

13h 06m1 stop Vancouver Intl

$1,007Air Canada

Mon, Oct 5 - Mon, Oct 12

10:00 am - 4:10 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

$1,007Air Canada

Tue, Oct 27 - Tue, Nov 10

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

17h 50m1 stop Seattle/Tacoma Intl

6:45 pm - 9:56 pmICN Incheon Intl-PDX Portland

20h 11m1 stop Seattle/Tacoma Intl

$1,107Delta

Tue, Oct 13 - Mon, Dec 14

5:30 am - 4:50 pmPDX Portland-ICN Incheon Intl

19h 20m1 stop Seattle/Tacoma Intl

6:45 pm - 5:04 pmICN Incheon Intl-PDX Portland

14h 19m1 stop Seattle/Tacoma Intl

$1,107Delta

Wed, Oct 14 - Thu, Oct 29

5:36 am - 4:15 pmPDX Portland-ICN Incheon Intl

17h 39m1 stop San Francisco

12:45 pm - 6:31 pmICN Incheon Intl-PDX Portland

22h 46m1 stop San Francisco

$1,107United Airlines

Wed, Nov 18 - Thu, Dec 3

5:36 am - 4:15 pmPDX Portland-ICN Incheon Intl

17h 39m1 stop San Francisco

6:00 pm - 6:31 pmICN Incheon Intl-PDX Portland

17h 31m1 stop San Francisco

$1,107United Airlines

Wed, Nov 18 - Thu, Dec 3

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

18h 21m1 stop Seattle/Tacoma Intl

7:35 pm - 6:38 pmICN Incheon Intl-PDX Portland

39h 03m1 stop Seattle/Tacoma Intl

$1,113Alaska Airlines

Mon, Sep 21 - Wed, Sep 30

9:20 am - 5:30 pmPDX Portland-ICN Incheon Intl

16h 10m1 stop Seattle/Tacoma Intl

7:35 pm - 9:07 amICN Incheon Intl-PDX Portland

29h 32m2 stops Seattle/Tacoma Intl San Francisco

$1,163Alaska Airlines

Thu, Sep 10 - Sun, Sep 20

Cheap last minute flights

Enter your travel dates to find the best prices.

2:49 pm - 11:00 amPDX Portland-ICN Incheon Intl

28h 11m2 stops San Francisco Taipei City Taiwan Taoyuan Intl

12:00 pm - 11:59 pmICN Incheon Intl-PDX Portland

27h 59m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$1,191Multiple Airlines

Sun, Aug 16 - Sat, Aug 22

5:36 pm - 11:00 amPDX Portland-ICN Incheon Intl

25h 24m2 stops San Francisco Taipei City Taiwan Taoyuan Intl

12:00 pm - 10:51 pmICN Incheon Intl-PDX Portland

26h 51m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$1,241Multiple Airlines

Thu, Aug 13 - Thu, Aug 20

6:49 pm - 9:40 pmPDX Portland-ICN Incheon Intl

34h 51m2 stops Las Vegas Harry Reid Intl San Francisco

6:00 pm - 4:50 pmICN Incheon Intl-PDX Portland

14h 50m1 stop San Francisco

$1,370Multiple Airlines

Sun, Aug 16 - Sat, Aug 22

8:30 pm - 5:30 pmPDX Portland-ICN Incheon Intl

29h 00m1 stop Seattle/Tacoma Intl

6:00 pm - 8:51 pmICN Incheon Intl-PDX Portland

18h 51m1 stop San Francisco

$1,437Multiple Airlines

Sun, Aug 16 - Sat, Aug 22

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

13h 55m1 stop Vancouver Intl

1:00 pm - 2:51 pmICN Incheon Intl-PDX Portland

17h 51m2 stops Tokyo Narita Vancouver Intl

$1,469Multiple Airlines

Thu, Aug 13 - Thu, Aug 20

5:30 pm - 4:00 amPDX Portland-ICN Incheon Intl

18h 30m1 stop Seattle/Tacoma Intl

12:40 pm - 8:50 pmICN Incheon Intl-PDX Portland

24h 10m1 stop Los Angeles

$1,547Multiple Airlines

Thu, Aug 13 - Thu, Aug 20

5:37 pm - 10:20 pmPDX Portland-ICN Incheon Intl

36h 43m2 stops Los Angeles Singapore Changi

11:50 pm - 8:50 pmICN Incheon Intl-PDX Portland

37h 00m3 stops Singapore Changi Tokyo Narita Los Angeles

$3,839Singapore Airlines

Sun, Aug 16 - Sat, Aug 22

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

13h 55m1 stop Vancouver Intl

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

17h 26m1 stop Vancouver Intl

$5,446Air Canada

Wed, Aug 12 - Fri, Aug 14

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

13h 55m1 stop Vancouver Intl

5:45 pm - 10:45 pmICN Incheon Intl-PDX Portland

21h 00m2 stops Vancouver Intl San Francisco

$5,456Air Canada

Wed, Aug 12 - Fri, Aug 14

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

32h 35m1 stop Vancouver Intl

5:45 pm - 9:31 amICN Incheon Intl-PDX Portland

31h 46m1 stop Vancouver Intl

$5,483Air Canada

Wed, Aug 12 - Sun, Aug 16

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Singapore Airlines flights from Portland to South Korea

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

Singapore Airlines

Aug 21

PDX7:01 amPortland

32h 44m

2 stops

ICN7:45 amIncheon Intl

Sep 1

ICN11:50 pmIncheon Intl

37h 00m

3 stops

PDX8:50 pmPortland

$2,072

Singapore Airlines

Aug 21

PDX7:01 amPortland

32h 44m

2 stops

ICN7:45 amIncheon Intl

Aug 26

ICN11:50 pmIncheon Intl

37h 00m

3 stops

PDX8:50 pmPortland

$2,073

Singapore Airlines

Aug 21

PDX7:01 amPortland

32h 44m

2 stops

ICN7:45 amIncheon Intl

Sep 1

ICN11:50 pmIncheon Intl

37h 00m

3 stops

PDX8:50 pmPortland

$3,066

Air Canada flights from Portland to South Korea

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

Air Canada

Oct 5

PDX7:45 pmPortland

28h 20m

1 stop

ICN4:05 pmIncheon Intl

Oct 12

ICN5:45 pmIncheon Intl

13h 06m

1 stop

PDX2:51 pmPortland

$1,007

Air Canada

Aug 20

PDX7:45 pmPortland

28h 20m

1 stop

ICN4:05 pmIncheon Intl

Sep 19

ICN5:45 pmIncheon Intl

17h 26m

1 stop

PDX7:11 pmPortland

$1,113

Air Canada

Aug 20

PDX7:45 pmPortland

28h 20m

1 stop

ICN4:05 pmIncheon Intl

Sep 19

ICN7:45 pmIncheon Intl

39h 26m

2 stops

PDX7:11 pmPortland

$1,115

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Wed 8/26

2:30 pm-6:45 pm

1 stop36h 15m

Incheon Intl

Tue 9/8

1:30 pm-9:25 am

2 stops35h 55m

$779

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Wed 11/11

7:01 am-9:20 pm

1 stop21h 19m

Incheon Intl

Wed 11/18

7:45 pm-8:50 pm

1 stop18h 05m

$882

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Mon 10/5

7:45 pm-4:05 pm

1 stop28h 20m

Incheon Intl

Mon 10/12

5:45 pm-2:51 pm

1 stop13h 06m

$1,007

Quickest round-trip

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Tue 10/27

10:00 am-4:10 pm

1 stop14h 10m

Incheon Intl

Tue 11/10

6:55 pm-2:41 pm

1 stop12h 46m

$1,007

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Tue 10/13

7:00 am-4:50 pm

1 stop17h 50m

Incheon Intl

Mon 12/14

6:45 pm-9:56 pm

1 stop20h 11m

$1,107

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Wed 10/14

5:30 am-4:50 pm

1 stop19h 20m

Incheon Intl

Thu 10/29

6:45 pm-5:04 pm

1 stop14h 19m

$1,107

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Wed 11/18

5:36 am-4:15 pm

1 stop17h 39m

Incheon Intl

Thu 12/3

12:45 pm-6:31 pm

1 stop22h 46m

$1,107

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Wed 11/18

5:36 am-4:15 pm

1 stop17h 39m

Incheon Intl

Thu 12/3

6:00 pm-6:31 pm

1 stop17h 31m

$1,107

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Mon 9/21

7:09 am-5:30 pm

1 stop18h 21m

Incheon Intl

Wed 9/30

7:35 pm-6:38 pm

1 stop39h 03m

$1,113

PortlandIncheon

PDX Portland - ICN Incheon Intl

PDXICN

Portland

Thu 9/10

9:20 am-5:30 pm

1 stop16h 10m

Incheon Intl

Sun 9/20

7:35 pm-9:07 am

2 stops29h 32m

$1,163

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 $1,277 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 $935 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	17h 20m
Direct flights	None

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 August 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 $149	Free Cancellation	Rating 7.9 12,796 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $791	Free Cancellation	Rating 7.1 11,462 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $881	Free Cancellation	Rating 8.1 556 reviews	Search Asiana Airlines flights
United Airlines	PriceFrom $915	Free Cancellation	Rating 7.4 10,104 reviews	Search United Airlines flights
Delta	PriceFrom $916	Free Cancellation	Rating 7.8 8,505 reviews	Search Delta flights
Korean Air	PriceFrom $1,155	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

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Flights to Seoulfrom $616

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Flights to Jinjufrom $1,461

Flights to Ulsanfrom $1,567

Flights to Muan

Cheap flights from Portland to South Korea from $378

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 8/23. 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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Big names and deals

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Singapore Airlines flights from Portland to South Korea

Our best Singapore 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?

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

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