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

Alaska Airlines and Japan Airlines are the most popular carriers operating from Portland to South Korea

What airlines fly to South Korea?

Air Canada, Delta and Korean Air 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 57% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 8 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 8 as of December 2025.

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.

$417 Cheap Flights from Portland to South Korea in 2025/26

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Find the cheapest flights from Portland to South Korea

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:15 pm - 5:10 pm

PDX

ICN

32h 55m1 stop

6:55 pm - 6:30 pm

ICN

PDX

16h 35m1 stop

$739Air Canada

Sat, Jan 24 - Sat, Jan 31

1:38 pm - 6:35 pm

PDX

ICN

35h 57m1 stop

9:20 pm - 9:29 am

ICN

PDX

29h 09m2 stops

$802Multiple Airlines

Sat, Jan 24 - Sat, Jan 31

10:30 am - 6:35 pm

PDX

ICN

15h 05m1 stop

8:35 pm - 5:59 pm

ICN

PDX

14h 24m1 stop

$808Multiple Airlines

Thu, Jan 8 - Thu, Jan 22

7:10 am - 6:35 pm

PDX

ICN

18h 25m1 stop

8:35 pm - 9:23 am

ICN

PDX

29h 48m1 stop

$812Multiple Airlines

Sun, Jan 11 - Fri, Jan 16

7:00 pm - 4:05 pm

PDX

ICN

29h 05m1 stop

5:45 pm - 7:05 pm

ICN

PDX

17h 20m1 stop

$814Air Canada

Wed, Apr 15 - Wed, May 13

10:30 am - 6:35 pm

PDX

ICN

15h 05m1 stop

8:35 pm - 4:34 pm

ICN

PDX

12h 59m1 stop

$815Multiple Airlines

Wed, Jan 7 - Thu, Jan 15

5:30 am - 4:30 pm

PDX

ICN

18h 00m1 stop

8:05 pm - 8:58 pm

ICN

PDX

16h 53m1 stop

$816Delta

Sun, Feb 22 - Wed, Mar 11

7:20 am - 10:05 pm

PDX

GMP

21h 45m2 stops

12:05 pm - 4:50 pm

GMP

PDX

21h 45m2 stops

$961Japan Airlines

Tue, Jan 20 - Thu, Feb 5

6:01 am - 10:05 pm

PDX

GMP

23h 04m2 stops

12:05 pm - 4:50 pm

GMP

PDX

21h 45m2 stops

$970Japan Airlines

Fri, Jan 16 - Fri, Jan 23

6:00 am - 7:35 pm

PDX

PUS

20h 35m2 stops

12:00 pm - 8:48 pm

PUS

PDX

25h 48m2 stops

$1,289Korean Air

Sun, Feb 15 - Wed, Feb 18

Delta flights from Portland to South Korea

Our best Delta deals on Portland to South Korea flight tickets

Delta

Feb 22

PDX5:30 amPortland

18h 00m

1 stop

ICN4:30 pmIncheon Intl

Mar 4

ICN8:05 pmIncheon Intl

21h 10m

1 stop

PDX12:15 amPortland

$816

Find similar

Delta

Jan 6

PDX5:15 pmPortland

30h 15m

1 stop

ICN4:30 pmIncheon Intl

Jan 14

ICN8:05 pmIncheon Intl

21h 12m

1 stop

PDX12:17 amPortland

$921

Find similar

Delta

Dec 22

PDX7:10 pmPortland

29h 25m

2 stops

ICN5:35 pmIncheon Intl

Dec 28

ICN8:05 pmIncheon Intl

20h 50m

1 stop

PDX11:55 pmPortland

$1,478

Find similar

United Airlines flights from Portland to South Korea

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

United Airlines

Feb 28

PDX7:30 amPortland

15h 45m

1 stop

ICN4:15 pmIncheon Intl

Mar 4

ICN12:45 pmIncheon Intl

22h 06m

2 stops

PDX5:51 pmPortland

$920

Find similar

United Airlines

Jan 6

PDX3:46 pmPortland

31h 29m

1 stop

ICN4:15 pmIncheon Intl

Jan 10

ICN12:45 pmIncheon Intl

23h 10m

1 stop

PDX6:55 pmPortland

$922

Find similar

United Airlines

Dec 15

PDX4:02 pmPortland

31h 13m

2 stops

ICN4:15 pmIncheon Intl

Dec 19

ICN6:00 pmIncheon Intl

21h 46m

1 stop

PDX10:46 pmPortland

$1,229

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 1/24

3:15 pm-5:10 pm

1 stop32h 55m

Incheon Intl

Sat 1/31

6:55 pm-6:30 pm

1 stop16h 35m

$739

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 1/24

1:38 pm-6:35 pm

1 stop35h 57m

Incheon Intl

Sat 1/31

9:20 pm-9:29 am

2 stops29h 09m

$802

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 1/8

10:30 am-6:35 pm

1 stop15h 05m

Incheon Intl

Thu 1/22

8:35 pm-5:59 pm

1 stop14h 24m

$808

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 1/11

7:10 am-6:35 pm

1 stop18h 25m

Incheon Intl

Fri 1/16

8:35 pm-9:23 am

1 stop29h 48m

$812

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 4/15

7:00 pm-4:05 pm

1 stop29h 05m

Incheon Intl

Wed 5/13

5:45 pm-7:05 pm

1 stop17h 20m

$814

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 1/7

10:30 am-6:35 pm

1 stop15h 05m

Incheon Intl

Thu 1/15

8:35 pm-4:34 pm

1 stop12h 59m

$815

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 2/22

5:30 am-4:30 pm

1 stop18h 00m

Incheon Intl

Wed 3/11

8:05 pm-8:58 pm

1 stop16h 53m

$816

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 1/20

7:20 am-10:05 pm

2 stops21h 45m

Seoul Gimpo Intl

Thu 2/5

12:05 pm-4:50 pm

2 stops21h 45m

$961

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Fri 1/16

6:01 am-10:05 pm

2 stops23h 04m

Seoul Gimpo Intl

Fri 1/23

12:05 pm-4:50 pm

2 stops21h 45m

$970

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sun 2/15

6:00 am-7:35 pm

2 stops20h 35m

Busan Gimhae

Wed 2/18

12:00 pm-8:48 pm

2 stops25h 48m

$1,289

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 January is also cheap. Prices for this month can be found on momondo for an average of $906.

What is the cheapest day to depart on your flight to South Korea?

On average, the least expensive day to fly to South Korea from Portland is on a Thursday. momondo users have found tickets for Thursday departures for as low as $1,190. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Portland to South Korea for around $1,498.

What is the cheapest time of day to depart on your flight to South Korea?

Flying to South Korea from Portland in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,179 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,565 on average. Flights to South Korea from Portland in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight 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 $1,171 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 $998 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

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 8 as of December 2025.
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
Hawaiian Airlines	PriceFrom $767	Free Cancellation	Rating 7.8 2,817 reviews	Search Hawaiian Airlines flights
Air Canada	PriceFrom $805	Free Cancellation	Rating 7.1 10,517 reviews	Search Air Canada flights
China Eastern	PriceFrom $822	Free Cancellation	Rating 7.2 178 reviews	Search China Eastern flights
Alaska Airlines	PriceFrom $840	Free Cancellation	Rating 8.0 11,432 reviews	Search Alaska Airlines flights
Delta	PriceFrom $849	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
United Airlines	PriceFrom $907	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
Asiana Airlines	PriceFrom $912	Free Cancellation	Rating 8.2 492 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $1,082	Free Cancellation	Rating 8.4 1,184 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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Find better results for your trip to South Korea

Popular cities in South Korea

Flights to Seoulfrom $540

Flights to Jeju Cityfrom $782

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Flights to Daegufrom $979

Flights to Gwangjufrom $780

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Flights to Ulsanfrom $1,627

Flights to Jinjufrom $1,747

Flights to Muan

Cheap flights from Portland to South Korea from $417

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 3/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Find the cheapest flights from Portland to South Korea

Cheap round-trip flights

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Delta flights from Portland to South Korea

Our best Delta deals on Portland to South Korea flight tickets

United Airlines flights from Portland to South Korea

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

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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?

If you aren’t able to travel to South Korea during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $906.

What is the cheapest day to depart on your flight to South Korea?

What is the cheapest time of day to depart on your flight to South Korea?

How far in advance should I book a flight to South Korea?

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

Alaska Airlines and Japan Airlines are the most popular carriers operating from Portland to South Korea

What airlines fly to South Korea?

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

Direct flights

When did momondo last update prices for flights from Portland Airport to South Korea?

How many operators does momondo search for flights from Portland Airport to South Korea?

How old do you have to be to fly from Portland Airport to South Korea?

What documentation or ID do you need to fly 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?

Why should I use momondo to find a flight deal from Portland to South Korea?

Can I find flights from Portland to South Korea with flexible booking policies on momondo?

How can momondo help me find flights from Portland to South Korea?

I’m not ready to book a flight from Portland to South Korea right now. Can momondo alert me if prices change?

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