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

Alaska Airlines, American Airlines, and Air Canada are the most popular carriers operating from Portland to South Korea

What airlines fly to South Korea?

Air Canada, Korean Air and Delta 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 53% 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 October 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.

$393 Cheap Flights from Portland to South Korea in 2025/26

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Cheap round-trip flights

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1:21 pm - 5:10 amPDX-ICN

23h 49m1 stop

1:05 pm - 1:20 pmICN-PDX

41h 15m2 stops

$788Multiple Airlines

Find Deal

Fri, Oct 31 - Wed, Dec 3

1:21 pm - 5:10 amPDX-ICN

22h 49m1 stop

6:55 pm - 9:49 amICN-PDX

31h 54m1 stop

$795Multiple Airlines

Find Deal

Fri, Nov 14 - Mon, Nov 17

1:21 pm - 5:10 amPDX-ICN

22h 49m1 stop

9:20 pm - 8:37 pmICN-PDX

16h 17m2 stops

$811Multiple Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

9:30 pm - 6:35 pmPDX-ICN

28h 05m1 stop

8:35 pm - 10:46 pmICN-PDX

19h 11m1 stop

$822Hawaiian Airlines

Find Deal

Tue, Jan 20 - Thu, Feb 5

7:00 am - 6:35 pmPDX-ICN

18h 35m1 stop

8:35 pm - 7:08 pmICN-PDX

14h 33m1 stop

$851Alaska Airlines

Find Deal

Sun, Mar 1 - Sun, Mar 8

10:40 am - 6:35 pmPDX-ICN

14h 55m1 stop

8:35 pm - 5:59 pmICN-PDX

14h 24m1 stop

$857Alaska Airlines

Find Deal

Sun, Feb 22 - Sat, Feb 28

7:00 pm - 5:10 pmPDX-ICN

29h 10m1 stop

6:55 pm - 6:30 pmICN-PDX

16h 35m1 stop

$869Air Canada

Find Deal

Tue, Nov 11 - Tue, Jan 13

9:50 am - 5:10 pmPDX-ICN

14h 20m1 stop

6:55 pm - 2:40 pmICN-PDX

12h 45m1 stop

$880Air Canada

Find Deal

Mon, Nov 10 - Thu, Nov 20

7:15 am - 4:30 pmPDX-ICN

16h 15m1 stop

8:05 pm - 10:40 pmICN-PDX

19h 35m1 stop

$912Delta

Find Deal

Sun, Nov 9 - Sat, Nov 22

5:25 pm - 4:30 pmPDX-ICN

30h 05m1 stop

8:05 pm - 7:08 pmICN-PDX

16h 03m1 stop

$918Delta

Find Deal

Sat, Nov 8 - Sun, Jan 18

Alaska Airlines flights from Portland to South Korea

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

Alaska Airlines

Mar 1

PDX7:00 amPortland

18h 35m

1 stop

ICN6:35 pmIncheon Intl

Mar 8

ICN8:35 pmIncheon Intl

14h 33m

1 stop

PDX7:08 pmPortland

$851

Find similar

Alaska Airlines

Feb 22

PDX10:40 amPortland

14h 55m

1 stop

ICN6:35 pmIncheon Intl

Feb 28

ICN8:35 pmIncheon Intl

14h 24m

1 stop

PDX5:59 pmPortland

$857

Find similar

Alaska Airlines

Apr 1

PDX7:40 amPortland

18h 55m

1 stop

ICN6:35 pmIncheon Intl

Apr 22

ICN8:35 pmIncheon Intl

17h 46m

1 stop

PDX10:21 pmPortland

$877

Find similar

Air Canada flights from Portland to South Korea

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

Air Canada

Nov 11

PDX7:00 pmPortland

29h 10m

1 stop

ICN5:10 pmIncheon Intl

Jan 13

ICN6:55 pmIncheon Intl

16h 35m

1 stop

PDX6:30 pmPortland

$869

Find similar

Air Canada

Nov 10

PDX9:50 amPortland

14h 20m

1 stop

ICN5:10 pmIncheon Intl

Nov 20

ICN6:55 pmIncheon Intl

12h 45m

1 stop

PDX2:40 pmPortland

$880

Find similar

Air Canada

Oct 25

PDX7:40 pmPortland

28h 30m

1 stop

ICN4:10 pmIncheon Intl

Nov 10

ICN6:55 pmIncheon Intl

12h 45m

1 stop

PDX2:40 pmPortland

$907

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 10/31

1:21 pm-5:10 am

1 stop23h 49m

Incheon Intl

Wed 12/3

1:05 pm-1:20 pm

2 stops41h 15m

$788

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 11/14

1:21 pm-5:10 am

1 stop22h 49m

Incheon Intl

Mon 11/17

6:55 pm-9:49 am

1 stop31h 54m

$795

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 11/14

1:21 pm-5:10 am

1 stop22h 49m

Incheon Intl

Tue 11/18

9:20 pm-8:37 pm

2 stops16h 17m

$811

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 1/20

9:30 pm-6:35 pm

1 stop28h 05m

Incheon Intl

Thu 2/5

8:35 pm-10:46 pm

1 stop19h 11m

$822

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 3/1

7:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

Sun 3/8

8:35 pm-7:08 pm

1 stop14h 33m

$851

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 2/22

10:40 am-6:35 pm

1 stop14h 55m

Incheon Intl

Sat 2/28

8:35 pm-5:59 pm

1 stop14h 24m

$857

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 11/11

7:00 pm-5:10 pm

1 stop29h 10m

Incheon Intl

Tue 1/13

6:55 pm-6:30 pm

1 stop16h 35m

$869

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 11/10

9:50 am-5:10 pm

1 stop14h 20m

Incheon Intl

Thu 11/20

6:55 pm-2:40 pm

1 stop12h 45m

$880

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 11/9

7:15 am-4:30 pm

1 stop16h 15m

Incheon Intl

Sat 11/22

8:05 pm-10:40 pm

1 stop19h 35m

$912

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 11/8

5:25 pm-4:30 pm

1 stop30h 05m

Incheon Intl

Sun 1/18

8:05 pm-7:08 pm

1 stop16h 03m

$918

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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 March is also cheap. Prices for this month can be found on momondo for an average of $961.

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 $1,147 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 $989 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

Direct flights	None

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 October 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 2,779 reviews	Search Hawaiian Airlines flights
Air Canada	PriceFrom $809	Free Cancellation	Rating 7.1 10,291 reviews	Search Air Canada flights
China Eastern	PriceFrom $822	Free Cancellation	Rating 7.2 168 reviews	Search China Eastern flights
Alaska Airlines	PriceFrom $847	Free Cancellation	Rating 8.0 11,074 reviews	Search Alaska Airlines flights
Delta	PriceFrom $849	Free Cancellation	Rating 7.9 7,972 reviews	Search Delta flights
United Airlines	PriceFrom $907	Free Cancellation	Rating 7.4 8,975 reviews	Search United Airlines flights
Asiana Airlines	PriceFrom $912	Free Cancellation	Rating 8.2 486 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $1,084	Free Cancellation	Rating 8.4 1,149 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 $604

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Flights to Gwangjufrom $3,550

Flights to Ulsanfrom $1,354

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Cheap flights from Portland to South Korea from $393

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 11/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Find the cheapest flights from Portland to South Korea

Cheap round-trip flights

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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

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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

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 March is also cheap. Prices for this month can be found on momondo for an average of $961.

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, American Airlines, and Air Canada 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

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