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

Alaska Airlines, Air Canada, and American Airlines 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 55% 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 November 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.

$418 Cheap Flights from Portland to South Korea in 2025/26

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One-way

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Cheap round-trip flights

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7:00 pm - 4:00 pmPDX-ICN

28h 00m1 stop

5:55 pm - 6:30 pmICN-PDX

17h 35m1 stop

$799Air Canada

Find Deal

Mon, Dec 1 - Wed, Dec 10

10:33 am - 8:30 pmPDX-ICN

16h 57m1 stop

9:20 pm - 10:46 pmICN-PDX

18h 26m2 stops

$806Multiple Airlines

Find Deal

Wed, Jan 14 - Thu, Jan 22

9:50 am - 10:25 pmPDX-ICN

19h 35m2 stops

5:55 pm - 2:40 pmICN-PDX

13h 45m1 stop

$812Multiple Airlines

Find Deal

Tue, Dec 2 - Fri, Dec 12

7:05 am - 6:35 pmPDX-ICN

19h 30m1 stop

8:35 pm - 6:48 pmICN-PDX

14h 13m1 stop

$815Alaska Airlines

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Sat, Mar 14 - Sun, Mar 22

9:10 am - 6:35 pmPDX-ICN

16h 25m1 stop

8:35 pm - 12:09 amICN-PDX

20h 34m1 stop

$816Alaska Airlines

Find Deal

Wed, Jan 14 - Thu, Jan 22

7:20 am - 10:05 pmPDX-GMP

21h 45m2 stops

12:05 pm - 4:50 pmGMP-PDX

21h 45m2 stops

$928Japan Airlines

Find Deal

Tue, Jan 20 - Thu, Feb 5

7:20 am - 10:05 pmPDX-GMP

21h 45m2 stops

8:00 am - 4:50 pmGMP-PDX

25h 50m2 stops

$931Japan Airlines

Find Deal

Sun, Jan 18 - Fri, Jan 23

6:25 am - 4:50 pmPDX-PUS

41h 25m2 stops

5:50 pm - 4:30 pmPUS-PDX

39h 40m2 stops

$1,032China Eastern

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Mon, Jan 5 - Fri, Jan 16

6:30 am - 11:35 amPDX-PUS

37h 05m2 stops

12:35 pm - 4:10 pmPUS-PDX

43h 35m2 stops

$1,118China Eastern

Find Deal

Sat, Apr 18 - Wed, Apr 22

7:10 am - 8:45 pmPDX-PUS

21h 35m2 stops

4:30 pm - 4:33 pmPUS-PDX

16h 03m2 stops

$1,311Delta

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Sat, Apr 18 - Wed, Apr 22

American Airlines flights from Portland to South Korea

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

American Airlines

Nov 30

PDX12:59 amPortland

22h 46m

1 stop

ICN4:45 pmIncheon Intl

Dec 10

ICN7:15 pmIncheon Intl

21h 08m

1 stop

PDX11:23 pmPortland

$916

Find similar

American Airlines

Dec 1

PDX12:59 amPortland

22h 46m

1 stop

ICN4:45 pmIncheon Intl

Dec 12

ICN7:15 pmIncheon Intl

19h 09m

1 stop

PDX9:24 pmPortland

$939

Find similar

American Airlines

Feb 10

PDX5:51 pmPortland

29h 54m

2 stops

ICN4:45 pmIncheon Intl

Feb 20

ICN6:50 pmIncheon Intl

22h 26m

2 stops

PDX12:16 amPortland

$943

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 18

PDX7:00 pmPortland

29h 10m

1 stop

ICN5:10 pmIncheon Intl

Dec 1

ICN6:55 pmIncheon Intl

16h 35m

1 stop

PDX6:30 pmPortland

$752

Find similar

Air Canada

Dec 1

PDX3:15 pmPortland

31h 45m

1 stop

ICN4:00 pmIncheon Intl

Dec 10

ICN5:55 pmIncheon Intl

17h 35m

1 stop

PDX6:30 pmPortland

$799

Find similar

Air Canada

Nov 18

PDX7:00 pmPortland

29h 10m

1 stop

ICN5:10 pmIncheon Intl

Dec 1

ICN6:55 pmIncheon Intl

16h 35m

1 stop

PDX6:30 pmPortland

$813

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 12/1

7:00 pm-4:00 pm

1 stop28h 00m

Incheon Intl

Wed 12/10

5:55 pm-6:30 pm

1 stop17h 35m

$799

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 1/14

10:33 am-8:30 pm

1 stop16h 57m

Incheon Intl

Thu 1/22

9:20 pm-10:46 pm

2 stops18h 26m

$806

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 12/2

9:50 am-10:25 pm

2 stops19h 35m

Incheon Intl

Fri 12/12

5:55 pm-2:40 pm

1 stop13h 45m

$812

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 3/14

7:05 am-6:35 pm

1 stop19h 30m

Incheon Intl

Sun 3/22

8:35 pm-6:48 pm

1 stop14h 13m

$815

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 1/14

9:10 am-6:35 pm

1 stop16h 25m

Incheon Intl

Thu 1/22

8:35 pm-12:09 am

1 stop20h 34m

$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

$928

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sun 1/18

7:20 am-10:05 pm

2 stops21h 45m

Seoul Gimpo Intl

Fri 1/23

8:00 am-4:50 pm

2 stops25h 50m

$931

PortlandBusan

PDX - PUS

PDXPUS

Portland

Mon 1/5

6:25 am-4:50 pm

2 stops41h 25m

Busan Gimhae

Fri 1/16

5:50 pm-4:30 pm

2 stops39h 40m

$1,032

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sat 4/18

6:30 am-11:35 am

2 stops37h 05m

Busan Gimhae

Wed 4/22

12:35 pm-4:10 pm

2 stops43h 35m

$1,118

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sat 4/18

7:10 am-8:45 pm

2 stops21h 35m

Busan Gimhae

Wed 4/22

4:30 pm-4:33 pm

2 stops16h 03m

$1,311

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 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 $1,176 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 $994 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 November 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 2,809 reviews	Search Hawaiian Airlines flights
Air Canada	PriceFrom $809	Free Cancellation	Rating 7.1 10,457 reviews	Search Air Canada flights
China Eastern	PriceFrom $822	Free Cancellation	Rating 7.2 177 reviews	Search China Eastern flights
Alaska Airlines	PriceFrom $847	Free Cancellation	Rating 8.0 11,311 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 9,015 reviews	Search United Airlines flights
Asiana Airlines	PriceFrom $912	Free Cancellation	Rating 8.2 487 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $1,082	Free Cancellation	Rating 8.4 1,166 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 $573

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Flights to Daegufrom $977

Flights to Gwangjufrom $1,143

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Flights to Ulsanfrom $2,240

Flights to Jinjufrom $1,501

Flights to Muan

Cheap flights from Portland to South Korea from $418

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 3/15. 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

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American Airlines flights from Portland to South Korea

Our best American 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 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, Air Canada, and American 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

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