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

Alaska Airlines, Delta, 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 58% 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.

$401 Cheap Flights from Portland to South Korea in 2025/26

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:30 am - 6:35 pmPDX-ICN

15h 05m1 stop

8:35 pm - 4:43 pmICN-PDX

13h 08m1 stop

$799Alaska Airlines

Find Deal

Wed, Feb 25 - Thu, Mar 5

1:38 pm - 6:35 pmPDX-ICN

35h 57m1 stop

8:35 pm - 6:05 pmICN-PDX

14h 30m1 stop

$801Alaska Airlines

Find Deal

Sat, Jan 10 - Fri, Feb 20

9:10 am - 6:35 pmPDX-ICN

16h 25m1 stop

8:35 pm - 4:43 pmICN-PDX

13h 08m1 stop

$807Alaska Airlines

Find Deal

Sat, Jan 10 - Fri, Feb 20

9:50 am - 4:05 pmPDX-ICN

14h 15m1 stop

5:45 pm - 6:46 pmICN-PDX

17h 01m1 stop

$827Air Canada

Find Deal

Wed, Apr 29 - Wed, May 13

7:00 pm - 4:05 pmPDX-ICN

29h 05m1 stop

5:45 pm - 2:45 pmICN-PDX

13h 00m1 stop

$828Air Canada

Find Deal

Wed, Apr 8 - Wed, May 6

6:25 am - 4:50 pmPDX-PUS

41h 25m2 stops

12:35 pm - 4:25 pmPUS-PDX

44h 50m2 stops

$1,032China Eastern

Find Deal

Fri, Jan 23 - Wed, Feb 4

6:25 am - 11:35 amPDX-PUS

36h 10m2 stops

12:35 pm - 4:30 pmPUS-PDX

44h 55m2 stops

$1,118China Eastern

Find Deal

Fri, Jan 23 - Mon, Jan 26

7:10 am - 8:45 pmPDX-PUS

20h 35m2 stops

4:10 pm - 6:50 pmPUS-PDX

19h 40m2 stops

$1,286Delta

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Fri, Jan 23 - Mon, Jan 26

9:40 am - 8:45 pmPDX-PUS

19h 05m2 stops

10:40 am - 1:17 pmPUS-PDX

18h 37m2 stops

$1,324Korean Air

Find Deal

Wed, Apr 22 - Wed, May 6

5:15 pm - 7:35 pmPDX-PUS

33h 20m2 stops

10:25 am - 4:24 pmPUS-PDX

22h 59m2 stops

$1,748Delta

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Wed, Dec 24 - Wed, Dec 31

Alaska Airlines flights from Portland to South Korea

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

Alaska Airlines

Feb 25

PDX10:30 amPortland

15h 05m

1 stop

ICN6:35 pmIncheon Intl

Mar 5

ICN8:35 pmIncheon Intl

13h 08m

1 stop

PDX4:43 pmPortland

$799

Find similar

Alaska Airlines

Jan 10

PDX1:38 pmPortland

35h 57m

1 stop

ICN6:35 pmIncheon Intl

Feb 20

ICN8:35 pmIncheon Intl

14h 30m

1 stop

PDX6:05 pmPortland

$801

Find similar

Alaska Airlines

Jan 10

PDX9:10 amPortland

16h 25m

1 stop

ICN6:35 pmIncheon Intl

Feb 20

ICN8:35 pmIncheon Intl

13h 08m

1 stop

PDX4:43 pmPortland

$807

Find similar

Delta flights from Portland to South Korea

Our best Delta deals on Portland to South Korea flight tickets

Delta

Feb 3

PDX7:10 amPortland

16h 20m

1 stop

ICN4:30 pmIncheon Intl

Jun 8

ICN7:20 pmIncheon Intl

13h 13m

1 stop

PDX4:33 pmPortland

$916

Find similar

Delta

Feb 2

PDX7:37 pmPortland

27h 53m

1 stop

ICN4:30 pmIncheon Intl

Jun 12

ICN7:20 pmIncheon Intl

17h 29m

1 stop

PDX8:49 pmPortland

$921

Find similar

Delta

Dec 3

PDX12:32 amPortland

21h 58m

1 stop

ICN3:30 pmIncheon Intl

Dec 10

ICN8:05 pmIncheon Intl

15h 45m

1 stop

PDX6:50 pmPortland

$1,181

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 2/25

10:30 am-6:35 pm

1 stop15h 05m

Incheon Intl

Thu 3/5

8:35 pm-4:43 pm

1 stop13h 08m

$799

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 1/10

1:38 pm-6:35 pm

1 stop35h 57m

Incheon Intl

Fri 2/20

8:35 pm-6:05 pm

1 stop14h 30m

$801

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 1/10

9:10 am-6:35 pm

1 stop16h 25m

Incheon Intl

Fri 2/20

8:35 pm-4:43 pm

1 stop13h 08m

$807

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 4/29

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Wed 5/13

5:45 pm-6:46 pm

1 stop17h 01m

$827

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 4/8

7:00 pm-4:05 pm

1 stop29h 05m

Incheon Intl

Wed 5/6

5:45 pm-2:45 pm

1 stop13h 00m

$828

PortlandBusan

PDX - PUS

PDXPUS

Portland

Fri 1/23

6:25 am-4:50 pm

2 stops41h 25m

Busan Gimhae

Wed 2/4

12:35 pm-4:25 pm

2 stops44h 50m

$1,032

PortlandBusan

PDX - PUS

PDXPUS

Portland

Fri 1/23

6:25 am-11:35 am

2 stops36h 10m

Busan Gimhae

Mon 1/26

12:35 pm-4:30 pm

2 stops44h 55m

$1,118

PortlandBusan

PDX - PUS

PDXPUS

Portland

Fri 1/23

7:10 am-8:45 pm

2 stops20h 35m

Busan Gimhae

Mon 1/26

4:10 pm-6:50 pm

2 stops19h 40m

$1,286

PortlandBusan

PDX - PUS

PDXPUS

Portland

Wed 4/22

9:40 am-8:45 pm

2 stops19h 05m

Busan Gimhae

Wed 5/6

10:40 am-1:17 pm

2 stops18h 37m

$1,324

PortlandBusan

PDX - PUS

PDXPUS

Portland

Wed 12/24

5:15 pm-7:35 pm

2 stops33h 20m

Busan Gimhae

Wed 12/31

10:25 am-4:24 pm

2 stops22h 59m

$1,748

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 $1,160 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

Fastest flight time	13h 50m
Direct flights	None

The fastest flight from Portland to South Korea takes 13h 50m

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 2,814 reviews	Search Hawaiian Airlines flights
Air Canada	PriceFrom $809	Free Cancellation	Rating 7.1 10,476 reviews	Search Air Canada flights
China Eastern	PriceFrom $822	Free Cancellation	Rating 7.2 178 reviews	Search China Eastern flights
Alaska Airlines	PriceFrom $847	Free Cancellation	Rating 8.0 11,354 reviews	Search Alaska Airlines flights
Delta	PriceFrom $849	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
United Airlines	PriceFrom $907	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights
Asiana Airlines	PriceFrom $912	Free Cancellation	Rating 8.2 490 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $1,082	Free Cancellation	Rating 8.4 1,170 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

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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 $401

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 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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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

Delta flights from Portland to South Korea

Our best Delta 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, Delta, 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