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

United Airlines, Japan Airlines, and EVA Air 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.

$368 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:38 pm - 6:35 pm

PDX

ICN

29h 57m1 stop

8:35 pm - 4:34 pm

ICN

PDX

12h 59m1 stop

$714Multiple Airlines

Sat, Jan 31 - Sat, Feb 7

10:30 am - 6:35 pm

PDX

ICN

15h 05m1 stop

8:35 pm - 6:05 pm

ICN

PDX

13h 30m1 stop

$715Multiple Airlines

Sat, Feb 28 - Sun, Mar 8

10:30 am - 6:35 pm

PDX

ICN

15h 05m1 stop

8:35 pm - 10:41 pm

ICN

PDX

18h 06m1 stop

$716Multiple Airlines

Sun, Mar 1 - Mon, Mar 9

9:45 pm - 6:35 pm

PDX

ICN

28h 50m1 stop

8:35 pm - 8:43 pm

ICN

PDX

16h 08m1 stop

$720Multiple Airlines

Sat, Mar 28 - Thu, Apr 2

9:50 am - 4:05 pm

PDX

ICN

14h 15m1 stop

5:45 pm - 2:45 pm

ICN

PDX

13h 00m1 stop

$795Air Canada

Mon, Mar 30 - Mon, Jun 1

6:30 am - 11:35 am

PDX

PUS

36h 05m2 stops

12:35 pm - 4:25 pm

PUS

PDX

44h 50m2 stops

$1,032China Eastern

Wed, Jan 7 - Wed, Jan 21

5:25 pm - 12:35 pm

PDX

PUS

26h 10m2 stops

12:15 pm - 12:38 pm

PUS

PDX

17h 23m2 stops

$1,162Korean Air

Thu, Jan 15 - Wed, Jan 21

7:10 am - 8:45 pm

PDX

PUS

20h 35m2 stops

12:00 pm - 12:38 pm

PUS

PDX

17h 38m2 stops

$1,169Korean Air

Wed, Jan 14 - Tue, Jan 20

7:10 am - 3:10 pm

PDX

PUS

39h 00m2 stops

10:25 am - 6:50 pm

PUS

PDX

25h 25m2 stops

$1,284Delta

Fri, Jan 9 - Sun, Jan 18

5:25 pm - 8:10 am

PDX

PUS

45h 45m2 stops

10:25 am - 4:30 pm

PUS

PDX

23h 05m2 stops

$1,289Delta

Sun, Jan 4 - Wed, Jan 21

Air Canada flights from Portland to South Korea

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

Air Canada

Mar 30

PDX9:50 amPortland

14h 15m

1 stop

ICN4:05 pmIncheon Intl

Jun 1

ICN5:45 pmIncheon Intl

13h 00m

1 stop

PDX2:45 pmPortland

$795

Find similar

Air Canada

Apr 30

PDX9:50 amPortland

14h 15m

1 stop

ICN4:05 pmIncheon Intl

May 28

ICN5:45 pmIncheon Intl

13h 00m

1 stop

PDX2:45 pmPortland

$846

Find similar

Air Canada

Jan 12

PDX9:50 amPortland

14h 20m

1 stop

ICN5:10 pmIncheon Intl

Jan 19

ICN6:55 pmIncheon Intl

16h 35m

1 stop

PDX6:30 pmPortland

$857

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 23

PDX7:57 pmPortland

16h 43m

1 stop

ICN5:40 amIncheon Intl

Mar 9

ICN5:00 pmIncheon Intl

13h 59m

1 stop

PDX2:59 pmPortland

$816

Find similar

United Airlines

Jan 13

PDX8:30 amPortland

28h 10m

2 stops

ICN5:40 amIncheon Intl

Jan 20

ICN12:45 pmIncheon Intl

22h 25m

2 stops

PDX6:10 pmPortland

$820

Find similar

United Airlines

Jan 1

PDX7:00 amPortland

29h 40m

2 stops

ICN5:40 amIncheon Intl

Jan 8

ICN6:00 pmIncheon Intl

32h 45m

2 stops

PDX9:45 amPortland

$1,184

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 1/31

7:38 pm-6:35 pm

1 stop29h 57m

Incheon Intl

Sat 2/7

8:35 pm-4:34 pm

1 stop12h 59m

$714

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 2/28

10:30 am-6:35 pm

1 stop15h 05m

Incheon Intl

Sun 3/8

8:35 pm-6:05 pm

1 stop13h 30m

$715

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 3/1

10:30 am-6:35 pm

1 stop15h 05m

Incheon Intl

Mon 3/9

8:35 pm-10:41 pm

1 stop18h 06m

$716

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 3/28

9:45 pm-6:35 pm

1 stop28h 50m

Incheon Intl

Thu 4/2

8:35 pm-8:43 pm

1 stop16h 08m

$720

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 3/30

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Mon 6/1

5:45 pm-2:45 pm

1 stop13h 00m

$795

PortlandBusan

PDX - PUS

PDXPUS

Portland

Wed 1/7

6:30 am-11:35 am

2 stops36h 05m

Busan Gimhae

Wed 1/21

12:35 pm-4:25 pm

2 stops44h 50m

$1,032

PortlandBusan

PDX - PUS

PDXPUS

Portland

Thu 1/15

5:25 pm-12:35 pm

2 stops26h 10m

Busan Gimhae

Wed 1/21

12:15 pm-12:38 pm

2 stops17h 23m

$1,162

PortlandBusan

PDX - PUS

PDXPUS

Portland

Wed 1/14

7:10 am-8:45 pm

2 stops20h 35m

Busan Gimhae

Tue 1/20

12:00 pm-12:38 pm

2 stops17h 38m

$1,169

PortlandBusan

PDX - PUS

PDXPUS

Portland

Fri 1/9

7:10 am-3:10 pm

2 stops39h 00m

Busan Gimhae

Sun 1/18

10:25 am-6:50 pm

2 stops25h 25m

$1,284

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sun 1/4

5:25 pm-8:10 am

2 stops45h 45m

Busan Gimhae

Wed 1/21

10:25 am-4:30 pm

2 stops23h 05m

$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 March is also cheap. Prices for this month can be found on momondo for an average of $932.

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 $1,166 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 $982 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	14h 15m
Direct flights	None

The fastest flight from Portland to South Korea takes 14h 15m

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 2,820 reviews	Search Hawaiian Airlines flights
Air Canada	PriceFrom $806	Free Cancellation	Rating 7.1 10,534 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 11,477 reviews	Search Alaska Airlines flights
Delta	PriceFrom $849	Free Cancellation	Rating 7.9 8,005 reviews	Search Delta flights
United Airlines	PriceFrom $907	Free Cancellation	Rating 7.4 9,091 reviews	Search United Airlines flights
Asiana Airlines	PriceFrom $912	Free Cancellation	Rating 8.2 493 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $1,082	Free Cancellation	Rating 8.4 1,186 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 $588

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Cheap flights from Portland to South Korea from $368

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 2/18. 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

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Price Alerts

Find the cheapest flights from Portland to South Korea

Cheap round-trip flights

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Air Canada flights from Portland to South Korea

Our best Air Canada 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 March is also cheap. Prices for this month can be found on momondo for an average of $932.

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?

United Airlines, Japan Airlines, and EVA Air 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