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Cheap flights from Portland to South Korea from $375

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 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to South Korea

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:37 am - 9:40 pm
PDX
-
ICN
19h 03m
1 stop
Multiple Airlines Logo
7:15 pm - 8:50 pm
ICN
-
PDX
17h 35m
1 stop
$901Multiple Airlines
Wed, Sep 2 - Wed, Sep 30
Multiple Airlines Logo
10:45 am - 9:40 pm
PDX
-
ICN
18h 55m
1 stop
Multiple Airlines Logo
6:55 pm - 4:34 pm
ICN
-
PDX
14h 39m
1 stop
$910Multiple Airlines
Wed, Oct 14 - Wed, Nov 18
Multiple Airlines Logo
10:42 am - 9:40 pm
PDX
-
ICN
18h 58m
1 stop
Multiple Airlines Logo
7:15 pm - 9:29 am
ICN
-
PDX
30h 14m
1 stop
$917Multiple Airlines
Wed, Jul 29 - Mon, Oct 5
Multiple Airlines Logo
10:37 am - 9:40 pm
PDX
-
ICN
19h 03m
1 stop
Multiple Airlines Logo
7:15 pm - 8:50 pm
ICN
-
PDX
17h 35m
1 stop
$919Multiple Airlines
Wed, Sep 2 - Wed, Sep 16
Multiple Airlines Logo
10:42 am - 9:40 pm
PDX
-
ICN
18h 58m
1 stop
Multiple Airlines Logo
7:15 pm - 8:50 pm
ICN
-
PDX
17h 35m
1 stop
$921Multiple Airlines
Wed, Jul 29 - Wed, Oct 7
Japan Airlines Logo
7:03 am - 10:40 am
PDX
-
GMP
35h 37m
2 stops
Japan Airlines Logo
8:00 am - 1:37 pm
GMP
-
PDX
21h 37m
2 stops
$1,393Japan Airlines
Tue, Sep 15 - Thu, Sep 24
Japan Airlines Logo
7:19 am - 9:15 pm
PDX
-
GMP
21h 56m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,396Japan Airlines
Mon, Aug 17 - Tue, Sep 1
Japan Airlines Logo
7:03 am - 9:15 pm
PDX
-
GMP
22h 12m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,397Japan Airlines
Thu, Aug 27 - Thu, Sep 10
Korean Air Logo
5:50 am - 7:35 pm
PDX
-
PUS
20h 45m
2 stops
Korean Air Logo
4:10 pm - 4:10 pm
PUS
-
PDX
17h 00m
2 stops
$1,663Korean Air
Sun, Nov 1 - Thu, Nov 5
Korean Air Logo
5:50 am - 7:35 pm
PDX
-
PUS
20h 45m
2 stops
Korean Air Logo
4:10 pm - 4:10 pm
PUS
-
PDX
17h 00m
2 stops
$1,668Korean Air
Sun, Nov 1 - Thu, Nov 5

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Alaska Airlines flights from Portland to South Korea

Our best Alaska Airlines deals on Portland to South Korea flight tickets
Alaska Airlines
Jul 17
PDX9:19 amPortland
16h 11m
1 stop
ICN5:30 pmIncheon Intl
Jul 20
ICN7:35 pmIncheon Intl
53h 54m
2 stops
PDX9:29 amPortland
$1,086
Alaska Airlines
Jul 16
PDX8:19 amPortland
17h 11m
1 stop
ICN5:30 pmIncheon Intl
Jul 20
ICN7:35 pmIncheon Intl
36h 40m
2 stops
PDX4:15 pmPortland
$1,107
Alaska Airlines
Jul 15
PDX6:19 amPortland
19h 11m
1 stop
ICN5:30 pmIncheon Intl
Jul 22
ICN7:35 pmIncheon Intl
19h 55m
1 stop
PDX11:30 pmPortland
$1,111

Korean Air flights from Portland to South Korea

Our best Korean Air deals on Portland to South Korea flight tickets
Korean Air
Jul 15
PDX5:45 amPortland
17h 35m
1 stop
ICN3:20 pmIncheon Intl
Jul 19
ICN7:20 pmIncheon Intl
14h 58m
1 stop
PDX6:18 pmPortland
$1,343
Korean Air
Nov 1
PDX5:50 amPortland
20h 45m
2 stops
PUS7:35 pmBusan Gimhae
Nov 5
PUS4:10 pmBusan Gimhae
17h 00m
2 stops
PDX4:10 pmPortland
$1,663
Korean Air
Nov 1
PDX5:50 amPortland
20h 45m
2 stops
PUS7:35 pmBusan Gimhae
Nov 5
PUS4:10 pmBusan Gimhae
17h 00m
2 stops
PDX4:10 pmPortland
$1,668

momondo Fare Finder

 
Customize your flight search to find flights from Portland to South Korea that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 3, 2026.
Use the filters below to find and compare flights from Portland to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 9/2

10:37 am-9:40 pm

1 stop19h 03m

Incheon Intl

Wed 9/30

7:15 pm-8:50 pm

1 stop17h 35m

$901
Quickest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 10/14

10:45 am-9:40 pm

1 stop18h 55m

Incheon Intl

Wed 11/18

6:55 pm-4:34 pm

1 stop14h 39m

$910

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 7/29

10:42 am-9:40 pm

1 stop18h 58m

Incheon Intl

Mon 10/5

7:15 pm-9:29 am

1 stop30h 14m

$917

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 9/2

10:37 am-9:40 pm

1 stop19h 03m

Incheon Intl

Wed 9/16

7:15 pm-8:50 pm

1 stop17h 35m

$919

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 7/29

10:42 am-9:40 pm

1 stop18h 58m

Incheon Intl

Wed 10/7

7:15 pm-8:50 pm

1 stop17h 35m

$921

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 9/15

7:03 am-10:40 am

2 stops35h 37m

Seoul Gimpo Intl

Thu 9/24

8:00 am-1:37 pm

2 stops21h 37m

$1,393

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 8/17

7:19 am-9:15 pm

2 stops21h 56m

Seoul Gimpo Intl

Tue 9/1

12:05 pm-4:50 pm

2 stops20h 45m

$1,396

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Thu 8/27

7:03 am-9:15 pm

2 stops22h 12m

Seoul Gimpo Intl

Thu 9/10

12:05 pm-4:50 pm

2 stops20h 45m

$1,397

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sun 11/1

5:50 am-7:35 pm

2 stops20h 45m

Busan Gimhae

Thu 11/5

4:10 pm-4:10 pm

2 stops17h 00m

$1,663

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sun 11/1

5:50 am-7:35 pm

2 stops20h 45m

Busan Gimhae

Thu 11/5

4:10 pm-4:10 pm

2 stops17h 00m

$1,668

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to South Korea from

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 January, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $169.

How far in advance should I book a flight from Portland 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 $1,244 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 $843 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

19h 03m

Direct flights

None
The fastest flight from Portland to South Korea takes 19h 03m
There are no direct flights from Portland to South Korea. There are no popular flight routes from Portland to South Korea.
Search flight deals

Frequently asked questions about flying from Portland to South Korea

  • 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?

  • 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
Air CanadaPriceFrom $791Free CancellationRating
7.1
11,291 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
7.9
12,607 reviews
Search Alaska Airlines flights
Asiana AirlinesPriceFrom $881Free CancellationRating
8.1
550 reviews
Search Asiana Airlines flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
9,927 reviews
Search United Airlines flights
DeltaPriceFrom $916Free CancellationRating
7.8
8,454 reviews
Search Delta flights
Korean AirPriceFrom $1,155Free CancellationRating
8.4
1,220 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

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