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Cheap flights from Portland to South Korea from $397

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 8/19. 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

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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
7:03 am - 9:40 pm
PDX
-
ICN
22h 37m
1 stop
Multiple Airlines Logo
7:15 pm - 10:51 pm
ICN
-
PDX
19h 36m
1 stop
$763Multiple Airlines
Mon, Aug 24 - Mon, Sep 7
Multiple Airlines Logo
9:35 pm - 9:40 pm
PDX
-
ICN
32h 05m
1 stop
Multiple Airlines Logo
7:15 pm - 8:51 pm
ICN
-
PDX
17h 36m
1 stop
$797Multiple Airlines
Thu, Aug 20 - Wed, Sep 9
Multiple Airlines Logo
9:35 pm - 9:40 pm
PDX
-
ICN
32h 05m
1 stop
Multiple Airlines Logo
6:00 pm - 8:54 am
ICN
-
PDX
30h 54m
1 stop
$799Multiple Airlines
Thu, Aug 20 - Sat, Sep 5
Multiple Airlines Logo
9:35 pm - 9:40 pm
PDX
-
ICN
32h 05m
1 stop
Multiple Airlines Logo
7:15 pm - 9:07 am
ICN
-
PDX
29h 52m
1 stop
$800Multiple Airlines
Thu, Aug 20 - Sun, Sep 6
Multiple Airlines Logo
9:35 pm - 9:40 pm
PDX
-
ICN
32h 05m
1 stop
Multiple Airlines Logo
7:15 pm - 9:07 am
ICN
-
PDX
29h 52m
1 stop
$801Multiple Airlines
Thu, Aug 20 - Mon, Sep 7
Japan Airlines Logo
7:01 am - 9:15 pm
PDX
-
GMP
22h 14m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,232Japan Airlines
Fri, Aug 21 - Tue, Sep 1
Japan Airlines Logo
7:03 am - 9:15 pm
PDX
-
GMP
22h 12m
2 stops
Japan Airlines Logo
7:15 pm - 4:50 pm
GMP
-
PDX
37h 35m
2 stops
$1,283Japan Airlines
Thu, Sep 3 - Fri, Sep 25
STARLUX Airlines Logo
5:45 pm - 5:55 pm
PDX
-
PUS
32h 10m
2 stops
STARLUX Airlines Logo
12:30 pm - 7:41 pm
PUS
-
PDX
24h 11m
2 stops
$1,306STARLUX Airlines
Tue, Oct 13 - Mon, Nov 9
Korean Air Logo
5:40 am - 6:20 pm
PDX
-
PUS
20h 40m
2 stops
Korean Air Logo
4:30 pm - 6:16 pm
PUS
-
PDX
17h 46m
2 stops
$1,342Korean Air
Thu, Sep 10 - Mon, Sep 14
STARLUX Airlines Logo
9:34 pm - 5:55 pm
PDX
-
PUS
28h 21m
2 stops
STARLUX Airlines Logo
6:55 pm - 7:50 pm
PUS
-
PDX
40h 55m
2 stops
$1,350STARLUX Airlines
Thu, Sep 10 - Mon, Sep 14

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Delta flights from Portland to South Korea

Our best Delta deals on Portland to South Korea flight tickets
Delta
Jul 28
PDX5:50 pmPortland
31h 00m
1 stop
ICN4:50 pmIncheon Intl
Aug 15
ICN7:00 pmIncheon Intl
14h 14m
1 stop
PDX5:14 pmPortland
$1,299
Delta
Jul 28
PDX7:05 amPortland
17h 45m
1 stop
ICN4:50 pmIncheon Intl
Aug 25
ICN7:00 pmIncheon Intl
20h 56m
1 stop
PDX11:56 pmPortland
$1,306
Delta
Oct 14
PDX7:00 amPortland
21h 45m
2 stops
PUS8:45 pmBusan Gimhae
Nov 9
PUS10:25 amBusan Gimhae
28h 39m
2 stops
PDX10:04 pmPortland
$1,428

Air Canada flights from Portland to South Korea

Our best Air Canada deals on Portland to South Korea flight tickets
Air Canada
Jul 16
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
Sep 26
ICN5:45 pmIncheon Intl
13h 01m
1 stop
PDX2:46 pmPortland
$968
Air Canada
Jul 16
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
Sep 26
ICN7:45 pmIncheon Intl
35h 01m
2 stops
PDX2:46 pmPortland
$1,006
Air Canada
Jul 20
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
Aug 17
ICN5:45 pmIncheon Intl
17h 26m
1 stop
PDX7:11 pmPortland
$1,011

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 15, 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

Mon 8/24

7:03 am-9:40 pm

1 stop22h 37m

Incheon Intl

Mon 9/7

7:15 pm-10:51 pm

1 stop19h 36m

$763

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 8/20

9:35 pm-9:40 pm

1 stop32h 05m

Incheon Intl

Wed 9/9

7:15 pm-8:51 pm

1 stop17h 36m

$797

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 8/20

9:35 pm-9:40 pm

1 stop32h 05m

Incheon Intl

Sat 9/5

6:00 pm-8:54 am

1 stop30h 54m

$799

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 8/20

9:35 pm-9:40 pm

1 stop32h 05m

Incheon Intl

Sun 9/6

7:15 pm-9:07 am

1 stop29h 52m

$800

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 8/20

9:35 pm-9:40 pm

1 stop32h 05m

Incheon Intl

Mon 9/7

7:15 pm-9:07 am

1 stop29h 52m

$801

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Fri 8/21

7:01 am-9:15 pm

2 stops22h 14m

Seoul Gimpo Intl

Tue 9/1

12:05 pm-4:50 pm

2 stops20h 45m

$1,232

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Thu 9/3

7:03 am-9:15 pm

2 stops22h 12m

Seoul Gimpo Intl

Fri 9/25

7:15 pm-4:50 pm

2 stops37h 35m

$1,283

PortlandBusan

PDX - PUS

PDXPUS

Portland

Tue 10/13

5:45 pm-5:55 pm

2 stops32h 10m

Busan Gimhae

Mon 11/9

12:30 pm-7:41 pm

2 stops24h 11m

$1,306
Quickest round-trip

PortlandBusan

PDX - PUS

PDXPUS

Portland

Thu 9/10

5:40 am-6:20 pm

2 stops20h 40m

Busan Gimhae

Mon 9/14

4:30 pm-6:16 pm

2 stops17h 46m

$1,342

PortlandBusan

PDX - PUS

PDXPUS

Portland

Thu 9/10

9:34 pm-5:55 pm

2 stops28h 21m

Busan Gimhae

Mon 9/14

6:55 pm-7:50 pm

2 stops40h 55m

$1,350

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 $1,249 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 $1,017 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 55m

Direct flights

None
The fastest flight from Portland to South Korea takes 13h 55m
There are no direct flights from Portland to South Korea. There are no popular flight routes from Portland to South Korea.
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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
11,342 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
7.9
12,658 reviews
Search Alaska Airlines flights
Asiana AirlinesPriceFrom $881Free CancellationRating
8.1
552 reviews
Search Asiana Airlines flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
9,993 reviews
Search United Airlines flights
DeltaPriceFrom $916Free CancellationRating
7.8
8,479 reviews
Search Delta flights
Korean AirPriceFrom $1,155Free CancellationRating
8.4
1,221 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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