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Cheap flights from Portland to South Korea from $484

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 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
2:30 pm - 9:40 pm
PDX
-
ICN
39h 10m
2 stops
Multiple Airlines Logo
7:35 pm - 8:02 am
ICN
-
PDX
28h 27m
1 stop
$1,016Multiple Airlines
Wed, May 20 - Fri, May 29
Multiple Airlines Logo
10:34 am - 8:10 pm
PDX
-
ICN
17h 36m
1 stop
Multiple Airlines Logo
6:00 pm - 4:50 pm
ICN
-
PDX
14h 50m
1 stop
$1,034Multiple Airlines
Mon, Aug 24 - Wed, Sep 2
Multiple Airlines Logo
2:30 pm - 9:40 pm
PDX
-
ICN
39h 10m
2 stops
Multiple Airlines Logo
7:35 pm - 4:50 pm
ICN
-
PDX
13h 15m
1 stop
$1,035Multiple Airlines
Wed, May 20 - Thu, May 28
Multiple Airlines Logo
2:30 pm - 9:40 pm
PDX
-
ICN
39h 10m
2 stops
Multiple Airlines Logo
6:00 pm - 9:57 pm
ICN
-
PDX
19h 57m
1 stop
$1,039Multiple Airlines
Wed, May 20 - Sat, Jun 6
Air Canada Logo
7:45 pm - 4:05 pm
PDX
-
ICN
28h 20m
1 stop
Air Canada Logo
5:45 pm - 7:06 pm
ICN
-
PDX
17h 21m
1 stop
$1,045Air Canada
Sun, Sep 20 - Mon, Oct 5
Japan Airlines Logo
7:00 am - 9:15 pm
PDX
-
GMP
22h 15m
2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,246Japan Airlines
Mon, Aug 24 - Wed, Sep 2
Japan Airlines Logo
7:00 am - 9:15 pm
PDX
-
GMP
22h 15m
2 stops
Japan Airlines Logo
7:15 pm - 4:50 pm
GMP
-
PDX
37h 35m
2 stops
$1,294Japan Airlines
Fri, Aug 21 - Tue, Sep 1
STARLUX Airlines Logo
9:59 pm - 5:55 pm
PDX
-
PUS
27h 56m
2 stops
STARLUX Airlines Logo
6:55 pm - 12:10 am
PUS
-
PDX
45h 15m
2 stops
$1,421STARLUX Airlines
Sun, Oct 18 - Thu, Oct 22
Delta Logo
6:30 am - 8:45 pm
PDX
-
PUS
22h 15m
2 stops
Delta Logo
10:40 am - 11:54 pm
PUS
-
PDX
29h 14m
2 stops
$1,905Delta
Sun, Jun 14 - Sun, Jun 21
Delta Logo
5:30 am - 7:45 am
PDX
-
PUS
34h 15m
2 stops
Delta Logo
8:45 am - 10:02 pm
PUS
-
PDX
29h 17m
2 stops
$2,024Delta
Sun, Jun 14 - Sun, Jun 21

Air Canada flights from Portland to South Korea

Our best Air Canada deals on Portland to South Korea flight tickets
Air Canada
Sep 20
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
Oct 5
ICN5:45 pmIncheon Intl
17h 21m
1 stop
PDX7:06 pmPortland
$1,045
Air Canada
May 10
PDX3:30 pmPortland
32h 35m
1 stop
ICN4:05 pmIncheon Intl
Jun 8
ICN5:45 pmIncheon Intl
13h 00m
1 stop
PDX2:45 pmPortland
$1,055
Air Canada
Sep 6
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
Sep 20
ICN5:45 pmIncheon Intl
31h 46m
1 stop
PDX9:31 amPortland
$1,087

Delta flights from Portland to South Korea

Our best Delta deals on Portland to South Korea flight tickets
Delta
Jun 14
PDX6:30 amPortland
22h 15m
2 stops
PUS8:45 pmBusan Gimhae
Jun 21
PUS10:40 amBusan Gimhae
29h 14m
2 stops
PDX11:54 pmPortland
$1,905
Delta
Jun 14
PDX5:30 amPortland
34h 15m
2 stops
PUS7:45 amBusan Gimhae
Jun 21
PUS8:45 amBusan Gimhae
29h 17m
2 stops
PDX10:02 pmPortland
$2,024

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 May 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 5/20

2:30 pm-9:40 pm

2 stops39h 10m

Incheon Intl

Fri 5/29

7:35 pm-8:02 am

1 stop28h 27m

$1,016
Quickest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 8/24

10:34 am-8:10 pm

1 stop17h 36m

Incheon Intl

Wed 9/2

6:00 pm-4:50 pm

1 stop14h 50m

$1,034

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 5/20

2:30 pm-9:40 pm

2 stops39h 10m

Incheon Intl

Thu 5/28

7:35 pm-4:50 pm

1 stop13h 15m

$1,035

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 5/20

2:30 pm-9:40 pm

2 stops39h 10m

Incheon Intl

Sat 6/6

6:00 pm-9:57 pm

1 stop19h 57m

$1,039

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 9/20

7:45 pm-4:05 pm

1 stop28h 20m

Incheon Intl

Mon 10/5

5:45 pm-7:06 pm

1 stop17h 21m

$1,045

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 8/24

7:00 am-9:15 pm

2 stops22h 15m

Seoul Gimpo Intl

Wed 9/2

12:05 pm-4:50 pm

2 stops20h 45m

$1,246

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Fri 8/21

7:00 am-9:15 pm

2 stops22h 15m

Seoul Gimpo Intl

Tue 9/1

7:15 pm-4:50 pm

2 stops37h 35m

$1,294

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sun 10/18

9:59 pm-5:55 pm

2 stops27h 56m

Busan Gimhae

Thu 10/22

6:55 pm-12:10 am

2 stops45h 15m

$1,421

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sun 6/14

6:30 am-8:45 pm

2 stops22h 15m

Busan Gimhae

Sun 6/21

10:40 am-11:54 pm

2 stops29h 14m

$1,905

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sun 6/14

5:30 am-7:45 am

2 stops34h 15m

Busan Gimhae

Sun 6/21

8:45 am-10:02 pm

2 stops29h 17m

$2,024

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 May is also cheap. Prices for this month can be found on momondo for an average of $548.

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 $1,206 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

15h 45m

Direct flights

None
The fastest flight from Portland to South Korea takes 15h 45m
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
10,993 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
7.9
12,321 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,460 reviews
Search Delta flights
Asiana AirlinesPriceFrom $881Free CancellationRating
8.1
528 reviews
Search Asiana Airlines flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
9,683 reviews
Search United Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,216 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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