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Cheap flights from Portland to South Korea from $382

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 8/23. 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.
WestJet Logo
2:30 pm - 6:45 pm
PDX
-
ICN
36h 15m
1 stop
WestJet Logo
8:45 pm - 1:50 pm
ICN
-
PDX
33h 05m
1 stop
$924WestJet
Sun, Sep 27 - Sat, Oct 10
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
$927Multiple Airlines
Wed, Sep 23 - Wed, Oct 21
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
$942Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
WestJet Logo
2:30 pm - 6:45 pm
PDX
-
ICN
36h 15m
1 stop
WestJet Logo
8:45 pm - 1:50 pm
ICN
-
PDX
33h 05m
1 stop
$957WestJet
Sun, Sep 27 - Sat, Oct 10
Air Canada Logo
10:10 am - 4:05 pm
PDX
-
ICN
13h 55m
1 stop
Air Canada Logo
5:45 pm - 2:51 pm
ICN
-
PDX
13h 06m
1 stop
$967Air Canada
Mon, Jul 6 - Sat, Jul 18
Air Canada Logo
10:10 am - 4:05 pm
PDX
-
ICN
13h 55m
1 stop
Air Canada Logo
5:45 pm - 9:31 am
ICN
-
PDX
31h 46m
1 stop
$977Air Canada
Mon, Jul 6 - Sat, Jul 18
STARLUX Airlines Logo
5:41 pm - 5:55 pm
PDX
-
PUS
32h 14m
2 stops
STARLUX Airlines Logo
6:55 pm - 7:50 pm
PUS
-
PDX
40h 55m
2 stops
$1,150STARLUX Airlines
Tue, Sep 8 - Sat, Sep 12
STARLUX Airlines Logo
5:41 pm - 5:55 pm
PDX
-
PUS
32h 14m
2 stops
STARLUX Airlines Logo
6:55 pm - 7:50 pm
PUS
-
PDX
40h 55m
2 stops
$1,151STARLUX Airlines
Tue, Sep 8 - Sat, Sep 12
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
$1,391Japan 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
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m
2 stops
$1,412Japan Airlines
Sat, Aug 22 - Mon, Aug 24

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WestJet flights from Portland to South Korea

Our best WestJet deals on Portland to South Korea flight tickets
WestJet
Sep 27
PDX2:30 pmPortland
36h 15m
1 stop
ICN6:45 pmIncheon Intl
Oct 10
ICN8:45 pmIncheon Intl
33h 05m
1 stop
PDX1:50 pmPortland
$924
WestJet
Sep 27
PDX2:30 pmPortland
36h 15m
1 stop
ICN6:45 pmIncheon Intl
Oct 10
ICN8:45 pmIncheon Intl
33h 05m
1 stop
PDX1:50 pmPortland
$957
WestJet
Sep 12
PDX2:30 pmPortland
36h 15m
1 stop
ICN6:45 pmIncheon Intl
Sep 20
ICN8:45 pmIncheon Intl
33h 05m
1 stop
PDX1:50 pmPortland
$976

Asiana Airlines flights from Portland to South Korea

Our best Asiana Airlines deals on Portland to South Korea flight tickets
Asiana Airlines
Jul 2
PDX1:48 pmPortland
22h 12m
1 stop
ICN4:00 amIncheon Intl
Jul 10
ICN12:40 pmIncheon Intl
20h 07m
1 stop
PDX4:47 pmPortland
$1,359
Asiana Airlines
Jun 24
PDX5:37 pmPortland
18h 33m
1 stop
ICN4:10 amIncheon Intl
Aug 19
ICN12:40 pmIncheon Intl
16h 45m
1 stop
PDX1:25 pmPortland
$1,361
Asiana Airlines
Jun 24
PDX10:45 amPortland
25h 25m
1 stop
ICN4:10 amIncheon Intl
Aug 19
ICN9:00 pmIncheon Intl
15h 51m
1 stop
PDX8:51 pmPortland
$1,363

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 June 18, 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

Sun 9/27

2:30 pm-6:45 pm

1 stop36h 15m

Incheon Intl

Sat 10/10

8:45 pm-1:50 pm

1 stop33h 05m

$924

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 9/23

10:37 am-9:40 pm

1 stop19h 03m

Incheon Intl

Wed 10/21

7:15 pm-8:50 pm

1 stop17h 35m

$927

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 9/9

10:37 am-9:40 pm

1 stop19h 03m

Incheon Intl

Wed 9/16

7:15 pm-8:50 pm

1 stop17h 35m

$942

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 9/27

2:30 pm-6:45 pm

1 stop36h 15m

Incheon Intl

Sat 10/10

8:45 pm-1:50 pm

1 stop33h 05m

$957
Quickest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 7/6

10:10 am-4:05 pm

1 stop13h 55m

Incheon Intl

Sat 7/18

5:45 pm-2:51 pm

1 stop13h 06m

$967

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 7/6

10:10 am-4:05 pm

1 stop13h 55m

Incheon Intl

Sat 7/18

5:45 pm-9:31 am

1 stop31h 46m

$977

PortlandBusan

PDX - PUS

PDXPUS

Portland

Tue 9/8

5:41 pm-5:55 pm

2 stops32h 14m

Busan Gimhae

Sat 9/12

6:55 pm-7:50 pm

2 stops40h 55m

$1,150

PortlandBusan

PDX - PUS

PDXPUS

Portland

Tue 9/8

5:41 pm-5:55 pm

2 stops32h 14m

Busan Gimhae

Sat 9/12

6:55 pm-7:50 pm

2 stops40h 55m

$1,151

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

$1,391

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sat 8/22

7:03 am-9:15 pm

2 stops22h 12m

Seoul Gimpo Intl

Mon 8/24

12:05 pm-4:50 pm

2 stops20h 45m

$1,412

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 $1,234 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

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
11,204 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
7.9
12,533 reviews
Search Alaska Airlines flights
Asiana AirlinesPriceFrom $881Free CancellationRating
8.1
544 reviews
Search Asiana Airlines flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
9,849 reviews
Search United Airlines flights
DeltaPriceFrom $912Free CancellationRating
7.8
8,407 reviews
Search Delta flights
Korean AirPriceFrom $1,155Free CancellationRating
8.4
1,218 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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