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Cheap flights from Portland to South Korea from $428

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 3/15. 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
7:00 pm - 5:10 pm
PDX
-
ICN
29h 10m1 stop
Multiple Airlines Logo
9:50 am - 6:30 pm
ICN
-
PDX
25h 40m2 stops
$722Multiple Airlines
Tue, Jan 20 - Tue, Feb 17
Multiple Airlines Logo
9:50 am - 1:35 am
PDX
-
ICN
22h 45m2 stops
Multiple Airlines Logo
6:40 am - 6:30 pm
ICN
-
PDX
28h 50m2 stops
$762Multiple Airlines
Tue, Feb 10 - Tue, Feb 17
Multiple Airlines Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m1 stop
Multiple Airlines Logo
2:30 am - 9:30 am
ICN
-
PDX
23h 00m2 stops
$780Multiple Airlines
Mon, Mar 30 - Sun, May 31
Multiple Airlines Logo
9:50 am - 5:10 pm
PDX
-
ICN
14h 20m1 stop
Multiple Airlines Logo
2:35 pm - 6:30 pm
ICN
-
PDX
20h 55m2 stops
$800Multiple Airlines
Mon, Feb 2 - Wed, Feb 11
Multiple Airlines Logo
9:50 am - 10:50 pm
PDX
-
ICN
20h 00m2 stops
Multiple Airlines Logo
9:50 am - 6:30 pm
ICN
-
PDX
25h 40m2 stops
$802Multiple Airlines
Tue, Jan 20 - Tue, Feb 17
Multiple Airlines Logo
9:50 am - 5:10 pm
PDX
-
ICN
14h 20m1 stop
Multiple Airlines Logo
2:35 pm - 6:30 pm
ICN
-
PDX
20h 55m2 stops
$804Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
Air Canada Logo
7:00 pm - 5:10 pm
PDX
-
ICN
29h 10m1 stop
Air Canada Logo
6:55 pm - 2:40 pm
ICN
-
PDX
12h 45m1 stop
$818Air Canada
Tue, Jan 20 - Tue, Feb 17
Japan Airlines Logo
7:05 am - 10:05 pm
PDX
-
GMP
23h 00m2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
20h 45m2 stops
$955Japan Airlines
Sun, Mar 8 - Tue, Mar 17
Japan Airlines Logo
7:20 am - 10:55 am
PDX
-
GMP
34h 35m2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
21h 45m2 stops
$965Japan Airlines
Mon, Jan 19 - Fri, Jan 23
Japan Airlines Logo
7:20 am - 10:05 pm
PDX
-
GMP
21h 45m2 stops
Japan Airlines Logo
8:00 am - 2:48 pm
GMP
-
PDX
23h 48m2 stops
$980Japan Airlines
Sun, Feb 1 - Tue, Feb 10

Air Canada flights from Portland to South Korea

Our best Air Canada deals on Portland to South Korea flight tickets
Air Canada
Jan 20
PDX7:00 pmPortland
29h 10m
1 stop
ICN5:10 pmIncheon Intl
Feb 17
ICN6:55 pmIncheon Intl
12h 45m
1 stop
PDX2:40 pmPortland
$818
Find similar
Air Canada
Mar 30
PDX7:05 pmPortland
29h 00m
1 stop
ICN4:05 pmIncheon Intl
Jun 1
ICN5:45 pmIncheon Intl
17h 20m
1 stop
PDX7:05 pmPortland
$819
Find similar
Air Canada
Apr 30
PDX9:50 amPortland
14h 15m
1 stop
ICN4:05 pmIncheon Intl
May 28
ICN5:45 pmIncheon Intl
17h 20m
1 stop
PDX7:05 pmPortland
$840
Find similar

American Airlines flights from Portland to South Korea

Our best American Airlines deals on Portland to South Korea flight tickets
American Airlines
Mar 22
PDX10:59 pmPortland
24h 56m
1 stop
ICN3:55 pmIncheon Intl
Apr 5
ICN5:25 pmIncheon Intl
23h 25m
1 stop
PDX12:50 amPortland
$916
Find similar
American Airlines
Mar 19
PDX11:59 pmPortland
23h 56m
1 stop
ICN3:55 pmIncheon Intl
Apr 1
ICN5:25 pmIncheon Intl
20h 37m
1 stop
PDX10:02 pmPortland
$926
Find similar

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 December 28, 2025.
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

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 1/20

7:00 pm-5:10 pm

1 stop29h 10m

Incheon Intl

Tue 2/17

9:50 am-6:30 pm

2 stops25h 40m

$722

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 2/10

9:50 am-1:35 am

2 stops22h 45m

Incheon Intl

Tue 2/17

6:40 am-6:30 pm

2 stops28h 50m

$762

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 3/30

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Sun 5/31

2:30 am-9:30 am

2 stops23h 00m

$780

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 2/2

9:50 am-5:10 pm

1 stop14h 20m

Incheon Intl

Wed 2/11

2:35 pm-6:30 pm

2 stops20h 55m

$800

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 1/20

9:50 am-10:50 pm

2 stops20h 00m

Incheon Intl

Tue 2/17

9:50 am-6:30 pm

2 stops25h 40m

$802

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 2/18

9:50 am-5:10 pm

1 stop14h 20m

Incheon Intl

Wed 2/25

2:35 pm-6:30 pm

2 stops20h 55m

$804

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 1/20

7:00 pm-5:10 pm

1 stop29h 10m

Incheon Intl

Tue 2/17

6:55 pm-2:40 pm

1 stop12h 45m

$818

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sun 3/8

7:05 am-10:05 pm

2 stops23h 00m

Seoul Gimpo Intl

Tue 3/17

12:05 pm-4:50 pm

2 stops20h 45m

$955

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 1/19

7:20 am-10:55 am

2 stops34h 35m

Seoul Gimpo Intl

Fri 1/23

12:05 pm-4:50 pm

2 stops21h 45m

$965

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sun 2/1

7:20 am-10:05 pm

2 stops21h 45m

Seoul Gimpo Intl

Tue 2/10

8:00 am-2:48 pm

2 stops23h 48m

$980

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 February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $944.

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

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.
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?

  • 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 AirlinesPriceFrom $767Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $805Free CancellationRating
7.1
10,562 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
8.0
11,555 reviews
Search Alaska Airlines flights
China EasternPriceFrom $822Free CancellationRating
7.2
184 reviews
Search China Eastern flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,016 reviews
Search Delta flights
United AirlinesPriceFrom $907Free CancellationRating
7.4
9,114 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.2
502 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,184 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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