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Cheap flights from Portland to South Korea from $368

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
9:10 am - 6:35 pm
PDX
-
ICN
16h 25m1 stop
Multiple Airlines Logo
8:35 pm - 5:59 pm
ICN
-
PDX
14h 24m1 stop
$706Multiple Airlines
Thu, Jan 22 - Thu, Feb 5
Multiple Airlines Logo
10:30 am - 6:35 pm
PDX
-
ICN
15h 05m1 stop
Multiple Airlines Logo
8:35 pm - 8:25 pm
ICN
-
PDX
15h 50m1 stop
$715Multiple Airlines
Sun, Feb 15 - Sun, Mar 22
Japan Airlines Logo
7:20 am - 10:05 pm
PDX
-
GMP
21h 45m2 stops
Japan Airlines Logo
12:05 pm - 12:38 pm
GMP
-
PDX
17h 33m2 stops
$872Japan Airlines
Thu, Jan 22 - Thu, Feb 5
Japan Airlines Logo
7:20 am - 10:05 pm
PDX
-
GMP
21h 45m2 stops
Japan Airlines Logo
12:05 pm - 4:50 pm
GMP
-
PDX
21h 45m2 stops
$884Japan Airlines
Tue, Jan 20 - Thu, Feb 5
China Eastern Logo
6:25 am - 4:50 pm
PDX
-
PUS
41h 25m2 stops
China Eastern Logo
5:50 pm - 4:10 pm
PUS
-
PDX
38h 20m2 stops
$1,032China Eastern
Tue, Mar 3 - Mon, May 4
China Eastern Logo
6:30 am - 11:35 am
PDX
-
PUS
36h 05m2 stops
China Eastern Logo
5:50 pm - 4:25 pm
PUS
-
PDX
39h 35m2 stops
$1,240China Eastern
Tue, Jan 6 - Tue, Jan 20
Korean Air Logo
5:39 pm - 10:50 am
PDX
-
PUS
25h 11m2 stops
Korean Air Logo
4:10 pm - 6:15 pm
PUS
-
PDX
18h 05m2 stops
$1,279Korean Air
Mon, Mar 9 - Fri, Mar 13
Delta Logo
7:15 am - 8:45 pm
PDX
-
PUS
20h 30m2 stops
Delta Logo
10:40 am - 11:55 pm
PUS
-
PDX
29h 15m2 stops
$1,284Delta
Sat, Feb 28 - Sun, May 3
Delta Logo
9:20 am - 7:35 pm
PDX
-
PUS
17h 15m2 stops
Delta Logo
4:30 pm - 5:03 pm
PUS
-
PDX
16h 33m2 stops
$1,309Delta
Sun, Mar 1 - Sun, May 3
Korean Air Logo
9:05 am - 7:35 pm
PDX
-
PUS
18h 30m2 stops
Korean Air Logo
4:10 pm - 6:15 pm
PUS
-
PDX
18h 05m2 stops
$1,314Korean Air
Mon, Mar 9 - Fri, Mar 13

Air Canada flights from Portland to South Korea

Our best Air Canada deals on Portland to South Korea flight tickets
Air Canada
Apr 30
PDX9:50 amPortland
14h 15m
1 stop
ICN4:05 pmIncheon Intl
May 28
ICN5:45 pmIncheon Intl
13h 00m
1 stop
PDX2:45 pmPortland
$846
Find similar
Air Canada
Feb 9
PDX9:50 amPortland
14h 20m
1 stop
ICN5:10 pmIncheon Intl
Feb 23
ICN6:55 pmIncheon Intl
12h 45m
1 stop
PDX2:40 pmPortland
$850
Find similar
Air Canada
May 3
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
Jun 8
ICN5:45 pmIncheon Intl
13h 00m
1 stop
PDX2:45 pmPortland
$868
Find similar

American Airlines flights from Portland to South Korea

Our best American Airlines deals on Portland to South Korea flight tickets
American Airlines
Feb 1
PDX11:59 pmPortland
23h 46m
1 stop
ICN4:45 pmIncheon Intl
Feb 4
ICN7:15 pmIncheon Intl
20h 02m
1 stop
PDX10:17 pmPortland
$866
Find similar
American Airlines
Jan 18
PDX6:22 pmPortland
29h 23m
2 stops
ICN4:45 pmIncheon Intl
Jan 23
ICN7:15 pmIncheon Intl
19h 56m
1 stop
PDX10:11 pmPortland
$883
Find similar
American Airlines
Feb 5
PDX6:22 pmPortland
29h 23m
2 stops
ICN4:45 pmIncheon Intl
Feb 12
ICN7:15 pmIncheon Intl
22h 01m
2 stops
PDX12:16 amPortland
$889
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 23, 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

Thu 1/22

9:10 am-6:35 pm

1 stop16h 25m

Incheon Intl

Thu 2/5

8:35 pm-5:59 pm

1 stop14h 24m

$706

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 2/15

10:30 am-6:35 pm

1 stop15h 05m

Incheon Intl

Sun 3/22

8:35 pm-8:25 pm

1 stop15h 50m

$715

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Thu 1/22

7:20 am-10:05 pm

2 stops21h 45m

Seoul Gimpo Intl

Thu 2/5

12:05 pm-12:38 pm

2 stops17h 33m

$872

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 1/20

7:20 am-10:05 pm

2 stops21h 45m

Seoul Gimpo Intl

Thu 2/5

12:05 pm-4:50 pm

2 stops21h 45m

$884

PortlandBusan

PDX - PUS

PDXPUS

Portland

Tue 3/3

6:25 am-4:50 pm

2 stops41h 25m

Busan Gimhae

Mon 5/4

5:50 pm-4:10 pm

2 stops38h 20m

$1,032

PortlandBusan

PDX - PUS

PDXPUS

Portland

Tue 1/6

6:30 am-11:35 am

2 stops36h 05m

Busan Gimhae

Tue 1/20

5:50 pm-4:25 pm

2 stops39h 35m

$1,240

PortlandBusan

PDX - PUS

PDXPUS

Portland

Mon 3/9

5:39 pm-10:50 am

2 stops25h 11m

Busan Gimhae

Fri 3/13

4:10 pm-6:15 pm

2 stops18h 05m

$1,279

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sat 2/28

7:15 am-8:45 pm

2 stops20h 30m

Busan Gimhae

Sun 5/3

10:40 am-11:55 pm

2 stops29h 15m

$1,284

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sun 3/1

9:20 am-7:35 pm

2 stops17h 15m

Busan Gimhae

Sun 5/3

4:30 pm-5:03 pm

2 stops16h 33m

$1,309

PortlandBusan

PDX - PUS

PDXPUS

Portland

Mon 3/9

9:05 am-7:35 pm

2 stops18h 30m

Busan Gimhae

Fri 3/13

4:10 pm-6:15 pm

2 stops18h 05m

$1,314

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.

What is the cheapest day to depart on your flight to South Korea?

On average, the least expensive day to fly to South Korea from Portland is on a Thursday. momondo users have found tickets for Thursday departures for as low as $1,190. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Portland to South Korea for around $1,498.

What is the cheapest time of day to depart on your flight to South Korea?

Flying to South Korea from Portland in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,179 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,565 on average. Flights to South Korea from Portland in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

14h 15m

Direct flights

None
The fastest flight from Portland to South Korea takes 14h 15m
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
10,551 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
8.0
11,510 reviews
Search Alaska Airlines flights
China EasternPriceFrom $822Free CancellationRating
7.2
179 reviews
Search China Eastern flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,014 reviews
Search Delta flights
United AirlinesPriceFrom $907Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.2
496 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,185 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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