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Cheap flights from Portland to South Korea from $495

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 7/5. 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.
Alaska Airlines Logo
9:32 pm - 5:35 pm
PDX
-
ICN
27h 03m
2 stops
Alaska Airlines Logo
8:00 pm - 9:35 am
ICN
-
PDX
30h 35m
2 stops
$961Alaska Airlines
Tue, Nov 3 - Mon, Nov 9
Multiple Airlines Logo
10:45 am - 8:10 pm
PDX
-
ICN
17h 25m
1 stop
Multiple Airlines Logo
6:55 pm - 8:50 pm
ICN
-
PDX
17h 55m
1 stop
$962Multiple Airlines
Wed, Oct 14 - Wed, Oct 28
Multiple Airlines Logo
10:34 am - 8:10 pm
PDX
-
ICN
17h 36m
1 stop
Multiple Airlines Logo
6:00 pm - 4:45 pm
ICN
-
PDX
14h 45m
1 stop
$984Multiple Airlines
Wed, Sep 23 - Wed, Oct 14
Multiple Airlines Logo
9:35 pm - 8:10 pm
PDX
-
ICN
30h 35m
1 stop
Multiple Airlines Logo
9:50 am - 8:50 pm
ICN
-
PDX
27h 00m
2 stops
$986Multiple Airlines
Tue, Aug 25 - Tue, Sep 8
Multiple Airlines Logo
9:35 pm - 8:10 pm
PDX
-
ICN
30h 35m
1 stop
Multiple Airlines Logo
12:55 pm - 10:51 pm
ICN
-
PDX
25h 56m
2 stops
$987Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Alaska Airlines Logo
9:32 pm - 5:35 pm
PDX
-
ICN
27h 03m
2 stops
Alaska Airlines Logo
8:00 pm - 9:35 am
ICN
-
PDX
30h 35m
2 stops
$989Alaska Airlines
Tue, Nov 3 - Sun, Nov 8
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
$1,247Japan Airlines
Tue, Sep 1 - Tue, Sep 8
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
$1,264Japan Airlines
Wed, Sep 2 - Thu, Sep 10
STARLUX Airlines Logo
5:35 pm - 11:30 am
PDX
-
PUS
25h 55m
2 stops
STARLUX Airlines Logo
6:55 pm - 10:01 pm
PUS
-
PDX
43h 06m
2 stops
$1,541STARLUX Airlines
Mon, Aug 31 - Thu, Sep 3
Korean Air Logo
9:40 am - 8:45 pm
PDX
-
PUS
19h 05m
2 stops
Korean Air Logo
4:30 pm - 6:11 pm
PUS
-
PDX
17h 41m
2 stops
$1,707Korean Air
Fri, Sep 11 - Tue, Sep 15

Qatar Airways flights from Portland to South Korea

Our best Qatar Airways deals on Portland to South Korea flight tickets
Qatar Airways
Aug 23
PDX8:10 amPortland
40h 55m
2 stops
ICN5:05 pmIncheon Intl
Oct 31
ICN12:20 amIncheon Intl
38h 35m
2 stops
PDX10:55 pmPortland
$1,111
Qatar Airways
Sep 23
PDX5:05 amPortland
37h 25m
2 stops
ICN10:30 amIncheon Intl
Oct 12
ICN1:20 amIncheon Intl
36h 39m
2 stops
PDX9:59 pmPortland
$1,121
Qatar Airways
Sep 1
PDX8:10 amPortland
40h 55m
2 stops
ICN5:05 pmIncheon Intl
Sep 7
ICN1:20 amIncheon Intl
34h 30m
2 stops
PDX7:50 pmPortland
$1,141

Alaska Airlines flights from Portland to South Korea

Our best Alaska Airlines deals on Portland to South Korea flight tickets
Alaska Airlines
Nov 3
PDX9:32 pmPortland
27h 03m
2 stops
ICN5:35 pmIncheon Intl
Nov 9
ICN8:00 pmIncheon Intl
30h 35m
2 stops
PDX9:35 amPortland
$961
Alaska Airlines
Nov 3
PDX9:32 pmPortland
27h 03m
2 stops
ICN5:35 pmIncheon Intl
Nov 8
ICN8:00 pmIncheon Intl
30h 35m
2 stops
PDX9:35 amPortland
$989
Alaska Airlines
Nov 7
PDX5:50 pmPortland
30h 45m
2 stops
ICN5:35 pmIncheon Intl
Nov 9
ICN8:00 pmIncheon Intl
30h 35m
2 stops
PDX9:35 amPortland
$1,012

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 13, 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

Tue 11/3

9:32 pm-5:35 pm

2 stops27h 03m

Incheon Intl

Mon 11/9

8:00 pm-9:35 am

2 stops30h 35m

$961

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 10/14

10:45 am-8:10 pm

1 stop17h 25m

Incheon Intl

Wed 10/28

6:55 pm-8:50 pm

1 stop17h 55m

$962
Quickest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 9/23

10:34 am-8:10 pm

1 stop17h 36m

Incheon Intl

Wed 10/14

6:00 pm-4:45 pm

1 stop14h 45m

$984

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 8/25

9:35 pm-8:10 pm

1 stop30h 35m

Incheon Intl

Tue 9/8

9:50 am-8:50 pm

2 stops27h 00m

$986

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 9/1

9:35 pm-8:10 pm

1 stop30h 35m

Incheon Intl

Tue 9/8

12:55 pm-10:51 pm

2 stops25h 56m

$987

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 11/3

9:32 pm-5:35 pm

2 stops27h 03m

Incheon Intl

Sun 11/8

8:00 pm-9:35 am

2 stops30h 35m

$989

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 9/1

7:00 am-9:15 pm

2 stops22h 15m

Seoul Gimpo Intl

Tue 9/8

12:05 pm-4:50 pm

2 stops20h 45m

$1,247

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Wed 9/2

7:00 am-9:15 pm

2 stops22h 15m

Seoul Gimpo Intl

Thu 9/10

12:05 pm-4:50 pm

2 stops20h 45m

$1,264

PortlandBusan

PDX - PUS

PDXPUS

Portland

Mon 8/31

5:35 pm-11:30 am

2 stops25h 55m

Busan Gimhae

Thu 9/3

6:55 pm-10:01 pm

2 stops43h 06m

$1,541

PortlandBusan

PDX - PUS

PDXPUS

Portland

Fri 9/11

9:40 am-8:45 pm

2 stops19h 05m

Busan Gimhae

Tue 9/15

4:30 pm-6:11 pm

2 stops17h 41m

$1,707

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 $1,196 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
11,033 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
7.9
12,361 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,453 reviews
Search Delta flights
Asiana AirlinesPriceFrom $881Free CancellationRating
8.1
532 reviews
Search Asiana Airlines flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
9,711 reviews
Search United Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,217 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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