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Cheap flights from Portland to Seoul from $491

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 Seoul departing on 8/25. 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 Seoul

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
7:01 am - 8:30 pm
PDX
-
ICN
20h 29m
1 stop
Multiple Airlines Logo
6:55 pm - 4:34 pm
ICN
-
PDX
14h 39m
1 stop
$962Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
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
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
Multiple Airlines Logo
7:01 am - 8:30 pm
PDX
-
ICN
20h 29m
1 stop
Multiple Airlines Logo
6:55 pm - 4:34 pm
ICN
-
PDX
14h 39m
1 stop
$995Multiple Airlines
Mon, Nov 2 - Wed, Nov 11
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
$1,006Multiple Airlines
Wed, Sep 23 - Mon, Oct 12
Alaska Airlines Logo
5:50 pm - 5:35 pm
PDX
-
ICN
30h 45m
2 stops
Alaska Airlines Logo
8:00 pm - 9:35 am
ICN
-
PDX
30h 35m
2 stops
$1,012Alaska Airlines
Sat, Nov 7 - Mon, Nov 9
Alaska Airlines Logo
5:50 pm - 5:35 pm
PDX
-
ICN
30h 45m
2 stops
Alaska Airlines Logo
8:00 pm - 9:35 am
ICN
-
PDX
30h 35m
2 stops
$1,017Alaska Airlines
Thu, Nov 5 - Sun, Nov 8
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
$1,022Multiple Airlines
Sat, Aug 22 - Wed, Sep 2

Qatar Airways flights from Portland to Incheon Intl Airport

Our best Qatar Airways deals on Portland to Incheon Intl Airport flight tickets
Qatar Airways
Oct 28
PDX2:30 pmPortland
28h 00m
2 stops
ICN10:30 amIncheon Intl
Nov 17
ICN12:20 amIncheon Intl
31h 33m
2 stops
PDX2:53 pmPortland
$1,038
Qatar Airways
Aug 3
PDX1:48 pmPortland
35h 17m
2 stops
ICN5:05 pmIncheon Intl
Aug 26
ICN1:20 amIncheon Intl
31h 29m
2 stops
PDX4:49 pmPortland
$1,057
Qatar Airways
Aug 9
PDX12:03 pmPortland
37h 02m
2 stops
ICN5:05 pmIncheon Intl
Dec 12
ICN12:20 amIncheon Intl
39h 24m
2 stops
PDX10:44 pmPortland
$1,111

WestJet flights from Portland to Incheon Intl Airport

Our best WestJet deals on Portland to Incheon Intl Airport flight tickets
WestJet
Sep 6
PDX2:30 pmPortland
36h 15m
1 stop
ICN6:45 pmIncheon Intl
Sep 15
ICN8:45 pmIncheon Intl
33h 05m
1 stop
PDX1:50 pmPortland
$1,086
WestJet
Sep 8
PDX2:30 pmPortland
36h 15m
1 stop
ICN6:45 pmIncheon Intl
Sep 22
ICN8:45 pmIncheon Intl
33h 05m
1 stop
PDX1:50 pmPortland
$1,091

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Incheon Intl Airport 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 12, 2026.
Use the filters below to find and compare flights from Portland to Incheon Intl Airport 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 11/4

7:01 am-8:30 pm

1 stop20h 29m

Incheon Intl

Wed 11/11

6:55 pm-4:34 pm

1 stop14h 39m

$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 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

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 11/2

7:01 am-8:30 pm

1 stop20h 29m

Incheon Intl

Wed 11/11

6:55 pm-4:34 pm

1 stop14h 39m

$995

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 9/23

10:34 am-8:10 pm

1 stop17h 36m

Incheon Intl

Mon 10/12

6:00 pm-4:45 pm

1 stop14h 45m

$1,006

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 11/7

5:50 pm-5:35 pm

2 stops30h 45m

Incheon Intl

Mon 11/9

8:00 pm-9:35 am

2 stops30h 35m

$1,012

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 11/5

5:50 pm-5:35 pm

2 stops30h 45m

Incheon Intl

Sun 11/8

8:00 pm-9:35 am

2 stops30h 35m

$1,017

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 8/22

10:34 am-8:10 pm

1 stop17h 36m

Incheon Intl

Wed 9/2

6:00 pm-4:50 pm

1 stop14h 50m

$1,022

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 Seoul from

How to get the cheapest flight ticket from Portland to Incheon Intl Airport

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 typical price of a round-trip flight between Portland and Incheon Intl Airport?

What is the cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Portland is in February. Flight prices, which tend to average around $956, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of February, then departing from Portland during the month August is also very affordable. Most momondo users find prices during this month for around $997.

How far in advance should I book a flight from Portland to Incheon Intl Airport?

You are more likely to see cheaper flights to Incheon Intl Airport from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport 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 Incheon Intl Airport from Portland for as low as $843 on momondo.

How have Portland to Incheon Intl Airport flight prices changed over time?

As of May 2026, prices for Portland to Incheon Intl Airport flights are approximately 11% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Incheon Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Incheon Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Incheon Intl Airport (PDX to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Incheon Intl Airport

Fastest flight time

14h 31m

Direct flights

None
The fastest flight from Portland to Incheon Intl Airport takes 14h 31m
There are no direct flights from Portland to Incheon Intl Airport. There are no popular flight routes from Portland to Incheon Intl Airport.
Search flight deals

Frequently asked questions about flying from Portland to Incheon Intl Airport

  • How far is Portland to Incheon Intl by plane?

    Portland and Incheon Intl are 5272.8 mi apart from one another. Flights usually cover this in 14h 31m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Portland Airport to Incheon Intl Airport?

    Prices for flights from Portland Airport to Incheon Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Incheon Intl Airport?

  • How old do you have to be to fly from Portland Airport to Incheon Intl Airport?

    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 Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland to Incheon Intl Airport?

Best airlines flying from Portland to Incheon Intl Airport

Compare and see reviews for airlines that fly from Portland to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $791Free CancellationRating
7.1
11,026 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
7.9
12,353 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,450 reviews
Search Delta flights
Asiana AirlinesPriceFrom $881Free CancellationRating
8.1
532 reviews
Search Asiana Airlines flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
9,704 reviews
Search United Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,217 reviews
Search Korean Air flights

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Daejeon
Suwon
Seongnam
Anyang

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Seoul?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Seoul for you.

Can I find flights from Portland to Seoul with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seoul from Portland with this policy.

How can momondo help me find flights from Portland to Seoul?

Once all potential Portland to Seoul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to Seoul right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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