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Cheap flights from Portland to Seoul from $412

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 3/30. 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.
Multiple Airlines Logo
3:15 pm - 4:00 pm
PDX
-
ICN
31h 45m1 stop
Multiple Airlines Logo
2:35 pm - 6:30 pm
ICN
-
PDX
20h 55m2 stops
$726Multiple Airlines
Mon, Feb 2 - Mon, Feb 9
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
$744Multiple Airlines
Mon, Mar 30 - Sun, May 31
Air Canada Logo
7:05 pm - 4:05 pm
PDX
-
ICN
29h 00m1 stop
Air Canada Logo
5:45 pm - 6:30 pm
ICN
-
PDX
16h 45m1 stop
$753Air Canada
Wed, Apr 1 - Sun, Apr 12
Multiple Airlines Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m1 stop
Multiple Airlines Logo
2:30 am - 9:15 am
ICN
-
PDX
22h 45m2 stops
$764Multiple Airlines
Thu, Apr 2 - Thu, Apr 16
Multiple Airlines Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m1 stop
Multiple Airlines Logo
2:30 am - 9:15 am
ICN
-
PDX
22h 45m2 stops
$786Multiple Airlines
Thu, Apr 2 - Thu, Apr 16
Multiple Airlines Logo
9:53 am - 4:20 pm
PDX
-
ICN
38h 27m1 stop
Multiple Airlines Logo
8:35 pm - 9:50 am
ICN
-
PDX
29h 15m2 stops
$787Multiple Airlines
Thu, Mar 12 - Mon, Mar 23
Multiple Airlines Logo
2:47 pm - 7:25 pm
PDX
-
ICN
35h 38m2 stops
Multiple Airlines Logo
6:55 pm - 4:50 pm
ICN
-
PDX
14h 55m1 stop
$789Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
Air Canada Logo
3:15 pm - 4:00 pm
PDX
-
ICN
31h 45m1 stop
Air Canada Logo
6:55 pm - 6:30 pm
ICN
-
PDX
16h 35m1 stop
$792Air Canada
Wed, Feb 25 - Wed, Mar 4
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
$793Air Canada
Tue, Jan 20 - Thu, Feb 5
Multiple Airlines Logo
9:50 am - 1:20 am
PDX
-
ICN
22h 30m2 stops
Multiple Airlines Logo
6:55 pm - 2:40 pm
ICN
-
PDX
12h 45m1 stop
$794Multiple Airlines
Tue, Feb 24 - Mon, Mar 2

United Airlines flights from Portland to Incheon Intl Airport

Our best United Airlines deals on Portland to Incheon Intl Airport flight tickets
United Airlines
Feb 25
PDX8:30 amPortland
28h 10m
2 stops
ICN5:40 amIncheon Intl
Mar 4
ICN12:45 pmIncheon Intl
22h 06m
2 stops
PDX5:51 pmPortland
$818
United Airlines
Jan 17
PDX8:30 amPortland
28h 10m
2 stops
ICN5:40 amIncheon Intl
Jan 25
ICN12:45 pmIncheon Intl
25h 27m
2 stops
PDX9:12 pmPortland
$921

Asiana Airlines flights from Portland to Incheon Intl Airport

Our best Asiana Airlines deals on Portland to Incheon Intl Airport flight tickets
Asiana Airlines
Apr 27
PDX7:05 pmPortland
29h 00m
1 stop
ICN4:05 pmIncheon Intl
May 6
ICN5:45 pmIncheon Intl
13h 00m
1 stop
PDX2:45 pmPortland
$860
Asiana Airlines
Apr 27
PDX7:05 pmPortland
29h 00m
1 stop
ICN4:05 pmIncheon Intl
May 4
ICN5:45 pmIncheon Intl
13h 00m
1 stop
PDX2:45 pmPortland
$876

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 January 11, 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

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 2/2

3:15 pm-4:00 pm

1 stop31h 45m

Incheon Intl

Mon 2/9

2:35 pm-6:30 pm

2 stops20h 55m

$726

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

$744

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 4/1

7:05 pm-4:05 pm

1 stop29h 00m

Incheon Intl

Sun 4/12

5:45 pm-6:30 pm

1 stop16h 45m

$753

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/2

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Thu 4/16

2:30 am-9:15 am

2 stops22h 45m

$764

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/2

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Thu 4/16

2:30 am-9:15 am

2 stops22h 45m

$786

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 3/12

9:53 am-4:20 pm

1 stop38h 27m

Incheon Intl

Mon 3/23

8:35 pm-9:50 am

2 stops29h 15m

$787

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 2/25

2:47 pm-7:25 pm

2 stops35h 38m

Incheon Intl

Wed 3/4

6:55 pm-4:50 pm

1 stop14h 55m

$789

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 2/25

3:15 pm-4:00 pm

1 stop31h 45m

Incheon Intl

Wed 3/4

6:55 pm-6:30 pm

1 stop16h 35m

$792

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 1/20

7:00 pm-5:10 pm

1 stop29h 10m

Incheon Intl

Thu 2/5

6:55 pm-2:40 pm

1 stop12h 45m

$793

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 2/24

9:50 am-1:20 am

2 stops22h 30m

Incheon Intl

Mon 3/2

6:55 pm-2:40 pm

1 stop12h 45m

$794

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $907, 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 April is also very affordable. Most momondo users find prices during this month for around $982.

How far in advance should I book a flight 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 $1,128 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 $982 on momondo.

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

As of January 2026, prices for Portland to Incheon Intl Airport flights are approximately 18% 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 28m

Direct flights

None
The fastest flight from Portland to Incheon Intl Airport takes 14h 28m
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

  • 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 28m, 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 $809Free CancellationRating
7.1
10,610 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
8.0
11,685 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,037 reviews
Search Delta flights
United AirlinesPriceFrom $907Free CancellationRating
7.4
9,144 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.2
500 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,086Free CancellationRating
8.4
1,188 reviews
Search Korean Air flights

Traveling to a place near Seoul?

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