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Cheap flights from Portland to Seoul from $406

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 2/25. 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.
Multiple Airlines Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m
1 stop
Multiple Airlines Logo
8:40 pm - 7:05 pm
ICN
-
PDX
38h 25m
2 stops
$651Multiple Airlines
Mon, Apr 20 - Tue, May 5
Multiple Airlines Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m
1 stop
Multiple Airlines Logo
8:40 pm - 9:30 am
ICN
-
PDX
28h 50m
2 stops
$656Multiple Airlines
Thu, Apr 30 - Thu, May 28
Multiple Airlines Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m
1 stop
Multiple Airlines Logo
8:40 pm - 9:30 am
ICN
-
PDX
28h 50m
2 stops
$701Multiple Airlines
Wed, Apr 22 - Fri, May 8
Multiple Airlines Logo
7:05 pm - 4:05 pm
PDX
-
ICN
29h 00m
1 stop
Multiple Airlines Logo
8:40 pm - 9:10 am
ICN
-
PDX
28h 30m
2 stops
$708Multiple Airlines
Sun, Apr 12 - Sat, Apr 25
Multiple Airlines Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m
1 stop
Multiple Airlines Logo
2:30 am - 9:10 am
ICN
-
PDX
22h 40m
2 stops
$710Multiple Airlines
Tue, Apr 14 - Mon, Apr 20
Multiple Airlines Logo
7:05 pm - 4:05 pm
PDX
-
ICN
29h 00m
1 stop
Multiple Airlines Logo
8:40 pm - 9:30 am
ICN
-
PDX
28h 50m
2 stops
$725Multiple Airlines
Sun, Apr 5 - Sat, May 2
Multiple Airlines Logo
3:25 pm - 4:05 pm
PDX
-
ICN
32h 40m
1 stop
Multiple Airlines Logo
2:30 am - 9:30 am
ICN
-
PDX
23h 00m
2 stops
$743Multiple Airlines
Sun, May 3 - Thu, Jun 4
Multiple Airlines Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m
1 stop
Multiple Airlines Logo
8:40 pm - 9:30 am
ICN
-
PDX
28h 50m
2 stops
$751Multiple Airlines
Sat, Apr 11 - Sat, Jun 13
Multiple Airlines Logo
3:25 pm - 4:05 pm
PDX
-
ICN
32h 40m
1 stop
Multiple Airlines Logo
2:30 am - 9:30 am
ICN
-
PDX
23h 00m
2 stops
$757Multiple Airlines
Sun, May 3 - Thu, Jun 4
Multiple Airlines Logo
7:05 pm - 4:05 pm
PDX
-
ICN
29h 00m
1 stop
Multiple Airlines Logo
8:40 pm - 9:30 am
ICN
-
PDX
28h 50m
2 stops
$758Multiple Airlines
Thu, Apr 30 - Thu, May 28

Air Canada flights from Portland to Incheon Intl Airport

Our best Air Canada deals on Portland to Incheon Intl Airport flight tickets
Air Canada
Mar 5
PDX9:50 amPortland
14h 20m
1 stop
ICN5:10 pmIncheon Intl
Mar 19
ICN5:55 pmIncheon Intl
31h 20m
1 stop
PDX9:15 amPortland
$771
Air Canada
Mar 10
PDX9:50 amPortland
14h 25m
1 stop
ICN4:15 pmIncheon Intl
Mar 17
ICN5:55 pmIncheon Intl
12h 45m
1 stop
PDX2:40 pmPortland
$778
Air Canada
Feb 15
PDX7:05 pmPortland
29h 05m
1 stop
ICN5:10 pmIncheon Intl
Feb 19
ICN6:55 pmIncheon Intl
12h 45m
1 stop
PDX2:40 pmPortland
$793

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 11
ICN5:45 pmIncheon Intl
13h 00m
1 stop
PDX2:45 pmPortland
$829
Asiana Airlines
Feb 21
PDX3:15 pmPortland
32h 55m
1 stop
ICN5:10 pmIncheon Intl
Feb 25
ICN5:55 pmIncheon Intl
32h 20m
1 stop
PDX9:15 amPortland
$873
Asiana Airlines
Feb 17
PDX7:10 amPortland
29h 30m
2 stops
ICN5:40 amIncheon Intl
Feb 23
ICN12:45 pmIncheon Intl
16h 53m
1 stop
PDX12:38 pmPortland
$901

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 February 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 4/20

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Tue 5/5

8:40 pm-7:05 pm

2 stops38h 25m

$651

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/30

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Thu 5/28

8:40 pm-9:30 am

2 stops28h 50m

$656

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 4/22

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Fri 5/8

8:40 pm-9:30 am

2 stops28h 50m

$701

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 4/12

7:05 pm-4:05 pm

1 stop29h 00m

Incheon Intl

Sat 4/25

8:40 pm-9:10 am

2 stops28h 30m

$708

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 4/14

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Mon 4/20

2:30 am-9:10 am

2 stops22h 40m

$710

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 4/5

7:05 pm-4:05 pm

1 stop29h 00m

Incheon Intl

Sat 5/2

8:40 pm-9:30 am

2 stops28h 50m

$725

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 5/3

3:25 pm-4:05 pm

1 stop32h 40m

Incheon Intl

Thu 6/4

2:30 am-9:30 am

2 stops23h 00m

$743

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 4/11

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Sat 6/13

8:40 pm-9:30 am

2 stops28h 50m

$751

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 5/3

3:25 pm-4:05 pm

1 stop32h 40m

Incheon Intl

Thu 6/4

2:30 am-9:30 am

2 stops23h 00m

$757

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/30

7:05 pm-4:05 pm

1 stop29h 00m

Incheon Intl

Thu 5/28

8:40 pm-9:30 am

2 stops28h 50m

$758

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 $920, 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 $1,026.

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 $1,167 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 $962 on momondo.

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

As of February 2026, prices for Portland to Incheon Intl Airport flights are approximately 2% cheaper 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 15m

Direct flights

None
The fastest flight from Portland to Incheon Intl Airport takes 14h 15m
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 15m, 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 $799Free CancellationRating
7.1
10,708 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
8.0
11,876 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,175 reviews
Search Delta flights
United AirlinesPriceFrom $907Free CancellationRating
7.4
9,274 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.1
505 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,086Free CancellationRating
8.4
1,191 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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