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Cheap flights from Portland to Seoul from $380

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 4/25. 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
$648Multiple Airlines
Thu, Apr 30 - Tue, May 12
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
$665Multiple Airlines
Thu, Apr 30 - Sat, May 30
Multiple Airlines Logo
3:15 pm - 4:05 pm
PDX
-
ICN
32h 50m
1 stop
Multiple Airlines Logo
8:40 pm - 9:10 am
ICN
-
PDX
28h 30m
2 stops
$672Multiple 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
8:40 pm - 9:30 am
ICN
-
PDX
28h 50m
2 stops
$698Multiple 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
2:30 am - 9:10 am
ICN
-
PDX
22h 40m
2 stops
$703Multiple 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 - 9:10 am
ICN
-
PDX
28h 30m
2 stops
$705Multiple 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
8:40 pm - 7:05 pm
ICN
-
PDX
38h 25m
2 stops
$715Multiple Airlines
Sat, Apr 4 - Sat, May 16
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
$721Multiple Airlines
Thu, Apr 16 - Thu, May 21
Multiple Airlines Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m
1 stop
Multiple Airlines Logo
2:30 am - 9:30 am
ICN
-
PDX
23h 00m
2 stops
$740Multiple Airlines
Mon, Mar 30 - Sun, May 31
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
$743Multiple Airlines
Sat, Apr 11 - Sat, Jun 13

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 30
PDX9:50 amPortland
14h 15m
1 stop
ICN4:05 pmIncheon Intl
Jun 1
ICN5:45 pmIncheon Intl
13h 00m
1 stop
PDX2:45 pmPortland
$795
Air Canada
Apr 27
PDX9:50 amPortland
14h 15m
1 stop
ICN4:05 pmIncheon Intl
May 13
ICN5:45 pmIncheon Intl
13h 00m
1 stop
PDX2:45 pmPortland
$796
Air Canada
Apr 23
PDX9:50 amPortland
14h 15m
1 stop
ICN4:05 pmIncheon Intl
May 6
ICN5:45 pmIncheon Intl
17h 20m
1 stop
PDX7:05 pmPortland
$797

United Airlines flights from Portland to Incheon Intl Airport

Our best United Airlines deals on Portland to Incheon Intl Airport flight tickets
United Airlines
Mar 11
PDX7:30 amPortland
15h 45m
1 stop
ICN3:15 pmIncheon Intl
Apr 22
ICN11:30 amIncheon Intl
19h 00m
1 stop
PDX2:30 pmPortland
$887
United Airlines
Mar 11
PDX7:30 amPortland
15h 45m
1 stop
ICN3:15 pmIncheon Intl
Apr 22
ICN11:30 amIncheon Intl
27h 24m
2 stops
PDX10:54 pmPortland
$892
United Airlines
Mar 2
PDX1:40 pmPortland
23h 00m
1 stop
ICN5:40 amIncheon Intl
Mar 6
ICN6:00 pmIncheon Intl
17h 47m
1 stop
PDX6:47 pmPortland
$937

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 28, 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

Thu 4/30

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Tue 5/12

8:40 pm-7:05 pm

2 stops38h 25m

$648

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/30

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Sat 5/30

8:40 pm-9:30 am

2 stops28h 50m

$665

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 4/12

3:15 pm-4:05 pm

1 stop32h 50m

Incheon Intl

Sat 4/25

8:40 pm-9:10 am

2 stops28h 30m

$672

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

$698

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

$703

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

$705

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 4/4

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Sat 5/16

8:40 pm-7:05 pm

2 stops38h 25m

$715

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/16

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Thu 5/21

8:40 pm-9:30 am

2 stops28h 50m

$721

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

$740

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

$743

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 $924, 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 $1,020.

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 $1,154 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 $937 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

13h 55m

Direct flights

None
The fastest flight from Portland to Incheon Intl Airport takes 13h 55m
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 13h 55m, 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 $793Free CancellationRating
7.1
10,757 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
8.0
11,968 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,246 reviews
Search Delta flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
9,365 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $914Free CancellationRating
8.1
502 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,195 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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