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Cheap flights from Portland to Seoul from $390

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 2/6. 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
7:45 pm - 4:05 pm
PDX
-
ICN
28h 20m
1 stop
Multiple Airlines Logo
2:30 am - 9:30 am
ICN
-
PDX
23h 00m
2 stops
$741Multiple Airlines
Sun, May 3 - Sun, Jun 14
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
$765Multiple Airlines
Thu, Apr 23 - Wed, May 6
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
$766Multiple Airlines
Mon, Mar 30 - Sun, May 31
Air Canada Logo
7:05 pm - 4:05 pm
PDX
-
ICN
29h 00m
1 stop
Air Canada Logo
5:45 pm - 7:05 pm
ICN
-
PDX
17h 20m
1 stop
$798Air Canada
Sat, Apr 11 - Sat, Jun 13
Multiple Airlines Logo
9:50 am - 1:20 am
PDX
-
ICN
22h 30m
2 stops
Multiple Airlines Logo
6:55 pm - 2:40 pm
ICN
-
PDX
12h 45m
1 stop
$816Multiple Airlines
Mon, Feb 9 - Mon, Feb 16
Multiple Airlines Logo
7:05 pm - 5:10 pm
PDX
-
ICN
29h 05m
1 stop
Multiple Airlines Logo
1:45 pm - 6:30 pm
ICN
-
PDX
21h 45m
2 stops
$820Multiple Airlines
Sun, Feb 15 - Thu, Feb 19
Multiple Airlines Logo
9:50 am - 9:30 pm
PDX
-
ICN
19h 40m
2 stops
Multiple Airlines Logo
8:05 pm - 9:30 am
ICN
-
PDX
29h 25m
2 stops
$827Multiple Airlines
Mon, Apr 20 - Mon, May 11
Multiple Airlines Logo
10:30 am - 9:35 pm
PDX
-
ICN
19h 05m
1 stop
Multiple Airlines Logo
6:20 pm - 9:30 am
ICN
-
PDX
31h 10m
1 stop
$830Multiple Airlines
Thu, Apr 9 - Mon, May 4
Multiple Airlines Logo
2:30 pm - 5:20 am
PDX
-
ICN
22h 50m
2 stops
Multiple Airlines Logo
6:20 pm - 9:30 am
ICN
-
PDX
31h 10m
1 stop
$831Multiple Airlines
Fri, Apr 10 - Mon, May 4
Multiple Airlines Logo
3:15 pm - 4:05 pm
PDX
-
ICN
32h 50m
1 stop
Multiple Airlines Logo
2:30 am - 9:30 am
ICN
-
PDX
23h 00m
2 stops
$834Multiple Airlines
Wed, Apr 29 - Sun, May 10

Air Canada flights from Portland to Incheon Intl Airport

Our best Air Canada deals on Portland to Incheon Intl Airport flight tickets
Air Canada
Apr 11
PDX7:05 pmPortland
29h 00m
1 stop
ICN4:05 pmIncheon Intl
Jun 13
ICN5:45 pmIncheon Intl
17h 20m
1 stop
PDX7:05 pmPortland
$798
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
$854
Air Canada
Apr 13
PDX7:05 pmPortland
29h 00m
1 stop
ICN4:05 pmIncheon Intl
Apr 23
ICN5:45 pmIncheon Intl
16h 45m
1 stop
PDX6:30 pmPortland
$857

United Airlines flights from Portland to Incheon Intl Airport

Our best United Airlines deals on Portland to Incheon Intl Airport flight tickets
United Airlines
Jan 21
PDX3:50 pmPortland
20h 50m
1 stop
ICN5:40 amIncheon Intl
Jan 25
ICN6:00 pmIncheon Intl
13h 48m
1 stop
PDX2:48 pmPortland
$917
United Airlines
Jan 20
PDX7:52 pmPortland
16h 48m
1 stop
ICN5:40 amIncheon Intl
Jan 22
ICN6:00 pmIncheon Intl
32h 45m
2 stops
PDX9:45 amPortland
$921

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 18, 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

Sun 5/3

7:45 pm-4:05 pm

1 stop28h 20m

Incheon Intl

Sun 6/14

2:30 am-9:30 am

2 stops23h 00m

$741

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/23

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Wed 5/6

2:30 am-9:30 am

2 stops23h 00m

$765

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

$766

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 4/11

7:05 pm-4:05 pm

1 stop29h 00m

Incheon Intl

Sat 6/13

5:45 pm-7:05 pm

1 stop17h 20m

$798

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 2/9

9:50 am-1:20 am

2 stops22h 30m

Incheon Intl

Mon 2/16

6:55 pm-2:40 pm

1 stop12h 45m

$816

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 2/15

7:05 pm-5:10 pm

1 stop29h 05m

Incheon Intl

Thu 2/19

1:45 pm-6:30 pm

2 stops21h 45m

$820

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 4/20

9:50 am-9:30 pm

2 stops19h 40m

Incheon Intl

Mon 5/11

8:05 pm-9:30 am

2 stops29h 25m

$827

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/9

10:30 am-9:35 pm

1 stop19h 05m

Incheon Intl

Mon 5/4

6:20 pm-9:30 am

1 stop31h 10m

$830

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 4/10

2:30 pm-5:20 am

2 stops22h 50m

Incheon Intl

Mon 5/4

6:20 pm-9:30 am

1 stop31h 10m

$831

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 4/29

3:15 pm-4:05 pm

1 stop32h 50m

Incheon Intl

Sun 5/10

2:30 am-9:30 am

2 stops23h 00m

$834

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 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 $914, 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 $970.

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 $1,127 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

15h 15m

Direct flights

None
The fastest flight from Portland to Incheon Intl Airport takes 15h 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 15h 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 $809Free CancellationRating
7.1
10,635 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
8.0
11,745 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,075 reviews
Search Delta flights
United AirlinesPriceFrom $907Free CancellationRating
7.4
9,176 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.1
502 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,086Free CancellationRating
8.4
1,187 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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