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Cheap flights from Portland to Seoul from $452

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 2/10. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$736Air Canada
Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
7:30 am - 8:30 pm
PDX
-
ICN
20h 00m1 stop
Multiple Airlines Logo
6:55 pm - 1:50 pm
ICN
-
PDX
35h 55m1 stop
$827Multiple Airlines
Fri, Jan 9 - Mon, Feb 16
Multiple Airlines Logo
9:04 pm - 9:35 pm
PDX
-
ICN
31h 31m2 stops
Multiple Airlines Logo
6:55 pm - 9:42 am
ICN
-
PDX
31h 47m1 stop
$829Multiple Airlines
Fri, Jan 9 - Mon, Feb 16
Multiple Airlines Logo
2:40 pm - 8:30 pm
PDX
-
ICN
36h 50m1 stop
Multiple Airlines Logo
6:55 pm - 1:50 pm
ICN
-
PDX
35h 55m1 stop
$833Multiple Airlines
Sat, Jan 10 - Mon, Feb 16
Multiple Airlines Logo
5:51 pm - 8:30 pm
PDX
-
ICN
33h 39m1 stop
Multiple Airlines Logo
9:20 pm - 10:46 pm
ICN
-
PDX
18h 26m2 stops
$843Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
Multiple Airlines Logo
8:00 am - 8:30 pm
PDX
-
ICN
19h 30m1 stop
Multiple Airlines Logo
9:20 pm - 8:47 pm
ICN
-
PDX
16h 27m2 stops
$846Multiple Airlines
Sat, Jan 24 - Sat, Feb 7
Multiple Airlines Logo
5:49 pm - 4:20 pm
PDX
-
ICN
29h 31m1 stop
Multiple Airlines Logo
6:55 pm - 11:20 pm
ICN
-
PDX
20h 25m1 stop
$847Multiple Airlines
Fri, Mar 6 - Fri, Mar 20
Air Canada Logo
7:00 pm - 5:10 pm
PDX
-
ICN
29h 10m1 stop
Air Canada Logo
6:55 pm - 6:30 pm
ICN
-
PDX
16h 35m1 stop
$850Air Canada
Tue, Jan 20 - Thu, Feb 5
Air Canada Logo
7:00 pm - 5:10 pm
PDX
-
ICN
29h 10m1 stop
Air Canada Logo
6:55 pm - 6:30 pm
ICN
-
PDX
16h 35m1 stop
$851Air Canada
Sun, Feb 15 - Thu, Mar 5
Multiple Airlines Logo
3:25 pm - 4:05 pm
PDX
-
ICN
32h 40m1 stop
Multiple Airlines Logo
2:30 am - 9:35 am
ICN
-
PDX
23h 05m2 stops
$852Multiple Airlines
Mon, May 4 - Sun, Jun 7

Air Canada flights from Portland to Incheon Intl Airport

Our best Air Canada deals on Portland to Incheon Intl Airport flight tickets
Air Canada
Jan 17
PDX7:00 pmPortland
29h 10m
1 stop
ICN5:10 pmIncheon Intl
Jan 24
ICN6:55 pmIncheon Intl
12h 45m
1 stop
PDX2:40 pmPortland
$736
Find similar
Air Canada
Jan 20
PDX7:00 pmPortland
29h 10m
1 stop
ICN5:10 pmIncheon Intl
Feb 5
ICN6:55 pmIncheon Intl
16h 35m
1 stop
PDX6:30 pmPortland
$850
Find similar
Air Canada
Feb 15
PDX7:00 pmPortland
29h 10m
1 stop
ICN5:10 pmIncheon Intl
Mar 5
ICN6:55 pmIncheon Intl
16h 35m
1 stop
PDX6:30 pmPortland
$851
Find similar

United Airlines flights from Portland to Incheon Intl Airport

Our best United Airlines deals on Portland to Incheon Intl Airport flight tickets
United Airlines
Dec 7
PDX4:00 pmPortland
31h 15m
1 stop
ICN4:15 pmIncheon Intl
Dec 9
ICN7:25 pmIncheon Intl
46h 12m
2 stops
PDX12:37 amPortland
$777
Find similar
United Airlines
Dec 6
PDX10:10 amPortland
26h 30m
1 stop
ICN5:40 amIncheon Intl
Dec 8
ICN9:00 amIncheon Intl
43h 03m
2 stops
PDX11:03 amPortland
$960
Find similar
United Airlines
Dec 7
PDX5:00 amPortland
31h 40m
2 stops
ICN5:40 amIncheon Intl
Dec 9
ICN6:00 pmIncheon Intl
32h 38m
2 stops
PDX9:38 amPortland
$1,134
Find similar

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 December 4, 2025.
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

Sat 1/17

7:00 pm-5:10 pm

1 stop29h 10m

Incheon Intl

Sat 1/24

6:55 pm-2:40 pm

1 stop12h 45m

$736

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 1/9

7:30 am-8:30 pm

1 stop20h 00m

Incheon Intl

Mon 2/16

6:55 pm-1:50 pm

1 stop35h 55m

$827

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 1/9

9:04 pm-9:35 pm

2 stops31h 31m

Incheon Intl

Mon 2/16

6:55 pm-9:42 am

1 stop31h 47m

$829

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 1/10

2:40 pm-8:30 pm

1 stop36h 50m

Incheon Intl

Mon 2/16

6:55 pm-1:50 pm

1 stop35h 55m

$833

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 1/20

5:51 pm-8:30 pm

1 stop33h 39m

Incheon Intl

Tue 1/27

9:20 pm-10:46 pm

2 stops18h 26m

$843

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 1/24

8:00 am-8:30 pm

1 stop19h 30m

Incheon Intl

Sat 2/7

9:20 pm-8:47 pm

2 stops16h 27m

$846

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 3/6

5:49 pm-4:20 pm

1 stop29h 31m

Incheon Intl

Fri 3/20

6:55 pm-11:20 pm

1 stop20h 25m

$847

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-6:30 pm

1 stop16h 35m

$850

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 2/15

7:00 pm-5:10 pm

1 stop29h 10m

Incheon Intl

Thu 3/5

6:55 pm-6:30 pm

1 stop16h 35m

$851

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 5/4

3:25 pm-4:05 pm

1 stop32h 40m

Incheon Intl

Sun 6/7

2:30 am-9:35 am

2 stops23h 05m

$852

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 April is also very affordable. Most momondo users find prices during this month for around $1,003.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from Portland to Incheon Intl Airport is on a Monday when prices can be found for as low as $1,346. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,477. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

In the afternoon is the cheapest time of day to fly from Portland to Incheon Intl Airport when you can find flight prices for as low as $886. Flying to Incheon Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,498 on average. Flights to Incheon Intl Airport from Portland in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,161 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 $994 on momondo.

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

As of December 2025, prices for Portland to Incheon Intl Airport flights are approximately 23% 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 20m

Direct flights

None
The fastest flight from Portland to Incheon Intl Airport takes 14h 20m
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
Hawaiian AirlinesPriceFrom $767Free CancellationRating
7.8
2,815 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $806Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $847Free CancellationRating
8.0
11,396 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $907Free CancellationRating
7.4
9,063 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.2
490 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,179 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
Seongnam
Daejeon
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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