Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Seoul from $475

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 9/1. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m
1 stop
Air Canada Logo
5:45 pm - 2:45 pm
ICN
-
PDX
13h 00m
1 stop
$906Air Canada
Mon, Apr 27 - Tue, Jun 9
Air Canada Logo
7:45 pm - 4:05 pm
PDX
-
ICN
28h 20m
1 stop
Air Canada Logo
6:55 pm - 6:30 pm
ICN
-
PDX
16h 35m
1 stop
$907Air Canada
Tue, Sep 1 - Mon, Nov 30
Multiple Airlines Logo
7:45 pm - 2:05 pm
PDX
-
ICN
26h 20m
2 stops
Multiple Airlines Logo
6:55 pm - 6:30 pm
ICN
-
PDX
16h 35m
1 stop
$934Multiple Airlines
Tue, Sep 1 - Mon, Nov 30
Air Canada Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m
1 stop
Air Canada Logo
5:45 pm - 2:45 pm
ICN
-
PDX
13h 00m
1 stop
$935Air Canada
Mon, Apr 27 - Wed, May 13
Asiana Airlines Logo
7:45 pm - 4:05 pm
PDX
-
ICN
28h 20m
1 stop
Asiana Airlines Logo
5:45 pm - 2:51 pm
ICN
-
PDX
13h 06m
1 stop
$937Asiana Airlines
Sun, Sep 27 - Tue, Oct 13
Multiple Airlines Logo
3:15 pm - 4:05 pm
PDX
-
ICN
32h 50m
1 stop
Multiple Airlines Logo
2:50 pm - 7:10 pm
ICN
-
PDX
20h 20m
2 stops
$939Multiple Airlines
Mon, Apr 27 - Tue, Jun 9
Air Canada Logo
7:45 pm - 4:05 pm
PDX
-
ICN
28h 20m
1 stop
Air Canada Logo
5:45 pm - 7:06 pm
ICN
-
PDX
17h 21m
1 stop
$944Air Canada
Tue, Sep 22 - Fri, Oct 16
Air Canada Logo
7:45 pm - 4:05 pm
PDX
-
ICN
28h 20m
1 stop
Air Canada Logo
5:45 pm - 2:51 pm
ICN
-
PDX
13h 06m
1 stop
$945Air Canada
Sun, Sep 27 - Sat, Oct 10
Air Canada Logo
9:50 am - 4:05 pm
PDX
-
ICN
14h 15m
1 stop
Air Canada Logo
5:45 pm - 2:45 pm
ICN
-
PDX
13h 00m
1 stop
$949Air Canada
Mon, Apr 27 - Wed, May 13
Air Canada Logo
7:45 pm - 4:05 pm
PDX
-
ICN
28h 20m
1 stop
Air Canada Logo
5:45 pm - 2:51 pm
ICN
-
PDX
13h 06m
1 stop
$955Air Canada
Wed, Sep 30 - Sun, Oct 11

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 27
PDX9:50 amPortland
14h 15m
1 stop
ICN4:05 pmIncheon Intl
Jun 9
ICN5:45 pmIncheon Intl
13h 00m
1 stop
PDX2:45 pmPortland
$906
Air Canada
Sep 1
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
Nov 30
ICN6:55 pmIncheon Intl
16h 35m
1 stop
PDX6:30 pmPortland
$907
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
$935

Asiana Airlines flights from Portland to Incheon Intl Airport

Our best Asiana Airlines deals on Portland to Incheon Intl Airport flight tickets
Asiana Airlines
Sep 27
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
Oct 13
ICN5:45 pmIncheon Intl
13h 06m
1 stop
PDX2:51 pmPortland
$937
Asiana Airlines
Sep 27
PDX3:30 pmPortland
32h 35m
1 stop
ICN4:05 pmIncheon Intl
Oct 9
ICN5:45 pmIncheon Intl
13h 06m
1 stop
PDX2:51 pmPortland
$975

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 April 6, 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

Cheapest round-trip
Quickest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 4/27

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Tue 6/9

5:45 pm-2:45 pm

1 stop13h 00m

$906

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 9/1

7:45 pm-4:05 pm

1 stop28h 20m

Incheon Intl

Mon 11/30

6:55 pm-6:30 pm

1 stop16h 35m

$907

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 9/1

7:45 pm-2:05 pm

2 stops26h 20m

Incheon Intl

Mon 11/30

6:55 pm-6:30 pm

1 stop16h 35m

$934

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 4/27

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Wed 5/13

5:45 pm-2:45 pm

1 stop13h 00m

$935

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 9/27

7:45 pm-4:05 pm

1 stop28h 20m

Incheon Intl

Tue 10/13

5:45 pm-2:51 pm

1 stop13h 06m

$937

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 4/27

3:15 pm-4:05 pm

1 stop32h 50m

Incheon Intl

Tue 6/9

2:50 pm-7:10 pm

2 stops20h 20m

$939

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 9/22

7:45 pm-4:05 pm

1 stop28h 20m

Incheon Intl

Fri 10/16

5:45 pm-7:06 pm

1 stop17h 21m

$944

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 9/27

7:45 pm-4:05 pm

1 stop28h 20m

Incheon Intl

Sat 10/10

5:45 pm-2:51 pm

1 stop13h 06m

$945

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 4/27

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

Wed 5/13

5:45 pm-2:45 pm

1 stop13h 00m

$949

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 9/30

7:45 pm-4:05 pm

1 stop28h 20m

Incheon Intl

Sun 10/11

5:45 pm-2:51 pm

1 stop13h 06m

$955

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 August is also very affordable. Most momondo users find prices during this month for around $1,008.

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 $1,204 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 $843 on momondo.

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

As of April 2026, prices for Portland to Incheon Intl Airport flights are approximately 0% 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

17h 28m

Direct flights

None
The fastest flight from Portland to Incheon Intl Airport takes 17h 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

Frequently asked questions about flying from Portland to Incheon Intl Airport

  • 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 17h 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 $791Free CancellationRating
7.1
10,897 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
7.9
12,179 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,388 reviews
Search Delta flights
Asiana AirlinesPriceFrom $881Free CancellationRating
8.1
510 reviews
Search Asiana Airlines flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
9,546 reviews
Search United Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,203 reviews
Search Korean Air flights

Traveling to a place near Seoul?

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

An easier way to manage your Incheon Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 5/6
Wed 5/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Seoul

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo
Flights to Seoul Gimpo Intl Airportfrom $838