Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Seoul from $395

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 12/2. 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

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.
Multiple Airlines Logo
5:40 pm - 9:45 amPDX-ICN
47h 05m2 stops
Multiple Airlines Logo
6:55 pm - 9:49 amICN-PDX
31h 54m1 stop
$731Multiple Airlines
Find Deal
Sat, Jan 24 - Mon, Feb 2
Multiple Airlines Logo
5:40 pm - 9:45 amPDX-ICN
47h 05m2 stops
Multiple Airlines Logo
6:55 pm - 1:30 pmICN-PDX
35h 35m1 stop
$745Multiple Airlines
Find Deal
Thu, Jan 29 - Mon, Feb 9
Multiple Airlines Logo
10:30 am - 11:00 amPDX-ICN
55h 30m2 stops
Multiple Airlines Logo
6:55 pm - 9:49 amICN-PDX
31h 54m1 stop
$750Multiple Airlines
Find Deal
Sun, Jan 25 - Mon, Feb 2
Air Canada Logo
7:00 pm - 5:10 pmPDX-ICN
29h 10m1 stop
Air Canada Logo
6:55 pm - 6:30 pmICN-PDX
16h 35m1 stop
$813Air Canada
Find Deal
Sun, Nov 16 - Tue, Dec 2
Alaska Airlines Logo
9:10 am - 6:35 pmPDX-ICN
16h 25m1 stop
Alaska Airlines Logo
8:35 pm - 8:47 pmICN-PDX
17h 12m1 stop
$816Alaska Airlines
Find Deal
Wed, Jan 28 - Sun, Feb 8
Alaska Airlines Logo
5:35 pm - 6:35 pmPDX-ICN
32h 00m1 stop
Alaska Airlines Logo
8:35 pm - 12:03 amICN-PDX
20h 28m1 stop
$821Alaska Airlines
Find Deal
Tue, Jan 27 - Thu, Feb 12
Alaska Airlines Logo
7:10 am - 6:35 pmPDX-ICN
18h 25m1 stop
Alaska Airlines Logo
8:35 pm - 7:08 pmICN-PDX
15h 33m1 stop
$843Alaska Airlines
Find Deal
Sun, Jan 25 - Thu, Feb 12
Air Canada Logo
7:00 pm - 5:10 pmPDX-ICN
29h 10m1 stop
Air Canada Logo
5:55 pm - 6:30 pmICN-PDX
17h 35m1 stop
$850Air Canada
Find Deal
Tue, Feb 17 - Wed, Feb 25
Air Canada Logo
7:00 pm - 4:15 pmPDX-ICN
29h 15m1 stop
Air Canada Logo
5:45 pm - 6:30 pmICN-PDX
16h 45m1 stop
$868Air Canada
Find Deal
Sun, Mar 22 - Wed, Apr 1
Air Canada Logo
7:00 pm - 5:10 pmPDX-ICN
29h 10m1 stop
Air Canada Logo
6:55 pm - 6:30 pmICN-PDX
16h 35m1 stop
$878Air Canada
Find Deal
Tue, Nov 18 - Mon, Dec 1

Air Canada flights from Portland to Incheon Intl Airport

Our best Air Canada deals on Portland to Incheon Intl Airport flight tickets
Air Canada
Nov 9
PDX7:00 pmPortland
29h 10m
1 stop
ICN5:10 pmIncheon Intl
Nov 24
ICN6:55 pmIncheon Intl
12h 45m
1 stop
PDX2:40 pmPortland
$812
Find similar
Air Canada
Nov 16
PDX7:00 pmPortland
29h 10m
1 stop
ICN5:10 pmIncheon Intl
Dec 2
ICN6:55 pmIncheon Intl
16h 35m
1 stop
PDX6:30 pmPortland
$813
Find similar
Air Canada
Nov 10
PDX7:00 pmPortland
29h 10m
1 stop
ICN5:10 pmIncheon Intl
Jun 3
ICN5:45 pmIncheon Intl
17h 01m
1 stop
PDX6:46 pmPortland
$831
Find similar

Alaska Airlines flights from Portland to Incheon Intl Airport

Our best Alaska Airlines deals on Portland to Incheon Intl Airport flight tickets
Alaska Airlines
Jan 28
PDX9:10 amPortland
16h 25m
1 stop
ICN6:35 pmIncheon Intl
Feb 8
ICN8:35 pmIncheon Intl
17h 12m
1 stop
PDX8:47 pmPortland
$816
Find similar
Alaska Airlines
Jan 27
PDX5:35 pmPortland
32h 00m
1 stop
ICN6:35 pmIncheon Intl
Feb 12
ICN8:35 pmIncheon Intl
20h 28m
1 stop
PDX12:03 amPortland
$821
Find similar
Alaska Airlines
Jan 25
PDX7:10 amPortland
18h 25m
1 stop
ICN6:35 pmIncheon Intl
Feb 12
ICN8:35 pmIncheon Intl
15h 33m
1 stop
PDX7:08 pmPortland
$843
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 November 5, 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 1/24

5:40 pm-9:45 am

2 stops47h 05m

Incheon Intl

Mon 2/2

6:55 pm-9:49 am

1 stop31h 54m

$731

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 1/29

5:40 pm-9:45 am

2 stops47h 05m

Incheon Intl

Mon 2/9

6:55 pm-1:30 pm

1 stop35h 35m

$745

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 1/25

10:30 am-11:00 am

2 stops55h 30m

Incheon Intl

Mon 2/2

6:55 pm-9:49 am

1 stop31h 54m

$750

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 11/16

7:00 pm-5:10 pm

1 stop29h 10m

Incheon Intl

Tue 12/2

6:55 pm-6:30 pm

1 stop16h 35m

$813

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 1/28

9:10 am-6:35 pm

1 stop16h 25m

Incheon Intl

Sun 2/8

8:35 pm-8:47 pm

1 stop17h 12m

$816

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 1/27

5:35 pm-6:35 pm

1 stop32h 00m

Incheon Intl

Thu 2/12

8:35 pm-12:03 am

1 stop20h 28m

$821

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 1/25

7:10 am-6:35 pm

1 stop18h 25m

Incheon Intl

Thu 2/12

8:35 pm-7:08 pm

1 stop15h 33m

$843

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 2/17

7:00 pm-5:10 pm

1 stop29h 10m

Incheon Intl

Wed 2/25

5:55 pm-6:30 pm

1 stop17h 35m

$850

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 3/22

7:00 pm-4:15 pm

1 stop29h 15m

Incheon Intl

Wed 4/1

5:45 pm-6:30 pm

1 stop16h 45m

$868

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 11/18

7:00 pm-5:10 pm

1 stop29h 10m

Incheon Intl

Mon 12/1

6:55 pm-6:30 pm

1 stop16h 35m

$878

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 $957, 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 $1,030.

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 $1,172 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 $989 on momondo.

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

As of November 2025, prices for Portland to Incheon Intl Airport flights are approximately 3% 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

Direct flights

None
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
2,804 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $809Free CancellationRating
7.1
10,409 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $847Free CancellationRating
8.0
11,242 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,004 reviews
Search Delta flights
United AirlinesPriceFrom $907Free CancellationRating
7.4
9,004 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.2
484 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,160 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.

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
Fri 12/5
Fri 12/12
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 $747