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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 8/23. 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
7:00 am - 6:00 am
PDX
-
ICN
31h 00m
2 stops
Multiple Airlines Logo
8:30 pm - 10:09 am
ICN
-
PDX
53h 39m
2 stops
$874Multiple Airlines
Fri, Aug 21 - Tue, Sep 1
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
Tue, May 5 - Tue, Oct 6
Multiple Airlines Logo
10:31 am - 9:40 pm
PDX
-
ICN
19h 09m
1 stop
Multiple Airlines Logo
10:20 am - 4:50 pm
ICN
-
PDX
22h 30m
2 stops
$950Multiple Airlines
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
9:46 pm - 9:40 pm
PDX
-
ICN
31h 54m
1 stop
Multiple Airlines Logo
9:50 am - 4:43 pm
ICN
-
PDX
22h 53m
2 stops
$952Multiple Airlines
Wed, May 13 - Tue, May 19
Air Canada Logo
3:30 pm - 4:05 pm
PDX
-
ICN
32h 35m
1 stop
Air Canada Logo
5:45 pm - 7:10 pm
ICN
-
PDX
17h 25m
1 stop
$955Air Canada
Sun, May 10 - Mon, Jun 8
Multiple Airlines Logo
3:30 pm - 4:05 pm
PDX
-
ICN
32h 35m
1 stop
Multiple Airlines Logo
7:35 pm - 2:51 pm
ICN
-
PDX
35h 16m
2 stops
$961Multiple Airlines
Sun, Sep 20 - Mon, Oct 5
Multiple Airlines Logo
7:45 pm - 2:05 pm
PDX
-
ICN
26h 20m
2 stops
Multiple Airlines Logo
5:45 pm - 2:51 pm
ICN
-
PDX
13h 06m
1 stop
$972Multiple Airlines
Tue, Sep 22 - Tue, Oct 20
Multiple Airlines Logo
9:46 pm - 9:40 pm
PDX
-
ICN
31h 54m
1 stop
Multiple Airlines Logo
7:10 am - 9:57 pm
ICN
-
PDX
30h 47m
2 stops
$979Multiple Airlines
Wed, May 13 - Tue, Jun 9
Multiple Airlines Logo
9:46 pm - 9:40 pm
PDX
-
ICN
31h 54m
1 stop
Multiple Airlines Logo
7:10 am - 1:48 pm
ICN
-
PDX
22h 38m
2 stops
$982Multiple Airlines
Wed, May 13 - Wed, Jun 10
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
$987Air Canada
Sun, Sep 27 - Sat, Oct 10

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Air Canada flights from Portland to Incheon Intl Airport

Our best Air Canada deals on Portland to Incheon Intl Airport flight tickets
Air Canada
May 5
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
Oct 6
ICN5:45 pmIncheon Intl
13h 06m
1 stop
PDX2:51 pmPortland
$945
Air Canada
May 10
PDX3:30 pmPortland
32h 35m
1 stop
ICN4:05 pmIncheon Intl
Jun 8
ICN5:45 pmIncheon Intl
17h 25m
1 stop
PDX7:10 pmPortland
$955
Air Canada
Sep 27
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
Oct 10
ICN5:45 pmIncheon Intl
13h 06m
1 stop
PDX2:51 pmPortland
$987

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 21, 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

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 8/21

7:00 am-6:00 am

2 stops31h 00m

Incheon Intl

Tue 9/1

8:30 pm-10:09 am

2 stops53h 39m

$874

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 5/5

7:45 pm-4:05 pm

1 stop28h 20m

Incheon Intl

Tue 10/6

5:45 pm-2:51 pm

1 stop13h 06m

$945

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 5/12

10:31 am-9:40 pm

1 stop19h 09m

Incheon Intl

Tue 5/19

10:20 am-4:50 pm

2 stops22h 30m

$950

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 5/13

9:46 pm-9:40 pm

1 stop31h 54m

Incheon Intl

Tue 5/19

9:50 am-4:43 pm

2 stops22h 53m

$952

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 5/10

3:30 pm-4:05 pm

1 stop32h 35m

Incheon Intl

Mon 6/8

5:45 pm-7:10 pm

1 stop17h 25m

$955

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 9/20

3:30 pm-4:05 pm

1 stop32h 35m

Incheon Intl

Mon 10/5

7:35 pm-2:51 pm

2 stops35h 16m

$961
Quickest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 9/22

7:45 pm-2:05 pm

2 stops26h 20m

Incheon Intl

Tue 10/20

5:45 pm-2:51 pm

1 stop13h 06m

$972

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 5/13

9:46 pm-9:40 pm

1 stop31h 54m

Incheon Intl

Tue 6/9

7:10 am-9:57 pm

2 stops30h 47m

$979

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 5/13

9:46 pm-9:40 pm

1 stop31h 54m

Incheon Intl

Wed 6/10

7:10 am-1:48 pm

2 stops22h 38m

$982

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

$987

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 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 $1,206 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 2% 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

14h 05m

Direct flights

None
The fastest flight from Portland to Incheon Intl Airport takes 14h 05m
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 14h 05m, 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
10,947 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $815Free CancellationRating
7.9
12,268 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,433 reviews
Search Delta flights
Asiana AirlinesPriceFrom $881Free CancellationRating
8.0
519 reviews
Search Asiana Airlines flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
9,611 reviews
Search United Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,212 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.

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