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Cheap flights from Portland to Seoul from $401

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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
10:30 am - 6:35 pmPDX-ICN
15h 05m1 stop
Alaska Airlines Logo
8:35 pm - 4:43 pmICN-PDX
13h 08m1 stop
$799Alaska Airlines
Find Deal
mié., feb. 25 - jue., mar. 5
Alaska Airlines Logo
1:38 pm - 6:35 pmPDX-ICN
35h 57m1 stop
Alaska Airlines Logo
8:35 pm - 6:05 pmICN-PDX
14h 30m1 stop
$801Alaska Airlines
Find Deal
sáb., ene. 10 - vie., feb. 20
Alaska Airlines Logo
9:10 am - 6:35 pmPDX-ICN
16h 25m1 stop
Alaska Airlines Logo
8:35 pm - 4:43 pmICN-PDX
13h 08m1 stop
$807Alaska Airlines
Find Deal
sáb., ene. 10 - vie., feb. 20
Alaska Airlines Logo
10:30 am - 6:35 pmPDX-ICN
15h 05m1 stop
Alaska Airlines Logo
8:35 pm - 10:41 pmICN-PDX
19h 06m1 stop
$816Alaska Airlines
Find Deal
jue., feb. 26 - dom., mar. 1
Multiple Airlines Logo
9:10 am - 6:35 pmPDX-ICN
16h 25m1 stop
Multiple Airlines Logo
9:20 pm - 8:47 pmICN-PDX
16h 27m2 stops
$820Multiple Airlines
Find Deal
sáb., ene. 17 - dom., ene. 25
Alaska Airlines Logo
7:57 pm - 6:35 pmPDX-ICN
29h 38m1 stop
Alaska Airlines Logo
8:35 pm - 11:46 pmICN-PDX
20h 11m1 stop
$821Alaska Airlines
Find Deal
mié., feb. 25 - sáb., feb. 28
Alaska Airlines Logo
9:30 pm - 6:35 pmPDX-ICN
28h 05m1 stop
Alaska Airlines Logo
8:35 pm - 8:49 amICN-PDX
29h 14m1 stop
$826Alaska Airlines
Find Deal
sáb., ene. 10 - sáb., feb. 28
Air Canada Logo
9:50 am - 4:05 pmPDX-ICN
14h 15m1 stop
Air Canada Logo
5:45 pm - 6:46 pmICN-PDX
17h 01m1 stop
$827Air Canada
Find Deal
mié., abr. 29 - mié., may. 13
Air Canada Logo
7:00 pm - 4:05 pmPDX-ICN
29h 05m1 stop
Air Canada Logo
5:45 pm - 2:45 pmICN-PDX
13h 00m1 stop
$828Air Canada
Find Deal
mié., abr. 8 - mié., may. 6
Alaska Airlines Logo
9:10 am - 6:35 pmPDX-ICN
16h 25m1 stop
Alaska Airlines Logo
8:35 pm - 10:41 pmICN-PDX
19h 06m1 stop
$847Alaska Airlines
Find Deal
mié., feb. 4 - sáb., feb. 14

Alaska Airlines flights from Portland to Incheon Intl Airport

Our best Alaska Airlines deals on Portland to Incheon Intl Airport flight tickets
Alaska Airlines
Feb 25
PDX10:30 amPortland
15h 05m
1 stop
ICN6:35 pmIncheon Intl
Mar 5
ICN8:35 pmIncheon Intl
13h 08m
1 stop
PDX4:43 pmPortland
$799
Find similar
Alaska Airlines
Jan 10
PDX1:38 pmPortland
35h 57m
1 stop
ICN6:35 pmIncheon Intl
Feb 20
ICN8:35 pmIncheon Intl
14h 30m
1 stop
PDX6:05 pmPortland
$801
Find similar
Alaska Airlines
Jan 10
PDX9:10 amPortland
16h 25m
1 stop
ICN6:35 pmIncheon Intl
Feb 20
ICN8:35 pmIncheon Intl
13h 08m
1 stop
PDX4:43 pmPortland
$807
Find similar

Delta flights from Portland to Incheon Intl Airport

Our best Delta deals on Portland to Incheon Intl Airport flight tickets
Delta
Feb 3
PDX7:10 amPortland
16h 20m
1 stop
ICN4:30 pmIncheon Intl
Jun 8
ICN7:20 pmIncheon Intl
13h 13m
1 stop
PDX4:33 pmPortland
$916
Find similar
Delta
Feb 2
PDX7:37 pmPortland
27h 53m
1 stop
ICN4:30 pmIncheon Intl
Jun 12
ICN7:20 pmIncheon Intl
17h 29m
1 stop
PDX8:49 pmPortland
$921
Find similar
Delta
Dec 3
PDX12:32 amPortland
21h 58m
1 stop
ICN3:30 pmIncheon Intl
Dec 10
ICN8:05 pmIncheon Intl
15h 45m
1 stop
PDX6:50 pmPortland
$1,181
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 noviembre 26, 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

mié. 2/25

10:30 am-6:35 pm

1 stop15h 05m

Incheon Intl

jue. 3/5

8:35 pm-4:43 pm

1 stop13h 08m

$799

PortlandIncheon

PDX - ICN

PDXICN

Portland

sáb. 1/10

1:38 pm-6:35 pm

1 stop35h 57m

Incheon Intl

vie. 2/20

8:35 pm-6:05 pm

1 stop14h 30m

$801

PortlandIncheon

PDX - ICN

PDXICN

Portland

sáb. 1/10

9:10 am-6:35 pm

1 stop16h 25m

Incheon Intl

vie. 2/20

8:35 pm-4:43 pm

1 stop13h 08m

$807

PortlandIncheon

PDX - ICN

PDXICN

Portland

jue. 2/26

10:30 am-6:35 pm

1 stop15h 05m

Incheon Intl

dom. 3/1

8:35 pm-10:41 pm

1 stop19h 06m

$816

PortlandIncheon

PDX - ICN

PDXICN

Portland

sáb. 1/17

9:10 am-6:35 pm

1 stop16h 25m

Incheon Intl

dom. 1/25

9:20 pm-8:47 pm

2 stops16h 27m

$820

PortlandIncheon

PDX - ICN

PDXICN

Portland

mié. 2/25

7:57 pm-6:35 pm

1 stop29h 38m

Incheon Intl

sáb. 2/28

8:35 pm-11:46 pm

1 stop20h 11m

$821

PortlandIncheon

PDX - ICN

PDXICN

Portland

sáb. 1/10

9:30 pm-6:35 pm

1 stop28h 05m

Incheon Intl

sáb. 2/28

8:35 pm-8:49 am

1 stop29h 14m

$826

PortlandIncheon

PDX - ICN

PDXICN

Portland

mié. 4/29

9:50 am-4:05 pm

1 stop14h 15m

Incheon Intl

mié. 5/13

5:45 pm-6:46 pm

1 stop17h 01m

$827

PortlandIncheon

PDX - ICN

PDXICN

Portland

mié. 4/8

7:00 pm-4:05 pm

1 stop29h 05m

Incheon Intl

mié. 5/6

5:45 pm-2:45 pm

1 stop13h 00m

$828

PortlandIncheon

PDX - ICN

PDXICN

Portland

mié. 2/4

9:10 am-6:35 pm

1 stop16h 25m

Incheon Intl

sáb. 2/14

8:35 pm-10:41 pm

1 stop19h 06m

$847

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 $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 $1,003.

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 $1,160 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 November 2025, prices for Portland to Incheon Intl Airport flights are approximately 7% 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 15m

Direct flights

None
The fastest flight from Portland to Incheon Intl Airport takes 14h 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 13h 55m, 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 $809Free CancellationRating
7.1
10,481 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $847Free CancellationRating
8.0
11,359 reviews
Search Alaska Airlines flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,003 reviews
Search Delta flights
United AirlinesPriceFrom $907Free CancellationRating
7.4
9,049 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.2
490 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,172 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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