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Cheap flights from Portland to Seoul from $406

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 8/18. 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

Hawaiian Airlines Logo
5:55 pm - 7:00 pmPDX-ICN
33h 05m1 stop
Hawaiian Airlines Logo
9:25 pm - 10:40 pmICN-PDX
17h 15m1 stop
$757Hawaiian Airlines
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Sat, Aug 23 - Fri, Sep 5
Alaska Airlines Logo
1:24 pm - 7:00 pmPDX-ICN
37h 36m2 stops
Alaska Airlines Logo
9:25 pm - 1:47 pmICN-PDX
32h 22m2 stops
$779Alaska Airlines
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Sat, Aug 23 - Fri, Sep 5
Logo
10:05 am - 9:40 pmPDX-ICN
19h 35m2 stops
Logo
8:30 am - 2:46 pmICN-PDX
22h 16m2 stops
$874
Find Deal
Mon, Sep 1 - Tue, Sep 16
Logo
7:00 am - 8:30 pmPDX-ICN
20h 30m1 stop
Logo
6:55 pm - 8:50 pmICN-PDX
18h 55m1 stop
$881
Find Deal
Wed, Nov 12 - Wed, Nov 19
Air Canada Logo
6:15 am - 4:05 pmPDX-ICN
17h 50m1 stop
Air Canada Logo
5:45 pm - 6:46 pmICN-PDX
17h 01m1 stop
$887Air Canada
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Mon, Sep 1 - Tue, Sep 16
Air Canada Logo
10:00 am - 4:05 pmPDX-ICN
14h 05m1 stop
Air Canada Logo
5:45 pm - 6:46 pmICN-PDX
17h 01m1 stop
$898Air Canada
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Tue, Sep 9 - Mon, Sep 15
United Airlines Logo
7:35 pm - 4:20 amPDX-ICN
16h 45m1 stop
United Airlines Logo
11:30 am - 2:42 pmICN-PDX
19h 12m1 stop
$910United Airlines
Find Deal
Sun, Sep 7 - Mon, Sep 15
United Airlines Logo
3:44 pm - 4:20 amPDX-ICN
20h 36m1 stop
United Airlines Logo
4:50 pm - 6:32 pmICN-PDX
17h 42m1 stop
$911United Airlines
Find Deal
Mon, Sep 1 - Sat, Sep 20
Delta Logo
5:30 am - 4:30 pmPDX-ICN
19h 00m1 stop
Delta Logo
7:20 pm - 4:59 pmICN-PDX
13h 39m1 stop
$961Delta
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Sun, Aug 17 - Sun, Aug 31
Delta Logo
11:14 am - 4:30 pmPDX-ICN
13h 16m1 stop
Delta Logo
7:20 pm - 11:52 pmICN-PDX
20h 32m1 stop
$962Delta
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Sat, Aug 23 - Sat, Aug 30

Hawaiian Airlines flights from Portland to Incheon Intl Airport

Our best Hawaiian Airlines deals on Portland to Incheon Intl Airport flight tickets
Hawaiian Airlines
Aug 23
PDX5:55 pmPortland
33h 05m
1 stop
ICN7:00 pmIncheon Intl
Sep 5
ICN9:25 pmIncheon Intl
17h 15m
1 stop
PDX10:40 pmPortland
$757
Find similar
Hawaiian Airlines
Aug 23
PDX5:55 pmPortland
33h 05m
1 stop
ICN7:00 pmIncheon Intl
Sep 5
ICN9:25 pmIncheon Intl
34h 58m
1 stop
PDX4:23 pmPortland
$785
Find similar
Hawaiian Airlines
Aug 23
PDX5:55 pmPortland
33h 05m
1 stop
ICN7:00 pmIncheon Intl
Aug 27
ICN9:25 pmIncheon Intl
34h 58m
1 stop
PDX4:23 pmPortland
$820
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
Aug 23
PDX1:24 pmPortland
37h 36m
2 stops
ICN7:00 pmIncheon Intl
Sep 5
ICN9:25 pmIncheon Intl
32h 22m
2 stops
PDX1:47 pmPortland
$779
Find similar
Alaska Airlines
Aug 23
PDX1:24 pmPortland
37h 36m
2 stops
ICN7:00 pmIncheon Intl
Sep 5
ICN9:25 pmIncheon Intl
29h 32m
2 stops
PDX10:57 amPortland
$789
Find similar
Alaska Airlines
Aug 23
PDX5:35 pmPortland
33h 25m
2 stops
ICN7:00 pmIncheon Intl
Aug 27
ICN9:25 pmIncheon Intl
27h 57m
2 stops
PDX9:22 amPortland
$791
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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 cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Portland is in January. Flight prices, which tend to average around $916, 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 January, then departing from Portland during the month February is also very affordable. Most momondo users find prices during this month for around $957.

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 $1,182 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 July 2025, prices for Portland to Incheon Intl Airport flights are approximately 4% 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

Best Price Found

$406

Fastest flight time

13h 16m

Direct flights

None
The best one-way flight to Incheon Intl Airport from Portland in the past 72 hours is $406. The best round-trip flight deal from Portland to Incheon Intl Airport found on momondo in the last 72 hours is $757.
The fastest flight from Portland to Incheon Intl Airport takes 13h 16m
There are no direct flights from Portland to Incheon Intl Airport. Popular non-direct route for this connection is Portland Airport - Incheon Intl Airport.
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  • 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 16m, 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 $403Free CancellationRating
7.8
2,562 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $809Free CancellationRating
7.1
9,695 reviews
Search Air Canada flights
DeltaPriceFrom $849Free CancellationRating
8.0
7,951 reviews
Search Delta flights
United AirlinesPriceFrom $907Free CancellationRating
7.4
8,846 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $912Free CancellationRating
8.2
454 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,082Free CancellationRating
8.4
1,105 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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