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Cheap flights from Portland to Incheon Intl Airport from $429

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 Incheon Intl Airport 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.
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0 bags

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Find the cheapest flights from Portland to Seoul

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Portland to Seoul.
 Logo
10:30 am - 8:30 pmPDX-ICN
18h 00m1 stop
 Logo
6:20 pm - 12:42 pmICN-PDX
34h 22m2 stops
Wed, Apr 30 - Wed, May 7
 Logo
10:30 am - 8:30 pmPDX-ICN
18h 00m1 stop
 Logo
6:20 pm - 9:35 pmICN-PDX
19h 15m1 stop
Wed, Apr 30 - Wed, May 7
Cathay Pacific Logo
7:30 pm - 2:05 pmPDX-ICN
26h 35m2 stops
Cathay Pacific Logo
8:05 pm - 9:25 amICN-PDX
29h 20m2 stops
$1,069Cathay Pacific
Find Deal
Mon, Sep 1 - Wed, Sep 10
Cathay Pacific Logo
7:00 am - 12:40 pmPDX-ICN
37h 40m2 stops
Cathay Pacific Logo
1:40 pm - 4:50 pmICN-PDX
43h 10m2 stops
$1,177Cathay Pacific
Find Deal
Sun, Aug 17 - Sun, Aug 31
Delta Logo
9:10 am - 4:30 pmPDX-ICN
15h 20m1 stop
Delta Logo
7:20 pm - 10:24 amICN-PDX
31h 04m1 stop
$1,356Delta
Find Deal
Sun, Aug 17 - Sun, Aug 31
Delta Logo
5:35 am - 4:30 pmPDX-ICN
18h 55m1 stop
Delta Logo
7:20 pm - 6:43 pmICN-PDX
15h 23m1 stop
$1,420Delta
Find Deal
Wed, May 7 - Wed, Jul 9
Hawaiian Airlines Logo
5:40 pm - 7:00 pmPDX-ICN
33h 20m1 stop
Hawaiian Airlines Logo
9:25 pm - 10:05 pmICN-PDX
16h 40m1 stop
$1,442Hawaiian Airlines
Find Deal
Sat, Jul 12 - Sun, Jul 20
United Airlines Logo
10:21 am - 4:20 amPDX-ICN
25h 59m1 stop
United Airlines Logo
4:50 pm - 12:30 amICN-PDX
23h 40m1 stop
$1,465United Airlines
Find Deal
Mon, Apr 21 - Mon, Apr 28
United Airlines Logo
8:45 am - 4:20 amPDX-ICN
27h 35m2 stops
United Airlines Logo
4:50 pm - 10:48 pmICN-PDX
21h 58m2 stops
$1,470United Airlines
Find Deal
Wed, Apr 23 - Fri, Apr 25
Hawaiian Airlines Logo
5:40 pm - 7:00 pmPDX-ICN
33h 20m1 stop
Hawaiian Airlines Logo
9:25 pm - 10:40 pmICN-PDX
17h 15m1 stop
$1,492Hawaiian Airlines
Find Deal
Fri, Jul 25 - Sun, Aug 31

Cathay Pacific flights from Portland to Incheon Intl Airport

Our best Cathay Pacific deals on Portland to Incheon Intl Airport flight tickets
Cathay Pacific
Sep 1
PDX7:30 pmPortland
26h 35m
2 stops
ICN2:05 pmIncheon Intl
Sep 10
ICN8:05 pmIncheon Intl
29h 20m
2 stops
PDX9:25 amPortland
Cathay Pacific
Apr 7
PDX12:57 pmPortland
33h 08m
2 stops
ICN2:05 pmIncheon Intl
Apr 14
ICN3:10 pmIncheon Intl
33h 22m
2 stops
PDX8:32 amPortland
Cathay Pacific
Aug 17
PDX7:00 amPortland
37h 40m
2 stops
ICN12:40 pmIncheon Intl
Aug 31
ICN1:40 pmIncheon Intl
43h 10m
2 stops
PDX4:50 pmPortland

WestJet flights from Portland to Incheon Intl Airport

Our best WestJet deals on Portland to Incheon Intl Airport flight tickets
WestJet
Aug 26
PDX1:45 pmPortland
37h 00m
1 stop
ICN6:45 pmIncheon Intl
Sep 4
ICN8:45 pmIncheon Intl
32h 03m
1 stop
PDX12:48 pmPortland
WestJet
Sep 24
PDX5:30 amPortland
21h 15m
2 stops
ICN6:45 pmIncheon Intl
Oct 6
ICN8:45 pmIncheon Intl
19h 06m
2 stops
PDX11:51 pmPortland
WestJet
Sep 23
PDX12:40 amPortland
26h 05m
2 stops
ICN6:45 pmIncheon Intl
Oct 6
ICN8:45 pmIncheon Intl
33h 54m
2 stops
PDX2:39 pmPortland

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 19 weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,226 when searching 19 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 $1,025 on momondo.

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

As of April 2025, prices for Portland to Incheon Intl Airport flights are approximately 18% 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

$429

Fastest flight time

13h 55m

Direct flights

None
The best one-way flight to Incheon Intl Airport from Portland in the past 72 hours is $429. The best round-trip flight deal from Portland to Incheon Intl Airport found on momondo in the last 72 hours is $777.
The fastest flight from Portland to Incheon Intl Airport takes 13h 55m
There are no direct flights from Portland to Incheon Intl Airport. Popular non-direct route for this connection is Portland Airport - 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 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 $403Free CancellationRating
7.9
2,347 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $809Free CancellationRating
7.0
9,035 reviews
Search Air Canada flights
United AirlinesPriceFrom $907Free CancellationRating
7.4
8,619 reviews
Search United Airlines flights
DeltaPriceFrom $907Free CancellationRating
8.0
7,897 reviews
Search Delta flights
Korean AirPriceFrom $1,090Free CancellationRating
8.4
1,052 reviews
Search Korean Air flights

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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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