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Cheap flights from Incheon Intl Airport to Portland from $360

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Incheon Intl Airport to Portland departing on 11/16. 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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Find the cheapest flights from Incheon Intl Airport to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:55 pm - 6:30 pmICN-PDX
16h 35m1 stop
Air Canada Logo
3:15 pm - 4:00 pmPDX-ICN
31h 45m1 stop
$550Air Canada
Find Deal
Mon, Feb 9 - Mon, Feb 16
Air Canada Logo
6:55 pm - 6:30 pmICN-PDX
16h 35m1 stop
Air Canada Logo
9:50 am - 5:10 pmPDX-ICN
14h 20m1 stop
$554Air Canada
Find Deal
Wed, Nov 26 - Fri, Dec 5
Hawaiian Airlines Logo
8:35 pm - 5:59 pmICN-PDX
14h 24m1 stop
Hawaiian Airlines Logo
10:30 am - 6:35 pmPDX-ICN
15h 05m1 stop
$569Hawaiian Airlines
Find Deal
Mon, Jan 19 - Wed, Jan 28
Hawaiian Airlines Logo
8:35 pm - 8:47 pmICN-PDX
17h 12m1 stop
Hawaiian Airlines Logo
2:38 pm - 6:35 pmPDX-ICN
34h 57m1 stop
$573Hawaiian Airlines
Find Deal
Mon, Jan 19 - Wed, Jan 28
Delta Logo
8:05 pm - 4:24 pmICN-PDX
13h 19m1 stop
Delta Logo
7:30 pm - 4:30 pmPDX-ICN
28h 00m1 stop
$624Delta
Find Deal
Thu, Dec 25 - Sat, Jan 3
Alaska Airlines Logo
8:35 pm - 10:53 amICN-PDX
31h 18m1 stop
Alaska Airlines Logo
2:38 pm - 6:35 pmPDX-ICN
34h 57m1 stop
$626Alaska Airlines
Find Deal
Sun, Dec 28 - Fri, Jan 16
Delta Logo
8:05 pm - 9:59 pmICN-PDX
18h 54m1 stop
Delta Logo
7:37 pm - 4:30 pmPDX-ICN
27h 53m1 stop
$629Delta
Find Deal
Tue, Dec 23 - Tue, Jan 13
Alaska Airlines Logo
8:35 pm - 5:59 pmICN-PDX
14h 24m1 stop
Alaska Airlines Logo
9:30 pm - 6:35 pmPDX-ICN
52h 05m2 stops
$648Alaska Airlines
Find Deal
Mon, Feb 9 - Mon, Feb 16
Multiple Airlines Logo
6:55 pm - 6:30 pmICN-PDX
16h 35m1 stop
Multiple Airlines Logo
9:45 pm - 5:10 pmPDX-ICN
26h 25m2 stops
$668Multiple Airlines
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Thu, Nov 27 - Sun, Nov 30
Multiple Airlines Logo
5:55 pm - 2:40 pmICN-PDX
13h 45m1 stop
Multiple Airlines Logo
7:49 pm - 5:10 pmPDX-ICN
28h 21m2 stops
$683Multiple Airlines
Find Deal
Wed, Dec 17 - Sat, Feb 28

Alaska Airlines flights from Incheon Intl Airport to Portland

Our best Alaska Airlines deals on Incheon Intl Airport to Portland flight tickets
Alaska Airlines
Dec 28
ICN8:35 pmIncheon Intl
31h 18m
1 stop
PDX10:53 amPortland
Jan 16
PDX2:38 pmPortland
34h 57m
1 stop
ICN6:35 pmIncheon Intl
$626
Find similar
Alaska Airlines
Nov 10
ICN8:35 pmIncheon Intl
14h 12m
1 stop
PDX5:47 pmPortland
Nov 13
PDX7:01 amPortland
18h 34m
2 stops
ICN6:35 pmIncheon Intl
$648
Find similar
Alaska Airlines
Feb 9
ICN8:35 pmIncheon Intl
17h 12m
1 stop
PDX8:47 pmPortland
Feb 16
PDX9:30 pmPortland
52h 05m
2 stops
ICN6:35 pmIncheon Intl
$653
Find similar

Hawaiian Airlines flights from Incheon Intl Airport to Portland

Our best Hawaiian Airlines deals on Incheon Intl Airport to Portland flight tickets
Hawaiian Airlines
Jan 19
ICN8:35 pmIncheon Intl
14h 24m
1 stop
PDX5:59 pmPortland
Jan 28
PDX10:30 amPortland
15h 05m
1 stop
ICN6:35 pmIncheon Intl
$569
Find similar
Hawaiian Airlines
Jan 19
ICN8:35 pmIncheon Intl
17h 12m
1 stop
PDX8:47 pmPortland
Jan 28
PDX2:38 pmPortland
34h 57m
1 stop
ICN6:35 pmIncheon Intl
$573
Find similar
Hawaiian Airlines
Dec 19
ICN8:35 pmIncheon Intl
20h 37m
1 stop
PDX12:12 amPortland
Jan 3
PDX6:14 amPortland
19h 21m
1 stop
ICN6:35 pmIncheon Intl
$575
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Incheon Intl Airport to Portland 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 Incheon Intl Airport to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 2/9

6:55 pm-6:30 pm

1 stop16h 35m

Portland

Mon 2/16

3:15 pm-4:00 pm

1 stop31h 45m

$550

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 11/26

6:55 pm-6:30 pm

1 stop16h 35m

Portland

Fri 12/5

9:50 am-5:10 pm

1 stop14h 20m

$554

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 1/19

8:35 pm-5:59 pm

1 stop14h 24m

Portland

Wed 1/28

10:30 am-6:35 pm

1 stop15h 05m

$569

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 1/19

8:35 pm-8:47 pm

1 stop17h 12m

Portland

Wed 1/28

2:38 pm-6:35 pm

1 stop34h 57m

$573

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Thu 12/25

8:05 pm-4:24 pm

1 stop13h 19m

Portland

Sat 1/3

7:30 pm-4:30 pm

1 stop28h 00m

$624

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sun 12/28

8:35 pm-10:53 am

1 stop31h 18m

Portland

Fri 1/16

2:38 pm-6:35 pm

1 stop34h 57m

$626

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Tue 12/23

8:05 pm-9:59 pm

1 stop18h 54m

Portland

Tue 1/13

7:37 pm-4:30 pm

1 stop27h 53m

$629

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 2/9

8:35 pm-5:59 pm

1 stop14h 24m

Portland

Mon 2/16

9:30 pm-6:35 pm

2 stops52h 05m

$648

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Thu 11/27

6:55 pm-6:30 pm

1 stop16h 35m

Portland

Sun 11/30

9:45 pm-5:10 pm

2 stops26h 25m

$668

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 12/17

5:55 pm-2:40 pm

1 stop13h 45m

Portland

Sat 2/28

7:49 pm-5:10 pm

2 stops28h 21m

$683

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 Portland from

How to get the cheapest flight ticket from Incheon Intl Airport to Portland

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 Incheon Intl Airport and Portland?

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Incheon Intl Airport is in November. Flight prices, which tend to average around $505, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in November, then you should wait until May to fly from Incheon Intl Airport, when ticket prices are also cheap, with an average price of $746.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Thursday when prices can be found for as low as $792. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Wednesday, with ticket prices averaging around $1,300.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the afternoon when flights can be purchased for as low as $881. In the evening is when there is more demand to fly to Portland, so prices are often more expensive at around $1,239 per ticket.

How far in advance should I book a flight to Portland?

You are more likely to see cheaper flights to Portland from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $823 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Incheon Intl Airport for as low as $570 on momondo.

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

As of November 2025, prices for Incheon Intl Airport to Portland flights are approximately 29% cheaper when compared to flights at the same time last year.

When to book flights from Incheon Intl Airport to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Incheon Intl Airport to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Incheon Intl Airport to Portland (ICN to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Incheon Intl Airport to Portland

Direct flights

None
There are no direct flights from Incheon Intl Airport to Portland. There are no popular flight routes from Incheon Intl Airport to Portland.
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  • How far is Incheon Intl to Portland by plane?

    Incheon Intl and Portland are 5272.8 mi apart from one another. Flights usually cover this in 12h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Incheon Intl Airport to Portland Airport?

    Prices for flights from Incheon Intl Airport to Portland Airport are updated daily.

  • How many operators does momondo search for flights from Incheon Intl Airport to Portland Airport?

  • How old do you have to be to fly from Incheon Intl Airport to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Incheon Intl Airport to Portland?

Best airlines flying from Incheon Intl Airport to Portland

Compare and see reviews for airlines that fly from Incheon Intl Airport to Portland with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $474Free CancellationRating
7.1
10,409 reviews
Search Air Canada flights
DeltaPriceFrom $698Free CancellationRating
7.9
8,004 reviews
Search Delta flights
Korean AirPriceFrom $706Free CancellationRating
8.4
1,160 reviews
Search Korean Air flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
Gresham
McMinnville
Longview
The Dalles
Pacific City
Tigard
Manzanita
Tillamook

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Portland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Seoul.

Can I find flights from Seoul to Portland with flexible booking policies on momondo?

All flight searches from Seoul to Portland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seoul to Portland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seoul to Portland.

I’m not ready to book a flight from Seoul to Portland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portland from Seoul. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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