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Cheap flights from Incheon Intl Airport to Portland from $374

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 2/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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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.
Hawaiian Airlines Logo
8:35 pm - 6:05 pmICN-PDX
14h 30m1 stop
Hawaiian Airlines Logo
9:30 am - 6:35 pmPDX-ICN
16h 05m1 stop
$540Hawaiian Airlines
Find Deal
Thu, Feb 26 - Sat, Feb 28
Hawaiian Airlines Logo
8:35 pm - 4:34 pmICN-PDX
12h 59m1 stop
Hawaiian Airlines Logo
10:30 am - 6:35 pmPDX-ICN
15h 05m1 stop
$541Hawaiian Airlines
Find Deal
Sat, Jan 31 - Sun, Feb 1
Alaska Airlines Logo
8:35 pm - 5:54 pmICN-PDX
14h 19m1 stop
Alaska Airlines Logo
8:30 am - 6:35 pmPDX-ICN
17h 05m1 stop
$551Alaska Airlines
Find Deal
Sat, Feb 7 - Fri, Feb 13
Delta Logo
8:05 pm - 4:40 pmICN-PDX
13h 35m1 stop
Delta Logo
5:30 am - 4:30 pmPDX-ICN
18h 00m1 stop
$580Delta
Find Deal
Tue, Dec 23 - Tue, Jan 13
Alaska Airlines Logo
8:35 pm - 6:56 pmICN-PDX
15h 21m1 stop
Alaska Airlines Logo
7:34 am - 6:35 pmPDX-ICN
18h 01m2 stops
$592Alaska Airlines
Find Deal
Sat, Jan 31 - Sun, Feb 1
Air Canada Logo
6:55 pm - 2:40 pmICN-PDX
12h 45m1 stop
Air Canada Logo
7:00 pm - 4:00 pmPDX-ICN
28h 00m1 stop
$597Air Canada
Find Deal
Sat, Feb 7 - Fri, Feb 13
Delta Logo
8:05 pm - 8:28 amICN-PDX
29h 23m1 stop
Delta Logo
1:27 pm - 4:30 pmPDX-ICN
34h 03m1 stop
$600Delta
Find Deal
Wed, Dec 17 - Sat, Feb 28
Delta Logo
8:05 pm - 12:15 amICN-PDX
21h 10m1 stop
Delta Logo
1:27 pm - 4:30 pmPDX-ICN
34h 03m1 stop
$601Delta
Find Deal
Wed, Dec 17 - Sat, Feb 28
Alaska Airlines Logo
8:35 pm - 9:35 amICN-PDX
30h 00m2 stops
Alaska Airlines Logo
8:30 am - 6:35 pmPDX-ICN
17h 05m1 stop
$612Alaska Airlines
Find Deal
Sat, Feb 7 - Fri, Feb 13
Alaska Airlines Logo
8:35 pm - 12:26 pmICN-PDX
31h 51m1 stop
Alaska Airlines Logo
8:34 am - 6:35 pmPDX-ICN
18h 01m1 stop
$616Alaska Airlines
Find Deal
Wed, May 6 - Fri, Sep 4

Delta flights from Incheon Intl Airport to Portland

Our best Delta deals on Incheon Intl Airport to Portland flight tickets
Delta
Dec 23
ICN8:05 pmIncheon Intl
13h 35m
1 stop
PDX4:40 pmPortland
Jan 13
PDX5:30 amPortland
18h 00m
1 stop
ICN4:30 pmIncheon Intl
$580
Find similar
Delta
Dec 17
ICN8:05 pmIncheon Intl
29h 23m
1 stop
PDX8:28 amPortland
Feb 28
PDX1:27 pmPortland
34h 03m
1 stop
ICN4:30 pmIncheon Intl
$600
Find similar
Delta
Dec 17
ICN8:05 pmIncheon Intl
21h 10m
1 stop
PDX12:15 amPortland
Feb 28
PDX1:27 pmPortland
34h 03m
1 stop
ICN4:30 pmIncheon Intl
$601
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
Feb 26
ICN8:35 pmIncheon Intl
14h 30m
1 stop
PDX6:05 pmPortland
Feb 28
PDX9:30 amPortland
16h 05m
1 stop
ICN6:35 pmIncheon Intl
$540
Find similar
Hawaiian Airlines
Jan 31
ICN8:35 pmIncheon Intl
12h 59m
1 stop
PDX4:34 pmPortland
Feb 1
PDX10:30 amPortland
15h 05m
1 stop
ICN6:35 pmIncheon Intl
$541
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 December 3, 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

Thu 2/26

8:35 pm-6:05 pm

1 stop14h 30m

Portland

Sat 2/28

9:30 am-6:35 pm

1 stop16h 05m

$540

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 1/31

8:35 pm-4:34 pm

1 stop12h 59m

Portland

Sun 2/1

10:30 am-6:35 pm

1 stop15h 05m

$541

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 2/7

8:35 pm-5:54 pm

1 stop14h 19m

Portland

Fri 2/13

8:30 am-6:35 pm

1 stop17h 05m

$551

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Tue 12/23

8:05 pm-4:40 pm

1 stop13h 35m

Portland

Tue 1/13

5:30 am-4:30 pm

1 stop18h 00m

$580

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 1/31

8:35 pm-6:56 pm

1 stop15h 21m

Portland

Sun 2/1

7:34 am-6:35 pm

2 stops18h 01m

$592

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 2/7

6:55 pm-2:40 pm

1 stop12h 45m

Portland

Fri 2/13

7:00 pm-4:00 pm

1 stop28h 00m

$597

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 12/17

8:05 pm-8:28 am

1 stop29h 23m

Portland

Sat 2/28

1:27 pm-4:30 pm

1 stop34h 03m

$600

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 12/17

8:05 pm-12:15 am

1 stop21h 10m

Portland

Sat 2/28

1:27 pm-4:30 pm

1 stop34h 03m

$601

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 2/7

8:35 pm-9:35 am

2 stops30h 00m

Portland

Fri 2/13

8:30 am-6:35 pm

1 stop17h 05m

$612

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 5/6

8:35 pm-12:26 pm

1 stop31h 51m

Portland

Fri 9/4

8:34 am-6:35 pm

1 stop18h 01m

$616

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 October to fly from Incheon Intl Airport, when ticket prices are also cheap, with an average price of $708.

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

As of December 2025, prices for Incheon Intl Airport to Portland flights are approximately 26% 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

Fastest flight time

14h 30m

Direct flights

None
The fastest flight from Incheon Intl Airport to Portland takes 14h 30m
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
10,500 reviews
Search Air Canada flights
DeltaPriceFrom $635Free CancellationRating
7.9
8,011 reviews
Search Delta flights
Korean AirPriceFrom $706Free CancellationRating
8.4
1,177 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
McMinnville
Gresham
Longview
Tigard
The Dalles
Pacific City
Manzanita
Tillamook

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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.

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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?

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