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Cheap flights from Incheon Intl Airport to Portland from $329

This is the cheapest round-trip 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 10/20. 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

Hawaiian Airlines Logo
8:35 pm - 6:20 amICN-PDX
25h 45m1 stop
Hawaiian Airlines Logo
6:00 am - 6:35 pmPDX-ICN
20h 35m1 stop
$329Hawaiian Airlines
Find Deal
Mon, Oct 20 - Sat, Oct 25
Hawaiian Airlines Logo
8:35 pm - 6:20 amICN-PDX
25h 45m1 stop
Hawaiian Airlines Logo
6:00 am - 6:35 pmPDX-ICN
20h 35m1 stop
$330Hawaiian Airlines
Find Deal
Mon, Oct 20 - Sat, Oct 25
Hawaiian Airlines Logo
8:35 pm - 12:43 amICN-PDX
21h 08m1 stop
Hawaiian Airlines Logo
2:35 pm - 6:35 pmPDX-ICN
35h 00m1 stop
$333Hawaiian Airlines
Find Deal
Thu, Nov 20 - Thu, Nov 27
Hawaiian Airlines Logo
8:35 pm - 10:45 pmICN-PDX
18h 10m1 stop
Hawaiian Airlines Logo
5:50 pm - 7:25 pmPDX-ICN
33h 35m1 stop
$342Hawaiian Airlines
Find Deal
Mon, Oct 20 - Sat, Oct 25
Alaska Airlines Logo
9:25 pm - 9:14 pmICN-PDX
16h 49m1 stop
Alaska Airlines Logo
5:40 pm - 7:25 pmPDX-ICN
32h 45m1 stop
$343Alaska Airlines
Find Deal
Fri, Nov 14 - Sat, Nov 15
Alaska Airlines Logo
9:25 pm - 10:30 pmICN-PDX
17h 05m1 stop
Alaska Airlines Logo
7:09 am - 7:25 pmPDX-ICN
19h 16m1 stop
$347Alaska Airlines
Find Deal
Wed, Oct 22 - Tue, Nov 4
Logo
9:00 pm - 12:09 amICN-PDX
19h 09m1 stop
Logo
1:38 pm - 5:20 amPDX-ICN
22h 42m1 stop
$503
Find Deal
Tue, Oct 28 - Tue, Nov 4
Air Canada Logo
6:55 pm - 9:15 amICN-PDX
31h 20m1 stop
Air Canada Logo
3:15 pm - 5:10 pmPDX-ICN
32h 55m1 stop
$579Air Canada
Find Deal
Thu, Nov 20 - Thu, Nov 27
Logo
9:00 pm - 12:09 amICN-PDX
19h 09m1 stop
Logo
5:30 pm - 5:20 amPDX-ICN
18h 50m1 stop
$599
Find Deal
Tue, Oct 28 - Sun, Nov 2
Air Canada Logo
5:55 pm - 6:30 pmICN-PDX
16h 35m1 stop
Air Canada Logo
7:00 pm - 5:10 pmPDX-ICN
29h 10m1 stop
$613Air Canada
Find Deal
Thu, Oct 30 - Wed, Nov 5

Alaska Airlines flights from Incheon Intl Airport to Portland

Our best Alaska Airlines deals on Incheon Intl Airport to Portland flight tickets
Alaska Airlines
Nov 14
ICN9:25 pmIncheon Intl
16h 49m
1 stop
PDX9:14 pmPortland
Nov 15
PDX5:40 pmPortland
32h 45m
1 stop
ICN7:25 pmIncheon Intl
$343
Find similar
Alaska Airlines
Oct 22
ICN9:25 pmIncheon Intl
17h 05m
1 stop
PDX10:30 pmPortland
Nov 4
PDX7:09 amPortland
19h 16m
1 stop
ICN7:25 pmIncheon Intl
$347
Find similar
Alaska Airlines
Oct 30
ICN8:35 pmIncheon Intl
16h 02m
1 stop
PDX8:37 pmPortland
Nov 6
PDX5:30 pmPortland
32h 05m
1 stop
ICN6:35 pmIncheon Intl
$351
Find similar

Air Canada flights from Incheon Intl Airport to Portland

Our best Air Canada deals on Incheon Intl Airport to Portland flight tickets
Air Canada
Nov 20
ICN6:55 pmIncheon Intl
31h 20m
1 stop
PDX9:15 amPortland
Nov 27
PDX3:15 pmPortland
32h 55m
1 stop
ICN5:10 pmIncheon Intl
$579
Find similar
Air Canada
Oct 30
ICN5:55 pmIncheon Intl
16h 35m
1 stop
PDX6:30 pmPortland
Nov 5
PDX7:00 pmPortland
29h 10m
1 stop
ICN5:10 pmIncheon Intl
$613
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 September 15, 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 10/20

8:35 pm-6:20 am

1 stop25h 45m

Portland

Sat 10/25

6:00 am-6:35 pm

1 stop20h 35m

$329

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 10/20

8:35 pm-6:20 am

1 stop25h 45m

Portland

Sat 10/25

6:00 am-6:35 pm

1 stop20h 35m

$330

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Thu 11/20

8:35 pm-12:43 am

1 stop21h 08m

Portland

Thu 11/27

2:35 pm-6:35 pm

1 stop35h 00m

$333

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 10/20

8:35 pm-10:45 pm

1 stop18h 10m

Portland

Sat 10/25

5:50 pm-7:25 pm

1 stop33h 35m

$342

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 11/14

9:25 pm-9:14 pm

1 stop16h 49m

Portland

Sat 11/15

5:40 pm-7:25 pm

1 stop32h 45m

$343

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 10/22

9:25 pm-10:30 pm

1 stop17h 05m

Portland

Tue 11/4

7:09 am-7:25 pm

1 stop19h 16m

$347

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Tue 10/28

9:00 pm-12:09 am

1 stop19h 09m

Portland

Tue 11/4

1:38 pm-5:20 am

1 stop22h 42m

$503

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Thu 11/20

6:55 pm-9:15 am

1 stop31h 20m

Portland

Thu 11/27

3:15 pm-5:10 pm

1 stop32h 55m

$579

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Tue 10/28

9:00 pm-12:09 am

1 stop19h 09m

Portland

Sun 11/2

5:30 pm-5:20 am

1 stop18h 50m

$599

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Thu 10/30

5:55 pm-6:30 pm

1 stop16h 35m

Portland

Wed 11/5

7:00 pm-5:10 pm

1 stop29h 10m

$613

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 $750.

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 $844 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 September 2025, prices for Incheon Intl Airport to Portland flights are approximately 24% 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 13h 21m, 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
10,000 reviews
Search Air Canada flights
Korean AirPriceFrom $708Free CancellationRating
8.4
1,139 reviews
Search Korean Air flights
DeltaPriceFrom $708Free CancellationRating
7.9
7,954 reviews
Search Delta 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
Tigard
The Dalles
Pacific City
Tillamook
Manzanita

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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