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Cheap flights from Incheon Intl Airport to Portland from $373

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 9/5. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
5:45 pm - 7:06 pm
ICN
-
PDX
17h 21m
1 stop
Air Canada Logo
7:45 pm - 4:05 pm
PDX
-
ICN
28h 20m
1 stop
$796Air Canada
Sat, Oct 3 - Thu, Oct 15
Multiple Airlines Logo
7:45 pm - 8:50 pm
ICN
-
PDX
17h 05m
1 stop
Multiple Airlines Logo
7:01 am - 9:20 pm
PDX
-
ICN
21h 19m
1 stop
$814Multiple Airlines
Sat, Oct 31 - Sat, Nov 7
Multiple Airlines Logo
6:00 pm - 4:50 pm
ICN
-
PDX
14h 50m
1 stop
Multiple Airlines Logo
10:37 am - 8:10 pm
PDX
-
ICN
17h 33m
1 stop
$823Multiple Airlines
Sat, Aug 29 - Sat, Sep 5
Air Canada Logo
6:55 pm - 2:41 pm
ICN
-
PDX
12h 46m
1 stop
Air Canada Logo
7:00 am - 5:10 pm
PDX
-
ICN
17h 10m
1 stop
$832Air Canada
Thu, Dec 17 - Tue, Dec 29
Air Canada Logo
5:45 pm - 9:31 am
ICN
-
PDX
31h 46m
1 stop
Air Canada Logo
10:00 am - 4:10 pm
PDX
-
ICN
14h 10m
1 stop
$833Air Canada
Tue, Oct 6 - Fri, Oct 30
Air Canada Logo
5:45 pm - 9:31 am
ICN
-
PDX
31h 46m
1 stop
Air Canada Logo
7:45 pm - 4:05 pm
PDX
-
ICN
28h 20m
1 stop
$838Air Canada
Thu, Oct 15 - Sun, Oct 18
Multiple Airlines Logo
6:55 am - 7:06 pm
ICN
-
PDX
28h 11m
2 stops
Multiple Airlines Logo
7:00 am - 4:10 pm
PDX
-
ICN
17h 10m
1 stop
$839Multiple Airlines
Tue, Oct 6 - Fri, Oct 30
Air Canada Logo
5:45 pm - 7:06 pm
ICN
-
PDX
17h 21m
1 stop
Air Canada Logo
7:45 pm - 4:05 pm
PDX
-
ICN
28h 20m
1 stop
$845Air Canada
Sat, Oct 3 - Thu, Oct 15
Multiple Airlines Logo
7:15 pm - 8:51 pm
ICN
-
PDX
17h 36m
1 stop
Multiple Airlines Logo
7:01 am - 9:20 pm
PDX
-
ICN
21h 19m
1 stop
$854Multiple Airlines
Mon, Aug 24 - Mon, Nov 9
Multiple Airlines Logo
7:15 pm - 10:09 am
ICN
-
PDX
30h 54m
1 stop
Multiple Airlines Logo
7:01 am - 9:40 pm
PDX
-
ICN
22h 39m
1 stop
$883Multiple Airlines
Fri, Aug 28 - Fri, Sep 4

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Air Canada flights from Incheon Intl Airport to Portland

Our best Air Canada deals on Incheon Intl Airport to Portland flight tickets
Air Canada
Oct 3
ICN5:45 pmIncheon Intl
17h 21m
1 stop
PDX7:06 pmPortland
Oct 15
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
$796
Air Canada
Dec 17
ICN6:55 pmIncheon Intl
12h 46m
1 stop
PDX2:41 pmPortland
Dec 29
PDX7:00 amPortland
17h 10m
1 stop
ICN5:10 pmIncheon Intl
$832
Air Canada
Oct 6
ICN5:45 pmIncheon Intl
31h 46m
1 stop
PDX9:31 amPortland
Oct 30
PDX10:00 amPortland
14h 10m
1 stop
ICN4:10 pmIncheon Intl
$833

Alaska Airlines flights from Incheon Intl Airport to Portland

Our best Alaska Airlines deals on Incheon Intl Airport to Portland flight tickets
Alaska Airlines
Sep 9
ICN7:35 pmIncheon Intl
13h 15m
1 stop
PDX4:50 pmPortland
Sep 16
PDX10:30 amPortland
15h 00m
1 stop
ICN5:30 pmIncheon Intl
$923
Alaska Airlines
Sep 9
ICN7:35 pmIncheon Intl
13h 15m
1 stop
PDX4:50 pmPortland
Sep 15
PDX9:32 pmPortland
27h 58m
1 stop
ICN5:30 pmIncheon Intl
$935
Alaska Airlines
Oct 3
ICN7:35 pmIncheon Intl
16h 19m
1 stop
PDX7:54 pmPortland
Oct 15
PDX5:06 amPortland
20h 24m
1 stop
ICN5:30 pmIncheon Intl
$970

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 July 17, 2026.
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

Cheapest round-trip

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 10/3

5:45 pm-7:06 pm

1 stop17h 21m

Portland

Thu 10/15

7:45 pm-4:05 pm

1 stop28h 20m

$796

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 10/31

7:45 pm-8:50 pm

1 stop17h 05m

Portland

Sat 11/7

7:01 am-9:20 pm

1 stop21h 19m

$814

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 8/29

6:00 pm-4:50 pm

1 stop14h 50m

Portland

Sat 9/5

10:37 am-8:10 pm

1 stop17h 33m

$823
Quickest round-trip

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Thu 12/17

6:55 pm-2:41 pm

1 stop12h 46m

Portland

Tue 12/29

7:00 am-5:10 pm

1 stop17h 10m

$832

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Tue 10/6

5:45 pm-9:31 am

1 stop31h 46m

Portland

Fri 10/30

10:00 am-4:10 pm

1 stop14h 10m

$833

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Thu 10/15

5:45 pm-9:31 am

1 stop31h 46m

Portland

Sun 10/18

7:45 pm-4:05 pm

1 stop28h 20m

$838

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Tue 10/6

6:55 am-7:06 pm

2 stops28h 11m

Portland

Fri 10/30

7:00 am-4:10 pm

1 stop17h 10m

$839

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 10/3

5:45 pm-7:06 pm

1 stop17h 21m

Portland

Thu 10/15

7:45 pm-4:05 pm

1 stop28h 20m

$845

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 8/24

7:15 pm-8:51 pm

1 stop17h 36m

Portland

Mon 11/9

7:01 am-9:20 pm

1 stop21h 19m

$854

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 8/28

7:15 pm-10:09 am

1 stop30h 54m

Portland

Fri 9/4

7:01 am-9:40 pm

1 stop22h 39m

$883

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 February to fly from Incheon Intl Airport, when ticket prices are also cheap, with an average price of $604.

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

As of July 2026, prices for Incheon Intl Airport to Portland flights are approximately 8% more expensive 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

16h 38m

Direct flights

None
The fastest flight from Incheon Intl Airport to Portland takes 16h 38m
There are no direct flights from Incheon Intl Airport to Portland. There are no popular flight routes from Incheon Intl Airport to Portland.
Search flight deals

Frequently asked questions about flying from Incheon Intl Airport to Portland

  • 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 16h 38m, 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
Alaska AirlinesPriceFrom $337Free CancellationRating
7.9
12,670 reviews
Search Alaska Airlines flights
Air CanadaPriceFrom $612Free CancellationRating
7.1
11,352 reviews
Search Air Canada flights
DeltaPriceFrom $622Free CancellationRating
7.8
8,476 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
Vancouver
Cannon Beach
Salem
Astoria
Long Beach
Beaverton
Rockaway Beach
Hillsboro
Depoe Bay
Tigard
Longview
Hood River
Clackamas
Newberg
Troutdale
Gresham
McMinnville
Kelso

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

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