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Cheap flights from Incheon Intl Airport to Portland from $507

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 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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 - 9:31 amICN  Incheon Intl-PDX Portland
31h 46m1 stop Vancouver Intl
Air Canada Logo
3:15 pm - 4:10 pmPDX  Portland-ICN Incheon Intl
32h 55m1 stop Vancouver Intl
$763Air Canada
Tue, Oct 20 - Sun, Oct 25
Air Canada Logo
5:45 pm - 9:31 amICN  Incheon Intl-PDX Portland
31h 46m1 stop Vancouver Intl
Air Canada Logo
7:45 pm - 4:05 pmPDX  Portland-ICN Incheon Intl
28h 20m1 stop Vancouver Intl
$765Air Canada
Mon, Sep 14 - Wed, Sep 23
United Airlines Logo
4:50 pm - 9:50 amICN  Incheon Intl-PDX Portland
33h 00m2 stops San Francisco Newark
United Airlines Logo
7:29 pm - 3:00 pmPDX  Portland-ICN Incheon Intl
27h 31m1 stop San Francisco
$773United Airlines
Wed, Oct 7 - Sat, Oct 10
United Airlines Logo
4:50 pm - 9:32 amICN  Incheon Intl-PDX Portland
32h 42m2 stops San Francisco Denver Intl
United Airlines Logo
10:56 am - 3:00 pmPDX  Portland-ICN Incheon Intl
36h 04m2 stops Newark San Francisco
$774United Airlines
Mon, Sep 14 - Wed, Sep 16
Delta Logo
7:00 pm - 5:04 pmICN  Incheon Intl-PDX Portland
14h 04m1 stop Seattle/Tacoma Intl
Delta Logo
5:30 am - 4:50 pmPDX  Portland-ICN Incheon Intl
19h 20m1 stop Seattle/Tacoma Intl
$805Delta
Tue, Oct 6 - Mon, Oct 12
Delta Logo
7:00 pm - 9:56 pmICN  Incheon Intl-PDX Portland
18h 56m1 stop Seattle/Tacoma Intl
Delta Logo
8:44 pm - 4:50 pmPDX  Portland-ICN Incheon Intl
28h 06m1 stop Seattle/Tacoma Intl
$805Delta
Thu, Oct 8 - Tue, Oct 13
Korean Air Logo
2:30 pm - 4:37 pmICN  Incheon Intl-PDX Portland
18h 07m1 stop Los Angeles
Korean Air Logo
7:05 am - 5:50 pmPDX  Portland-ICN Incheon Intl
18h 45m1 stop Los Angeles
$872Korean Air
Wed, Sep 9 - Thu, Oct 15
Korean Air Logo
7:00 pm - 5:04 pmICN  Incheon Intl-PDX Portland
14h 04m1 stop Seattle/Tacoma Intl
Korean Air Logo
6:45 am - 5:50 pmPDX  Portland-ICN Incheon Intl
19h 05m1 stop Los Angeles
$875Korean Air
Wed, Oct 7 - Wed, Oct 14
Alaska Airlines Logo
7:35 pm - 9:56 pmICN  Incheon Intl-PDX Portland
18h 21m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:09 am - 5:30 pmPDX  Portland-ICN Incheon Intl
18h 21m1 stop Seattle/Tacoma Intl
$885Alaska Airlines
Fri, Oct 9 - Sun, Oct 11
Alaska Airlines Logo
7:35 pm - 9:25 amICN  Incheon Intl-PDX Portland
29h 50m2 stops Seattle/Tacoma Intl Los Angeles
Alaska Airlines Logo
3:48 pm - 5:30 pmPDX  Portland-ICN Incheon Intl
33h 42m1 stop Seattle/Tacoma Intl
$932Alaska Airlines
Sun, Sep 27 - Sat, Oct 10

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United Airlines flights from Incheon Intl Airport to Portland

Our best United Airlines deals on Incheon Intl Airport to Portland flight tickets
United Airlines
Oct 7
ICN4:50 pmIncheon Intl
33h 00m
2 stops
PDX9:50 amPortland
Oct 10
PDX7:29 pmPortland
27h 31m
1 stop
ICN3:00 pmIncheon Intl
$773
United Airlines
Sep 14
ICN4:50 pmIncheon Intl
32h 42m
2 stops
PDX9:32 amPortland
Sep 16
PDX10:56 amPortland
36h 04m
2 stops
ICN3:00 pmIncheon Intl
$774
United Airlines
Oct 6
ICN4:50 pmIncheon Intl
33h 00m
2 stops
PDX9:50 amPortland
Oct 25
PDX7:10 amPortland
29h 30m
1 stop
ICN4:40 amIncheon Intl
$775

Delta flights from Incheon Intl Airport to Portland

Our best Delta deals on Incheon Intl Airport to Portland flight tickets
Delta
Oct 5
ICN7:00 pmIncheon Intl
29h 46m
1 stop
PDX8:46 amPortland
Oct 13
PDX5:30 amPortland
19h 20m
1 stop
ICN4:50 pmIncheon Intl
$805
Delta
Oct 7
ICN7:00 pmIncheon Intl
17h 00m
1 stop
PDX8:00 pmPortland
Oct 14
PDX5:30 amPortland
19h 10m
1 stop
ICN4:40 pmIncheon Intl
$875
Delta
Aug 27
ICN2:30 pmIncheon Intl
18h 03m
1 stop
PDX4:33 pmPortland
Sep 27
PDX5:49 pmPortland
30h 51m
1 stop
ICN4:40 pmIncheon Intl
$1,387

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 August 15, 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 Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Tue 10/20

5:45 pm-9:31 am

1 stop31h 46m

Portland

Sun 10/25

3:15 pm-4:10 pm

1 stop32h 55m

$763

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Mon 9/14

5:45 pm-9:31 am

1 stop31h 46m

Portland

Wed 9/23

7:45 pm-4:05 pm

1 stop28h 20m

$765

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Wed 10/7

4:50 pm-9:50 am

2 stops33h 00m

Portland

Sat 10/10

7:29 pm-3:00 pm

1 stop27h 31m

$773

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Mon 9/14

4:50 pm-9:32 am

2 stops32h 42m

Portland

Wed 9/16

10:56 am-3:00 pm

2 stops36h 04m

$774

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Tue 10/6

7:00 pm-5:04 pm

1 stop14h 04m

Portland

Mon 10/12

5:30 am-4:50 pm

1 stop19h 20m

$805

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Thu 10/8

7:00 pm-9:56 pm

1 stop18h 56m

Portland

Tue 10/13

8:44 pm-4:50 pm

1 stop28h 06m

$805

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Wed 9/9

2:30 pm-4:37 pm

1 stop18h 07m

Portland

Thu 10/15

7:05 am-5:50 pm

1 stop18h 45m

$872
Quickest round-trip

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Wed 10/7

7:00 pm-5:04 pm

1 stop14h 04m

Portland

Wed 10/14

6:45 am-5:50 pm

1 stop19h 05m

$875

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Fri 10/9

7:35 pm-9:56 pm

1 stop18h 21m

Portland

Sun 10/11

7:09 am-5:30 pm

1 stop18h 21m

$885

IncheonPortland

ICN Incheon Intl - PDX Portland

ICNPDX

Incheon Intl

Sun 9/27

7:35 pm-9:25 am

2 stops29h 50m

Portland

Sat 10/10

3:48 pm-5:30 pm

1 stop33h 42m

$932

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,244 to $1,766.
The lowest price recently found on this route was $763.

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 August 2026, prices for Incheon Intl Airport to Portland flights are approximately 1% 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 30m

Direct flights

None
The fastest flight from Incheon Intl Airport to Portland takes 16h 30m
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 30m, 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
12,808 reviews
Search Alaska Airlines flights
Air CanadaPriceFrom $565Free CancellationRating
7.1
11,474 reviews
Search Air Canada flights
DeltaPriceFrom $622Free CancellationRating
7.8
8,505 reviews
Search Delta flights
Korean AirPriceFrom $662Free CancellationRating
8.4
1,221 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
Vancouver
Cannon Beach
Salem
Astoria
Long Beach
Beaverton
Rockaway Beach
Hillsboro
Tigard
Depoe Bay
Longview
Hood River
Newberg
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Troutdale
Gresham
Kelso
Wilsonville

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