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Cheap flights from Incheon Intl Airport to Portland from $429

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 - 2:46 pm
ICN
-
PDX
13h 01m
1 stop
Air Canada Logo
7:45 pm - 4:05 pm
PDX
-
ICN
28h 20m
1 stop
$820Air Canada
Wed, Sep 23 - Sun, Sep 27
Multiple Airlines Logo
7:15 pm - 8:51 pm
ICN
-
PDX
17h 36m
1 stop
Multiple Airlines Logo
10:37 am - 9:40 pm
PDX
-
ICN
19h 03m
1 stop
$830Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
7:15 pm - 9:29 am
ICN
-
PDX
30h 14m
1 stop
Multiple Airlines Logo
7:30 am - 8:10 pm
PDX
-
ICN
20h 40m
1 stop
$853Multiple Airlines
Mon, Oct 19 - Sat, Oct 24
Air Canada Logo
7:45 pm - 7:11 pm
ICN
-
PDX
39h 26m
2 stops
Air Canada Logo
7:45 pm - 4:05 pm
PDX
-
ICN
28h 20m
1 stop
$855Air Canada
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
7:15 pm - 9:07 am
ICN
-
PDX
29h 52m
1 stop
Multiple Airlines Logo
10:37 am - 9:40 pm
PDX
-
ICN
19h 03m
1 stop
$860Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
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
$880Air Canada
Sat, Oct 3 - Thu, Oct 15
Delta Logo
7:00 pm - 10:40 am
ICN
-
PDX
31h 40m
1 stop
Delta Logo
5:49 pm - 4:50 pm
PDX
-
ICN
31h 01m
1 stop
$912Delta
Thu, Sep 17 - Sat, Oct 10
Delta Logo
7:00 pm - 5:09 pm
ICN
-
PDX
14h 09m
1 stop
Delta Logo
5:49 pm - 4:50 pm
PDX
-
ICN
31h 01m
1 stop
$971Delta
Fri, Sep 18 - Sun, Sep 27
Alaska Airlines Logo
7:35 pm - 11:16 pm
ICN
-
PDX
19h 41m
2 stops
Alaska Airlines Logo
7:09 am - 5:30 pm
PDX
-
ICN
18h 21m
1 stop
$995Alaska Airlines
Sat, Oct 3 - Thu, Oct 15
Alaska Airlines Logo
7:35 pm - 9:55 pm
ICN
-
PDX
18h 20m
2 stops
Alaska Airlines Logo
8:18 pm - 5:30 pm
PDX
-
ICN
29h 12m
2 stops
$1,013Alaska Airlines
Sat, Sep 19 - Sat, Sep 26

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Delta flights from Incheon Intl Airport to Portland

Our best Delta deals on Incheon Intl Airport to Portland flight tickets
Delta
Sep 17
ICN7:00 pmIncheon Intl
31h 40m
1 stop
PDX10:40 amPortland
Oct 10
PDX5:49 pmPortland
31h 01m
1 stop
ICN4:50 pmIncheon Intl
$912
Delta
Sep 18
ICN7:00 pmIncheon Intl
14h 09m
1 stop
PDX5:09 pmPortland
Sep 27
PDX5:49 pmPortland
31h 01m
1 stop
ICN4:50 pmIncheon Intl
$971
Delta
Sep 6
ICN7:00 pmIncheon Intl
16h 44m
1 stop
PDX7:44 pmPortland
Sep 19
PDX5:50 pmPortland
31h 00m
1 stop
ICN4:50 pmIncheon Intl
$1,032

Air Canada flights from Incheon Intl Airport to Portland

Our best Air Canada deals on Incheon Intl Airport to Portland flight tickets
Air Canada
Sep 23
ICN5:45 pmIncheon Intl
13h 01m
1 stop
PDX2:46 pmPortland
Sep 27
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
$820
Air Canada
Sep 9
ICN7:45 pmIncheon Intl
39h 26m
2 stops
PDX7:11 pmPortland
Sep 16
PDX7:45 pmPortland
28h 20m
1 stop
ICN4:05 pmIncheon Intl
$855
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
$880

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 1, 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

Wed 9/23

5:45 pm-2:46 pm

1 stop13h 01m

Portland

Sun 9/27

7:45 pm-4:05 pm

1 stop28h 20m

$820
Quickest round-trip

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 9/9

7:15 pm-8:51 pm

1 stop17h 36m

Portland

Wed 9/16

10:37 am-9:40 pm

1 stop19h 03m

$830

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 10/19

7:15 pm-9:29 am

1 stop30h 14m

Portland

Sat 10/24

7:30 am-8:10 pm

1 stop20h 40m

$853

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 9/9

7:45 pm-7:11 pm

2 stops39h 26m

Portland

Wed 9/16

7:45 pm-4:05 pm

1 stop28h 20m

$855

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 9/9

7:15 pm-9:07 am

1 stop29h 52m

Portland

Wed 9/16

10:37 am-9:40 pm

1 stop19h 03m

$860

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

$880

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Thu 9/17

7:00 pm-10:40 am

1 stop31h 40m

Portland

Sat 10/10

5:49 pm-4:50 pm

1 stop31h 01m

$912

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 9/18

7:00 pm-5:09 pm

1 stop14h 09m

Portland

Sun 9/27

5:49 pm-4:50 pm

1 stop31h 01m

$971

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 10/3

7:35 pm-11:16 pm

2 stops19h 41m

Portland

Thu 10/15

7:09 am-5:30 pm

1 stop18h 21m

$995

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 9/19

7:35 pm-9:55 pm

2 stops18h 20m

Portland

Sat 9/26

8:18 pm-5:30 pm

2 stops29h 12m

$1,013

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?

Prices are currently low for flights on this route.

Typical prices usually range from $973 to $1,766.
The lowest price recently found on this route was $820.

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

14h 50m

Direct flights

None
The fastest flight from Incheon Intl Airport to Portland takes 14h 50m
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 14h 50m, 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
12,741 reviews
Search Alaska Airlines flights
Air CanadaPriceFrom $565Free CancellationRating
7.1
11,415 reviews
Search Air Canada flights
DeltaPriceFrom $622Free CancellationRating
7.8
8,497 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
Newberg
Clackamas
Troutdale
Gresham
Kelso
Wilsonville

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?

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