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Cheap flights from Incheon Intl Airport to Portland from $368

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 11/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Air Canada Logo
6:55 pm - 6:30 pmICN-PDX
16h 35m1 stop
Air Canada Logo
9:50 am - 5:10 pmPDX-ICN
14h 20m1 stop
$580Air Canada
Find Deal
Sat, Feb 7 - Fri, Feb 13
Air Canada Logo
6:55 pm - 6:30 pmICN-PDX
16h 35m1 stop
Air Canada Logo
9:50 am - 5:10 pmPDX-ICN
14h 20m1 stop
$613Air Canada
Find Deal
Fri, Jan 30 - Wed, Feb 25
Alaska Airlines Logo
8:35 pm - 5:54 pmICN-PDX
14h 19m1 stop
Alaska Airlines Logo
7:00 am - 6:35 pmPDX-ICN
18h 35m1 stop
$614Alaska Airlines
Find Deal
Sat, Jan 31 - Thu, Feb 26
Delta Logo
8:05 pm - 6:50 pmICN-PDX
15h 45m1 stop
Delta Logo
5:45 pm - 4:30 pmPDX-ICN
29h 45m1 stop
$621Delta
Find Deal
Wed, Dec 17 - Sat, Feb 28
Delta Logo
8:05 pm - 4:29 pmICN-PDX
13h 24m1 stop
Delta Logo
5:30 am - 4:30 pmPDX-ICN
18h 00m1 stop
$622Delta
Find Deal
Wed, Feb 11 - Wed, Feb 18
Alaska Airlines Logo
8:35 pm - 6:56 pmICN-PDX
15h 21m1 stop
Alaska Airlines Logo
5:30 pm - 6:35 pmPDX-ICN
32h 05m1 stop
$625Alaska Airlines
Find Deal
Sat, Jan 31 - Fri, Feb 27
United Airlines Logo
6:00 pm - 10:53 pmICN-PDX
21h 53m2 stops
United Airlines Logo
7:49 pm - 5:40 amPDX-ICN
16h 51m1 stop
$646United Airlines
Find Deal
Mon, Feb 2 - Wed, Feb 25
Hawaiian Airlines Logo
8:35 pm - 5:59 pmICN-PDX
14h 24m1 stop
Hawaiian Airlines Logo
7:45 pm - 6:35 pmPDX-ICN
29h 50m1 stop
$665Hawaiian Airlines
Find Deal
Fri, Feb 13 - Wed, Feb 18
United Airlines Logo
12:45 pm - 9:12 pmICN-PDX
25h 27m2 stops
United Airlines Logo
7:30 am - 4:15 pmPDX-ICN
15h 45m1 stop
$681United Airlines
Find Deal
Sun, Feb 1 - Tue, Mar 3
Hawaiian Airlines Logo
8:35 pm - 10:26 pmICN-PDX
18h 51m1 stop
Hawaiian Airlines Logo
9:40 am - 6:35 pmPDX-ICN
15h 55m1 stop
$767Hawaiian Airlines
Find Deal
Fri, Feb 13 - Fri, Feb 20

Delta flights from Incheon Intl Airport to Portland

Our best Delta deals on Incheon Intl Airport to Portland flight tickets
Delta
Dec 17
ICN8:05 pmIncheon Intl
15h 45m
1 stop
PDX6:50 pmPortland
Feb 28
PDX5:45 pmPortland
29h 45m
1 stop
ICN4:30 pmIncheon Intl
$621
Find similar
Delta
Feb 11
ICN8:05 pmIncheon Intl
13h 24m
1 stop
PDX4:29 pmPortland
Feb 18
PDX5:30 amPortland
18h 00m
1 stop
ICN4:30 pmIncheon Intl
$622
Find similar
Delta
Dec 17
ICN8:05 pmIncheon Intl
21h 10m
1 stop
PDX12:15 amPortland
Feb 28
PDX5:45 pmPortland
29h 45m
1 stop
ICN4:30 pmIncheon Intl
$624
Find similar

United Airlines flights from Incheon Intl Airport to Portland

Our best United Airlines deals on Incheon Intl Airport to Portland flight tickets
United Airlines
Feb 2
ICN6:00 pmIncheon Intl
21h 53m
2 stops
PDX10:53 pmPortland
Feb 25
PDX7:49 pmPortland
16h 51m
1 stop
ICN5:40 amIncheon Intl
$646
Find similar
United Airlines
Feb 1
ICN12:45 pmIncheon Intl
25h 27m
2 stops
PDX9:12 pmPortland
Mar 3
PDX7:30 amPortland
15h 45m
1 stop
ICN4:15 pmIncheon Intl
$681
Find similar
United Airlines
Feb 10
ICN12:45 pmIncheon Intl
19h 01m
1 stop
PDX2:46 pmPortland
Feb 17
PDX5:05 amPortland
31h 35m
2 stops
ICN5:40 amIncheon Intl
$744
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 October 16, 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

Sat 2/7

6:55 pm-6:30 pm

1 stop16h 35m

Portland

Fri 2/13

9:50 am-5:10 pm

1 stop14h 20m

$580

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 1/30

6:55 pm-6:30 pm

1 stop16h 35m

Portland

Wed 2/25

9:50 am-5:10 pm

1 stop14h 20m

$613

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 1/31

8:35 pm-5:54 pm

1 stop14h 19m

Portland

Thu 2/26

7:00 am-6:35 pm

1 stop18h 35m

$614

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 12/17

8:05 pm-6:50 pm

1 stop15h 45m

Portland

Sat 2/28

5:45 pm-4:30 pm

1 stop29h 45m

$621

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 2/11

8:05 pm-4:29 pm

1 stop13h 24m

Portland

Wed 2/18

5:30 am-4:30 pm

1 stop18h 00m

$622

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sat 1/31

8:35 pm-6:56 pm

1 stop15h 21m

Portland

Fri 2/27

5:30 pm-6:35 pm

1 stop32h 05m

$625

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 2/2

6:00 pm-10:53 pm

2 stops21h 53m

Portland

Wed 2/25

7:49 pm-5:40 am

1 stop16h 51m

$646

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 2/13

8:35 pm-5:59 pm

1 stop14h 24m

Portland

Wed 2/18

7:45 pm-6:35 pm

1 stop29h 50m

$665

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sun 2/1

12:45 pm-9:12 pm

2 stops25h 27m

Portland

Tue 3/3

7:30 am-4:15 pm

1 stop15h 45m

$681

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 2/13

8:35 pm-10:26 pm

1 stop18h 51m

Portland

Fri 2/20

9:40 am-6:35 pm

1 stop15h 55m

$767

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 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 $746.

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 $823 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 October 2025, prices for Incheon Intl Airport to Portland flights are approximately 9% 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 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
10,306 reviews
Search Air Canada flights
Korean AirPriceFrom $706Free CancellationRating
8.4
1,149 reviews
Search Korean Air flights
DeltaPriceFrom $708Free CancellationRating
7.9
7,984 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
The Dalles
Pacific City
Tigard
Manzanita
Tillamook

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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