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Incheon Intl

$379+ Cheap flights from Portland (PDX) to Incheon Intl (ICN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ICN
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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Cheap flight deals from Portland to Incheon Intl

Cheapest flights from Portland to Incheon Intl
Explore the most affordable flight options available from Portland to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.

This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/92:30 pm
PDX
-
ICN
1 stop36h 15m
Multiple Airlines
Tue 9/81:30 pm
ICN
-
PDX
2 stops35h 55m
Multiple Airlines
Deal found 7/29$777
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:03 am
PDX
-
ICN
1 stop21h 07m
Multiple Airlines
Sat 9/56:00 pm
ICN
-
PDX
1 stop14h 50m
Multiple Airlines
Deal found 7/30$847
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:03 am
PDX
-
ICN
1 stop22h 37m
Multiple Airlines
Wed 9/27:15 pm
ICN
-
PDX
1 stop17h 20m
Multiple Airlines
Deal found 7/29$849
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:37 am
PDX
-
ICN
1 stop19h 03m
Multiple Airlines
Wed 10/147:15 pm
ICN
-
PDX
1 stop17h 35m
Multiple Airlines
Deal found 7/30$866
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:01 am
PDX
-
ICN
1 stop21h 19m
Multiple Airlines
Mon 11/97:45 pm
ICN
-
PDX
1 stop20h 00m
Multiple Airlines
Deal found 7/29$873
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am
PDX
-
ICN
1 stop21h 10m
Multiple Airlines
Sun 10/117:15 pm
ICN
-
PDX
1 stop30h 14m
Multiple Airlines
Deal found 7/30$874
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am
PDX
-
ICN
1 stop21h 10m
Multiple Airlines
Wed 10/217:15 pm
ICN
-
PDX
1 stop17h 35m
Multiple Airlines
Deal found 7/30$875
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:37 pm
PDX
-
ICN
1 stop33h 03m
Multiple Airlines
Mon 10/127:15 pm
ICN
-
PDX
1 stop17h 35m
Multiple Airlines
Deal found 7/30$876
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:35 pm
PDX
-
ICN
1 stop32h 05m
Multiple Airlines
Sun 10/117:15 pm
ICN
-
PDX
1 stop30h 14m
Multiple Airlines
Deal found 7/30$877
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:35 pm
PDX
-
ICN
1 stop32h 05m
Multiple Airlines
Fri 10/167:15 pm
ICN
-
PDX
1 stop30h 35m
Multiple Airlines
Deal found 7/30$878
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:35 pm
PDX
-
ICN
1 stop32h 05m
Multiple Airlines
Sat 10/176:00 pm
ICN
-
PDX
1 stop18h 50m
Multiple Airlines
Deal found 7/30$879
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:01 am
PDX
-
ICN
1 stop21h 19m
Multiple Airlines
Sun 11/87:45 pm
ICN
-
PDX
1 stop30h 50m
Multiple Airlines
Deal found 7/28$880

Find flight deals from Portland to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Incheon Intl (ICN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$847
(Kiwi.com)

One-way from

$379
(SmartFares)

Popular in

December

Cheapest in

February

Average price

$1,008
Provider with most accurate pricing for Portland-Incheon Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Incheon Intl flights.
Search Deals
From Portland to Incheon Intl
Search Deals
One-way flight from Portland to Incheon Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($145 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Incheon Intl 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, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2026.
Use the filters below to find and compare flights from Portland to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 9/19

6:50 pm-5:30 pm

2 stops30h 40m

Incheon Intl

Sat 9/26

7:35 pm-8:50 pm

2 stops17h 15m

$1,021

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 11/27

5:41 pm-5:35 pm

2 stops30h 54m

Incheon Intl

Sun 12/6

8:00 pm-9:37 am

2 stops30h 37m

$1,032

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 9/27

8:37 pm-5:30 pm

2 stops28h 53m

Incheon Intl

Sat 10/10

7:35 pm-9:29 am

2 stops29h 54m

$1,051
Quickest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 10/27

5:36 am-4:15 pm

1 stop18h 39m

Incheon Intl

Tue 11/10

6:00 pm-6:20 pm

1 stop17h 20m

$1,107

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 10/5

5:30 am-4:50 pm

1 stop19h 20m

Incheon Intl

Mon 10/12

7:00 pm-8:00 pm

1 stop17h 00m

$1,107

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 10/5

2:27 pm-3:20 pm

2 stops32h 53m

Incheon Intl

Tue 10/13

4:50 pm-9:28 am

2 stops32h 38m

$1,111

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 10/5

9:33 pm-5:30 pm

2 stops51h 57m

Incheon Intl

Mon 10/12

7:35 pm-7:54 pm

1 stop16h 19m

$1,124

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 10/5

7:37 pm-11:00 am

2 stops23h 23m

Incheon Intl

Mon 10/12

12:00 pm-8:50 pm

2 stops24h 50m

$1,125

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 11/3

9:32 pm-5:35 pm

2 stops27h 03m

Incheon Intl

Sat 11/21

8:00 pm-10:58 pm

1 stop19h 58m

$1,144

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 8/15

11:15 am-4:20 am

1 stop25h 05m

Incheon Intl

Wed 8/26

11:30 am-6:19 pm

1 stop22h 49m

$1,157

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/2

Showing 1-10 of 21 resultsSorted by cheapest first
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3

Compare providers for flights from Portland to Incheon Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Incheon Intl in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Incheon Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Incheon Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Incheon Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Incheon Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Incheon Intl Airport

How far ahead should I book a flight from Portland to Incheon Intl Airport?

The best time to book flights from Portland to Incheon Intl Airport is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Portland to Incheon Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Portland to Incheon Intl Airport (average of $989). Flying from Portland to Incheon Intl Airport in December is currently the most expensive (average of $1,664). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Portland to Incheon Intl Airport?

Airfare is below average for this route at the moment.

Portland to Incheon Intl Airport flights typically cost between $921 and $1,287 in August.
The cheapest round-trip price found within the last 5 days was $847 on Multiple Airlines (Aug 29-Sep 5).

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Incheon Intl. Reviews last updated August 2, 2026.
See what other customers who have flown with Korean Air,Asiana Airlines, andAlaska Airlines from Portland to Incheon Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,223 reviews

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,223 reviews
Korean Air
8.4
Very good
1,223 reviews

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.1
Very good
553 reviews
Korean Air
8.4
Very good
1,223 reviews

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Alaska Airlines
7.9
Good
12,750 reviews
Korean Air
8.4
Very good
1,223 reviews

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
7.8
Good
8,492 reviews
Korean Air
8.4
Very good
1,223 reviews

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air Canada
7.1
Good
11,419 reviews
Korean Air
8.4
Very good
1,223 reviews

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Portland to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Incheon Intl?

    For a flight from Portland to Incheon Intl, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city. Portland is the only Portland airport and it handles 0 outbound flights to Incheon Intl per day. 6 airlines have flights to Incheon Intl from Portland on a regular basis.

  • How long is the flight from Portland to Incheon Intl Airport?

    Alaska Airlines can get you from Portland to Incheon Intl Airport in just under 30h 45m. Your travel time can differ by up to . There are 5273 mi between Portland and Incheon Intl Airport.

  • What are the cheapest airlines flying from Portland to Incheon Intl Airport round-trip?

    Currently priced at $161, Alaska Airlines will fly you from Portland to Incheon Intl Airport and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Asiana Airlines - these airlines can fly you to your destination from $791 and $881, respectively. Alaska Airlines is priced at 87% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Portland to Incheon Intl Airport one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $400. Users have also found prices from $460 and $468 on Delta and United Airlines, respectively.

  • Where are the most common layover locations when flying from Portland to Incheon Intl Airport?

    Flights departing from Portland and landing in Incheon Intl Airport layover in Vancouver most frequently.

  • What are some popular things to do or see while on a layover in Vancouver?

    The majority of Vancouver visitors spend their time at Queen Elizabeth Theatre, Pacific Central Station, and Orpheum Theatre. Travelers on a layover in Vancouver can visit Queen Elizabeth Theatre, Pacific Central Station, and Orpheum Theatre, by traveling 6.6 mi, 6.6 mi, and 6.5 mi, respectively after landing at Vancouver Intl. Travelers in need of a car in Vancouver can rent one for about $59 per day.

  • Where are the least popular layover locations for Portland to Incheon Intl Airport flights?

    Flights departing from Portland and landing in Incheon Intl Airport layover in Seattle least frequently.

  • Can I find deals for flights from Portland to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on Portland to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Incheon Intl.

  • Can I find deals for business class flights from Portland to Incheon Intl?

    Yes. Cheapflights offers flight deals from Portland to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Incheon Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Portland to Incheon Intl Airport (average of $989). Flying from Portland to Incheon Intl Airport in December is currently the most expensive (average of $1,664). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Seongnam
Suwon

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Alternative routes for Portland to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Incheon Intl flights

Top 6 airlines flying from Portland to Incheon Intl

Discover the top 6 airlines that operate flights from Portland to Incheon Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$161Average$1,053FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$791Average$1,228FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$881Average$1,253FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$915Average$1,336FlexibilityNo cancel feeOn-time69%
DeltaCheapest$916Average$1,239FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,155Average$1,223FlexibilityNo cancel feeOn-time81%

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