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Incheon Intl

$355+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ICN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Incheon Intl are usually found in January or February, booked 84 days in advance, depart on a Monday or Thursday and return on a Wednesday

Cheap 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 September 11, 2025.

Round-trip from

$700
(Kiwi.com)

One-way from

$355
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,090
From Portland to Incheon Intl
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One-way flight from Portland to Incheon Intl
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Highest demand for flights based on searches. 4% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 10/611:23 amPDX - ICN
2 stops36h 22mMultiple Airlines
Fri 10/178:35 pmICN - PDX
1 stop25h 45mMultiple Airlines
Deal found 9/11$708
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 10/1311:45 amPDX - ICN
2 stops25h 05mMultiple Airlines
Thu 10/238:35 pmICN - PDX
1 stop15h 53mMultiple Airlines
Deal found 9/11$710
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sun 10/122:18 pmPDX - ICN
1 stop33h 27mMultiple Airlines
Thu 10/238:35 pmICN - PDX
1 stop15h 53mMultiple Airlines
Deal found 9/11$715
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 10/611:23 amPDX - ICN
2 stops36h 22mMultiple Airlines
Wed 10/156:20 pmICN - PDX
1 stop14h 34mMultiple Airlines
Deal found 9/11$732
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 10/1311:45 amPDX - ICN
2 stops25h 05mMultiple Airlines
Wed 10/226:20 pmICN - PDX
1 stop14h 34mMultiple Airlines
Deal found 9/11$734
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sun 10/122:18 pmPDX - ICN
1 stop33h 27mMultiple Airlines
Wed 10/226:20 pmICN - PDX
1 stop14h 34mMultiple Airlines
Deal found 9/11$739
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 10/611:23 amPDX - ICN
2 stops36h 22mMultiple Airlines
Mon 10/136:20 pmICN - PDX
1 stop21h 12mMultiple Airlines
Deal found 9/11$744
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 10/1311:45 amPDX - ICN
2 stops25h 05mMultiple Airlines
Mon 10/206:20 pmICN - PDX
1 stop21h 12mMultiple Airlines
Deal found 9/11$747
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 10/135:45 pmPDX - ICN
1 stop19h 05mMultiple Airlines
Fri 10/178:35 pmICN - PDX
1 stop25h 45mMultiple Airlines
Deal found 9/11$750
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sun 10/199:08 amPDX - ICN
2 stops38h 37mMultiple Airlines
Wed 10/226:20 pmICN - PDX
1 stop14h 34mMultiple Airlines
Deal found 9/10$751
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sun 10/122:18 pmPDX - ICN
1 stop33h 27mMultiple Airlines
Mon 10/206:20 pmICN - PDX
1 stop21h 12mMultiple Airlines
Deal found 9/11$752

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 September 11, 2025.
Use the filters below to find and compare flights from Portland to Incheon Intl Airport that are best for you.

Fly from

Portland

Fly to

Incheon Intl

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 9/24

7:15 am-4:30 pm

1 stop17h 15m

Incheon Intl

Mon 10/6

7:20 pm-4:45 pm

1 stop13h 25m

$754

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 11/3

5:30 am-4:30 pm

1 stop18h 00m

Incheon Intl

Tue 11/11

8:05 pm-10:41 pm

1 stop19h 36m

$754

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 9/15

9:17 am-4:30 pm

1 stop15h 13m

Incheon Intl

Wed 10/15

7:20 pm-11:57 pm

1 stop20h 37m

$754

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 11/6

9:17 am-4:30 pm

1 stop14h 13m

Incheon Intl

Thu 11/13

8:05 pm-10:41 pm

1 stop19h 36m

$754

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 10/17

9:42 am-6:35 pm

1 stop16h 53m

Incheon Intl

Sat 10/25

8:35 pm-10:45 pm

1 stop18h 10m

$792

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 10/2

10:36 am-6:35 pm

1 stop15h 59m

Incheon Intl

Sat 10/18

8:35 pm-6:20 am

1 stop25h 45m

$885

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 11/7

7:30 am-6:35 pm

1 stop18h 05m

Incheon Intl

Fri 11/21

8:35 pm-12:18 am

1 stop20h 43m

$892

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 11/8

9:34 am-6:35 pm

1 stop16h 01m

Incheon Intl

Mon 11/17

8:35 pm-8:37 pm

1 stop17h 02m

$892

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 11/9

10:30 am-6:35 pm

1 stop15h 05m

Incheon Intl

Mon 11/17

8:35 pm-12:09 am

1 stop20h 34m

$892

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 10/31

7:30 am-4:30 pm

1 stop17h 00m

Incheon Intl

Sat 11/15

8:05 pm-7:19 pm

1 stop16h 14m

$892

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 24 results
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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?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Incheon Intl. Price data was last updated on August 29, 2025.

The best time to book flights from Portland to Incheon Intl Airport is 83 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 $990). Flying from Portland to Incheon Intl Airport in December is currently the most expensive (average of $1,633). 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.

What is the cheapest time of day to fly from PDX to ICN?

Find hourly flight availability from Portland to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland to Incheon Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight in the afternoon.

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

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 September 11, 2025.
See what other customers who have flown with Korean Air, Asiana Airlines, and Delta 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
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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
8.2
Very good
479 reviews
Korean Air
8.4
Very good
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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
8.0
Very good
7,960 reviews
Korean Air
8.4
Very good
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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.
United Airlines
7.4
Good
8,937 reviews
Korean Air
8.4
Very good
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

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. 7 airlines have flights to Incheon Intl from Portland on a regular basis.

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

    Delta and Alaska Airlines can get you from Portland to Incheon Intl Airport in just under 16h 53m. Your travel time can differ by up to 22m. There are 5273 mi between Portland and Incheon Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $767, Hawaiian Airlines will fly you from Portland to Incheon Intl Airport and back. In addition to Hawaiian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Delta - these airlines can fly you to your destination from $809 and $849, respectively. Hawaiian Airlines is priced at 33% lower than the current average price of a flight leaving 3 months from now.

  • 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 Orpheum Theatre, Pacific Central Station, and Capilano Suspension Bridge. Travelers on a layover in Vancouver can visit Orpheum Theatre, Pacific Central Station, and Capilano Suspension Bridge, by traveling 6.5 mi, 6.6 mi, and 10.6 mi, respectively after landing at Vancouver Intl. Travelers in need of a car in Vancouver can rent one for about $56 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 $990). Flying from Portland to Incheon Intl Airport in December is currently the most expensive (average of $1,633). 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
Suwon
Seongnam
Daejeon

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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.
Portland to Gimpo Intl flights
Boise to Incheon Intl flights
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Medford to Incheon Intl flights

Top 7 airlines flying from Portland to Incheon Intl

Discover the top 7 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$767Average$1,322FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$809Average$1,081FlexibilityNo cancel feeOn-time67%
DeltaCheapest$849Average$1,031FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$907Average$1,213FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$912Average$1,126FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$951Average$1,074FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$1,084Average$1,511FlexibilityNo cancel feeOn-time81%

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