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Incheon Intl

$404+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ICN
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Incheon Intl are usually found in February or April, booked 24 days in advance, depart on a Monday or Thursday and return on a Wednesday

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 October 29, 2025.

This Air Canada deal was found by Cheapflights users on 10/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:00 pmPDX - ICN
1 stop29h 10mMultiple Airlines
Thu 11/132:35 pmICN - PDX
2 stops20h 55mMultiple Airlines
Deal found 10/29$772
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Fri 11/288:59 amPDX - ICN
2 stops43h 36mMultiple Airlines
Mon 12/86:55 pmICN - PDX
1 stop18h 55mMultiple Airlines
Deal found 10/28$787
This Air Canada deal was found by Cheapflights users on 10/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:00 pmPDX - ICN
1 stop29h 10mAir Canada
Mon 11/176:55 pmICN - PDX
1 stop12h 45mAir Canada
Deal found 10/27$813
This Gotogate deal was found by Cheapflights users on 10/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:00 pmPDX - ICN
1 stop29h 10mMultiple Airlines
Wed 11/192:35 pmICN - PDX
2 stops20h 55mMultiple Airlines
Deal found 10/29$822
This Air Canada deal was found by Cheapflights users on 10/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:50 amPDX - ICN
2 stops19h 35mMultiple Airlines
Wed 12/35:55 pmICN - PDX
1 stop17h 35mMultiple Airlines
Deal found 10/28$831
This Air Canada deal was found by Cheapflights users on 10/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/19:50 amPDX - ICN
2 stops19h 35mMultiple Airlines
Wed 12/105:55 pmICN - PDX
1 stop17h 35mMultiple Airlines
Deal found 10/28$836
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amPDX - ICN
1 stop20h 35mAlaska Airlines
Fri 10/318:35 pmICN - PDX
1 stop35h 56mAlaska Airlines
Deal found 10/28$849
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:30 amPDX - ICN
1 stop19h 05mAlaska Airlines
Sat 11/158:35 pmICN - PDX
1 stop14h 12mAlaska Airlines
Deal found 10/28$853
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:30 amPDX - ICN
1 stop15h 40mUnited Airlines
Tue 11/46:00 pmICN - PDX
2 stops20h 26mUnited Airlines
Deal found 10/27$857
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:38 pmPDX - ICN
1 stop27h 37mUnited Airlines
Mon 12/1512:45 pmICN - PDX
1 stop19h 02mUnited Airlines
Deal found 10/27$859
This CheapOair deal was found by Cheapflights users on 10/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:00 pmPDX - ICN
1 stop29h 10mMultiple Airlines
Mon 11/172:35 pmICN - PDX
2 stops20h 55mMultiple Airlines
Deal found 10/29$861

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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$753
(Air Canada)

One-way from

$404
(Air Canada)

Popular in

December

Cheapest in

February

Average price

$1,249
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. 8% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 29, 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 11/12

6:00 am-4:15 pm

1 stop17h 15m

Incheon Intl

Fri 11/21

6:00 pm-2:46 pm

1 stop13h 46m

$853

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 4/4

4:00 pm-6:35 pm

1 stop34h 35m

Incheon Intl

Wed 4/15

8:35 pm-10:21 pm

1 stop17h 46m

$871

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/16

7:40 am-6:35 pm

1 stop18h 55m

Incheon Intl

Mon 4/20

8:35 pm-6:48 pm

1 stop14h 13m

$886

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 3/30

6:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

Thu 4/16

8:35 pm-10:21 pm

1 stop17h 46m

$886

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 4/21

3:41 pm-4:30 am

1 stop20h 49m

Incheon Intl

Sat 5/23

8:40 pm-8:05 pm

1 stop15h 25m

$903

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 11/10

7:38 pm-5:55 am

1 stop17h 17m

Incheon Intl

Wed 6/3

8:40 pm-8:05 pm

1 stop15h 25m

$903

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 3/30

6:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

Fri 4/17

8:35 pm-10:21 pm

1 stop17h 46m

$936

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 3/29

9:45 pm-6:35 pm

1 stop28h 50m

Incheon Intl

Sun 4/19

8:35 pm-12:03 am

1 stop19h 28m

$941

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/2

11:30 am-6:35 pm

1 stop15h 05m

Incheon Intl

Fri 4/17

8:35 pm-8:43 pm

1 stop16h 08m

$960

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/2

7:30 am-3:00 pm

1 stop15h 30m

Incheon Intl

Mon 4/13

11:30 am-10:15 am

1 stop14h 45m

$961

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 20 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Incheon Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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?

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 October 24, 2025.

The best time to book flights from Portland to Incheon Intl Airport is 24 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, June is the cheapest month in which you can book a flight from Portland to Incheon Intl Airport (average of $686). Flying from Portland to Incheon Intl Airport in August is currently the most expensive (average of $961). 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?

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 October 29, 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
1,155 reviews

Entertainment

8.2

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

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
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews

Entertainment

8.2

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

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
483 reviews
Korean Air
8.4
Very good
1,155 reviews

Entertainment

8.2

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

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
7.9
Good
7,993 reviews
Korean Air
8.4
Very good
1,155 reviews

Entertainment

8.2

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

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
9,001 reviews
Korean Air
8.4
Very good
1,155 reviews

Entertainment

8.2

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

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
10,372 reviews
Korean Air
8.4
Very good
1,155 reviews

Entertainment

8.2

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

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?

    Alaska Airlines and United Airlines can get you from Portland to Incheon Intl Airport in just under 23h 45m. Your travel time can differ by up to 5h 05m. 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 Alaska Airlines - these airlines can fly you to your destination from $809 and $847, respectively. Hawaiian Airlines is priced at 34% 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 $37 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, June is the cheapest month in which you can book a flight from Portland to Incheon Intl Airport (average of $686). Flying from Portland to Incheon Intl Airport in August is currently the most expensive (average of $961). 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

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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
Eugene to Incheon Intl flights
Boise to Incheon Intl flights
Boise to Gimpo Intl flights
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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$767Average$1,292FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$809Average$1,096FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$847Average$1,072FlexibilityNo cancel feeOn-time75%
DeltaCheapest$849Average$1,026FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$907Average$1,339FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$912Average$1,126FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,082Average$1,511FlexibilityNo cancel feeOn-time81%

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