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Incheon Intl

$429+ 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ICN
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
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 March 18, 2026.

This CheapOair deal was found by Cheapflights users on 3/15. 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.
Wed 4/159:50 am
PDX
-
ICN
1 stop14h 15m
Multiple Airlines
Wed 6/108:40 pm
ICN
-
PDX
2 stops28h 50m
Multiple Airlines
Deal found 3/15$761
This CheapOair deal was found by Cheapflights users on 3/14. 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.
Tue 9/110:10 am
PDX
-
ICN
1 stop13h 55m
Multiple Airlines
Tue 9/158:40 pm
ICN
-
PDX
2 stops28h 51m
Multiple Airlines
Deal found 3/14$771
This CheapOair deal was found by Cheapflights users on 3/14. 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.
Wed 4/159:50 am
PDX
-
ICN
1 stop14h 15m
Multiple Airlines
Thu 4/238:40 pm
ICN
-
PDX
2 stops28h 30m
Multiple Airlines
Deal found 3/14$801
This CheapOair deal was found by Cheapflights users on 3/16. 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 4/127:05 pm
PDX
-
ICN
1 stop29h 00m
Multiple Airlines
Thu 4/238:40 pm
ICN
-
PDX
2 stops28h 30m
Multiple Airlines
Deal found 3/16$807
This flugladen.de deal was found by Cheapflights users on 3/16. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/57:05 pm
PDX
-
ICN
1 stop29h 00m
Air Canada
Tue 4/215:45 pm
ICN
-
PDX
1 stop12h 55m
Air Canada
Deal found 3/16$852
This Gotogate deal was found by Cheapflights users on 3/15. 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.
Tue 4/219:50 am
PDX
-
ICN
1 stop14h 15m
Multiple Airlines
Mon 5/182:30 am
ICN
-
PDX
2 stops23h 00m
Multiple Airlines
Deal found 3/15$857
This Air Canada deal was found by Cheapflights users on 3/16. 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 4/139:50 am
PDX
-
ICN
1 stop14h 15m
Air Canada
Thu 4/235:45 pm
ICN
-
PDX
1 stop16h 45m
Air Canada
Deal found 3/16$870
This Booking.com deal was found by Cheapflights users on 3/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:30 pm
PDX
-
ICN
1 stop32h 35m
Multiple Airlines
Sun 11/292:30 am
ICN
-
PDX
2 stops23h 55m
Multiple Airlines
Deal found 3/15$876

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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$761
(CheapOair)

One-way from

$429
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,138
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. 15% potential increase in price ($216 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 18, 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

Wed 4/22

7:14 pm-4:20 am

1 stop17h 06m

Incheon Intl

Sun 4/26

11:30 am-10:24 am

1 stop14h 54m

$1,013

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 5/3

5:35 pm-4:20 am

1 stop18h 45m

Incheon Intl

Mon 5/18

11:30 am-12:35 pm

1 stop17h 05m

$1,013

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 5/5

5:30 am-3:00 pm

1 stop17h 30m

Incheon Intl

Mon 5/11

11:30 am-12:35 pm

1 stop17h 05m

$1,013

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 4/19

7:05 am-4:50 pm

1 stop17h 45m

Incheon Intl

Sat 4/25

7:00 pm-5:01 pm

1 stop14h 01m

$1,014

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 5/8

7:15 am-3:00 pm

1 stop15h 45m

Incheon Intl

Sun 6/7

4:50 pm-5:44 pm

1 stop16h 54m

$1,050

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 5/6

5:20 am-3:00 pm

1 stop17h 40m

Incheon Intl

Sun 6/7

4:50 pm-5:44 pm

1 stop16h 54m

$1,050

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 5/7

3:59 pm-4:20 am

1 stop20h 21m

Incheon Intl

Fri 6/5

11:30 am-12:08 pm

1 stop16h 38m

$1,050

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 5/7

3:59 pm-4:20 am

1 stop20h 21m

Incheon Intl

Sun 6/7

4:50 pm-5:44 pm

1 stop16h 54m

$1,050

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 5/3

5:00 am-4:20 am

2 stops31h 20m

Incheon Intl

Fri 6/5

11:30 am-10:55 pm

2 stops27h 25m

$1,055

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 4/12

7:05 am-4:50 pm

1 stop17h 45m

Incheon Intl

Sat 4/25

7:00 pm-6:52 pm

1 stop15h 52m

$1,087

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 20 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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?

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 March 13, 2026.

The best time to book flights from Portland to Incheon Intl Airport is 84 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, April is the cheapest month in which you can book a flight from Portland to Incheon Intl Airport (average of $780). Flying from Portland to Incheon Intl Airport in July is currently the most expensive (average of $1,205). 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 March 18, 2026.
See what other customers who have flown with Korean Air,Asiana Airlines, andDelta 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
1,202 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Entertainment

8.2

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
1,202 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Entertainment

8.2

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
8.1
Very good
507 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Entertainment

8.2

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
7.9
Good
8,288 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Entertainment

8.2

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
9,435 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Entertainment

8.2

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
10,813 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Entertainment

8.2

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

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

    United Airlines and Delta can get you from Portland to Incheon Intl Airport in just under 17h 30m. Your travel time can differ by up to 15m. 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 $791, Air Canada will fly you from Portland to Incheon Intl Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Delta - these airlines can fly you to your destination from $815 and $849, respectively. Air Canada is priced at 33% 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 Delta. According to our data, you can fly for as low as $432. Users have also found prices from $450 and $450 on Air Canada 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 Orpheum Theatre, Pacific Central Station, and Queen Elizabeth Theatre. Travelers on a layover in Vancouver can visit Orpheum Theatre, Pacific Central Station, and Queen Elizabeth Theatre, by traveling 6.5 mi, 6.6 mi, and 6.6 mi, respectively after landing at Vancouver Intl. Travelers in need of a car in Vancouver can rent one for about $35 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, April is the cheapest month in which you can book a flight from Portland to Incheon Intl Airport (average of $780). Flying from Portland to Incheon Intl Airport in July is currently the most expensive (average of $1,205). 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 March 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$791Average$1,188FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$815Average$988FlexibilityNo cancel feeOn-time75%
DeltaCheapest$849Average$1,227FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$910Average$1,209FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$914Average$1,139FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,082Average$1,540FlexibilityNo cancel feeOn-time81%

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