HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Incheon Intl

$412+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ICN
abr. 9 — abr. 161
jue. 4/9
jue. 4/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Incheon Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 marzo 10, 2026.

This CheapOair deal was found by Cheapflights users on 3/5. 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.
mié. 5/137:45 pm
PDX
-
ICN
1 stop28h 20m
Multiple Airlines
mié. 5/208:40 pm
ICN
-
PDX
2 stops28h 50m
Multiple Airlines
Deal found 3/5$708
This CheapOair deal was found by Cheapflights users on 3/7. 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.
mar. 9/110:10 am
PDX
-
ICN
1 stop13h 55m
Multiple Airlines
lun. 9/148:40 pm
ICN
-
PDX
2 stops28h 51m
Multiple Airlines
Deal found 3/7$721
This CheapOair deal was found by Cheapflights users on 3/7. 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.
dom. 8/307:45 pm
PDX
-
ICN
1 stop28h 20m
Multiple Airlines
dom. 9/138:40 pm
ICN
-
PDX
2 stops28h 51m
Multiple Airlines
Deal found 3/7$728
This CheapOair deal was found by Cheapflights users on 3/5. 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.
jue. 4/99:50 am
PDX
-
ICN
1 stop14h 15m
Multiple Airlines
jue. 4/238:40 pm
ICN
-
PDX
2 stops28h 30m
Multiple Airlines
Deal found 3/5$751
This CheapOair deal was found by Cheapflights users on 3/8. 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.
dom. 4/123:15 pm
PDX
-
ICN
1 stop32h 50m
Multiple Airlines
jue. 4/238:40 pm
ICN
-
PDX
2 stops37h 50m
Multiple Airlines
Deal found 3/8$758
This CheapOair deal was found by Cheapflights users on 3/5. 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.
dom. 4/127:05 pm
PDX
-
ICN
1 stop29h 00m
Multiple Airlines
sáb. 4/258:40 pm
ICN
-
PDX
2 stops28h 30m
Multiple Airlines
Deal found 3/5$768
This Gotogate deal was found by Cheapflights users on 3/9. 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.
dom. 4/57:05 pm
PDX
-
ICN
1 stop29h 00m
Multiple Airlines
dom. 4/192:30 am
ICN
-
PDX
2 stops22h 40m
Multiple Airlines
Deal found 3/9$781
This Gotogate deal was found by Cheapflights users on 3/6. 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.
mar. 9/110:10 am
PDX
-
ICN
1 stop13h 55m
Multiple Airlines
lun. 9/142:30 am
ICN
-
PDX
2 stops23h 01m
Multiple Airlines
Deal found 3/6$792
This lol.travel deal was found by Cheapflights users on 3/9. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/57:05 pm
PDX
-
ICN
1 stop29h 00m
Air Canada
lun. 4/205:45 pm
ICN
-
PDX
1 stop16h 45m
Air Canada
Deal found 3/9$793
This Gotogate deal was found by Cheapflights users on 3/5. 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.
mar. 4/149:50 am
PDX
-
ICN
1 stop14h 15m
Multiple Airlines
lun. 4/272:30 am
ICN
-
PDX
2 stops22h 40m
Multiple Airlines
Deal found 3/5$794
This CheapOair deal was found by Cheapflights users on 3/6. 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.
mié. 4/229:50 am
PDX
-
ICN
1 stop14h 15m
Multiple Airlines
mié. 5/278:40 pm
ICN
-
PDX
2 stops28h 50m
Multiple Airlines
Deal found 3/6$795

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 marzo 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$708
(CheapOair)

One-way from

$412
(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 ($213 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 marzo 10, 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

mié. 4/22

8:45 am-5:30 pm

1 stop16h 45m

Incheon Intl

dom. 4/26

7:35 pm-7:34 pm

1 stop15h 59m

$914

PortlandIncheon

PDX - ICN

PDXICN

Portland

dom. 5/3

6:00 am-5:30 pm

1 stop19h 30m

Incheon Intl

lun. 5/18

7:35 pm-6:43 pm

1 stop15h 08m

$914

PortlandIncheon

PDX - ICN

PDXICN

Portland

vie. 5/1

1:52 pm-5:30 pm

1 stop35h 38m

Incheon Intl

dom. 5/3

7:35 pm-2:36 pm

1 stop35h 01m

$915

PortlandIncheon

PDX - ICN

PDXICN

Portland

mié. 5/6

4:15 pm-4:20 am

2 stops20h 05m

Incheon Intl

mar. 5/12

11:30 am-4:33 pm

1 stop21h 03m

$964

PortlandIncheon

PDX - ICN

PDXICN

Portland

vie. 5/8

5:30 am-3:00 pm

1 stop17h 30m

Incheon Intl

dom. 5/17

4:50 pm-12:59 am

1 stop24h 09m

$964

PortlandIncheon

PDX - ICN

PDXICN

Portland

jue. 5/7

7:45 pm-4:20 am

1 stop16h 35m

Incheon Intl

jue. 5/21

4:50 pm-4:47 pm

1 stop15h 57m

$964

PortlandIncheon

PDX - ICN

PDXICN

Portland

vie. 8/7

5:34 pm-4:30 am

1 stop18h 56m

Incheon Intl

dom. 8/16

8:50 pm-8:34 pm

1 stop15h 44m

$990
Quickest round-trip

PortlandIncheon

PDX - ICN

PDXICN

Portland

jue. 5/7

5:30 am-3:00 pm

1 stop17h 30m

Incheon Intl

sáb. 5/16

4:50 pm-2:57 pm

1 stop14h 07m

$1,013

PortlandIncheon

PDX - ICN

PDXICN

Portland

vie. 8/7

5:15 am-4:20 am

1 stop31h 05m

Incheon Intl

dom. 8/16

11:30 am-12:47 am

1 stop29h 17m

$1,028

PortlandIncheon

PDX - ICN

PDXICN

Portland

dom. 8/9

7:38 pm-11:00 am

2 stops23h 22m

Incheon Intl

lun. 8/24

12:00 pm-8:48 pm

2 stops24h 48m

$1,032

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 19 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 6, 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 $761). 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 marzo 10, 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

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

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

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

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
504 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

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
8,276 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

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
9,409 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

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
10,800 reviews
Korean Air
8.4
Very good
1,202 reviews

Boarding

8.5

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

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 and United Airlines can get you from Portland to Incheon Intl Airport in just under 16h 45m. Your travel time can differ by up to 3h 20m. 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 $792, 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 $441 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 Seattle most frequently.

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

    The majority of Seattle visitors spend their time at Pike Place Market, Space Needle, and Seattle Waterfront. Travelers on a layover in Seattle can visit Pike Place Market, Space Needle, and Seattle Waterfront, by traveling 11.2 mi, 12.0 mi, and 10.9 mi, respectively after landing at Seattle/Tacoma Intl. Travelers in need of a car in Seattle 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 Vancouver 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 $761). 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
Suwon
Seongnam

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 marzo 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$792Average$1,174FlexibilityNo 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$1,126FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,082Average$1,544FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights