HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Incheon Intl

$449+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ICN
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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.

Cheapflights Tip: The best prices from Portland to Incheon Intl are usually found in January or February, booked 83 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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$875
(Kiwi.com)

One-way from

$449
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$1,088
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. 14% potential increase in price ($214 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/26. 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 4/127:01 pmPDX - ICN
2 stops33h 29mMultiple Airlines
Tue 4/2212:45 pmICN - PDX
1 stop16h 40mMultiple Airlines
Deal found 3/26$875
This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/12:45 pmPDX - ICN
2 stops31h 20mCathay Pacific
Tue 9/168:05 pmICN - PDX
2 stops29h 20mCathay Pacific
Deal found 3/25$1,062
This Air Canada deal was found by Cheapflights users on 3/25. 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 9/110:10 amPDX - ICN
1 stop13h 55mAir Canada
Tue 9/165:45 pmICN - PDX
1 stop13h 01mAir Canada
Deal found 3/25$1,126
This Fareboom deal was found by Cheapflights users on 3/25. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:55 pmPDX - ICN
2 stops32h 40mChina Airlines
Mon 10/208:35 pmICN - PDX
2 stops29h 00mChina Airlines
Deal found 3/25$1,133
This WestJet deal was found by Cheapflights users on 3/25. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/301:45 pmPDX - ICN
1 stop37h 00mWestJet
Sun 9/78:45 pmICN - PDX
2 stops39h 31mWestJet
Deal found 3/25$1,198
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/29:10 amPDX - ICN
1 stop14h 30mDelta
Tue 11/118:05 pmICN - PDX
1 stop20h 47mDelta
Deal found 3/24$1,205
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/315:57 pmPDX - ICN
2 stops29h 33mAmerican Airlines
Mon 4/75:25 pmICN - PDX
1 stop21h 22mAmerican Airlines
Deal found 3/25$1,213
This United Airlines deal was found by Cheapflights users on 3/24. 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 11/34:05 pmPDX - ICN
2 stops20h 35mUnited Airlines
Tue 11/1112:45 pmICN - PDX
1 stop16h 42mUnited Airlines
Deal found 3/24$1,260
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Sat 10/116:00 amPDX - ICN
1 stop20h 50mAlaska Airlines
Sat 10/259:25 pmICN - PDX
1 stop24h 35mAlaska Airlines
Deal found 3/25$1,276
This eDestinos deal was found by Cheapflights users on 3/24. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/88:34 amPDX - ICN
1 stop15h 56mKorean Air
Sun 8/174:40 pmICN - PDX
1 stop13h 57mKorean Air
Deal found 3/24$1,300
This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:05 amPDX - ICN
2 stops43h 00mQatar Airways
Tue 9/91:20 amICN - PDX
2 stops30h 37mQatar Airways
Deal found 3/25$1,423
This FlightHub deal was found by Cheapflights users on 3/25. 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 4/206:05 amPDX - ICN
2 stops37h 50mChina Eastern
Sun 4/274:20 pmICN - PDX
2 stops39h 33mChina Eastern
Deal found 3/25$1,443

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 26, 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

Sat 4/12

7:01 pm-8:30 pm

2 stops33h 29m

Incheon Intl

Tue 4/22

12:45 pm-1:25 pm

1 stop16h 40m

$875

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 9/1

2:45 pm-2:05 pm

2 stops31h 20m

Incheon Intl

Tue 9/16

8:05 pm-9:25 am

2 stops29h 20m

$1,062

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 9/1

10:10 am-4:05 pm

1 stop13h 55m

Incheon Intl

Tue 9/16

5:45 pm-2:46 pm

1 stop13h 01m

$1,126

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 8/30

1:45 pm-6:45 pm

1 stop37h 00m

Incheon Intl

Sun 9/7

8:45 pm-8:16 pm

2 stops39h 31m

$1,198

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 8/31

1:43 am-3:30 pm

1 stop21h 47m

Incheon Intl

Tue 9/16

5:25 pm-8:53 pm

1 stop19h 28m

$1,205

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 4/24

5:10 am-4:30 pm

1 stop19h 20m

Incheon Intl

Thu 5/1

7:20 pm-8:28 am

1 stop29h 08m

$1,211

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 4/13

11:36 am-7:35 pm

2 stops39h 59m

Incheon Intl

Sun 5/25

12:35 pm-11:59 pm

2 stops27h 24m

$1,231

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 4/23

5:00 am-4:20 am

2 stops31h 20m

Incheon Intl

Wed 4/30

11:30 am-5:27 pm

2 stops21h 57m

$1,260

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 8/8

8:34 am-4:30 pm

1 stop15h 56m

Incheon Intl

Sun 8/17

4:40 pm-2:37 pm

1 stop13h 57m

$1,300

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 8/17

7:00 am-7:00 pm

2 stops20h 00m

Incheon Intl

Sun 8/31

9:25 pm-6:00 am

1 stop24h 35m

$1,370

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 23 results
1
2
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 21, 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 $1,002). Flying from Portland to Incheon Intl Airport in June 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.

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 March 26, 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.

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 26, 2025.
Get a feel of what it's like to fly with Korean Air, China Airlines and Alaska Airlines from Portland to Seoul by reading reviews from past customers. 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
1,049 reviews

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

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
1,049 reviews
Korean Air
8.4
Very good
1,049 reviews

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

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.
China Airlines
8.2
Very good
722 reviews
Korean Air
8.4
Very good
1,049 reviews

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

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
8.0
Very good
9,789 reviews
Korean Air
8.4
Very good
1,049 reviews

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

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
8.0
Very good
7,891 reviews
Korean Air
8.4
Very good
1,049 reviews

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

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.
Cathay Pacific
7.5
Good
835 reviews
Korean Air
8.4
Very good
1,049 reviews

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

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

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

    Currently priced at $1,062, Cathay Pacific will fly you from Portland to Incheon Intl Airport and back. In addition to Cathay Pacific, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and WestJet - these airlines can fly you to your destination from $1,126 and $1,198, respectively. Cathay Pacific is priced at 13% 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 WestJet. According to our data, you can fly for as low as $531. Users have also found prices from $596 and $691 on Air Canada and Cathay Pacific, 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 Pacific Central Station, Queen Elizabeth Theatre, and Vancouver Harbour Centre. Travelers on a layover in Vancouver can visit Pacific Central Station, Queen Elizabeth Theatre, and Vancouver Harbour Centre, by traveling 6.6 mi, 6.6 mi, and 6.9 mi, respectively after landing at Vancouver Intl. Travelers in need of a car in Vancouver can rent one for about $34 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 $1,002). Flying from Portland to Incheon Intl Airport in June 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 Portland?

Book flights to Portland if you plan to visit one of these locations
Suwon
Seongnam
Daejeon

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

Top 5 airlines flying from Portland to Incheon Intl

Discover the top 5 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$403Average$1,109FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$809Average$1,082FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$907Average$1,621FlexibilityNo cancel feeOn-time69%
DeltaCheapest$907Average$1,229FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,091Average$1,565FlexibilityNo 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.