South Korea

$408+ Cheap flights from Portland (PDX) to South Korea

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ICN
Aug 3 — Aug 101
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to South Korea 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 South Korea

Keep the following information in mind while searching for Portland to South Korea flight deals. Data was last updated July 29, 2025.

Round-trip from

$720
(Air Canada)

One-way from

$408
(Mytrip)

Popular in

August

Cheapest in

March

Average price

$1,340
From Portland to South Korea
One-way flight from Portland to South Korea
Highest demand for flights based on searches. 10% potential increase in price ($129 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Portland to South Korea

Cheapest flights from Portland to South Korea
Explore the most affordable flight options available from Portland to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Air Canada deal was found by Cheapflights users on 7/29. 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.
Mon 9/157:40 pmPDX - ICN
1 stop28h 25mMultiple Airlines
Wed 10/159:45 amICN - PDX
2 stops25h 01mMultiple Airlines
Deal found 7/29$720
This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/217:40 amPDX - ICN
1 stop19h 20mHawaiian Airlines
Wed 9/39:25 pmICN - PDX
1 stop34h 58mHawaiian Airlines
Deal found 7/27$788
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 8/169:40 pmPDX - ICN
2 stops29h 20mAlaska Airlines
Fri 8/229:25 pmICN - PDX
2 stops35h 06mAlaska Airlines
Deal found 7/28$791
This CheapOair deal was found by Cheapflights users on 7/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:00 amPDX - ICN
1 stop14h 05mAir Canada
Wed 10/155:45 pmICN - PDX
1 stop13h 01mAir Canada
Deal found 7/28$828
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/11:45 pmPDX - ICN
1 stop22h 35mUnited Airlines
Sat 9/274:50 pmICN - PDX
1 stop21h 55mUnited Airlines
Deal found 7/29$861
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:17 amPDX - ICN
1 stop15h 13mDelta
Mon 10/137:20 pmICN - PDX
1 stop20h 37mDelta
Deal found 7/29$961
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:40 amPDX - GMP
2 stops18h 20mMultiple Airlines
Tue 9/167:55 amGMP - PDX
2 stops21h 29mMultiple Airlines
Deal found 7/28$1,062
This oojo deal was found by Cheapflights users on 7/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:35 pmPDX - PUS
2 stops33h 25mChina Airlines
Sat 9/2710:20 amPUS - PDX
2 stops39h 05mChina Airlines
Deal found 7/28$1,068
This oojo deal was found by Cheapflights users on 7/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:00 amPDX - GMP
2 stops22h 20mJapan Airlines
Fri 11/2112:05 pmGMP - PDX
2 stops18h 42mJapan Airlines
Deal found 7/27$1,128
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:08 pmPDX - PUS
2 stops22h 37mKorean Air
Sat 9/274:30 pmPUS - PDX
2 stops19h 55mKorean Air
Deal found 7/29$1,256
This oojo deal was found by Cheapflights users on 7/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/119:59 pmPDX - GMP
2 stops29h 16mEVA Air
Fri 8/221:50 pmGMP - PDX
2 stops25h 49mEVA Air
Deal found 7/27$1,344
This KAYAK deal was found by Cheapflights users on 7/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2810:00 amPDX - GMP
2 stops33h 05mANA
Tue 10/1412:40 pmGMP - PDX
2 stops22h 06mANA
Deal found 7/29$1,377

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to South Korea 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 July 29, 2025.
Use the filters below to find and compare flights from Portland to South Korea that are best for you.

Fly from

Portland

Fly to

South Korea

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 9/15

7:40 pm-4:05 pm

1 stop28h 25m

Incheon Intl

Wed 10/15

9:45 am-6:46 pm

2 stops25h 01m

$720

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 8/21

7:40 am-7:00 pm

1 stop19h 20m

Incheon Intl

Wed 9/3

9:25 pm-4:23 pm

1 stop34h 58m

$788

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 8/16

9:40 pm-7:00 pm

2 stops29h 20m

Incheon Intl

Fri 8/22

9:25 pm-4:31 pm

2 stops35h 06m

$791

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 9/15

10:00 am-4:05 pm

1 stop14h 05m

Incheon Intl

Wed 10/15

5:45 pm-2:46 pm

1 stop13h 01m

$828

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 9/1

1:45 pm-4:20 am

1 stop22h 35m

Incheon Intl

Sat 9/27

4:50 pm-10:45 pm

1 stop21h 55m

$861

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 10/2

9:17 am-4:30 pm

1 stop15h 13m

Incheon Intl

Fri 10/17

7:20 pm-11:57 pm

1 stop20h 37m

$961

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 1/20

7:00 am-10:20 pm

2 stops22h 20m

Seoul Gimpo Intl

Thu 2/5

7:50 am-4:28 pm

2 stops25h 38m

$1,030

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 9/1

7:40 am-6:00 pm

2 stops18h 20m

Seoul Gimpo Intl

Tue 9/16

7:55 am-1:24 pm

2 stops21h 29m

$1,062

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sat 9/20

5:35 pm-7:00 pm

2 stops33h 25m

Busan Gimhae

Sat 9/27

10:20 am-9:25 am

2 stops39h 05m

$1,068

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sat 9/20

5:08 pm-7:45 am

2 stops22h 37m

Busan Gimhae

Sat 9/27

4:30 pm-8:25 pm

2 stops19h 55m

$1,256

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 24 results
1
2
3

Best time to book a flight from Portland to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea 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 South Korea

What is the cheapest month to book a flight from Portland to South Korea?

Currently, February is the cheapest month in which you can book a flight from Portland to South Korea (average of $998). Flying from Portland to South Korea in December is currently the most expensive (average of $1,635). 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 KR?

Find hourly flight availability from Portland to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

When flying from Portland to South Korea, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated July 29, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air, and ANA from Portland to South Korea to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
8.4
Very good

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Portland to South Korea. 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 South Korea?

    Portland (PDX) is the airport you will fly out of if you book a flight from Portland to South Korea. It is only a 6.0 mi journey to Portland (PDX) from Portland’s city center.

  • What are the cheapest airlines to fly from Portland to South Korea one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $475. However, be on the lookout for offers from Hawaiian Airlines and Air Canada, as they are both options that can get you from Portland to South Korea for a low price.

  • What are the most popular routes from Portland to South Korea?

  • Can I find deals for flights from Portland to South Korea that include hotel bookings?

    Yes. In addition to deals on Portland to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to South Korea?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to South Korea.

  • Can I find deals for business class flights from Portland to South Korea?

    Yes. Cheapflights offers flight deals from Portland to South Korea 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 South Korea?

    Currently, February is the cheapest month in which you can book a flight from Portland to South Korea (average of $998). Flying from Portland to South Korea in December is currently the most expensive (average of $1,635). 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

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 South Korea

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Portland to South Korea

Discover the top 7 airlines that operate flights from Portland to South Korea. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$767Average$1,322FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$809Average$1,090FlexibilityNo cancel feeOn-time67%
China EasternCheapest$822Average$842FlexibilityNo cancel feeOn-time62%
DeltaCheapest$849Average$1,192FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$907Average$1,272FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$912Average$1,126FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,084Average$1,579FlexibilityNo 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.