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$415+ Cheap flights from Portland (PDX) to Seoul (SEL)

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SEL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Seoul are usually found in March or January, booked 81 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Portland to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Seoul (SEL). 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 June 12, 2025.

Round-trip from

$1,044
(FlightHub)

One-way from

$415
(FlightHub)

Popular in

August

Cheapest in

March

Average price

$1,379
From Portland to Seoul (SEL)
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One-way flight from Portland to Seoul (SEL)
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Highest demand for flights based on searches. 14% potential increase in price ($195 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Portland to Seoul

Cheapest flights from Portland to Seoul
Explore the most affordable flight options available from Portland to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. 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.
Sat 8/306:14 amPDX - GMP
2 stops36h 46mChina Eastern
Sun 9/78:50 pmGMP - PDX
2 stops35h 09mChina Eastern
Deal found 6/10$1,044
This American Airlines deal was found by Cheapflights users on 6/10. 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 9/158:30 amPDX - GMP
2 stops21h 20mMultiple Airlines
Wed 10/157:55 amGMP - PDX
2 stops19h 35mMultiple Airlines
Deal found 6/10$1,073
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/610:05 amPDX - ICN
2 stops19h 05mMultiple Airlines
Mon 7/142:50 pmICN - PDX
2 stops34h 40mMultiple Airlines
Deal found 6/12$1,127
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Tue 9/166:15 amPDX - ICN
1 stop17h 50mAir Canada
Wed 10/155:45 pmICN - PDX
1 stop37h 01mAir Canada
Deal found 6/10$1,128
This Delta deal was found by Cheapflights users on 6/10. 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 10/1912:40 amPDX - ICN
1 stop24h 40mDelta
Sun 11/28:05 pmICN - PDX
1 stop17h 44mDelta
Deal found 6/10$1,129
This oojo deal was found by Cheapflights users on 6/11. 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 10/208:59 pmPDX - ICN
2 stops22h 01mEVA Air
Mon 10/2711:40 amICN - PDX
2 stops38h 07mEVA Air
Deal found 6/11$1,139
This FlightHub deal was found by Cheapflights users on 6/12. 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 9/217:45 amPDX - GMP
2 stops22h 35mANA
Tue 9/3012:40 pmGMP - PDX
2 stops22h 06mANA
Deal found 6/12$1,144
This oojo deal was found by Cheapflights users on 6/11. 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 10/275:30 pmPDX - ICN
2 stops33h 45mChina Airlines
Sun 11/212:25 pmICN - PDX
2 stops25h 10mChina Airlines
Deal found 6/11$1,144
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 8/1612:55 pmPDX - ICN
2 stops23h 25mUnited Airlines
Thu 8/214:50 pmICN - PDX
2 stops32h 38mUnited Airlines
Deal found 6/11$1,150
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/249:56 pmPDX - ICN
2 stops25h 34mAmerican Airlines
Mon 10/65:25 pmICN - PDX
2 stops21h 48mAmerican Airlines
Deal found 6/11$1,153
This oojo deal was found by Cheapflights users on 6/11. 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.
Tue 9/302:50 pmPDX - GMP
2 stops54h 00mEVA Air
Tue 10/147:15 pmGMP - PDX
2 stops34h 14mEVA Air
Deal found 6/11$1,170
This KAYAK deal was found by Cheapflights users on 6/11. 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.
Mon 9/17:23 amPDX - GMP
2 stops35h 22mJapan Airlines
Sat 9/137:55 amGMP - PDX
2 stops24h 49mJapan Airlines
Deal found 6/11$1,174

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Seoul 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 June 12, 2025.
Use the filters below to find and compare flights from Portland to Seoul that are best for you.

Fly from

Portland

Fly to

Seoul

Route

Depart

Return

Price

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sat 8/30

6:14 am-11:00 am

2 stops36h 46m

Seoul Gimpo Intl

Sun 9/7

8:50 pm-3:59 pm

2 stops35h 09m

$1,044

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 9/15

8:30 am-9:50 pm

2 stops21h 20m

Seoul Gimpo Intl

Wed 10/15

7:55 am-11:30 am

2 stops19h 35m

$1,073

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 7/6

10:05 am-9:10 pm

2 stops19h 05m

Incheon Intl

Mon 7/14

2:50 pm-9:30 am

2 stops34h 40m

$1,127

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 9/16

6:15 am-4:05 pm

1 stop17h 50m

Incheon Intl

Wed 10/15

5:45 pm-2:46 pm

1 stop37h 01m

$1,128

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 10/19

12:40 am-5:20 pm

1 stop24h 40m

Incheon Intl

Sun 11/2

8:05 pm-8:49 pm

1 stop17h 44m

$1,129

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 10/20

8:59 pm-11:00 am

2 stops22h 01m

Incheon Intl

Mon 10/27

11:40 am-9:47 am

2 stops38h 07m

$1,139

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sun 9/21

7:45 am-10:20 pm

2 stops22h 35m

Seoul Gimpo Intl

Tue 9/30

12:40 pm-6:46 pm

2 stops22h 06m

$1,144

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 10/27

5:30 pm-7:15 pm

2 stops33h 45m

Incheon Intl

Sun 11/2

12:25 pm-9:35 pm

2 stops25h 10m

$1,144

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 8/16

12:55 pm-4:20 am

2 stops23h 25m

Incheon Intl

Thu 8/21

4:50 pm-9:28 am

2 stops32h 38m

$1,150

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 9/24

9:56 pm-3:30 pm

2 stops25h 34m

Incheon Intl

Mon 10/6

5:25 pm-11:13 pm

2 stops21h 48m

$1,153

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 27 results
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Best time to book a flight from Portland to Seoul

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

How far ahead should I book a flight from Portland to Seoul?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Seoul. Price data was last updated on June 9, 2025.

The price you pay for your flight from Portland to Seoul may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Portland to Seoul (average of $1,000). Flying from Portland to Seoul 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 SEL?

Find hourly flight availability from Portland to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from Portland to Seoul at noon. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Seoul by month

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

In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

Temperature in Seoul by month

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

If weather is an important factor for your trip to Seoul, 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 35.6 F).

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated June 12, 2025.
See what other customers who have flown with EVA Air, Korean Air and Japan Airlines from Portland to Seoul have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

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

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

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
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

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
Japan Airlines
8.3
Very good
1,489 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

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
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

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
ANA
8.3
Very good
882 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

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 Seoul. 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 Seoul?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Seoul. 5 airlines have flights from Portland to Seoul on a regular basis. Booking flights from Portland to Seoul should not be difficult; the airport handles an average of 0 outbound flights to Seoul per day.

  • What are the cheapest airlines flying from Portland to Seoul round-trip?

    According to our current data, China Eastern ($1,044), Air Canada ($1,128), and Delta ($1,129) offers the cheapest pricing from Portland to Seoul. China Eastern is 11% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with Japan Airlines, which is currently one of the cheapest options available, starting at $415. Delta flights start at $433 while deals on WestJet start at $437 one-way.

  • Where are the most common layover locations when flying from Portland to Seoul?

    Of the flights from Portland to Seoul that have layovers, most of them stop in Vancouver.

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

    Pacific Central Station, Orpheum Theatre, and Capilano Suspension Bridge are the most popular attractions in Vancouver if you're in need of something to do during your layover. Pacific Central Station, Orpheum Theatre, and Capilano Suspension Bridge can be accessed by traveling approximately 6.6 mi, 6.5 mi, and 10.6 mi, respectively from Vancouver Intl. Travelers in need of a car in Vancouver can rent one for about $50 per day.

  • Where are the least popular layover locations for Portland to Seoul flights?

    The least popular layover on flights from Portland to Seoul is Seattle.

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

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

  • How can I find direct flights from Portland to Seoul?

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

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

    Yes. Cheapflights offers flight deals from Portland to Seoul 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 Seoul?

    Currently, February is the cheapest month in which you can book a flight from Portland to Seoul (average of $1,000). Flying from Portland to Seoul 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

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Top 5 airlines flying from Portland to Seoul

Discover the top 5 airlines that operate flights from Portland to Seoul. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$403Average$1,292FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$809Average$1,108FlexibilityNo cancel feeOn-time67%
DeltaCheapest$907Average$1,228FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$907Average$1,433FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,084Average$1,505FlexibilityNo cancel feeOn-time81%

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