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$433+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SEL
May 17 — May 241
Sat 5/17
Sat 5/24
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 May 12, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,130
(CheapOair)

One-way from

$433
(Hawaiian Airlines)

Popular in

August

Cheapest in

March

Average price

$1,443
Provider with most accurate pricing for Portland-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Seoul (SEL) flights.
Search Deals
From Portland to Seoul (SEL)
Search Deals
One-way flight from Portland to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($203 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 12, 2025.

This CheapOair deal was found by Cheapflights users on 5/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:00 amPDX - ICN
2 stops19h 40mMultiple Airlines
Fri 10/1710:10 amICN - PDX
2 stops24h 36mMultiple Airlines
Deal found 5/11$1,130
This oojo deal was found by Cheapflights users on 5/11. 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 10/201:25 pmPDX - ICN
2 stops38h 10mChina Airlines
Mon 10/278:15 pmICN - PDX
2 stops29h 20mChina Airlines
Deal found 5/11$1,143
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/177:20 pmPDX - ICN
1 stop29h 10mDelta
Wed 8/277:20 pmICN - PDX
1 stop15h 23mDelta
Deal found 5/11$1,166
This oojo deal was found by Cheapflights users on 5/11. 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 15mEVA Air
Sun 11/27:45 pmICN - PDX
2 stops34h 36mEVA Air
Deal found 5/11$1,168
This KAYAK deal was found by Cheapflights users on 5/11. 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 10/207:30 amPDX - GMP
2 stops43h 05mANA
Mon 10/277:45 amGMP - PDX
2 stops26h 39mANA
Deal found 5/11$1,185
This Booking.com deal was found by Cheapflights users on 5/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2410:40 amPDX - GMP
2 stops19h 10mJapan Airlines
Wed 9/107:20 pmGMP - PDX
2 stops35h 24mJapan Airlines
Deal found 5/10$1,194
This Air Canada deal was found by Cheapflights users on 5/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:15 amPDX - ICN
2 stops38h 25mAir Canada
Mon 9/85:45 pmICN - PDX
1 stop31h 36mAir Canada
Deal found 5/11$1,202
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Sat 8/1611:59 pmPDX - ICN
1 stop23h 31mAmerican Airlines
Sun 8/245:25 pmICN - PDX
1 stop21h 42mAmerican Airlines
Deal found 5/11$1,206
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/309:30 pmPDX - ICN
2 stops29h 30mAlaska Airlines
Wed 9/109:25 pmICN - PDX
1 stop24h 35mAlaska Airlines
Deal found 5/11$1,211
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Mon 9/17:45 amPDX - ICN
1 stop15h 15mUnited Airlines
Thu 9/114:50 pmICN - PDX
2 stops21h 52mUnited Airlines
Deal found 5/11$1,251
This Booking.com deal was found by Cheapflights users on 5/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1710:10 amPDX - GMP
2 stops19h 20mMultiple Airlines
Fri 11/282:25 pmGMP - PDX
2 stops20h 59mMultiple Airlines
Deal found 5/11$1,276
This FlightHub deal was found by Cheapflights users on 5/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/25:36 pmPDX - ICN
2 stops27h 04mCathay Pacific
Tue 9/93:10 pmICN - PDX
2 stops24h 40mCathay Pacific
Deal found 5/11$1,281

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 May 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

PortlandIncheon

PDX - ICN

PDXICN

Portland

Wed 10/1

10:00 am-9:40 pm

2 stops19h 40m

Incheon Intl

Fri 10/17

10:10 am-6:46 pm

2 stops24h 36m

$1,130

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 10/20

1:25 pm-7:35 pm

2 stops38h 10m

Incheon Intl

Mon 10/27

8:15 pm-9:35 am

2 stops29h 20m

$1,143

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 8/17

7:20 pm-4:30 pm

1 stop29h 10m

Incheon Intl

Wed 8/27

7:20 pm-6:43 pm

1 stop15h 23m

$1,166

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 10/27

5:30 pm-6:45 pm

2 stops33h 15m

Incheon Intl

Sun 11/2

7:45 pm-1:21 pm

2 stops34h 36m

$1,168

PortlandIncheon

PDX - ICN

PDXICN

Portland

Fri 8/29

6:15 am-12:40 pm

2 stops38h 25m

Incheon Intl

Mon 9/8

5:45 pm-9:21 am

1 stop31h 36m

$1,202

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 8/16

11:59 pm-3:30 pm

1 stop23h 31m

Incheon Intl

Sun 8/24

5:25 pm-11:07 pm

1 stop21h 42m

$1,206

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 8/30

9:30 pm-7:00 pm

2 stops29h 30m

Incheon Intl

Wed 9/10

9:25 pm-6:00 am

1 stop24h 35m

$1,211

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 9/1

4:07 pm-4:20 am

2 stops20h 13m

Incheon Intl

Thu 9/11

4:50 pm-9:01 pm

2 stops20h 11m

$1,251

PortlandIncheon

PDX - ICN

PDXICN

Portland

Tue 9/2

5:36 pm-12:40 pm

2 stops27h 04m

Incheon Intl

Tue 9/9

3:10 pm-11:50 pm

2 stops24h 40m

$1,281

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 8/5

10:30 am-10:45 am

2 stops32h 15m

Seoul Gimpo Intl

Tue 8/26

7:55 am-1:44 pm

2 stops21h 49m

$1,282

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 27 results
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Compare providers for flights from Portland to Seoul

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 Seoul in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 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-Seoul flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland-Seoul flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Portland-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Seoul flights, Cheapflights users trust AranGrant the most. AranGrant 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-Seoul 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 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 May 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 $1,001). 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 May 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 May 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
1,192 reviews

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very good
1,192 reviews
EVA Air
8.4
Very good
1,192 reviews

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Korean Air
8.4
Very good
1,072 reviews
EVA Air
8.4
Very good
1,192 reviews

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Japan Airlines
8.3
Very good
1,472 reviews
EVA Air
8.4
Very good
1,192 reviews

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
China Airlines
8.3
Very good
732 reviews
EVA Air
8.4
Very good
1,192 reviews

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
ANA
8.3
Very good
860 reviews
EVA Air
8.4
Very good
1,192 reviews

Crew

8.6

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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 Airlines ($1,143), Delta ($1,166), and EVA Air ($1,168) offers the cheapest pricing from Portland to Seoul. China Airlines is 4% 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 Hawaiian Airlines, which is currently one of the cheapest options available, starting at $433. Alaska Airlines flights start at $591 while deals on WestJet start at $610 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 Queen Elizabeth Theatre 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 Queen Elizabeth Theatre can be accessed by traveling approximately 6.6 mi, 6.5 mi, and 6.6 mi, respectively from Vancouver Intl. Travelers in need of a car in Vancouver can rent one for about $42 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 $1,001). 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

Browse thousands of different options on Cheapflights for your next trip

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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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$403Average$1,292FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$809Average$1,105FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$861Average$1,506FlexibilityNo cancel feeOn-time69%
DeltaCheapest$907Average$1,230FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,101Average$1,535FlexibilityNo cancel feeOn-time81%

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