November is by far the best month, wherein you can get cheapest flights for Portland to Seoul. Meanwhile, June is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
June- During this month the footfall is less so, the flight is gradually inexpensive.
June - is the cheapest month to book round trip flights.
Disclaimer - All the mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Portland
00:59
Portland International Airport [PDX]
Tue , 05 Jan 2027

Seoul
16:25
Incheon International Airport [ICN]
Wed, 06 Jan 2027

Portland
11:10
Portland International Airport [PDX]
Tue , 05 Jan 2027

Seoul
18:05
Incheon International Airport [ICN]
Wed, 06 Jan 2027

Portland
17:41
Portland International Airport [PDX]
Tue , 05 Jan 2027

Seoul
05:10
Incheon International Airport [ICN]
Thu, 07 Jan 2027

Portland
07:30
Portland International Airport [PDX]
Tue , 05 Jan 2027

Seoul
17:10
Incheon International Airport [ICN]
Thu, 07 Jan 2027

Portland
07:30
Portland International Airport [PDX]
Tue , 05 Jan 2027

Seoul
16:15
Incheon International Airport [ICN]
Wed, 06 Jan 2027

Portland
00:59
Portland International Airport [PDX]
Tue , 05 Jan 2027

Seoul
16:25
Incheon International Airport [ICN]
Wed, 06 Jan 2027

Portland
11:10
Portland International Airport [PDX]
Tue , 05 Jan 2027

Seoul
18:05
Incheon International Airport [ICN]
Wed, 06 Jan 2027

Portland
17:41
Portland International Airport [PDX]
Tue , 05 Jan 2027

Seoul
05:10
Incheon International Airport [ICN]
Thu, 07 Jan 2027

Portland
07:30
Portland International Airport [PDX]
Tue , 05 Jan 2027

Seoul
17:10
Incheon International Airport [ICN]
Thu, 07 Jan 2027

Portland
07:30
Portland International Airport [PDX]
Tue , 05 Jan 2027

Seoul
16:15
Incheon International Airport [ICN]
Wed, 06 Jan 2027









