Earn point on your loyalty program!arrow arc left

Cheap flights from Portland (PDX) to Busan (PUS)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Portland (PDX) to Busan (PUS)

How to find the cheapest flight from Portland (PDX) to Busan (PUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Busan (PUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Busan (PUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Portland to Busan in April , May 2026

19 Apr - 13 May $ 1,219.00
PDX
Portland
Alaska Airlines
2 STOPS
PUS
Busan
PUS
Busan
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates
09 Apr - 09 May $ 2,165.00
PDX
Portland
Korean Air
2 STOPS
PUS
Busan
PUS
Busan
Korean Air
2 STOPS
PDX
Portland
Pick dates
09 Apr - 09 May $ 2,383.00
PDX
Portland
Alaska Airlines
2 STOPS
PUS
Busan
PUS
Busan
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates

Last minute flights from Portland to Busan

15 Apr - 30 Apr $ 1,419.00
PDX
Portland
Alaska Airlines
2 STOPS
PUS
Busan
PUS
Busan
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates
11 Apr - 30 Apr $ 1,827.00
PDX
Portland
Korean Air
2 STOPS
PUS
Busan
PUS
Busan
Korean Air
2 STOPS
PDX
Portland
Pick dates
11 Apr - 30 Apr $ 2,010.00
PDX
Portland
Korean Air
2 STOPS
PUS
Busan
PUS
Busan
Korean Air
2 STOPS
PDX
Portland
Pick dates

One-way flights to Busan from Portland

10:51 AM - 11:30 AM
Eastar Jet
3 Stops
34h 4m
PDX - PUS
$ 528
Kiwi
Pick dates
9:30 PM - 6:15 AM
China Airlines
2 Stops
20h
PDX - PUS
$ 1,324
Kiwi
Pick dates
9:30 PM - 6:15 AM
China Airlines
2 Stops
20h
PDX - PUS
$ 2,477
Kiwi
Pick dates

How to find the cheapest flight from Portland (PDX) to Busan (PUS)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Busan (PUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Busan (PUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.