Earn point on your loyalty program!arrow arc left

Cheap flights from Portland (PDX) to Phnom Penh (PNH)

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 Phnom Penh (PNH)

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

Cheap flights from Portland to Phnom Penh in May , June 2026

31 May - 16 Jun $ 1,476.00
PDX
Portland
Alaska Airlines
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates
27 May - 09 Jun $ 1,920.00
PDX
Portland
Alaska Airlines
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates
28 May - 04 Jun $ 4,993.00
PDX
Portland
Alaska Airlines
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates

Last minute flights from Portland to Phnom Penh

29 May - 01 Jun $ 1,670.00
PDX
Portland
Alaska Airlines
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates
24 May - 01 Jun $ 1,825.00
PDX
Portland
United Airlines
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
United Airlines
2 STOPS
PDX
Portland
Pick dates
28 May - 31 May $ 2,814.00
PDX
Portland
Alaska Airlines
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates

One-way flights to Phnom Penh from Portland

6:03 PM - 7:40 AM
Singapore Airlines
2 Stops
24h 37m
PDX - PNH
$ 837
Kiwi
Pick dates
6:03 PM - 12:25 PM
Singapore Airlines
2 Stops
29h 37m
PDX - PNH
$ 837
Kiwi
Pick dates
6:03 PM - 7:40 AM
Singapore Airlines
2 Stops
24h 37m
PDX - PNH
$ 878
Kiwi
Pick dates

How to find the cheapest flight from Portland (PDX) to Phnom Penh (PNH)

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 Phnom Penh (PNH)
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 Phnom Penh (PNH)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.