Earn point on your loyalty program!arrow arc left

Cheap flights from Chicago (CHI) 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 Chicago (CHI) to Phnom Penh (PNH)

How to find the cheapest flight from Chicago (CHI) 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 Chicago (CHI) 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 Chicago (CHI) 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 Chicago to Phnom Penh in March , April 2026

30 Mar - 21 Apr $ 918.00
CHI
Chicago
Frontier Airlines
1 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Frontier Airlines
2 STOPS
CHI
Chicago
Pick dates
23 Mar - 21 Apr $ 929.00
CHI
Chicago
Frontier Airlines
1 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Frontier Airlines
2 STOPS
CHI
Chicago
Pick dates
05 Mar - 09 Apr $ 2,720.00
CHI
Chicago
EVA Air
1 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
EVA Air
1 STOPS
CHI
Chicago
Pick dates

Last minute flights from Chicago to Phnom Penh

23 Mar - 01 Apr $ 1,185.00
CHI
Chicago
Frontier Airlines
1 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Frontier Airlines
3 STOPS
CHI
Chicago
Pick dates
23 Mar - 31 Mar $ 1,230.00
CHI
Chicago
Frontier Airlines
1 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Frontier Airlines
3 STOPS
CHI
Chicago
Pick dates
23 Mar - 31 Mar $ 1,390.00
CHI
Chicago
Frontier Airlines
1 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Frontier Airlines
2 STOPS
CHI
Chicago
Pick dates

One-way flights to Phnom Penh from Chicago

2:30 PM - 11:30 PM
Air Cambodia
1 Stops
27h 35m
CHI - PNH
$ 459
Kiwi
Pick dates
12:30 AM - 8:45 AM
EVA Air
1 Stops
22h 55m
CHI - PNH
$ 749
Kiwi
Pick dates
12:30 AM - 8:45 AM
EVA Air
1 Stops
22h 55m
CHI - PNH
$ 848
Kiwi
Pick dates

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