Earn point on your loyalty program!arrow arc left

Cheap flights from Knoxville (TYS) 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 Knoxville (TYS) to Phnom Penh (PNH)

How to find the cheapest flight from Knoxville (TYS) 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 Knoxville (TYS) 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 Knoxville (TYS) 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 Knoxville to Phnom Penh in September , October 2026

21 Sep - 01 Nov $ 1,356.00
TYS
Knoxville
Allegiant Air
3 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Allegiant Air
3 STOPS
TYS
Knoxville
Pick dates
21 Sep - 25 Oct $ 1,383.00
TYS
Knoxville
Allegiant Air
3 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Allegiant Air
3 STOPS
TYS
Knoxville
Pick dates
21 Sep - 01 Nov $ 1,396.00
TYS
Knoxville
Allegiant Air
3 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Allegiant Air
3 STOPS
TYS
Knoxville
Pick dates

Last minute flights from Knoxville to Phnom Penh

21 Sep - 01 Oct $ 1,400.00
TYS
Knoxville
Allegiant Air
3 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Allegiant Air
3 STOPS
TYS
Knoxville
Pick dates
18 Sep - 01 Oct $ 1,536.00
TYS
Knoxville
Allegiant Air
3 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Allegiant Air
3 STOPS
TYS
Knoxville
Pick dates
24 Sep - 01 Oct $ 1,701.00
TYS
Knoxville
Allegiant Air
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Allegiant Air
3 STOPS
TYS
Knoxville
Pick dates

One-way flights to Phnom Penh from Knoxville

6:30 AM - 8:35 AM
Cathay Pacific
3 Stops
40h 45m
TYS - PNH
$ 651
Kiwi
Pick dates
3:49 PM - 8:35 AM
Cathay Pacific
3 Stops
31h 26m
TYS - PNH
$ 788
Kiwi
Pick dates
9:30 AM - 8:40 PM
Etihad Airways
2 Stops
34h 15m
TYS - PNH
$ 800
Kiwi
Pick dates

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