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Cheap flights from St Louis (STL) to Phnom Penh (PNH)

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How to find the cheapest flight from St Louis (STL) to Phnom Penh (PNH)

How to find the cheapest flight from St Louis (STL) to Phnom Penh (PNH)
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How to find the cheapest flight from St Louis (STL) to Phnom Penh (PNH)
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How to find the cheapest flight from St Louis (STL) to Phnom Penh (PNH)
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Cheap flights from St Louis to Phnom Penh in September , October 2026

29 Sep - 14 Oct $ 1,153.00
STL
St Louis
Cathay Pacific
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Cathay Pacific
2 STOPS
STL
St Louis
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22 Sep - 28 Oct $ 1,226.00
STL
St Louis
Alaska Airlines
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Alaska Airlines
2 STOPS
STL
St Louis
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22 Sep - 14 Oct $ 1,226.00
STL
St Louis
Alaska Airlines
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Alaska Airlines
2 STOPS
STL
St Louis
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Last minute flights from St Louis to Phnom Penh

22 Sep - 01 Oct $ 1,476.00
STL
St Louis
Frontier Airlines
3 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Frontier Airlines
3 STOPS
STL
St Louis
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22 Sep - 01 Oct $ 1,478.00
STL
St Louis
Frontier Airlines
3 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Frontier Airlines
3 STOPS
STL
St Louis
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22 Sep - 01 Oct $ 1,562.00
STL
St Louis
Frontier Airlines
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Frontier Airlines
3 STOPS
STL
St Louis
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One-way flights to Phnom Penh from St Louis

6:29 AM - 8:35 AM
Cathay Pacific
2 Stops
39h 46m
STL - PNH
$ 580
Kiwi
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5:00 PM - 8:35 AM
Cathay Pacific
2 Stops
29h 15m
STL - PNH
$ 639
Kiwi
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7:36 PM - 7:20 AM
China Airlines
2 Stops
26h 14m
STL - PNH
$ 913
Kiwi
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How to find the cheapest flight from St Louis (STL) to Phnom Penh (PNH)

Related info for your journey
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How to find the cheapest flight from St Louis (STL) 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 St Louis (STL) to Phnom Penh (PNH)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.