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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 February , March 2026

19 Feb - 06 Mar $ 1,107.00
STL
St Louis
Frontier Airlines
3 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Frontier Airlines
3 STOPS
STL
St Louis
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15 Feb - 06 Mar $ 1,439.00
STL
St Louis
Alaska Airlines
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Alaska Airlines
2 STOPS
STL
St Louis
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07 Feb - 09 Mar $ 4,153.00
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

18 Feb - 01 Mar $ 1,348.00
STL
St Louis
Hawaiian Airlines
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Hawaiian Airlines
3 STOPS
STL
St Louis
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15 Feb - 01 Mar $ 1,820.00
STL
St Louis
Cathay Pacific
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Cathay Pacific
2 STOPS
STL
St Louis
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07 Feb - 01 Mar $ 2,329.00
STL
St Louis
Cathay Pacific
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Cathay Pacific
2 STOPS
STL
St Louis
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One-way flights to Phnom Penh from St Louis

10:37 AM - 8:40 AM
Cathay Pacific
2 Stops
34h 48m
STL - PNH
$ 503
Kiwi
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6:38 AM - 8:40 AM
Cathay Pacific
2 Stops
38h 47m
STL - PNH
$ 567
Kiwi
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5:29 PM - 8:40 AM
Cathay Pacific
2 Stops
27h 56m
STL - PNH
$ 1,141
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.