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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 May , June 2026

31 May - 04 Jun $ 1,626.00
STL
St Louis
Alaska Airlines
3 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Alaska Airlines
2 STOPS
STL
St Louis
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23 May - 03 Jun $ 2,445.00
STL
St Louis
Cathay Pacific
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Cathay Pacific
2 STOPS
STL
St Louis
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23 May - 03 Jun $ 2,675.00
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

25 May - 01 Jun $ 1,844.00
STL
St Louis
Alaska Airlines
3 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Alaska Airlines
2 STOPS
STL
St Louis
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23 May - 01 Jun $ 2,306.00
STL
St Louis
Cathay Pacific
2 STOPS
PNH
Phnom Penh
PNH
Phnom Penh
Cathay Pacific
2 STOPS
STL
St Louis
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27 May - 01 Jun $ 2,800.00
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

7:41 PM - 3:35 PM
Cathay Pacific
3 Stops
33h 34m
STL - PNH
$ 842
Kiwi
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7:23 PM - 6:45 PM
United Airlines
2 Stops
39h 2m
STL - PNH
$ 1,057
Kiwi
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7:41 PM - 8:45 AM
EVA Air
2 Stops
27h 34m
STL - PNH
$ 1,220
Kiwi
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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)
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.