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Cheap flights from St Louis (STL) to Perth (PER)

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How to find the cheapest flight from St Louis (STL) to Perth (PER)

How to find the cheapest flight from St Louis (STL) to Perth (PER)
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How to find the cheapest flight from St Louis (STL) to Perth (PER)
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How to find the cheapest flight from St Louis (STL) to Perth (PER)
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Cheap flights from St Louis to Perth in September , October 2026

14 Sep - 21 Oct $ 1,560.00
STL
St Louis
Frontier Airlines
3 STOPS
PER
Perth
PER
Perth
Frontier Airlines
3 STOPS
STL
St Louis
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22 Sep - 21 Oct $ 1,594.00
STL
St Louis
Frontier Airlines
3 STOPS
PER
Perth
PER
Perth
Frontier Airlines
3 STOPS
STL
St Louis
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22 Sep - 14 Oct $ 1,597.00
STL
St Louis
Frontier Airlines
3 STOPS
PER
Perth
PER
Perth
Frontier Airlines
3 STOPS
STL
St Louis
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Last minute flights from St Louis to Perth

14 Sep - 01 Oct $ 1,842.00
STL
St Louis
Alaska Airlines
3 STOPS
PER
Perth
PER
Perth
Alaska Airlines
2 STOPS
STL
St Louis
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22 Sep - 01 Oct $ 1,876.00
STL
St Louis
Alaska Airlines
3 STOPS
PER
Perth
PER
Perth
Alaska Airlines
2 STOPS
STL
St Louis
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07 Sep - 01 Oct $ 1,904.00
STL
St Louis
Alaska Airlines
3 STOPS
PER
Perth
PER
Perth
Alaska Airlines
2 STOPS
STL
St Louis
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One-way flights to Perth from St Louis

6:29 AM - 6:55 AM
Jetstar Airways
3 Stops
42h 36m
STL - PER
$ 725
Kiwi
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6:29 AM - 1:00 AM
VietJet Air
3 Stops
37h 26m
STL - PER
$ 759
Kiwi
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6:35 AM - 6:55 AM
Jetstar Airways
3 Stops
42h 30m
STL - PER
$ 767
Kiwi
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How to find the cheapest flight from St Louis (STL) to Perth (PER)

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