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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 August , September 2026

26 Aug - 09 Sep $ 1,654.00
STL
St Louis
Frontier Airlines
3 STOPS
PER
Perth
PER
Perth
Frontier Airlines
3 STOPS
STL
St Louis
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31 Aug - 09 Sep $ 1,699.00
STL
St Louis
Frontier Airlines
3 STOPS
PER
Perth
PER
Perth
Frontier Airlines
3 STOPS
STL
St Louis
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31 Aug - 16 Sep $ 1,710.00
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

26 Aug - 01 Sep $ 1,859.00
STL
St Louis
Frontier Airlines
3 STOPS
PER
Perth
PER
Perth
Frontier Airlines
3 STOPS
STL
St Louis
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26 Aug - 01 Sep $ 1,865.00
STL
St Louis
Alaska Airlines
3 STOPS
PER
Perth
PER
Perth
Alaska Airlines
3 STOPS
STL
St Louis
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22 Aug - 01 Sep $ 1,970.00
STL
St Louis
Frontier Airlines
3 STOPS
PER
Perth
PER
Perth
Frontier Airlines
3 STOPS
STL
St Louis
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One-way flights to Perth from St Louis

6:35 AM - 6:55 AM
Jetstar Airways
3 Stops
42h 30m
STL - PER
$ 769
Kiwi
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6:35 AM - 3:00 AM
Scoot
3 Stops
36h 35m
STL - PER
$ 814
Kiwi
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8:55 AM - 3:00 AM
Scoot
3 Stops
34h 15m
STL - PER
$ 859
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.