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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 April , May 2026

29 Apr - 18 May $ 1,723.00
STL
St Louis
Alaska Airlines
3 STOPS
PER
Perth
PER
Perth
Alaska Airlines
3 STOPS
STL
St Louis
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27 Apr - 18 May $ 1,757.00
STL
St Louis
Alaska Airlines
3 STOPS
PER
Perth
PER
Perth
Alaska Airlines
3 STOPS
STL
St Louis
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29 Apr - 20 May $ 1,785.00
STL
St Louis
Alaska Airlines
3 STOPS
PER
Perth
PER
Perth
Alaska Airlines
3 STOPS
STL
St Louis
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Last minute flights from St Louis to Perth

27 Apr - 02 May $ 1,942.00
STL
St Louis
Frontier Airlines
3 STOPS
PER
Perth
PER
Perth
Frontier Airlines
3 STOPS
STL
St Louis
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20 Apr - 02 May $ 1,992.00
STL
St Louis
Frontier Airlines
3 STOPS
PER
Perth
PER
Perth
Frontier Airlines
3 STOPS
STL
St Louis
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27 Apr - 01 May $ 2,076.00
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

7:00 AM - 7:05 AM
Indonesia AirAsia
3 Stops
39h
STL - PER
$ 912
Kiwi
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3:21 PM - 2:15 PM
AirAsia
3 Stops
39h 29m
STL - PER
$ 946
Kiwi
Pick dates
3:21 PM - 2:15 PM
AirAsia
3 Stops
39h 29m
STL - PER
$ 996
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.