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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 March , April 2026

31 Mar - 28 Apr $ 1,381.00
STL
St Louis
Alaska Airlines
3 STOPS
PER
Perth
PER
Perth
Alaska Airlines
3 STOPS
STL
St Louis
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08 Mar - 03 Apr $ 4,485.00
STL
St Louis
Qantas
2 STOPS
PER
Perth
PER
Perth
Qantas
2 STOPS
STL
St Louis
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09 Mar - 03 Apr $ 4,960.00
STL
St Louis
Qantas
2 STOPS
PER
Perth
PER
Perth
Qantas
2 STOPS
STL
St Louis
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Last minute flights from St Louis to Perth

23 Mar - 01 Apr $ 1,758.00
STL
St Louis
Hawaiian Airlines
3 STOPS
PER
Perth
PER
Perth
Hawaiian Airlines
3 STOPS
STL
St Louis
Pick dates
26 Mar - 01 Apr $ 1,780.00
STL
St Louis
Hawaiian Airlines
3 STOPS
PER
Perth
PER
Perth
Hawaiian Airlines
3 STOPS
STL
St Louis
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26 Mar - 01 Apr $ 1,782.00
STL
St Louis
Hawaiian Airlines
3 STOPS
PER
Perth
PER
Perth
Hawaiian Airlines
3 STOPS
STL
St Louis
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One-way flights to Perth from St Louis

7:00 AM - 1:00 AM
VietJet Air
3 Stops
36h 55m
STL - PER
$ 637
Kiwi
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4:13 PM - 6:40 AM
Qantas
2 Stops
26h 32m
STL - PER
$ 956
Kiwi
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6:50 PM - 8:50 AM
Qantas
2 Stops
28h 15m
STL - PER
$ 1,263
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.