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Cheap flights from St Louis (STL) to Sydney (SYD)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Sydney (SYD)

How to find the cheapest flight from St Louis (STL) to Sydney (SYD)
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How to find the cheapest flight from St Louis (STL) to Sydney (SYD)
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How to find the cheapest flight from St Louis (STL) to Sydney (SYD)
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Cheap flights from St Louis to Sydney in April , May 2026

26 Apr - 06 May $ 1,486.00
STL
St Louis
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
STL
St Louis
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11 Apr - 09 May $ 1,787.00
STL
St Louis
Qantas
2 STOPS
SYD
Sydney
SYD
Sydney
Qantas
2 STOPS
STL
St Louis
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11 Apr - 04 May $ 2,023.00
STL
St Louis
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
STL
St Louis
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Last minute flights from St Louis to Sydney

24 Apr - 01 May $ 1,375.00
STL
St Louis
Frontier Airlines
3 STOPS
SYD
Sydney
SYD
Sydney
Frontier Airlines
3 STOPS
STL
St Louis
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20 Apr - 30 Apr $ 1,540.00
STL
St Louis
United Airlines
2 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
2 STOPS
STL
St Louis
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20 Apr - 30 Apr $ 1,540.00
STL
St Louis
United Airlines
2 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
2 STOPS
STL
St Louis
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One-way flights to Sydney from St Louis

11:21 AM - 9:00 AM
Fiji Airways
3 Stops
33h 29m
STL - SYD
$ 561
Kiwi
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3:38 PM - 6:30 AM
Qantas
2 Stops
25h 22m
STL - SYD
$ 927
Kiwi
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7:05 PM - 10:50 PM
United Airlines
1 Stops
20h 50m
STL - SYD
$ 1,110
Kiwi
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How to find the cheapest flight from St Louis (STL) to Sydney (SYD)

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