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

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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 February , March 2026

22 Feb - 01 Mar $ 1,280.00
STL
St Louis
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
STL
St Louis
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16 Feb - 05 Mar $ 1,352.00
STL
St Louis
Qantas
2 STOPS
SYD
Sydney
SYD
Sydney
Qantas
2 STOPS
STL
St Louis
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07 Feb - 10 Mar $ 1,600.00
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

20 Feb - 28 Feb $ 1,380.00
STL
St Louis
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
STL
St Louis
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16 Feb - 28 Feb $ 1,448.00
STL
St Louis
Qantas
2 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
STL
St Louis
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07 Feb - 28 Feb $ 1,613.00
STL
St Louis
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
STL
St Louis
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One-way flights to Sydney from St Louis

6:38 AM - 6:40 AM
Qantas
2 Stops
33h 42m
STL - SYD
$ 654
Kiwi
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4:35 PM - 8:25 PM
United Airlines
1 Stops
21h 25m
STL - SYD
$ 747
Kiwi
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5:04 PM - 8:30 PM
Qantas
1 Stops
20h 51m
STL - SYD
$ 775
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.