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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 June , July 2026

29 Jun - 29 Jul $ 1,330.00
STL
St Louis
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
STL
St Louis
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12 Jun - 09 Jul $ 1,441.00
STL
St Louis
Qantas
2 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
STL
St Louis
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19 Jun - 09 Jul $ 2,136.00
STL
St Louis
Qantas
2 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
STL
St Louis
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Last minute flights from St Louis to Sydney

20 Jun - 30 Jun $ 1,580.00
STL
St Louis
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
STL
St Louis
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12 Jun - 30 Jun $ 2,100.00
STL
St Louis
Qantas
2 STOPS
SYD
Sydney
SYD
Sydney
Qantas
2 STOPS
STL
St Louis
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19 Jun - 30 Jun $ 3,824.00
STL
St Louis
Qantas
2 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
STL
St Louis
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One-way flights to Sydney from St Louis

7:23 PM - 11:00 PM
United Airlines
1 Stops
20h 32m
STL - SYD
$ 755
Kiwi
Pick dates
7:23 PM - 11:00 PM
United Airlines
1 Stops
20h 32m
STL - SYD
$ 755
Kiwi
Pick dates
7:23 PM - 11:00 PM
United Airlines
1 Stops
20h 32m
STL - SYD
$ 755
Kiwi
Pick dates

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.