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Cheap flights from St Louis (STL) to Singapore (SIN)

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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 Singapore (SIN)

How to find the cheapest flight from St Louis (STL) to Singapore (SIN)
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How to find the cheapest flight from St Louis (STL) to Singapore (SIN)
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How to find the cheapest flight from St Louis (STL) to Singapore (SIN)
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Cheap flights from St Louis to Singapore in December 2025 , January 2026

31 Dec - 26 Jan $ 1,635.00
STL
St Louis
United Airlines
1 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
2 STOPS
STL
St Louis
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16 Dec - 05 Jan $ 4,102.00
STL
St Louis
Qantas
2 STOPS
SIN
Singapore
SIN
Singapore
Qantas
2 STOPS
STL
St Louis
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21 Dec - 06 Jan $ 4,881.00
STL
St Louis
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
1 STOPS
STL
St Louis
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Last minute flights from St Louis to Singapore

26 Dec - 31 Dec $ 1,801.00
STL
St Louis
United Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
2 STOPS
STL
St Louis
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16 Dec - 31 Dec $ 3,255.00
STL
St Louis
Hawaiian Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Hawaiian Airlines
2 STOPS
STL
St Louis
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21 Dec - 31 Dec $ 3,563.00
STL
St Louis
Hawaiian Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Hawaiian Airlines
2 STOPS
STL
St Louis
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One-way flights to Singapore from St Louis

5:45 PM - 10:35 AM
United Airlines
2 Stops
36h 30m
STL - SIN
$ 801
Kiwi
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6:15 AM - 10:35 PM
United Airlines
2 Stops
35h 45m
STL - SIN
$ 993
Kiwi
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6:41 AM - 10:35 AM
United Airlines
1 Stops
23h 34m
STL - SIN
$ 1,050
Kiwi
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How to find the cheapest flight from St Louis (STL) to Singapore (SIN)

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