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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 September , October 2026

30 Sep - 21 Oct $ 1,395.00
STL
St Louis
Frontier Airlines
3 STOPS
SIN
Singapore
SIN
Singapore
Frontier Airlines
2 STOPS
STL
St Louis
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28 Sep - 03 Oct $ 1,747.00
STL
St Louis
Cathay Pacific
2 STOPS
SIN
Singapore
SIN
Singapore
Cathay Pacific
2 STOPS
STL
St Louis
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29 Sep - 01 Oct $ 8,411.00
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

28 Sep - 01 Oct $ 1,765.00
STL
St Louis
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
3 STOPS
STL
St Louis
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28 Sep - 01 Oct $ 1,781.00
STL
St Louis
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
3 STOPS
STL
St Louis
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28 Sep - 01 Oct $ 1,791.00
STL
St Louis
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
3 STOPS
STL
St Louis
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One-way flights to Singapore from St Louis

12:17 PM - 9:30 AM
Philippine Airlines
3 Stops
35h 58m
STL - SIN
$ 693
Kiwi
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7:36 PM - 6:05 PM
Alaska Airlines
2 Stops
39h 44m
STL - SIN
$ 774
Kiwi
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5:10 AM - 10:40 AM
United Airlines
2 Stops
24h 25m
STL - SIN
$ 1,402
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.