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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 April , May 2026

25 Apr - 07 May $ 1,467.00
STL
St Louis
United Airlines
1 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
1 STOPS
STL
St Louis
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04 Apr - 10 May $ 1,845.00
STL
St Louis
Cathay Pacific
2 STOPS
SIN
Singapore
SIN
Singapore
Cathay Pacific
2 STOPS
STL
St Louis
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10 Apr - 09 May $ 6,305.00
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

27 Apr - 01 May $ 1,779.00
STL
St Louis
Frontier Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Frontier Airlines
3 STOPS
STL
St Louis
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27 Apr - 30 Apr $ 1,841.00
STL
St Louis
United Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
1 STOPS
STL
St Louis
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23 Apr - 30 Apr $ 1,844.00
STL
St Louis
Alaska Airlines
1 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
STL
St Louis
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One-way flights to Singapore from St Louis

10:33 AM - 8:55 PM
Cathay Pacific
2 Stops
49h 12m
STL - SIN
$ 683
Kiwi
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12:05 PM - 1:45 AM
Cathay Pacific
2 Stops
28h 25m
STL - SIN
$ 689
Kiwi
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7:05 PM - 10:40 PM
United Airlines
1 Stops
22h 40m
STL - SIN
$ 840
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.