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

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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 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 August , September 2026

29 Aug - 29 Sep $ 1,305.00
STL
St Louis
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
1 STOPS
STL
St Louis
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19 Aug - 11 Sep $ 1,442.00
STL
St Louis
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
STL
St Louis
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23 Aug - 10 Sep $ 6,795.00
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

24 Aug - 31 Aug $ 1,291.00
STL
St Louis
United Airlines
1 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
1 STOPS
STL
St Louis
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24 Aug - 31 Aug $ 1,296.00
STL
St Louis
United Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
1 STOPS
STL
St Louis
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23 Aug - 31 Aug $ 2,579.00
STL
St Louis
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
STL
St Louis
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One-way flights to Singapore from St Louis

6:35 AM - 6:05 PM
Alaska Airlines
2 Stops
28h 45m
STL - SIN
$ 568
Kiwi
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6:35 AM - 8:55 PM
Cathay Pacific
2 Stops
29h 10m
STL - SIN
$ 644
Kiwi
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5:10 AM - 11:00 AM
United Airlines
2 Stops
24h 25m
STL - SIN
$ 706
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.