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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)
Save up to 31%
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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 June , July 2026

30 Jun - 07 Jul $ 1,751.00
STL
St Louis
Alaska Airlines
3 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
STL
St Louis
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29 Jun - 05 Jul $ 2,376.00
STL
St Louis
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
STL
St Louis
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29 Jun - 10 Jul $ 6,745.00
STL
St Louis
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
1 STOPS
STL
St Louis
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One-way flights to Singapore from St Louis

7:46 PM - 6:40 PM
Korean Air
3 Stops
39h 9m
STL - SIN
$ 900
Kiwi
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7:56 PM - 6:05 PM
Alaska Airlines
2 Stops
39h 24m
STL - SIN
$ 1,409
Kiwi
Pick dates
7:23 PM - 10:50 PM
United Airlines
1 Stops
21h 52m
STL - SIN
$ 1,427
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.