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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 May , June 2026

25 May - 06 Jun $ 1,621.00
STL
St Louis
Alaska Airlines
3 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
STL
St Louis
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24 May - 04 Jun $ 3,226.00
STL
St Louis
Korean Air
2 STOPS
SIN
Singapore
SIN
Singapore
Korean Air
2 STOPS
STL
St Louis
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24 May - 09 Jun $ 3,812.00
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

25 May - 01 Jun $ 1,737.00
STL
St Louis
Alaska Airlines
3 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
STL
St Louis
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24 May - 01 Jun $ 2,370.00
STL
St Louis
Cathay Pacific
2 STOPS
SIN
Singapore
SIN
Singapore
Cathay Pacific
2 STOPS
STL
St Louis
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24 May - 31 May $ 4,520.00
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

5:33 PM - 9:30 AM
Xiamen Airlines
3 Stops
31h 17m
STL - SIN
$ 816
Kiwi
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5:59 PM - 10:25 AM
United Airlines
2 Stops
35h 36m
STL - SIN
$ 1,213
Kiwi
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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.