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Cheap flights from Washington (DCA) to Singapore (SIN)

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0 Children (2~11)
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How to find the cheapest flight from Washington (DCA) to Singapore (SIN)

How to find the cheapest flight from Washington (DCA) to Singapore (SIN)
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How to find the cheapest flight from Washington (DCA) to Singapore (SIN)
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How to find the cheapest flight from Washington (DCA) to Singapore (SIN)
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Cheap flights from Washington to Singapore in December 2025 , January 2026

30 Dec - 14 Jan $ 1,383.00
DCA
Washington
United Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
1 STOPS
DCA
Washington
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24 Dec - 10 Jan $ 2,763.00
DCA
Washington
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
DCA
Washington
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16 Dec - 08 Jan $ 5,308.00
DCA
Washington
Korean Air
2 STOPS
SIN
Singapore
SIN
Singapore
Korean Air
2 STOPS
DCA
Washington
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Last minute flights from Washington to Singapore

27 Dec - 31 Dec $ 1,374.00
DCA
Washington
United Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
1 STOPS
DCA
Washington
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23 Dec - 31 Dec $ 1,718.00
DCA
Washington
United Airlines
1 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
1 STOPS
DCA
Washington
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23 Dec - 31 Dec $ 2,036.00
DCA
Washington
United Airlines
1 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
2 STOPS
DCA
Washington
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One-way flights to Singapore from Washington

4:17 PM - 10:35 AM
United Airlines
2 Stops
38h 58m
DCA - SIN
$ 674
Kiwi
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5:59 PM - 10:35 AM
United Airlines
1 Stops
37h 16m
DCA - SIN
$ 1,089
Kiwi
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5:59 PM - 10:35 PM
United Airlines
1 Stops
25h 1m
DCA - SIN
$ 1,228
Kiwi
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How to find the cheapest flight from Washington (DCA) to Singapore (SIN)

Related info for your journey
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How to find the cheapest flight from Washington (DCA) 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 Washington (DCA) to Singapore (SIN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.