Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Washington (DCA) to Singapore (SIN)

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.
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.

Cheap flights from Washington to Singapore in November , December 2025

24 Nov - 08 Dec $ 1,114.00
DCA
Washington
United Airlines
1 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
1 STOPS
DCA
Washington
Pick dates
24 Nov - 05 Dec $ 1,381.00
DCA
Washington
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
DCA
Washington
Pick dates
22 Nov - 10 Dec $ 2,925.00
DCA
Washington
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
1 STOPS
DCA
Washington
Pick dates

Last minute flights from Washington to Singapore

18 Nov - 01 Dec $ 1,640.00
DCA
Washington
WestJet
3 STOPS
SIN
Singapore
SIN
Singapore
WestJet
3 STOPS
DCA
Washington
Pick dates
25 Nov - 01 Dec $ 2,045.00
DCA
Washington
Qatar Airways
2 STOPS
SIN
Singapore
SIN
Singapore
Qatar Airways
2 STOPS
DCA
Washington
Pick dates
22 Nov - 30 Nov $ 6,747.00
DCA
Washington
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
1 STOPS
DCA
Washington
Pick dates

One-way flights to Singapore from Washington

4:17 PM - 10:35 PM
United Airlines
2 Stops
26h 43m
DCA - SIN
$ 628
Kiwi
Pick dates
5:59 PM - 10:35 PM
United Airlines
1 Stops
25h 1m
DCA - SIN
$ 633
Kiwi
Pick dates
5:59 PM - 10:35 PM
United Airlines
1 Stops
25h 1m
DCA - SIN
$ 676
Kiwi
Pick dates

How to find the cheapest flight from Washington (DCA) to Singapore (SIN)

Related info for your journey
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.
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.