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 April , May 2026

29 Apr - 04 May $ 1,517.00
DCA
Washington
United Airlines
1 STOPS
SIN
Singapore
SIN
Singapore
United Airlines
1 STOPS
DCA
Washington
Pick dates
15 Apr - 08 May $ 1,533.00
DCA
Washington
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
DCA
Washington
Pick dates
16 Apr - 08 May $ 3,972.00
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

21 Apr - 01 May $ 1,669.00
DCA
Washington
Frontier Airlines
3 STOPS
SIN
Singapore
SIN
Singapore
Frontier Airlines
3 STOPS
DCA
Washington
Pick dates
15 Apr - 01 May $ 2,074.00
DCA
Washington
Alaska Airlines
2 STOPS
SIN
Singapore
SIN
Singapore
Alaska Airlines
2 STOPS
DCA
Washington
Pick dates
13 Apr - 30 Apr $ 4,652.00
DCA
Washington
Korean Air
2 STOPS
SIN
Singapore
SIN
Singapore
Korean Air
2 STOPS
DCA
Washington
Pick dates

One-way flights to Singapore from Washington

9:59 AM - 8:00 AM
Cathay Pacific
2 Stops
37h 46m
DCA - SIN
$ 715
Kiwi
Pick dates
2:54 PM - 8:10 PM
Qatar Airways
2 Stops
30h 26m
DCA - SIN
$ 718
Kiwi
Pick dates
5:59 PM - 10:40 PM
United Airlines
1 Stops
24h 46m
DCA - SIN
$ 829
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.