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Find Flight Deals from Washington to Singapore Changi (WAS - SIN)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington to Singapore Changi

(Round-trip)
Depart: Mon Apr 13 2015 Return: Wed Apr 22 2015 Trip spans 10 days
Air China
Air China
IAD
12:35p
SIN
2:25p
25h 50m
1 stop
SIN
5:35a
IAD
10:35p
41h 00m
1 stop
Depart: Mon Mar 23 2015 Return: Mon Apr 20 2015 Trip spans 29 days
American Airlines
American Airlines
DCA
3:34a
SIN
7:55a
28h 21m
2 stops
SIN
9:20p
DCA
7:00a
33h 40m
2 stops
Depart: Wed Mar 11 2015 Return: Wed Mar 18 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
DCA
3:34a
SIN
7:50p
40h 16m
2 stops
SIN
4:20a
DCA
7:00a
26h 40m
2 stops
Depart: Wed Mar 25 2015 Return: Mon Apr 6 2015 Trip spans 13 days
United
United
IAD
4:21a
SIN
8:45a
28h 24m
2 stops
SIN
1:50a
IAD
11:50p
22h 00m
1 stop
Depart: Wed Apr 8 2015 Return: Wed Apr 15 2015 Trip spans 8 days
American Airlines
American Airlines
IAD
1:30a
SIN
8:15a
30h 45m
2 stops
SIN
9:20p
IAD
8:28a
35h 08m
2 stops
Depart: Wed Apr 29 2015 Return: Sun May 10 2015 Trip spans 12 days
United
United
DCA
4:23a
SIN
8:05a
27h 42m
2 stops
SIN
2:10a
DCA
5:00a
26h 50m
2 stops
Depart: Wed May 20 2015 Return: Tue May 26 2015 Trip spans 7 days
$1011
Select
Qatar Airways
Qatar Airways
IAD
5:05p
SIN
11:15p
30h 10m
1 stop
SIN
10:20p
IAD
11:25p
25h 05m
1 stop
Depart: Mon Jun 8 2015 Return: Tue Jun 30 2015 Trip spans 23 days
$1061
Select
Delta
Delta
DCA
2:00a
SIN
7:30a
29h 30m
2 stops
SIN
2:55a
DCA
6:06a
27h 11m
2 stops
Depart: Tue Jun 2 2015 Return: Sat Jun 6 2015 Trip spans 5 days
$1081
Select
Etihad Airways
Etihad Airways
IAD
6:30p
SIN
6:05p
23h 35m
1 stop
SIN
4:10p
IAD
1:25a
33h 15m
1 stop
Depart: Sun May 3 2015 Return: Tue May 19 2015 Trip spans 17 days
$1106
Select
Emirates
Emirates
IAD
6:55a
SIN
4:55a
22h 00m
1 stop
SIN
5:25p
IAD
4:35p
23h 10m
1 stop
Depart: Mon Aug 17 2015 Return: Fri Aug 21 2015 Trip spans 5 days
$1269
Select
Multiple Airlines
Multiple Airlines
IAD
5:29a
SIN
2:50p
33h 21m
2 stops
SIN
5:25a
IAD
2:15p
32h 50m
2 stops
Depart: Wed Jul 15 2015 Return: Mon Jul 20 2015 Trip spans 6 days
$1382
Select
Singapore Airlines
Singapore Airlines
IAD
6:15a
SIN
8:50a
26h 35m
2 stops
SIN
7:55p
IAD
3:25a
31h 30m
2 stops
Depart: Thu Jun 11 2015 Return: Thu Jun 18 2015 Trip spans 8 days
$1402
Select
Air Canada
Air Canada
DCA
5:35a
SIN
8:05a
26h 30m
2 stops
SIN
1:50a
DCA
6:21a
28h 31m
2 stops
Depart: Tue Jun 16 2015 Return: Thu Jun 25 2015 Trip spans 10 days
$1462
Select
Korean Air
Korean Air
IAD
9:35a
SIN
1:00p
27h 25m
1 stop
SIN
9:10p
IAD
7:30p
22h 20m
1 stop
Depart: Mon Jun 29 2015 Return: Sun Jul 12 2015 Trip spans 14 days
$1521
Select
Turkish Airlines
Turkish Airlines
IAD
7:25p
SIN
1:25a
30h 00m
1 stop
SIN
7:15p
IAD
2:10a
30h 55m
1 stop
Depart: Wed Jun 24 2015 Return: Thu Jul 9 2015 Trip spans 16 days
$1583
Select
KLM Royal Dutch
KLM Royal Dutch
IAD
1:45p
SIN
11:30p
33h 45m
1 stop
SIN
8:35p
IAD
11:30p
26h 55m
1 stop
Depart: Fri Jul 31 2015 Return: Thu Aug 13 2015 Trip spans 14 days
$1592
Select
Air France
Air France
IAD
2:50p
SIN
10:15p
31h 25m
1 stop
SIN
8:25p
IAD
12:10a
27h 45m
1 stop
Change your search
Airports
Origin

Washington
only $732
only $934
Destination

Singapore
$732