Find Cheap Flights from Washington to Singapore Changi (WAS - SIN)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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 Oct 30 2017 Return: Sun Nov 12 2017 Trip spans 14 days
Air China
Air China
IAD
12:00a
SIN
5:20p
41h 20m
1 stop
SIN
12:00a
IAD
5:05p
41h 05m
1 stop
Depart: Wed Jan 17 2018 Return: Mon Jan 29 2018 Trip spans 13 days
American Airlines
American Airlines
DCA
12:00a
SIN
1:21a
25h 21m
2 stops
SIN
12:00a
DCA
2:03a
26h 03m
2 stops
Depart: Wed Mar 28 2018 Return: Wed Apr 11 2018 Trip spans 15 days
Multiple Airlines
Multiple Airlines
DCA
12:00a
SIN
1:56a
25h 56m
2 stops
SIN
12:00a
DCA
2:39a
26h 39m
2 stops
Depart: Tue Sep 26 2017 Return: Mon Oct 23 2017 Trip spans 28 days
Turkish Airlines
Turkish Airlines
IAD
12:00a
SIN
6:55a
30h 55m
1 stop
SIN
12:00a
IAD
7:50a
31h 50m
1 stop
Depart: Mon Oct 30 2017 Return: Sun Nov 12 2017 Trip spans 14 days
China Eastern
China Eastern
DCA
12:00a
SIN
8:25a
32h 25m
2 stops
SIN
12:00a
DCA
11:50a
35h 50m
2 stops
Depart: Tue Feb 6 2018 Return: Fri Feb 23 2018 Trip spans 18 days
Air Canada
Air Canada
DCA
12:00a
SIN
5:25a
29h 25m
2 stops
SIN
12:00a
DCA
9:36a
33h 36m
2 stops
Depart: Thu Sep 21 2017 Return: Mon Sep 25 2017 Trip spans 5 days
Cathay Pacific
Cathay Pacific
DCA
12:00a
SIN
6:33a
30h 33m
3 stops
SIN
12:00a
DCA
12:15a
24h 15m
2 stops
Depart: Mon Nov 27 2017 Return: Sun Dec 24 2017 Trip spans 28 days
Air China
Air China
IAD
12:00a
SIN
1:55a
25h 55m
1 stop
SIN
12:00a
IAD
5:05p
41h 05m
1 stop
Depart: Mon Mar 5 2018 Return: Sun Mar 25 2018 Trip spans 20 days
Air China
Air China
IAD
12:00a
SIN
5:20p
41h 20m
1 stop
SIN
12:00a
IAD
2:20a
26h 20m
1 stop
Depart: Wed Mar 28 2018 Return: Wed Apr 11 2018 Trip spans 15 days
American Airlines
American Airlines
DCA
12:00a
SIN
3:25a
27h 25m
2 stops
SIN
12:00a
DCA
3:15a
27h 15m
2 stops
Depart: Wed Mar 28 2018 Return: Wed Apr 11 2018 Trip spans 15 days
Air China
Air China
IAD
12:00a
SIN
5:05p
41h 05m
1 stop
SIN
12:00a
IAD
2:20a
26h 20m
1 stop
Depart: Tue Feb 6 2018 Return: Fri Feb 23 2018 Trip spans 18 days
American Airlines
American Airlines
IAD
12:00a
SIN
4:08a
28h 08m
2 stops
SIN
12:00a
IAD
11:12a
35h 12m
2 stops
Depart: Sun Nov 26 2017 Return: Sun Dec 10 2017 Trip spans 15 days
Air China
Air China
IAD
12:00a
SIN
5:20p
41h 20m
1 stop
SIN
12:00a
IAD
5:05p
41h 05m
1 stop
Depart: Tue Nov 7 2017 Return: Sun Nov 19 2017 Trip spans 13 days
China Eastern
China Eastern
DCA
12:00a
SIN
4:55p
40h 55m
2 stops
SIN
12:00a
DCA
11:50a
35h 50m
2 stops
Depart: Mon Jan 8 2018 Return: Mon Jan 22 2018 Trip spans 15 days
Air China
Air China
IAD
12:00a
SIN
1:55a
25h 55m
1 stop
SIN
12:00a
IAD
5:05p
41h 05m
1 stop
Depart: Thu Oct 5 2017 Return: Tue Oct 10 2017 Trip spans 6 days
Turkish Airlines
Turkish Airlines
IAD
12:00a
SIN
6:55a
30h 55m
1 stop
SIN
12:00a
IAD
7:50a
31h 50m
1 stop
Depart: Wed Jan 10 2018 Return: Mon Jan 22 2018 Trip spans 13 days
China Eastern
China Eastern
DCA
12:00a
SIN
4:45p
40h 45m
2 stops
SIN
12:00a
DCA
12:12p
36h 12m
2 stops
Depart: Sun Dec 3 2017 Return: Tue Dec 5 2017 Trip spans 3 days
$1037
Select
Cathay Pacific
Cathay Pacific
DCA
12:00a
SIN
4:30a
28h 30m
2 stops
SIN
12:00a
DCA
8:30a
32h 30m
3 stops
Depart: Thu Nov 9 2017 Return: Sun Nov 19 2017 Trip spans 11 days
China Eastern
China Eastern
DCA
12:00a
SIN
7:20a
31h 20m
2 stops
SIN
12:00a
DCA
10:20a
34h 20m
2 stops
Depart: Sat Dec 9 2017 Return: Thu Dec 14 2017 Trip spans 6 days
China Eastern
China Eastern
IAD
12:00a
SIN
10:54a
34h 54m
2 stops
SIN
12:00a
IAD
10:16a
34h 16m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Washington
only $542
only $611
Destination

Singapore
$542