$261+ Cheap flights from Washington, D.C. (WAS) to Singapore
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SIN
May 21 — May 281
Round-trip
1 adult, Economy
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Cheapest flights from Washington, D.C. to SingaporeExplore the most affordable flight options available from Washington, D.C. to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 21, 2026.
Explore the most affordable flight options available from Washington, D.C. to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 21, 2026.
This KAYAK deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Thu 6/189:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 4/16![Etihad Airways logo]()
$1,133
This oojo deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:16 pm
BWI
- SIN
1 stop35h 19m
Singapore Airlines
Fri 9/258:45 pm
SIN
- BWI
1 stop31h 50m
Singapore Airlines
Deal found 4/18![Singapore Airlines logo]()
$1,135
This deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:00 pm
IAD
- SIN
1 stop24h 20m
Qatar Airways
Sat 5/231:30 am
SIN
- IAD
1 stop28h 50m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$1,137
This Gotogate deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:00 pm
IAD
- SIN
1 stop23h 50m
Qatar Airways
Thu 10/291:40 pm
SIN
- IAD
2 stops31h 40m
Qatar Airways
Deal found 4/17![Qatar Airways logo]()
$1,138
This Mytrip deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:05 pm
IAD
- SIN
2 stops31h 35m
Multiple Airlines
Thu 11/128:15 pm
SIN
- IAD
1 stop32h 40m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,139
This oojo deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:00 pm
IAD
- SIN
2 stops33h 15m
Qatar Airways
Wed 10/73:15 am
SIN
- IAD
1 stop24h 25m
Qatar Airways
Deal found 4/16![Qatar Airways logo]()
$1,140
This Qatar Airways deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:00 pm
IAD
- SIN
1 stop23h 50m
Qatar Airways
Wed 10/143:15 am
SIN
- IAD
1 stop24h 25m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,141
This oojo deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:00 pm
IAD
- SIN
1 stop31h 15m
Qatar Airways
Mon 5/189:15 pm
SIN
- IAD
2 stops33h 05m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,144
This Ovago deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:00 pm
IAD
- SIN
1 stop31h 15m
Qatar Airways
Fri 5/11:30 am
SIN
- IAD
1 stop28h 50m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,145
This oojo deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/73:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Sun 6/219:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 4/20![Etihad Airways logo]()
$1,148
This FlightHub deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:00 pm
IAD
- SIN
1 stop23h 45m
Qatar Airways
Sat 10/313:15 am
SIN
- IAD
1 stop25h 40m
Qatar Airways
Deal found 4/17![Qatar Airways logo]()
$1,149
This Cheapflightsfares deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:00 pm
IAD
- SIN
2 stops27h 55m
Qatar Airways
Sat 9/123:15 am
SIN
- IAD
1 stop24h 25m
Qatar Airways
Deal found 4/17![Qatar Airways logo]()
$1,152
Best flights from Washington, D.C. to SingaporeDiscover carefully curated flight deals from Washington, D.C. to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 21, 2026.
Discover carefully curated flight deals from Washington, D.C. to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 21, 2026.
This Turkish Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:20 pm
IAD
- SIN
1 stop32h 10m
Turkish Airlines
Thu 9/1010:25 am
SIN
- IAD
1 stop37h 10m
Turkish Airlines
Deal found 4/20![Turkish Airlines logo]()
$1,170
This Qatar Airways deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:15 am
IAD
- SIN
1 stop22h 00m
Qatar Airways
Sun 11/18:15 pm
SIN
- IAD
1 stop32h 40m
Qatar Airways
Deal found 4/17![Qatar Airways logo]()
$1,181
This Etihad Airways deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/73:10 pm
IAD
- SIN
1 stop30h 30m
Multiple Airlines
Mon 6/225:00 pm
SIN
- IAD
2 stops28h 45m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,494
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am
DCA
- SIN
2 stops36h 15m
United Airlines
Mon 9/288:35 pm
SIN
- DCA
2 stops26h 09m
United Airlines
Deal found 4/20![United Airlines logo]()
$1,731
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:00 am
BWI
- SIN
2 stops28h 55m
Delta
Mon 5/187:30 am
SIN
- BWI
2 stops29h 27m
Delta
Deal found 4/20![Delta logo]()
$1,840
This Emirates deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:55 am
IAD
- SIN
2 stops36h 35m
Emirates
Tue 7/1412:30 pm
SIN
- IAD
2 stops32h 10m
Emirates
Deal found 4/16![Emirates logo]()
$1,900
This Finnair deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:40 pm
DCA
- SIN
2 stops35h 50m
Finnair
Thu 6/189:35 pm
SIN
- DCA
2 stops37h 39m
Finnair
Deal found 4/16![Finnair logo]()
$1,901
This British Airways deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/189:30 pm
BWI
- SIN
1 stop30h 35m
British Airways
Mon 7/2711:20 pm
SIN
- BWI
1 stop32h 20m
British Airways
Deal found 4/17![British Airways logo]()
$1,927
This Qatar Airways deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/112:54 pm
DCA
- SIN
2 stops30h 26m
Qatar Airways
Tue 5/191:05 am
SIN
- DCA
2 stops34h 23m
Qatar Airways
Deal found 4/16![Qatar Airways logo]()
$1,440
This Etihad Airways deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/53:10 pm
IAD
- SIN
1 stop30h 30m
Multiple Airlines
Thu 6/185:00 pm
SIN
- IAD
2 stops28h 45m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,494
This Qatar Airways deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:40 pm
DCA
- SIN
2 stops26h 40m
Qatar Airways
Fri 7/103:15 am
SIN
- DCA
2 stops30h 35m
Qatar Airways
Deal found 4/16![Qatar Airways logo]()
$1,626
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:05 am
BWI
- SIN
1 stop24h 30m
United Airlines
Tue 5/268:35 pm
SIN
- BWI
2 stops27h 12m
United Airlines
Deal found 4/20![United Airlines logo]()
$1,827
This Finnair deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:59 pm
DCA
- SIN
2 stops35h 31m
Finnair
Mon 7/139:35 pm
SIN
- DCA
2 stops37h 47m
Finnair
Deal found 4/16![Finnair logo]()
$1,976
This Emirates deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:53 pm
IAD
- SIN
2 stops35h 12m
Emirates
Fri 7/319:00 pm
SIN
- IAD
1 stop23h 40m
Emirates
Deal found 4/17![Emirates logo]()
$1,976
This EVA Air deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:15 pm
BWI
- SIN
2 stops27h 40m
Multiple Airlines
Mon 9/283:20 pm
SIN
- BWI
3 stops32h 00m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,848
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:05 am
BWI
- SIN
1 stop24h 30m
United Airlines
Mon 5/188:35 pm
SIN
- BWI
2 stops27h 01m
United Airlines
Deal found 4/20![United Airlines logo]()
$1,877
This Finnair deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:24 pm
DCA
- SIN
2 stops35h 06m
Finnair
Thu 7/309:35 pm
SIN
- DCA
2 stops37h 47m
Finnair
Deal found 4/17![Finnair logo]()
$1,991
This Qatar Airways deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:00 pm
IAD
- SIN
2 stops32h 30m
Qatar Airways
Mon 7/61:40 pm
SIN
- IAD
2 stops31h 05m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$1,815
This Alaska Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:00 am
DCA
- SIN
2 stops28h 20m
Multiple Airlines
Tue 5/198:05 am
SIN
- DCA
2 stops25h 54m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,852
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:05 am
BWI
- SIN
1 stop24h 30m
United Airlines
Thu 5/218:35 pm
SIN
- BWI
1 stop22h 35m
United Airlines
Deal found 4/17![United Airlines logo]()
$1,877
This Emirates deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:03 pm
BWI
- SIN
2 stops35h 57m
Emirates
Mon 8/310:35 am
SIN
- BWI
2 stops46h 51m
Emirates
Deal found 4/17![Emirates logo]()
$2,123
This Finnair deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:40 pm
DCA
- SIN
2 stops35h 50m
Finnair
Fri 6/199:35 pm
SIN
- DCA
2 stops37h 39m
Finnair
Deal found 4/16![Finnair logo]()
$1,991
This China Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:50 pm
DCA
- SIN
3 stops31h 45m
Multiple Airlines
Wed 11/112:25 pm
SIN
- DCA
2 stops42h 35m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,885
This Qatar Airways deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:59 pm
DCA
- SIN
2 stops26h 21m
Qatar Airways
Thu 6/111:30 am
SIN
- DCA
2 stops33h 29m
Qatar Airways
Deal found 4/18![Qatar Airways logo]()
$1,896
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:59 pm
DCA
- SIN
1 stop24h 46m
United Airlines
Tue 5/268:45 am
SIN
- DCA
1 stop25h 30m
United Airlines
Deal found 4/20![United Airlines logo]()
$1,935
This Finnair deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:48 am
BWI
- SIN
2 stops46h 42m
Finnair
Sat 7/119:35 pm
SIN
- BWI
2 stops44h 06m
Finnair
Deal found 4/16![Finnair logo]()
$2,076
This Cathay Pacific deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:23 am
IAD
- SIN
2 stops41h 22m
Multiple Airlines
Tue 7/217:20 am
SIN
- IAD
2 stops33h 53m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,891
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:00 am
BWI
- SIN
1 stop46h 35m
United Airlines
Thu 9/178:35 pm
SIN
- BWI
1 stop22h 38m
United Airlines
Deal found 4/18![United Airlines logo]()
$1,944
This Qatar Airways deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:00 pm
IAD
- SIN
2 stops26h 25m
Qatar Airways
Sun 7/56:15 pm
SIN
- IAD
2 stops33h 25m
Qatar Airways
Deal found 4/18![Qatar Airways logo]()
$1,958
This Etihad Airways deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/173:10 pm
IAD
- SIN
1 stop30h 30m
Multiple Airlines
Sat 7/255:00 pm
SIN
- IAD
2 stops28h 45m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,905
Last-minute flights from Washington, D.C. to SingaporeDiscover last-minute flight deals from Washington, D.C. to Singapore. Data last updated April 21, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Singapore. Data last updated April 21, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:00 pm
IAD
- SIN
1 stop31h 15m
Qatar Airways
Fri 5/11:30 am
SIN
- IAD
1 stop28h 50m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,145
This Qatar Airways deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:00 pm
IAD
- SIN
2 stops33h 15m
Qatar Airways
Mon 5/41:30 am
SIN
- IAD
1 stop28h 50m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,173
This oojo deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:00 pm
IAD
- SIN
1 stop31h 15m
Qatar Airways
Mon 5/189:15 pm
SIN
- IAD
2 stops33h 05m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,144
This deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:00 pm
IAD
- SIN
1 stop24h 20m
Qatar Airways
Sat 5/231:30 am
SIN
- IAD
1 stop28h 50m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$1,137
This Gotogate deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:45 pm
IAD
- SIN
1 stop23h 00m
Turkish Airlines
Mon 5/1811:10 am
SIN
- IAD
1 stop36h 25m
Turkish Airlines
Deal found 4/19![Turkish Airlines logo]()
$1,156
This Flightnetwork deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:00 pm
IAD
- SIN
2 stops26h 25m
Qatar Airways
Sun 5/171:30 am
SIN
- IAD
1 stop28h 50m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$1,158
This oojo deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:00 pm
IAD
- SIN
2 stops35h 25m
Qatar Airways
Tue 5/129:15 pm
SIN
- IAD
2 stops33h 05m
Qatar Airways
Deal found 4/16![Qatar Airways logo]()
$1,169
This Justfly.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:00 pm
IAD
- SIN
2 stops26h 25m
Multiple Airlines
Tue 6/237:40 pm
SIN
- IAD
1 stop32h 00m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,162
This FlightHub deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:00 pm
IAD
- SIN
2 stops30h 35m
Multiple Airlines
Thu 5/211:30 am
SIN
- IAD
1 stop28h 50m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,164
This oojo deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:00 pm
IAD
- SIN
2 stops26h 25m
Qatar Airways
Thu 5/216:20 am
SIN
- IAD
2 stops48h 00m
Qatar Airways
Deal found 4/17![Qatar Airways logo]()
$1,174
This CrystalTravel deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/193:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Sun 5/249:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 4/20![Etihad Airways logo]()
$1,153
This oojo deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Fri 6/59:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 4/20![Etihad Airways logo]()
$1,166
One-way flights from Washington, D.C. to SingaporeSearch for one-way flight options from Washington, D.C. to Singapore. Find affordable one-way fares based on user searches. Data last updated April 21, 2026.
Search for one-way flight options from Washington, D.C. to Singapore. Find affordable one-way fares based on user searches. Data last updated April 21, 2026.
This FlightHub deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:54 pm
IAD
- SIN
2 stops31h 21m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$261
This oojo deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:04 am
BWI
- SIN
2 stops42h 11m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:50 am
BWI
- SIN
2 stops51h 35m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:16 pm
BWI
- SIN
3 stops47h 29m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:00 am
IAD
- SIN
3 stops50h 25m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am
IAD
- SIN
3 stops53h 10m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:00 am
IAD
- SIN
3 stops52h 25m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:16 pm
BWI
- SIN
3 stops34h 24m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:00 am
IAD
- SIN
3 stops50h 25m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:16 pm
BWI
- SIN
3 stops42h 09m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:00 am
IAD
- SIN
3 stops41h 25m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:30 am
DCA
- SIN
2 stops50h 05m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$490
Find flight deals from Washington, D.C. to Singapore
Keep the following information in mind while searching for Washington, D.C. to Singapore flight deals. Data was last updated April 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,135 (oojo) |
One-way from | $261 (FlightHub) |
Popular in | December |
Cheapest in | August |
Average price | $1,226 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Singapore that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Mon 9/7
1:20 pm-9:30 am
1 stop32h 10m
Singapore Changi
Thu 9/10
10:25 am-11:35 am
1 stop37h 10m
$1,170
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Fri 10/2
11:15 am-9:15 pm
1 stop22h 00m
Singapore Changi
Sun 11/1
8:15 pm-3:55 pm
1 stop32h 40m
$1,181
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Mon 5/11
2:54 pm-9:20 am
2 stops30h 26m
Singapore Changi
Tue 5/19
1:05 am-11:28 pm
2 stops34h 23m
$1,440
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Sun 6/7
3:10 pm-9:40 am
1 stop30h 30m
Singapore Changi
Mon 6/22
5:00 pm-9:45 am
2 stops28h 45m
$1,494
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Fri 6/5
3:10 pm-9:40 am
1 stop30h 30m
Singapore Changi
Thu 6/18
5:00 pm-9:45 am
2 stops28h 45m
$1,494
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Mon 6/1
6:40 pm-9:20 am
2 stops26h 40m
Singapore Changi
Fri 7/10
3:15 am-9:50 pm
2 stops30h 35m
$1,626
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Thu 9/24
6:00 am-6:15 am
2 stops36h 15m
Singapore Changi
Mon 9/28
8:35 pm-10:44 am
2 stops26h 09m
$1,731
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Thu 7/2
9:00 pm-5:30 pm
2 stops32h 30m
Singapore Changi
Mon 7/6
1:40 pm-8:45 am
2 stops31h 05m
$1,815
BaltimoreSingapore
BWI - SIN
BWISIN
Baltimore/Washington
Tue 5/12
6:05 am-6:35 pm
1 stop24h 30m
Singapore Changi
Tue 5/26
8:35 pm-11:47 am
2 stops27h 12m
$1,827
BaltimoreSingapore
BWI - SIN
BWISIN
Baltimore/Washington
Mon 5/11
7:00 am-11:55 pm
2 stops28h 55m
Singapore Changi
Mon 5/18
7:30 am-12:57 am
2 stops29h 27m
$1,840
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington, D.C. to Singapore
Have a flexible travel schedule? Discover the best time to fly to Singapore from Washington, D.C. with our price prediction graph.
IAD-SIN
DCA-SIN
BWI-SIN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. to Singapore
WAS-SG0
IAD-SIN
DCA-SIN
BWI-SIN
What is the cheapest month to book a flight from Washington, D.C. to Singapore?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Singapore (average of $343). Flying from Washington, D.C. to Singapore in December is currently the most expensive (average of $1,073). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Singapore
Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated April 21, 2026.
Read reviews from past customers who have flown Qatar Airways,Turkish Airlines, andUnited Airlines from Washington, D.C. to Singapore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.3
Food
7.3
Overall
7.4
Boarding
7.5
Comfort
7.3
Crew
7.9
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Entertainment
7.3
Food
7.3
Overall
7.4
Boarding
7.5
Comfort
7.3
Crew
7.9
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Entertainment
7.3
Food
7.3
Overall
7.4
Boarding
7.5
Comfort
7.3
Crew
7.9
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Entertainment
7.3
Food
7.3
Overall
7.4
Boarding
7.5
Comfort
7.3
Crew
7.9
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Entertainment
7.3
Food
7.3
Overall
7.4
Boarding
7.5
Comfort
7.3
Crew
7.9
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Entertainment
7.3
Food
7.3
Overall
7.4
Boarding
7.5
Comfort
7.3
Crew
7.9
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Washington, D.C. to Singapore
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Complete your trip
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Washington, D.C. and Singapore flights
Browse other Washington, D.C. and Singapore flight options. Last updated on April 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Washington, D.C. to Singapore flights
Consider these flights traveling from Washington, D.C. to Singapore.
Top 7 airlines flying from Washington, D.C. to Singapore
Discover the top 7 airlines that operate flights from Washington, D.C. to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$743 | Average$1,328 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$807 | Average$996 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$828 | Average$932 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$917 | Average$1,112 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,063 | Average$1,367 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,125 | Average$1,401 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,245 | Average$2,103 | FlexibilityNo cancel fee | On-time62% |