$475+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SIN
May 3 — May 101
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 3, 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 3, 2026.
This oojo deal was found by Cheapflights users on 3/31. 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 9/93:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Wed 9/239:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 3/31![Etihad Airways logo]()
$1,067
This Trip.com deal was found by Cheapflights users on 3/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:05 pm
IAD
- SIN
3 stops31h 00m
Multiple Airlines
Thu 4/235:55 pm
SIN
- IAD
1 stop37h 35m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,068
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/233:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Sun 5/319:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 3/31![Etihad Airways logo]()
$1,069
This Trip.com deal was found by Cheapflights users on 3/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/92:05 pm
IAD
- SIN
1 stop31h 45m
Multiple Airlines
Thu 4/235:55 pm
SIN
- IAD
1 stop37h 35m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,074
This oojo deal was found by Cheapflights users on 3/31. 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 5/163:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Tue 6/309:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 3/31![Etihad Airways logo]()
$1,075
This oojo deal was found by Cheapflights users on 3/31. 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 9/91:15 am
IAD
- SIN
1 stop22h 40m
EVA Air
Thu 9/243:20 pm
SIN
- IAD
1 stop42h 40m
EVA Air
Deal found 3/31![EVA Air logo]()
$1,077
This KAYAK deal was found by Cheapflights users on 4/1. 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.
Sun 10/43:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Sat 10/179:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 4/1![Etihad Airways logo]()
$1,080
This KAYAK deal was found by Cheapflights users on 4/2. 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.
Mon 8/103:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Tue 8/259:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 4/2![Etihad Airways logo]()
$1,081
This Gotogate deal was found by Cheapflights users on 3/30. 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 9/93:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Mon 9/149:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 3/30![Etihad Airways logo]()
$1,082
This FlightHub deal was found by Cheapflights users on 3/30. 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.
Mon 4/271:20 pm
IAD
- SIN
1 stop32h 10m
Turkish Airlines
Thu 5/712:50 pm
SIN
- IAD
1 stop34h 45m
Turkish Airlines
Deal found 3/30![Turkish Airlines logo]()
$1,083
This oojo deal was found by Cheapflights users on 3/31. 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 4/139:00 pm
IAD
- SIN
2 stops40h 20m
Qatar Airways
Sun 4/267:15 pm
SIN
- IAD
2 stops32h 50m
Qatar Airways
Deal found 3/31![Qatar Airways logo]()
$1,084
This Justfly.com deal was found by Cheapflights users on 4/3. 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.
Tue 4/2812:55 pm
DCA
- SIN
2 stops28h 20m
Air Canada
Tue 5/197:00 am
SIN
- DCA
2 stops41h 01m
Air Canada
Deal found 4/3![Air Canada logo]()
$1,140
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 3, 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 3, 2026.
This Etihad Airways deal was found by Cheapflights users on 3/31. 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
Etihad Airways
Mon 6/229:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 3/31![Etihad Airways logo]()
$1,101
This SAUDIA deal was found by Cheapflights users on 3/29. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:40 pm
IAD
- SIN
2 stops52h 45m
SAUDIA
Mon 5/49:45 pm
SIN
- IAD
2 stops29h 55m
SAUDIA
Deal found 3/29![SAUDIA logo]()
$1,327
This Japan Airlines deal was found by Cheapflights users on 3/29. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:59 am
DCA
- SIN
2 stops50h 21m
Japan Airlines
Wed 9/169:50 pm
SIN
- DCA
2 stops30h 39m
Japan Airlines
Deal found 3/29![Japan Airlines logo]()
$1,420
This United Airlines deal was found by Cheapflights users on 3/29. 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 4/1412:40 pm
DCA
- SIN
2 stops30h 05m
United Airlines
Mon 4/278:35 pm
SIN
- DCA
2 stops25h 55m
United Airlines
Deal found 3/29![United Airlines logo]()
$1,430
This Etihad Airways deal was found by Cheapflights users on 3/30. 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.
Tue 5/126:26 pm
DCA
- SIN
2 stops27h 14m
Multiple Airlines
Tue 5/199:00 pm
SIN
- DCA
2 stops32h 46m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$1,434
This Delta deal was found by Cheapflights users on 4/2. 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 8/107:00 am
IAD
- SIN
2 stops34h 00m
Delta
Wed 8/267:30 am
SIN
- IAD
2 stops28h 40m
Delta
Deal found 4/2![Delta logo]()
$1,539
This oojo deal was found by Cheapflights users on 3/29. 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 6/236:03 am
IAD
- SIN
2 stops41h 52m
EVA Air
Tue 7/73:20 pm
SIN
- IAD
1 stop43h 10m
EVA Air
Deal found 3/29![EVA Air logo]()
$1,559
This BusinessClass deal was found by Cheapflights users on 3/29. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:40 pm
DCA
- SIN
2 stops35h 50m
Finnair
Tue 7/79:35 pm
SIN
- DCA
2 stops35h 55m
Finnair
Deal found 3/29![Finnair logo]()
$1,572
This Qatar Airways deal was found by Cheapflights users on 3/31. 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 5/239:00 pm
IAD
- SIN
1 stop31h 15m
Qatar Airways
Fri 8/213:35 pm
SIN
- IAD
2 stops29h 10m
Qatar Airways
Deal found 3/31![Qatar Airways logo]()
$1,696
This Ethiopian Air deal was found by Cheapflights users on 4/1. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:20 pm
IAD
- SIN
3 stops33h 40m
Ethiopian Air
Tue 9/222:00 am
SIN
- IAD
2 stops42h 55m
Ethiopian Air
Deal found 4/1![Ethiopian Air logo]()
$2,336
This Austrian Airlines deal was found by Cheapflights users on 4/2. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/39:50 pm
IAD
- SIN
3 stops36h 05m
Austrian Airlines
Mon 5/186:30 pm
SIN
- IAD
3 stops33h 00m
Austrian Airlines
Deal found 4/2![Austrian Airlines logo]()
$2,446
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Mon 4/131:00 pm
DCA
- SIN
2 stops29h 45m
United Airlines
Mon 4/278:35 pm
SIN
- DCA
2 stops25h 55m
United Airlines
Deal found 3/29![United Airlines logo]()
$1,430
This United Airlines deal was found by Cheapflights users on 3/31. 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 9/134:07 pm
DCA
- SIN
2 stops38h 28m
United Airlines
Wed 9/168:45 am
SIN
- DCA
1 stop25h 08m
United Airlines
Deal found 3/31![United Airlines logo]()
$1,430
This EVA Air deal was found by Cheapflights users on 4/3. 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 4/3![Multiple Airlines logo]()
$1,587
This Delta deal was found by Cheapflights users on 4/2. 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.
Tue 8/1110:00 am
DCA
- SIN
2 stops31h 00m
Delta
Fri 8/281:25 am
SIN
- DCA
2 stops31h 56m
Delta
Deal found 4/2![Delta logo]()
$1,589
This United Airlines deal was found by Cheapflights users on 4/2. 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 8/116:00 pm
DCA
- SIN
1 stop24h 15m
United Airlines
Thu 8/278:35 pm
SIN
- DCA
1 stop32h 21m
United Airlines
Deal found 4/2![United Airlines logo]()
$1,526
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Mon 8/103:15 pm
IAD
- SIN
2 stops27h 00m
United Airlines
Thu 8/278:35 pm
SIN
- IAD
1 stop22h 50m
United Airlines
Deal found 4/2![United Airlines logo]()
$1,530
This China Airlines deal was found by Cheapflights users on 4/2. 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 6/245:10 pm
BWI
- SIN
2 stops31h 25m
Multiple Airlines
Tue 7/72:00 am
SIN
- BWI
2 stops39h 30m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$1,852
This SAUDIA deal was found by Cheapflights users on 4/2. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:50 pm
IAD
- SIN
2 stops39h 25m
SAUDIA
Wed 8/262:20 am
SIN
- IAD
1 stop25h 20m
SAUDIA
Deal found 4/2![SAUDIA logo]()
$2,106
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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.
Wed 8/127:50 am
BWI
- SIN
2 stops28h 30m
Multiple Airlines
Sun 8/231:55 am
SIN
- BWI
2 stops40h 35m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$1,894
This United Airlines deal was found by Cheapflights users on 4/3. 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 8/236:00 pm
DCA
- SIN
1 stop24h 15m
United Airlines
Thu 9/38:45 am
SIN
- DCA
1 stop25h 08m
United Airlines
Deal found 4/3![United Airlines logo]()
$1,576
This United Airlines deal was found by Cheapflights users on 3/31. 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 5/196:20 am
BWI
- SIN
2 stops36h 25m
United Airlines
Fri 8/218:45 am
SIN
- BWI
2 stops42h 27m
United Airlines
Deal found 3/31![United Airlines logo]()
$1,580
This Austrian Airlines deal was found by Cheapflights users on 4/2. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:30 pm
IAD
- SIN
3 stops39h 25m
Austrian Airlines
Thu 8/276:30 pm
SIN
- IAD
2 stops32h 05m
Austrian Airlines
Deal found 4/2![Austrian Airlines logo]()
$2,671
This China Airlines deal was found by Cheapflights users on 3/30. 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.
Fri 7/178:10 pm
BWI
- SIN
2 stops28h 25m
Multiple Airlines
Sat 7/251:45 pm
SIN
- BWI
2 stops27h 45m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$2,060
This United Airlines deal was found by Cheapflights users on 3/29. 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
Wed 9/168:35 pm
SIN
- BWI
2 stops27h 10m
United Airlines
Deal found 3/29![United Airlines logo]()
$1,640
This China Airlines deal was found by Cheapflights users on 4/1. 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.
Tue 6/236:07 pm
BWI
- SIN
2 stops30h 28m
Multiple Airlines
Tue 7/71:45 pm
SIN
- BWI
2 stops27h 56m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$2,065
This United Airlines deal was found by Cheapflights users on 4/2. 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 8/118:00 am
BWI
- SIN
1 stop34h 15m
United Airlines
Sat 8/298:35 pm
SIN
- BWI
1 stop22h 38m
United Airlines
Deal found 4/2![United Airlines logo]()
$1,676
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Wed 4/156:15 am
IAD
- SIN
2 stops36h 30m
United Airlines
Sun 4/268:35 pm
SIN
- IAD
2 stops31h 28m
United Airlines
Deal found 3/29![United Airlines logo]()
$1,688
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 6/36:30 am
BWI
- SIN
1 stop24h 05m
United Airlines
Wed 6/178:35 pm
SIN
- BWI
2 stops27h 12m
United Airlines
Deal found 4/1![United Airlines logo]()
$1,826
This United Airlines deal was found by Cheapflights users on 3/29. 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 6/236:30 am
BWI
- SIN
1 stop24h 05m
United Airlines
Tue 7/78:35 pm
SIN
- BWI
1 stop22h 35m
United Airlines
Deal found 3/29![United Airlines logo]()
$1,955
Last-minute flights from Washington, D.C. to SingaporeDiscover last-minute flight deals from Washington, D.C. to Singapore. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Singapore. Data last updated April 3, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 3/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/92:05 pm
IAD
- SIN
1 stop31h 45m
Multiple Airlines
Thu 4/235:55 pm
SIN
- IAD
1 stop37h 35m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,074
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 4/129:00 pm
IAD
- SIN
1 stop30h 45m
Qatar Airways
Mon 5/43:15 am
SIN
- IAD
1 stop26h 55m
Qatar Airways
Deal found 3/31![Qatar Airways logo]()
$1,113
This oojo deal was found by Cheapflights users on 3/31. 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 4/139:00 pm
IAD
- SIN
2 stops40h 20m
Qatar Airways
Sun 4/267:15 pm
SIN
- IAD
2 stops32h 50m
Qatar Airways
Deal found 3/31![Qatar Airways logo]()
$1,084
This FlightHub deal was found by Cheapflights users on 4/1. 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.
Mon 4/131:20 pm
IAD
- SIN
1 stop32h 10m
Turkish Airlines
Thu 5/710:25 am
SIN
- IAD
1 stop37h 10m
Turkish Airlines
Deal found 4/1![Turkish Airlines logo]()
$1,112
This Trip.com deal was found by Cheapflights users on 3/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:05 pm
IAD
- SIN
3 stops31h 00m
Multiple Airlines
Thu 4/235:55 pm
SIN
- IAD
1 stop37h 35m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,068
This FlightHub deal was found by Cheapflights users on 3/30. 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.
Mon 4/271:20 pm
IAD
- SIN
1 stop32h 10m
Turkish Airlines
Thu 5/712:50 pm
SIN
- IAD
1 stop34h 45m
Turkish Airlines
Deal found 3/30![Turkish Airlines logo]()
$1,083
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Sat 5/23:10 pm
IAD
- SIN
1 stop30h 30m
Multiple Airlines
Mon 5/182:20 am
SIN
- IAD
2 stops30h 09m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$1,106
This oojo deal was found by Cheapflights users on 3/31. 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 5/163:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Tue 6/309:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 3/31![Etihad Airways logo]()
$1,075
This Trip.com deal was found by Cheapflights users on 4/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Thu 7/29:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 4/2![Etihad Airways logo]()
$1,100
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/233:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Sun 5/319:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 3/31![Etihad Airways logo]()
$1,069
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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.
Thu 5/283:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Sat 6/279:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 3/30![Etihad Airways logo]()
$1,101
This oojo deal was found by Cheapflights users on 3/29. 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
Tue 6/99:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 3/29![Etihad Airways logo]()
$1,087
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 3, 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 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 9/266:15 pm
IAD
- SIN
2 stops36h 15m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$475
This CrystalTravel deal was found by Cheapflights users on 4/1. 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.
Sat 5/93:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Deal found 4/1![Etihad Airways logo]()
$477
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Sun 5/33:10 pm
IAD
- SIN
3 stops30h 30m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 9/246:15 pm
IAD
- SIN
2 stops36h 15m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$487
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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.
Tue 4/212:05 pm
IAD
- SIN
1 stop31h 45m
Etihad Airways
Deal found 3/31![Etihad Airways logo]()
$498
This SmartFares deal was found by Cheapflights users on 3/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Deal found 3/31![Etihad Airways logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 9/256:15 pm
IAD
- SIN
2 stops36h 15m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$506
This Justfly.com deal was found by Cheapflights users on 4/1. 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.
Fri 5/83:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Deal found 4/1![Etihad Airways logo]()
$507
This Etihad Airways deal was found by Cheapflights users on 4/1. 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 5/103:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Deal found 4/1![Etihad Airways logo]()
$516
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 8/265:44 pm
IAD
- SIN
1 stop35h 51m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$524
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/153:06 pm
BWI
- SIN
3 stops50h 24m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$525
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Sat 5/23:10 pm
IAD
- SIN
3 stops33h 00m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$533
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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,067 (oojo) |
One-way from | $475 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $1,253 |
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 3, 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
Sun 6/7
3:10 pm-9:40 am
1 stop30h 30m
Singapore Changi
Mon 6/22
9:00 pm-9:45 am
1 stop24h 45m
$1,101
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Sat 4/25
6:40 pm-11:25 am
2 stops52h 45m
Singapore Changi
Mon 5/4
9:45 pm-3:40 pm
2 stops29h 55m
$1,327
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Sun 9/13
9:59 am-12:20 am
2 stops50h 21m
Singapore Changi
Wed 9/16
9:50 pm-4:29 pm
2 stops30h 39m
$1,420
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Tue 4/14
12:40 pm-6:45 am
2 stops30h 05m
Singapore Changi
Mon 4/27
8:35 pm-10:30 am
2 stops25h 55m
$1,430
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Mon 4/13
1:00 pm-6:45 am
2 stops29h 45m
Singapore Changi
Mon 4/27
8:35 pm-10:30 am
2 stops25h 55m
$1,430
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Sun 9/13
4:07 pm-6:35 pm
2 stops38h 28m
Singapore Changi
Wed 9/16
8:45 am-9:53 pm
1 stop25h 08m
$1,430
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Tue 5/12
6:26 pm-9:40 am
2 stops27h 14m
Singapore Changi
Tue 5/19
9:00 pm-5:46 pm
2 stops32h 46m
$1,434
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Tue 8/11
6:00 pm-6:15 am
1 stop24h 15m
Singapore Changi
Thu 8/27
8:35 pm-4:56 pm
1 stop32h 21m
$1,526
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Mon 8/10
3:15 pm-6:15 am
2 stops27h 00m
Singapore Changi
Thu 8/27
8:35 pm-7:25 am
1 stop22h 50m
$1,530
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Mon 8/10
7:00 am-5:00 am
2 stops34h 00m
Singapore Changi
Wed 8/26
7:30 am-12:10 am
2 stops28h 40m
$1,539
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
BWI-SIN
DCA-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
BWI-SIN
DCA-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 $833). Flying from Washington, D.C. to Singapore in June is currently the most expensive (average of $1,135). 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 3, 2026.
Read reviews from past customers who have flown Qatar Airways,United Airlines, andEtihad Airways 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.
Overall
7.4
Comfort
7.4
Food
7.3
Crew
7.9
Entertainment
7.3
Boarding
7.5
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Overall
7.4
Comfort
7.4
Food
7.3
Crew
7.9
Entertainment
7.3
Boarding
7.5
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Overall
7.4
Comfort
7.4
Food
7.3
Crew
7.9
Entertainment
7.3
Boarding
7.5
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Overall
7.4
Comfort
7.4
Food
7.3
Crew
7.9
Entertainment
7.3
Boarding
7.5
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Overall
7.4
Comfort
7.4
Food
7.3
Crew
7.9
Entertainment
7.3
Boarding
7.5
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Overall
7.4
Comfort
7.4
Food
7.3
Crew
7.9
Entertainment
7.3
Boarding
7.5
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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Search flights from Washington, D.C. to Singapore by cabin class
Find flights from Washington, D.C. to Singapore, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington, D.C. and Singapore flights
Browse other Washington, D.C. and Singapore flight options. Last updated on April 3, 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 8 airlines flying from Washington, D.C. to Singapore
Discover the top 8 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 3, 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$833 | Average$991 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$917 | Average$1,111 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,063 | Average$1,367 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,125 | Average$1,430 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,161 | Average$1,892 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,245 | Average$2,079 | FlexibilityNo cancel fee | On-time62% |