$545+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SIN
Jun 6 — Jun 131
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 May 7, 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 May 7, 2026.
This Trip.com deal was found by Cheapflights users on 5/4. 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 5/73:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Thu 5/219:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 5/4![Etihad Airways logo]()
$937
This Rumbo deal was found by Cheapflights users on 5/5. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Mon 5/259:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 5/5![Etihad Airways logo]()
$953
This Trip.com deal was found by Cheapflights users on 5/5. 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 5/113:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Tue 5/199:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 5/5![Etihad Airways logo]()
$960
This Gotogate deal was found by Cheapflights users on 5/5. 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.
Tue 5/123:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Tue 5/269:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 5/5![Etihad Airways logo]()
$985
This Gotogate deal was found by Cheapflights users on 5/4. 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.
Thu 10/13:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Thu 10/229:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 5/4![Etihad Airways logo]()
$1,039
This Gotogate deal was found by Cheapflights users on 5/4. 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 9/163:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Tue 10/69:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 5/4![Etihad Airways logo]()
$1,040
This Gotogate deal was found by Cheapflights users on 5/5. 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.
Thu 9/33:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Wed 9/99:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 5/5![Etihad Airways logo]()
$1,041
This FlightHub deal was found by Cheapflights users on 5/6. 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 9/149:45 pm
IAD
- SIN
1 stop32h 10m
Turkish Airlines
Thu 9/1710:25 am
SIN
- IAD
1 stop37h 10m
Turkish Airlines
Deal found 5/6![Turkish Airlines logo]()
$1,045
This FlightHub deal was found by Cheapflights users on 5/6. 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.
Thu 9/109:45 pm
IAD
- SIN
1 stop32h 10m
Turkish Airlines
Thu 9/2410:25 am
SIN
- IAD
1 stop37h 10m
Turkish Airlines
Deal found 5/6![Turkish Airlines logo]()
$1,046
This oojo deal was found by Cheapflights users on 5/5. 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.
Thu 8/273:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Mon 9/289:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 5/5![Etihad Airways logo]()
$1,047
This FlightHub deal was found by Cheapflights users on 5/5. 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.
Tue 9/223:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Thu 10/159:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 5/5![Etihad Airways logo]()
$1,048
This Expedia deal was found by Cheapflights users on 5/4. 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 Expedia 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
Multiple Airlines
Tue 10/69:00 am
SIN
- BWI
1 stop32h 20m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,220
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 May 7, 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 May 7, 2026.
This Qatar Airways deal was found by Cheapflights users on 5/3. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:00 pm
IAD
- SIN
2 stops29h 40m
Qatar Airways
Fri 5/221:30 am
SIN
- IAD
1 stop28h 50m
Qatar Airways
Deal found 5/3![Qatar Airways logo]()
$1,399
This China Airlines deal was found by Cheapflights users on 5/5. 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 10/2810:20 am
BWI
- SIN
2 stops38h 45m
Multiple Airlines
Sun 11/12:25 pm
SIN
- BWI
2 stops28h 56m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,524
This Finnair deal was found by Cheapflights users on 5/4. 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 7/207:58 pm
DCA
- SIN
2 stops34h 32m
Finnair
Tue 8/189:35 pm
SIN
- DCA
2 stops37h 58m
Finnair
Deal found 5/4![Finnair logo]()
$1,790
This United Airlines deal was found by Cheapflights users on 5/4. 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 9/166:00 pm
DCA
- SIN
1 stop24h 15m
United Airlines
Tue 10/68:45 am
SIN
- DCA
1 stop25h 08m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,842
This British Airways deal was found by Cheapflights users on 5/5. 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.
Sat 5/169:30 pm
BWI
- SIN
1 stop33h 10m
British Airways
Wed 5/2011:20 pm
SIN
- BWI
1 stop32h 20m
British Airways
Deal found 5/5![British Airways logo]()
$1,927
This Asiana Airlines deal was found by Cheapflights users on 5/5. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:48 pm
IAD
- SIN
2 stops39h 42m
Asiana Airlines
Mon 8/310:50 pm
SIN
- IAD
2 stops43h 03m
Asiana Airlines
Deal found 5/5![Asiana Airlines logo]()
$1,931
This Delta deal was found by Cheapflights users on 5/6. 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 6/2312:37 pm
IAD
- SIN
2 stops52h 23m
Delta
Thu 7/161:25 am
SIN
- IAD
2 stops34h 38m
Delta
Deal found 5/6![Delta logo]()
$2,505
This Ethiopian Air deal was found by Cheapflights users on 5/5. 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 10/289:50 pm
IAD
- SIN
2 stops29h 00m
Ethiopian Air
Sun 11/12:30 pm
SIN
- IAD
3 stops41h 35m
Ethiopian Air
Deal found 5/5![Ethiopian Air logo]()
$2,593
This Qatar Airways deal was found by Cheapflights users on 5/6. 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 6/2511:05 am
IAD
- SIN
1 stop22h 10m
Qatar Airways
Thu 7/164:35 pm
SIN
- IAD
2 stops35h 05m
Qatar Airways
Deal found 5/6![Qatar Airways logo]()
$1,645
This Etihad Airways deal was found by Cheapflights users on 5/3. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:10 pm
IAD
- SIN
1 stop30h 30m
Multiple Airlines
Tue 7/285:00 pm
SIN
- IAD
2 stops28h 45m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$1,648
This Finnair deal was found by Cheapflights users on 5/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:58 pm
DCA
- SIN
2 stops34h 32m
Finnair
Thu 7/99:35 pm
SIN
- DCA
2 stops37h 56m
Finnair
Deal found 5/3![Finnair logo]()
$1,815
This Qatar Airways deal was found by Cheapflights users on 5/3. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/279:00 pm
IAD
- SIN
1 stop36h 15m
Qatar Airways
Mon 8/177:40 pm
SIN
- IAD
1 stop25h 05m
Qatar Airways
Deal found 5/3![Qatar Airways logo]()
$1,667
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Mon 10/54:07 pm
DCA
- SIN
2 stops26h 08m
United Airlines
Tue 11/1010:10 am
SIN
- DCA
1 stop24h 43m
United Airlines
Deal found 5/1![United Airlines logo]()
$1,842
This Asiana Airlines deal was found by Cheapflights users on 5/4. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:55 pm
IAD
- SIN
2 stops39h 35m
Asiana Airlines
Sun 8/1610:50 pm
SIN
- IAD
2 stops43h 10m
Asiana Airlines
Deal found 5/4![Asiana Airlines logo]()
$1,980
This British Airways deal was found by Cheapflights users on 5/4. 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.
Thu 7/239:30 pm
BWI
- SIN
2 stops34h 55m
British Airways
Wed 8/1211:20 pm
SIN
- BWI
1 stop32h 20m
British Airways
Deal found 5/4![British Airways logo]()
$2,147
This Finnair deal was found by Cheapflights users on 5/6. 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.
Thu 6/256:40 pm
DCA
- SIN
2 stops35h 50m
Finnair
Sun 7/129:35 pm
SIN
- DCA
2 stops37h 56m
Finnair
Deal found 5/6![Finnair logo]()
$1,975
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Thu 10/2912:40 pm
DCA
- SIN
2 stops30h 20m
United Airlines
Mon 11/210:10 am
SIN
- DCA
1 stop24h 43m
United Airlines
Deal found 5/2![United Airlines logo]()
$2,041
This British Airways deal was found by Cheapflights users on 5/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:30 pm
BWI
- SIN
1 stop33h 10m
British Airways
Wed 7/811:20 pm
SIN
- BWI
1 stop32h 20m
British Airways
Deal found 5/3![British Airways logo]()
$2,147
This United Airlines deal was found by Cheapflights users on 5/4. 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 5/188:20 pm
DCA
- SIN
2 stops34h 15m
United Airlines
Thu 5/218:45 am
SIN
- DCA
1 stop25h 30m
United Airlines
Deal found 5/4![United Airlines logo]()
$2,046
This China Airlines deal was found by Cheapflights users on 5/3. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/277:35 pm
BWI
- SIN
2 stops29h 00m
Multiple Airlines
Mon 8/171:45 pm
SIN
- BWI
2 stops28h 42m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$2,254
This British Airways deal was found by Cheapflights users on 5/6. 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.
Tue 6/239:30 pm
BWI
- SIN
1 stop30h 35m
British Airways
Tue 7/1410:40 pm
SIN
- BWI
2 stops31h 09m
British Airways
Deal found 5/6![British Airways logo]()
$2,227
This Delta deal was found by Cheapflights users on 5/6. 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.
Fri 6/196:14 am
IAD
- SIN
2 stops34h 46m
Delta
Wed 7/151:25 am
SIN
- IAD
2 stops34h 38m
Delta
Deal found 5/6![Delta logo]()
$2,730
This United Airlines deal was found by Cheapflights users on 5/5. 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 7/206:38 am
BWI
- SIN
1 stop23h 57m
United Airlines
Sun 8/28:45 am
SIN
- BWI
1 stop34h 25m
United Airlines
Deal found 5/5![United Airlines logo]()
$2,112
This British Airways deal was found by Cheapflights users on 5/5. 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.
Tue 7/79:30 pm
BWI
- SIN
1 stop30h 35m
British Airways
Mon 7/1311:20 pm
SIN
- BWI
2 stops30h 29m
British Airways
Deal found 5/5![British Airways logo]()
$2,228
This United Airlines deal was found by Cheapflights users on 5/4. 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 7/26:38 am
BWI
- SIN
1 stop23h 57m
United Airlines
Tue 8/48:35 pm
SIN
- BWI
2 stops27h 12m
United Airlines
Deal found 5/4![United Airlines logo]()
$2,142
This Finnair deal was found by Cheapflights users on 5/2. 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 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
Fri 6/129:35 pm
SIN
- DCA
2 stops37h 39m
Finnair
Deal found 5/2![Finnair logo]()
$2,610
This British Airways deal was found by Cheapflights users on 5/6. 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.
Tue 6/309:30 pm
BWI
- SIN
1 stop33h 10m
British Airways
Tue 7/2111:20 pm
SIN
- BWI
1 stop32h 20m
British Airways
Deal found 5/6![British Airways logo]()
$2,257
This United Airlines deal was found by Cheapflights users on 5/1. 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 6/1710:23 pm
IAD
- SIN
2 stops32h 12m
United Airlines
Mon 8/108:45 am
SIN
- IAD
2 stops32h 41m
United Airlines
Deal found 5/1![United Airlines logo]()
$2,147
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/276:38 am
BWI
- SIN
1 stop23h 57m
United Airlines
Sun 6/78:35 pm
SIN
- BWI
2 stops27h 12m
United Airlines
Deal found 5/6![United Airlines logo]()
$2,192
This British Airways deal was found by Cheapflights users on 5/6. 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.
Sat 6/208:45 pm
IAD
- SIN
2 stops57h 55m
British Airways
Fri 7/1710:40 pm
SIN
- IAD
1 stop30h 45m
British Airways
Deal found 5/6![British Airways logo]()
$2,567
Last-minute flights from Washington, D.C. to SingaporeDiscover last-minute flight deals from Washington, D.C. to Singapore. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Singapore. Data last updated May 7, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 5/4. 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 5/73:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Thu 5/219:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 5/4![Etihad Airways logo]()
$937
This Gotogate deal was found by Cheapflights users on 5/5. 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.
Thu 5/73:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Fri 5/159:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 5/5![Etihad Airways logo]()
$1,119
This CrystalTravel deal was found by Cheapflights users on 5/4. 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
Fri 5/159:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 5/4![Etihad Airways logo]()
$1,203
This Rumbo deal was found by Cheapflights users on 5/5. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Mon 5/259:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 5/5![Etihad Airways logo]()
$953
This Trip.com deal was found by Cheapflights users on 5/5. 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 5/113:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Tue 5/199:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 5/5![Etihad Airways logo]()
$960
This Gotogate deal was found by Cheapflights users on 5/5. 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.
Tue 5/123:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Tue 5/269:00 pm
SIN
- IAD
1 stop24h 45m
Etihad Airways
Deal found 5/5![Etihad Airways logo]()
$985
This oojo deal was found by Cheapflights users on 5/5. 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 5/1210:11 am
DCA
- SIN
2 stops31h 19m
Cathay Pacific
Mon 5/251:45 am
SIN
- DCA
2 stops33h 14m
Cathay Pacific
Deal found 5/5![Cathay Pacific logo]()
$1,347
This oojo deal was found by Cheapflights users on 5/6. 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 5/279:00 pm
IAD
- SIN
1 stop31h 15m
Qatar Airways
Sat 6/61:30 am
SIN
- IAD
1 stop28h 50m
Qatar Airways
Deal found 5/6![Qatar Airways logo]()
$1,172
This CrystalTravel deal was found by Cheapflights users on 5/4. 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.
Mon 6/19:00 pm
IAD
- SIN
1 stop31h 15m
Qatar Airways
Fri 6/197:40 pm
SIN
- IAD
1 stop25h 05m
Qatar Airways
Deal found 5/4![Qatar Airways logo]()
$1,175
This Justfly.com deal was found by Cheapflights users on 5/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:00 pm
IAD
- SIN
1 stop31h 15m
Qatar Airways
Mon 6/81:30 am
SIN
- IAD
1 stop28h 50m
Qatar Airways
Deal found 5/2![Qatar Airways logo]()
$1,200
This oojo deal was found by Cheapflights users on 5/5. 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 6/29:00 pm
IAD
- SIN
1 stop31h 15m
Qatar Airways
Mon 6/81:30 am
SIN
- IAD
1 stop28h 50m
Qatar Airways
Deal found 5/5![Qatar Airways logo]()
$1,194
This FlightHub deal was found by Cheapflights users on 5/5. 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.
Tue 6/29:00 pm
IAD
- SIN
1 stop31h 15m
Qatar Airways
Tue 6/91:30 am
SIN
- IAD
1 stop28h 50m
Qatar Airways
Deal found 5/5![Qatar Airways logo]()
$1,201
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 May 7, 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 May 7, 2026.
This CrystalTravel deal was found by Cheapflights users on 5/4. 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 5/123:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Deal found 5/4![Etihad Airways logo]()
$545
This CrystalTravel deal was found by Cheapflights users on 5/6. 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.
Mon 5/113:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Deal found 5/6![Etihad Airways logo]()
$550
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/74:05 pm
IAD
- SIN
2 stops53h 00m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$565
This CrystalTravel deal was found by Cheapflights users on 5/5. 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.
Thu 7/163:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Deal found 5/5![Etihad Airways logo]()
$570
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/54:05 pm
IAD
- SIN
2 stops33h 10m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$591
This SmartFares deal was found by Cheapflights users on 5/6. 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.
Tue 10/209:00 pm
IAD
- SIN
1 stop30h 45m
Qatar Airways
Deal found 5/6![Qatar Airways logo]()
$593
This SmartFares deal was found by Cheapflights users on 5/4. 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.
Mon 7/63:10 pm
IAD
- SIN
1 stop30h 30m
Etihad Airways
Deal found 5/4![Etihad Airways logo]()
$599
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 7/269:32 pm
BWI
- SIN
3 stops53h 03m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$639
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 7/214:29 pm
BWI
- SIN
3 stops48h 51m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$682
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Fri 7/171:59 pm
DCA
- SIN
3 stops43h 31m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$693
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 7/158:36 am
BWI
- SIN
3 stops39h 09m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$696
This Expedia deal was found by Cheapflights users on 5/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:21 am
DCA
- SIN
2 stops37h 24m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$697
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 May 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,039 (Gotogate) |
One-way from | $545 (CrystalTravel) |
Popular in | December |
Cheapest in | August |
Average price | $1,293 |
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 May 7, 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
Sat 5/16
9:00 pm-2:40 pm
2 stops29h 40m
Singapore Changi
Fri 5/22
1:30 am-6:20 pm
1 stop28h 50m
$1,399
BaltimoreSingapore
BWI - SIN
BWISIN
Baltimore/Washington
Wed 10/28
10:20 am-1:05 pm
2 stops38h 45m
Singapore Changi
Sun 11/1
2:25 pm-6:21 am
2 stops28h 56m
$1,524
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Thu 6/25
11:05 am-9:15 pm
1 stop22h 10m
Singapore Changi
Thu 7/16
4:35 pm-3:40 pm
2 stops35h 05m
$1,645
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Tue 7/21
3:10 pm-9:40 am
1 stop30h 30m
Singapore Changi
Tue 7/28
5:00 pm-9:45 am
2 stops28h 45m
$1,648
Washington, D.C.Singapore
IAD - SIN
IADSIN
Washington, D.C. Dulles Intl
Sat 6/27
9:00 pm-9:15 pm
1 stop36h 15m
Singapore Changi
Mon 8/17
7:40 pm-8:45 am
1 stop25h 05m
$1,667
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Mon 7/20
7:58 pm-6:30 pm
2 stops34h 32m
Singapore Changi
Tue 8/18
9:35 pm-11:33 pm
2 stops37h 58m
$1,790
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Thu 7/2
7:58 pm-6:30 pm
2 stops34h 32m
Singapore Changi
Thu 7/9
9:35 pm-11:31 pm
2 stops37h 56m
$1,815
Quickest round-trip
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Wed 9/16
6:00 pm-6:15 am
1 stop24h 15m
Singapore Changi
Tue 10/6
8:45 am-9:53 pm
1 stop25h 08m
$1,842
Washington, D.C.Singapore
DCA - SIN
DCASIN
Washington, D.C. Reagan-National
Mon 10/5
4:07 pm-6:15 am
2 stops26h 08m
Singapore Changi
Tue 11/10
10:10 am-9:53 pm
1 stop24h 43m
$1,842
BaltimoreSingapore
BWI - SIN
BWISIN
Baltimore/Washington
Sat 5/16
9:30 pm-6:40 pm
1 stop33h 10m
Singapore Changi
Wed 5/20
11:20 pm-7:40 pm
1 stop32h 20m
$1,927
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
How far ahead should I book a flight from Washington, D.C. to Singapore?
To ensure you get the cheapest price possible for a flight from Washington, D.C. to Singapore, you should look to book at least 48 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 May 7, 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.
Boarding
7.5
Comfort
7.3
Entertainment
7.3
Overall
7.4
Crew
7.9
Food
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Boarding
7.5
Comfort
7.3
Entertainment
7.3
Overall
7.4
Crew
7.9
Food
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Boarding
7.5
Comfort
7.3
Entertainment
7.3
Overall
7.4
Crew
7.9
Food
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Boarding
7.5
Comfort
7.3
Entertainment
7.3
Overall
7.4
Crew
7.9
Food
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Boarding
7.5
Comfort
7.3
Entertainment
7.3
Overall
7.4
Crew
7.9
Food
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Boarding
7.5
Comfort
7.3
Entertainment
7.3
Overall
7.4
Crew
7.9
Food
7.3
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
Complete your trip to Singapore by adding a car rental and/or hotel reservation to your travel itinerary.
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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 May 7, 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 May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$743 | Average$1,328 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$807 | Average$955 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$828 | Average$985 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$917 | Average$1,110 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,041 | Average$1,367 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,124 | Average$1,431 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,245 | Average$2,103 | FlexibilityNo cancel fee | On-time62% |