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Cheap flights from Singapore to Washington, D.C. from S$ 630
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 23-11. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — WAS
28 Nov — 5 Dec1
Cheap flight deals from Singapore to Washington, D.C.
Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 October 2025.
Find flight deals from Singapore to Washington, D.C.
Cheapest flights from Singapore to Washington, D.C.Explore the most affordable flight options available from Singapore to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.
Explore the most affordable flight options available from Singapore to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.
Mon 10-1123:55SIN - DCA
3 stops35h 40mMultiple Airlines
Mon 24-1106:59DCA - SIN
3 stops34h 26mMultiple Airlines
Deal found 28-10S$ 1,174
Mon 24-1117:15SIN - IAD
1 stop38h 15mMultiple Airlines
Mon 1-1221:15IAD - SIN
2 stops48h 00mMultiple Airlines
Deal found 27-10S$ 1,196
Sun 9-1119:25SIN - IAD
1 stop33h 05mEtihad Airways
Sun 23-1121:10IAD - SIN
1 stop23h 25mEtihad Airways
Deal found 28-10S$ 1,201
Mon 10-1123:55SIN - IAD
1 stop31h 35mMultiple Airlines
Mon 24-1121:15IAD - SIN
2 stops31h 05mMultiple Airlines
Deal found 28-10S$ 1,207
Mon 10-1119:25SIN - IAD
1 stop33h 05mEtihad Airways
Mon 24-1121:10IAD - SIN
1 stop23h 25mEtihad Airways
Deal found 28-10S$ 1,223
Mon 24-1111:15SIN - IAD
2 stops45h 05mIndiGo
Mon 1-1221:15IAD - SIN
2 stops48h 00mIndiGo
Deal found 27-10S$ 1,244
Sun 9-1108:50SIN - IAD
2 stops39h 33mAir Canada
Sun 23-1109:45IAD - SIN
2 stops32h 15mAir Canada
Deal found 28-10S$ 1,273
Sun 9-1108:50SIN - DCA
2 stops38h 36mAir Canada
Sun 23-1106:00DCA - SIN
2 stops36h 00mAir Canada
Deal found 28-10S$ 1,273
Tue 25-1110:40SIN - IAD
2 stops26h 36mDelta
Tue 2-1207:15IAD - SIN
2 stops32h 45mDelta
Deal found 28-10S$ 1,274
Tue 25-1110:40SIN - DCA
2 stops25h 51mDelta
Tue 2-1206:59DCA - SIN
2 stops33h 01mDelta
Deal found 28-10S$ 1,274
Mon 24-1119:25SIN - IAD
1 stop33h 05mEtihad Airways
Mon 1-1221:10IAD - SIN
1 stop23h 25mEtihad Airways
Deal found 27-10S$ 1,276
Sun 9-1114:25SIN - BWI
2 stops40h 51mMultiple Airlines
Sun 23-1119:08BWI - SIN
2 stops28h 57mMultiple Airlines
Deal found 28-10S$ 1,333
Cheapflights Fare Finder
Customise your flight search to find flights from Singapore to Washington, D.C. 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 200,618 searches. Data last updated 29 October 2025.
Use the filters below to find and compare flights from Singapore to Washington, D.C. that are best for you.
Fly from
Singapore
Fly to
Washington, D.C.
Route
Depart
Return
Price
SingaporeWashington, D.C.
SIN - DCA
SINDCA
Singapore Changi
Mon 10-11
23:55-22:35
3 stops35h 40m
Washington, D.C. Reagan-National
Mon 24-11
06:59-06:25
3 stops34h 26m
S$ 1,174
SingaporeWashington, D.C.
SIN - IAD
SINIAD
Singapore Changi
Sun 9-11
19:25-15:30
1 stop33h 05m
Washington, D.C. Dulles Intl
Sun 23-11
21:10-09:35
1 stop23h 25m
S$ 1,201
SingaporeWashington, D.C.
SIN - IAD
SINIAD
Singapore Changi
Mon 10-11
23:55-18:30
1 stop31h 35m
Washington, D.C. Dulles Intl
Mon 24-11
21:15-17:20
2 stops31h 05m
S$ 1,207
SingaporeWashington, D.C.
SIN - IAD
SINIAD
Singapore Changi
Wed 11-3
22:30-10:50
1 stop24h 20m
Washington, D.C. Dulles Intl
Sun 15-3
12:50-05:00
1 stop28h 10m
S$ 1,270
SingaporeWashington, D.C.
SIN - DCA
SINDCA
Singapore Changi
Sun 9-11
08:50-10:26
2 stops38h 36m
Washington, D.C. Reagan-National
Sun 23-11
06:00-07:00
2 stops36h 00m
S$ 1,273
SingaporeWashington, D.C.
SIN - IAD
SINIAD
Singapore Changi
Tue 25-11
10:40-00:16
2 stops26h 36m
Washington, D.C. Dulles Intl
Tue 2-12
07:15-05:00
2 stops32h 45m
S$ 1,274
SingaporeWashington, D.C.
SIN - DCA
SINDCA
Singapore Changi
Tue 25-11
10:40-23:31
2 stops25h 51m
Washington, D.C. Reagan-National
Tue 2-12
06:59-05:00
2 stops33h 01m
S$ 1,274
SingaporeWashington, D.C.
SIN - DCA
SINDCA
Singapore Changi
Thu 12-3
08:50-10:26
2 stops37h 36m
Washington, D.C. Reagan-National
Mon 16-3
20:40-07:00
2 stops46h 20m
S$ 1,278
SingaporeWashington, D.C.
SIN - IAD
SINIAD
Singapore Changi
Mon 1-12
11:40-11:45
1 stop37h 05m
Washington, D.C. Dulles Intl
Fri 5-12
13:30-08:45
1 stop30h 15m
S$ 1,349
SingaporeWashington, D.C.
SIN - IAD
SINIAD
Singapore Changi
Tue 25-11
11:15-19:20
2 stops45h 05m
Washington, D.C. Dulles Intl
Tue 2-12
21:10-09:35
1 stop23h 25m
S$ 1,399
Showing 1-10 of 44 results
Best time to book a flight from Singapore to Washington, D.C.
Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Singapore with our price prediction graph.
Estimated return 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 Singapore to Washington, D.C.
What is the cheapest month to book a flight from Singapore to Washington, D.C.?
Currently, May is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of S$ 1,060). Flying from Singapore to Washington, D.C. in July is currently the most expensive (average of S$ 1,640). 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.
What’s the top stopover airport for flights from Singapore to Washington, D.C.?
Share of one-stop return flights from Singapore to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Istanbul (IST) – chosen by Cheapflights users on 29% of one-stop itineraries from Singapore to Washington, D.C. on Cheapflights.
What’s the cheapest stopover airport for flights from Singapore to Washington, D.C.?
Average return fare for one-stop flights from Singapore to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Jeddah (JED) is the most affordable one-stop option, with an average return flight price of S$ 1,089.
What’s the fastest stopover option from Singapore to Washington, D.C.?
Shortest average travel time for one-stop one-way flights from Singapore to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) have the shortest average one-way travel time for one-stop routes: 21h 51m.
Which airport typically offers the quickest stopover for flights from Singapore to Washington, D.C.?
Average stopover duration for one-stop one-way flights from Singapore to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 1h 16m.
Reviews of airlines servicing Washington, D.C.
Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated 29 October 2025.
Read reviews from past customers who have flown with United Airlines from Singapore to Washington, D.C.. 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
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Overall
7.4
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Related info for your journey
Find useful and relevant information for your journey from Singapore to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Fly from Singapore to Washington, D.C. on these airlines
Choose from the following airlines for your flight from Singapore to Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on 29 October 2025.
Top 6 airlines flying from Singapore to Washington, D.C.
Discover the top 6 airlines that operate flights from Singapore to Washington, D.C.. 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 200,618 searches. Data last updated 29 October 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Singapore to Washington, D.C.?
Cheapflights helps you search for flights from Singapore to Washington, D.C. via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Singapore to Washington, D.C.?
Cheapflights simply makes it quick and affordable to book flights from Singapore to Washington, D.C. by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Singapore to Washington, D.C. with no change fees?
Certainly. Search results for flights to Washington, D.C. from Singapore shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Singapore to Washington, D.C. become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!