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Cheap flights from Singapore to Washington, D.C. from S$ 666

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 9-2. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — WAS
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Singapore to Washington, D.C.

Enter your travel dates to find the best prices.

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 28 January 2026.

Mon 2-211:40
SIN
-
IAD
1 stop44h 40m
Turkish Airlines
Mon 16-213:30
IAD
-
SIN
1 stop31h 30m
Turkish Airlines
Deal found 27-1S$ 1,242
Thu 12-317:55
SIN
-
IAD
1 stop37h 35m
Multiple Airlines
Thu 19-315:35
IAD
-
SIN
3 stops34h 35m
Multiple Airlines
Deal found 26-1S$ 1,264
Wed 4-211:40
SIN
-
IAD
1 stop37h 05m
Turkish Airlines
Sun 8-221:15
IAD
-
SIN
1 stop22h 20m
Turkish Airlines
Deal found 26-1S$ 1,266
Thu 12-310:15
SIN
-
IAD
1 stop46h 05m
Turkish Airlines
Thu 19-314:30
IAD
-
SIN
1 stop30h 05m
Turkish Airlines
Deal found 26-1S$ 1,281
Sun 1-310:15
SIN
-
IAD
1 stop46h 05m
Turkish Airlines
Thu 30-413:20
IAD
-
SIN
1 stop32h 10m
Turkish Airlines
Deal found 25-1S$ 1,286
Thu 29-117:55
SIN
-
IAD
1 stop37h 35m
Multiple Airlines
Wed 11-214:35
IAD
-
SIN
1 stop30h 00m
Multiple Airlines
Deal found 26-1S$ 1,320
Thu 12-210:15
SIN
-
IAD
1 stop46h 05m
Turkish Airlines
Thu 19-221:15
IAD
-
SIN
1 stop31h 20m
Turkish Airlines
Deal found 26-1S$ 1,327
Thu 12-315:45
SIN
-
BWI
2 stops38h 01m
Multiple Airlines
Thu 19-319:04
BWI
-
SIN
2 stops29h 01m
Multiple Airlines
Deal found 26-1S$ 1,378
Tue 1-915:20
SIN
-
BWI
2 stops27h 01m
Multiple Airlines
Wed 30-919:10
BWI
-
SIN
2 stops28h 45m
Multiple Airlines
Deal found 26-1S$ 1,391
Thu 12-308:50
SIN
-
DCA
2 stops22h 55m
Air Canada
Thu 19-309:40
DCA
-
SIN
2 stops33h 20m
Air Canada
Deal found 26-1S$ 1,428
Sat 7-315:45
SIN
-
BWI
2 stops38h 01m
Multiple Airlines
Sat 14-318:46
BWI
-
SIN
2 stops31h 44m
Multiple Airlines
Deal found 27-1S$ 1,440
Mon 2-214:25
SIN
-
DCA
2 stops42h 35m
Multiple Airlines
Mon 16-209:59
DCA
-
SIN
2 stops38h 06m
Multiple Airlines
Deal found 27-1S$ 1,448

Find 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 28 January 2026.

Round-trip from

S$ 1,264

One-way from

S$ 666

Popular in

December

Cheapest in

September

Average price

S$ 1,543
12-3-19-3
  • 12-3-19-3
  • 4 total stops
  • 72h 10m total
  • Singapore to Washington, D.C.
Search Deals
9-2
  • 9-2
  • 2 total stops
  • 37h 45m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (S$ 129 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (S$ 50 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 28 January 2026.
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 - IAD

SINIAD

Singapore Changi

Sun 1-3

10:15-19:20

1 stop46h 05m

Washington, D.C. Dulles Intl

Thu 30-4

13:20-09:30

1 stop32h 10m

S$ 1,286

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Sat 7-3

15:45-16:46

2 stops38h 01m

Baltimore/Washington

Sat 14-3

18:46-14:30

2 stops31h 44m

S$ 1,440

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 12-3

10:10-21:45

1 stop23h 35m

Washington, D.C. Reagan-National

Thu 19-3

15:30-07:00

2 stops27h 30m

S$ 1,497

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 12-2

22:20-16:43

1 stop31h 23m

Washington, D.C. Reagan-National

Fri 20-2

12:00-08:00

2 stops31h 00m

S$ 1,497

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Fri 22-5

13:45-20:06

2 stops42h 21m

Washington, D.C. Reagan-National

Sun 7-6

17:00-12:35

2 stops31h 35m

S$ 1,530

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 22-3

23:00-10:05

2 stops47h 05m

Washington, D.C. Dulles Intl

Sun 29-3

21:45-08:45

1 stop23h 00m

S$ 1,540

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sun 22-3

22:20-21:45

1 stop35h 25m

Washington, D.C. Reagan-National

Sun 29-3

15:30-06:45

2 stops27h 15m

S$ 1,547

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Fri 13-2

10:10-11:36

2 stops38h 26m

Washington, D.C. Reagan-National

Fri 20-2

13:00-08:00

2 stops30h 00m

S$ 1,547

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Mon 1-6

13:45-18:10

3 stops40h 25m

Baltimore/Washington

Wed 1-7

18:55-12:35

2 stops29h 40m

S$ 1,548

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 28-2

02:00-11:44

2 stops46h 44m

Washington, D.C. Dulles Intl

Thu 30-4

19:20-12:35

2 stops29h 15m

S$ 1,557

Flights are sorted by cheapest return flights first.

Deals found on 26-1

Showing 1-10 of 52 results
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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, March is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of S$ 985). Flying from Singapore to Washington, D.C. in November is currently the most expensive (average of S$ 2,800). 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 39% 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$ 1,138.

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 59m.

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 13m.

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 28 January 2026.
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.
United Airlines
7.4
Good
9,210 reviews
Check prices

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,210 reviews
United Airlines
7.4
Good
9,210 reviews
Check prices

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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.

  • What airport do you fly from for flights from Singapore to Washington, D.C.?

    Located just 16.9 km from the city centre, Singapore Changi is the airport most travellers will use when flying to Washington, D.C. from Singapore. Booking flights from Changi (SIN) to Washington, D.C. should be relatively easy as there are 0 daily outbound flights to Washington, D.C. from 4 different airlines.

  • How long is the flight from Singapore to Washington, D.C.?

    A quick flight from Singapore to Washington, D.C. can take about 23h 35m. Turkish Airlines provides one of the quickest options available for as low as S$ 1,497. The distance between Singapore and Washington, D.C. is about 15532 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Singapore to Washington, D.C. round-trip?

    According to our current data, Korean Air (S$ 946), United Airlines (S$ 1,118), and Turkish Airlines (S$ 1,236) offers the cheapest pricing from Singapore to Washington, D.C.. Korean Air is 37% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular routes from Singapore to Washington, D.C.?

    While some choose either Singapore Changi - Washington, D.C. Reagan-National or Singapore Changi - Baltimore/Washington, Singapore Changi - Washington, D.C. Dulles Intl is the most popular route from Singapore to Washington, D.C..

  • Can I find deals for flights from Singapore to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Singapore to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Singapore to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Washington, D.C..

  • Can I find deals for business class flights from Singapore to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Singapore to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Singapore to Washington, D.C.?

    Currently, March is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of S$ 985). Flying from Singapore to Washington, D.C. in November is currently the most expensive (average of S$ 2,800). 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.

See more FAQs

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 28 January 2026.
United Airlines flights from Singapore Changi to Washington, D.C.

Top 4 airlines flying from Singapore to Washington, D.C.

Discover the top 4 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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapestS$ 946AverageS$ 2,047FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
United AirlinesCheapestS$ 1,118AverageS$ 1,561FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Turkish AirlinesCheapestS$ 1,236AverageS$ 1,428FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapestS$ 1,754AverageS$ 1,873FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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!

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