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Cheap flights from Washington, D.C. to Singapore from S$ 526

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 27-4. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SIN
22 Mar — 29 Mar1
1 adult
1 adult, Economy, 0 bags

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

Enter your travel dates to find the best prices.

Cheapest flights from Washington, D.C. to Singapore
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 20 February 2026.

Mon 9-322:15
IAD
-
SIN
1 stop22h 30m
Turkish Airlines
Mon 30-311:10
SIN
-
IAD
1 stop36h 25m
Turkish Airlines
Deal found 17-2S$ 1,259
Sun 1-321:15
IAD
-
SIN
1 stop22h 20m
Turkish Airlines
Tue 24-310:15
SIN
-
IAD
1 stop38h 30m
Turkish Airlines
Deal found 17-2S$ 1,260
Tue 14-406:10
IAD
-
SIN
2 stops35h 20m
Multiple Airlines
Tue 28-412:45
SIN
-
IAD
2 stops28h 55m
Multiple Airlines
Deal found 20-2S$ 1,266
Sun 22-314:30
IAD
-
SIN
1 stop30h 05m
Turkish Airlines
Thu 26-305:15
SIN
-
IAD
1 stop27h 05m
Turkish Airlines
Deal found 19-2S$ 1,267
Sun 15-1113:30
IAD
-
SIN
1 stop30h 15m
Turkish Airlines
Tue 1-1205:25
SIN
-
IAD
1 stop43h 20m
Turkish Airlines
Deal found 17-2S$ 1,268
Sun 12-415:10
IAD
-
SIN
1 stop30h 30m
Multiple Airlines
Tue 5-521:00
SIN
-
IAD
2 stops29h 47m
Multiple Airlines
Deal found 17-2S$ 1,269
Fri 20-322:15
IAD
-
SIN
1 stop22h 20m
Turkish Airlines
Sun 29-310:25
SIN
-
IAD
1 stop37h 10m
Turkish Airlines
Deal found 17-2S$ 1,271
Thu 27-809:59
DCA
-
SIN
1 stop33h 51m
Singapore Airlines
Mon 28-909:15
SIN
-
DCA
1 stop44h 44m
Singapore Airlines
Deal found 20-2S$ 1,276
Sun 23-806:10
IAD
-
SIN
2 stops41h 35m
Multiple Airlines
Thu 3-913:25
SIN
-
IAD
2 stops27h 35m
Multiple Airlines
Deal found 20-2S$ 1,278
Mon 6-415:10
IAD
-
SIN
2 stops28h 35m
Multiple Airlines
Mon 13-423:25
SIN
-
IAD
1 stop32h 05m
Multiple Airlines
Deal found 20-2S$ 1,281
Sun 8-315:35
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Thu 2-421:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 17-2S$ 1,283
Sun 29-315:10
IAD
-
SIN
1 stop30h 30m
Multiple Airlines
Sun 19-421:00
SIN
-
IAD
2 stops29h 51m
Multiple Airlines
Deal found 18-2S$ 1,286

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 20 February 2026.

Round-trip from

S$ 1,259

One-way from

S$ 526

Popular in

December

Cheapest in

August

Average price

S$ 1,564
Turkish Airlines
  • Turkish Airlines
  • 9-3-30-3
  • 2 total stops
  • 58h 55m total
  • Washington, D.C. to Singapore
Search Deals
27-4
  • 27-4
  • 1 total stop
  • 46h 30m total
  • Washington, D.C. to Singapore
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (S$ 362 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (S$ 112 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 200,618 searches. Data last updated 20 February 2026.
Use the filters below to find and compare flights from Washington, D.C. to Singapore that are best for you.

Fly from

Washington, D.C.

Fly to

Singapore

Route

Depart

Return

Price

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 12-4

15:10-09:40

1 stop30h 30m

Singapore Changi

Sun 19-4

21:00-14:51

2 stops29h 51m

S$ 1,286

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 29-3

15:10-09:40

1 stop30h 30m

Singapore Changi

Sun 19-4

21:00-14:51

2 stops29h 51m

S$ 1,286

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 25-4

15:10-09:40

1 stop30h 30m

Singapore Changi

Tue 12-5

21:00-14:47

2 stops29h 47m

S$ 1,320

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 21-4

06:10-00:45

2 stops30h 35m

Singapore Changi

Sat 25-4

01:45-05:40

2 stops39h 55m

S$ 1,329

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 18-4

15:10-09:40

1 stop30h 30m

Singapore Changi

Sun 26-4

21:00-14:51

2 stops29h 51m

S$ 1,337

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 20-4

06:10-05:30

2 stops35h 20m

Singapore Changi

Wed 29-4

20:05-05:40

2 stops45h 35m

S$ 1,361

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 13-4

15:10-09:40

1 stop30h 30m

Singapore Changi

Thu 23-4

21:00-14:51

2 stops29h 51m

S$ 1,386

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 22-3

21:05-18:35

2 stops33h 30m

Singapore Changi

Thu 26-3

20:15-16:55

1 stop32h 40m

S$ 1,485

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 14-4

15:05-06:45

2 stops27h 40m

Singapore Changi

Tue 28-4

09:00-22:28

1 stop25h 28m

S$ 1,493

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 18-3

07:00-20:15

1 stop25h 15m

Singapore Changi

Wed 25-3

10:10-21:45

1 stop23h 35m

S$ 1,493

Flights are sorted by cheapest return flights first.

Deals found on 17-2

Showing 1-10 of 60 results
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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.
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 Washington, D.C. to Singapore

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 S$ 1,056). Flying from Washington, D.C. to Singapore in June is currently the most expensive (average of S$ 1,446). 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 20 February 2026.
See what other customers who have flown with United Airlines from Washington, D.C. to Singapore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,335 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,335 reviews
United Airlines
7.4
Good
9,335 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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.

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

    A quick flight from Washington, D.C. to Singapore can take about 25h 22m. United Airlines provides one of the quickest options available for as low as S$ 1,550. Airlines will cover a distance of 15496 km. This flight may include one or multiple stops.

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

    Most travellers choose Washington, D.C. Dulles Intl - Singapore Changi, Washington, D.C. Reagan-National - Singapore Changi or Baltimore/Washington - Singapore Changi when deciding on the best route from Washington, D.C. to Singapore.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to Singapore 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 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 S$ 1,056). Flying from Washington, D.C. to Singapore in June is currently the most expensive (average of S$ 1,446). 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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Alternative routes for Washington, D.C. to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Singapore flights

Top 2 airlines flying from Washington, D.C. to Singapore

Discover the top 2 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 200,618 searches. Data last updated 20 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapestS$ 1,344AverageS$ 2,192FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
JetBlueCheapestS$ 1,360AverageS$ 2,499FlexibilityNo cancel feeOn-time62%
Search JetBlue 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 Washington, D.C. to Singapore?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington, D.C. to Singapore. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Singapore?

Cheapflights simply makes it quick and affordable to book flights from Washington, D.C. to Singapore 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 Washington, D.C. to Singapore with no change fees?

Yes, we can. To see specific flights from Washington, D.C. to Singapore with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Singapore become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Singapore from Washington, D.C. today and book when prices fit your budget.

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