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Cheap flights from Washington, D.C. to Singapore from S$ 332

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 23-9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SIN
21 May — 28 May1
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 21 April 2026.

Wed 16-918:16
BWI
-
SIN
1 stop35h 19m
Singapore Airlines
Fri 25-920:45
SIN
-
BWI
1 stop31h 50m
Singapore Airlines
Deal found 18-4S$ 1,443
Sat 2-521:00
IAD
-
SIN
1 stop24h 20m
Qatar Airways
Sat 23-501:30
SIN
-
IAD
1 stop28h 50m
Qatar Airways
Deal found 19-4S$ 1,445
Wed 30-921:00
IAD
-
SIN
1 stop23h 50m
Qatar Airways
Thu 29-1013:40
SIN
-
IAD
2 stops31h 40m
Qatar Airways
Deal found 17-4S$ 1,446
Thu 5-1120:05
IAD
-
SIN
2 stops31h 35m
Multiple Airlines
Thu 12-1120:15
SIN
-
IAD
1 stop32h 40m
Multiple Airlines
Deal found 16-4S$ 1,448
Mon 28-921:00
IAD
-
SIN
2 stops25h 15m
Qatar Airways
Wed 7-1003:15
SIN
-
IAD
1 stop24h 25m
Qatar Airways
Deal found 17-4S$ 1,449
Sat 19-921:00
IAD
-
SIN
1 stop23h 50m
Qatar Airways
Wed 14-1003:15
SIN
-
IAD
1 stop24h 25m
Qatar Airways
Deal found 20-4S$ 1,450
Fri 1-521:00
IAD
-
SIN
1 stop31h 15m
Qatar Airways
Mon 18-521:15
SIN
-
IAD
2 stops33h 05m
Qatar Airways
Deal found 20-4S$ 1,454
Fri 24-421:00
IAD
-
SIN
1 stop31h 15m
Qatar Airways
Fri 1-501:30
SIN
-
IAD
1 stop28h 50m
Qatar Airways
Deal found 20-4S$ 1,455
Sun 7-615:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Sun 21-621:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 20-4S$ 1,459
Fri 23-1011:15
IAD
-
SIN
1 stop22h 00m
Qatar Airways
Sat 31-1020:15
SIN
-
IAD
1 stop32h 40m
Qatar Airways
Deal found 17-4S$ 1,460
Sun 6-921:00
IAD
-
SIN
2 stops27h 55m
Qatar Airways
Sat 12-903:15
SIN
-
IAD
1 stop24h 25m
Qatar Airways
Deal found 17-4S$ 1,464
Tue 19-515:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Sun 24-521:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 20-4S$ 1,465

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 21 April 2026.

Round-trip from

S$ 1,443

One-way from

S$ 332

Popular in

December

Cheapest in

August

Average price

S$ 1,558
Singapore Airlines
  • Singapore Airlines
  • 16-9-25-9
  • 2 total stops
  • 67h 09m total
  • Washington, D.C. to Singapore
Search Deals
23-9
  • 23-9
  • 2 total stops
  • 31h 21m total
  • Washington, D.C. to Singapore
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (S$ 356 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (S$ 118 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 21 April 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

Price

Cheapest return flight

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 11-5

14:54-09:20

2 stops30h 26m

Singapore Changi

Tue 19-5

01:05-23:28

2 stops34h 23m

S$ 1,830

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 7-6

15:10-09:40

1 stop30h 30m

Singapore Changi

Mon 22-6

17:00-09:45

2 stops28h 45m

S$ 1,899

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 6-6

15:10-09:40

1 stop30h 30m

Singapore Changi

Fri 12-6

17:00-09:45

2 stops28h 45m

S$ 1,899

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 5-6

15:10-09:40

1 stop30h 30m

Singapore Changi

Thu 18-6

17:00-09:45

2 stops28h 45m

S$ 1,899

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 5-6

15:10-09:40

1 stop30h 30m

Singapore Changi

Fri 12-6

17:00-09:45

2 stops28h 45m

S$ 1,900

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 24-9

12:57-06:15

2 stops29h 18m

Singapore Changi

Mon 28-9

08:45-21:53

1 stop25h 08m

S$ 2,195

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 14-7

14:53-08:35

2 stops29h 42m

Singapore Changi

Thu 16-7

12:30-08:40

2 stops56h 10m

S$ 2,209

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 7-9

07:00-23:55

2 stops28h 55m

Singapore Changi

Wed 9-9

01:25-14:44

2 stops25h 19m

S$ 2,219

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 21-9

13:15-05:00

1 stop27h 45m

Singapore Changi

Thu 24-9

22:00-14:44

2 stops28h 44m

S$ 2,275

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Mon 11-5

07:00-23:55

2 stops28h 55m

Singapore Changi

Mon 18-5

07:30-00:57

2 stops29h 27m

S$ 2,339

Flights are sorted by cheapest return flights first.

Deals found on 17-4

Showing 1-10 of 60 resultsSorted by cheapest first
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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$ 436). Flying from Washington, D.C. to Singapore in December is currently the most expensive (average of S$ 1,364). 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 21 April 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
9,613 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,613 reviews
United Airlines
7.4
Good
9,613 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 28h 55m. Qatar Airways provides one of the quickest options available for as low as S$ 2,339. 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$ 436). Flying from Washington, D.C. to Singapore in December is currently the most expensive (average of S$ 1,364). 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 21 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapestS$ 1,347AverageS$ 2,197FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
JetBlueCheapestS$ 1,363AverageS$ 2,505FlexibilityNo 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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