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Cheap flights from Washington, D.C. to Singapore from S$ 610

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 26-9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SIN
7 may. — 14 may.1
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 7 abril 2026.

dom. 19-421:00
IAD
-
SIN
1 stop31h 15m
Qatar Airways
dom. 3-501:05
SIN
-
IAD
1 stop53h 05m
Qatar Airways
Deal found 3-4S$ 1,402
lun. 18-515:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
jue. 2-721:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 2-4S$ 1,413
jue. 28-515:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
sáb. 27-621:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 3-4S$ 1,415
vie. 17-421:00
IAD
-
SIN
1 stop31h 15m
Qatar Airways
mié. 22-401:05
SIN
-
IAD
1 stop29h 05m
Qatar Airways
Deal found 6-4S$ 1,419
sáb. 19-915:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
sáb. 26-921:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 6-4S$ 1,420
mié. 9-915:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
sáb. 19-921:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 4-4S$ 1,421
jue. 10-909:30
DCA
-
SIN
1 stop34h 10m
Multiple Airlines
jue. 17-920:45
SIN
-
DCA
1 stop35h 15m
Multiple Airlines
Deal found 4-4S$ 1,428
vie. 18-901:15
IAD
-
SIN
1 stop22h 40m
EVA Air
sáb. 26-913:10
SIN
-
IAD
1 stop20h 50m
EVA Air
Deal found 3-4S$ 1,434
dom. 7-615:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
lun. 22-621:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 6-4S$ 1,435
lun. 13-421:00
IAD
-
SIN
1 stop23h 50m
Qatar Airways
dom. 26-419:40
SIN
-
IAD
1 stop34h 30m
Qatar Airways
Deal found 5-4S$ 1,438
dom. 17-515:10
IAD
-
SIN
1 stop30h 30m
Multiple Airlines
jue. 21-517:55
SIN
-
IAD
1 stop37h 35m
Multiple Airlines
Deal found 2-4S$ 1,439
sáb. 11-421:00
IAD
-
SIN
1 stop23h 50m
Qatar Airways
mié. 6-501:05
SIN
-
IAD
1 stop29h 05m
Qatar Airways
Deal found 3-4S$ 1,448

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 7 abril 2026.

Round-trip from

S$ 1,402

One-way from

S$ 610

Popular in

December

Cheapest in

August

Average price

S$ 1,575
Qatar Airways
  • Qatar Airways
  • 19-4-3-5
  • 2 total stops
  • 84h 20m total
  • Washington, D.C. to Singapore
Search Deals
26-9
  • 26-9
  • 2 total stops
  • 36h 15m total
  • Washington, D.C. to Singapore
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (S$ 372 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (S$ 120 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 7 abril 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

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

dom. 19-4

18:40-22:15

2 stops63h 35m

Singapore Changi

lun. 4-5

21:45-15:40

2 stops29h 55m

S$ 1,518

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mar. 5-5

18:50-22:15

2 stops63h 25m

Singapore Changi

mié. 20-5

09:35-15:40

2 stops42h 05m

S$ 1,518

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

jue. 28-5

15:10-09:40

1 stop30h 30m

Singapore Changi

sáb. 27-6

17:00-09:45

2 stops28h 45m

S$ 1,930

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

dom. 7-6

15:10-09:40

1 stop30h 30m

Singapore Changi

lun. 22-6

17:00-09:45

2 stops28h 45m

S$ 1,951

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

lun. 10-8

18:07-12:35

2 stops30h 28m

Singapore Changi

vie. 14-8

13:45-06:35

2 stops28h 50m

S$ 1,980

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

lun. 10-8

18:59-12:35

2 stops29h 36m

Singapore Changi

vie. 14-8

13:45-20:00

2 stops42h 15m

S$ 1,989
Fastest return journey

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

dom. 23-8

18:00-06:15

1 stop24h 15m

Singapore Changi

jue. 3-9

08:45-21:53

1 stop25h 08m

S$ 2,025

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

mié. 9-9

13:00-06:15

2 stops29h 15m

Singapore Changi

sáb. 19-9

20:35-17:48

3 stops33h 13m

S$ 2,030

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mié. 27-5

21:00-09:20

1 stop24h 20m

Singapore Changi

sáb. 6-6

15:35-18:10

2 stops38h 35m

S$ 2,078

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

mar. 12-5

06:05-18:35

1 stop24h 30m

Singapore Changi

mar. 26-5

20:35-11:47

2 stops27h 12m

S$ 2,089

Flights are sorted by cheapest return flights first.

Deals found on 5-4

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$ 1,076). Flying from Washington, D.C. to Singapore in June is currently the most expensive (average of S$ 1,532). 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 7 abril 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
9,548 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

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
9,548 reviews
United Airlines
7.4
Good
9,548 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

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 24h 15m. SAUDIA provides one of the quickest options available for as low as S$ 2,025. Airlines will cover a distance of 15532 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$ 1,076). Flying from Washington, D.C. to Singapore in June is currently the most expensive (average of S$ 1,532). 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 7 abril 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapestS$ 1,362AverageS$ 2,221FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
JetBlueCheapestS$ 1,378AverageS$ 2,533FlexibilityNo 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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