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Cheap flights from Washington, D.C. Dulles Intl Airport to Singapore from S$ 558

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 31-3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SIN
19 Mar — 26 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dulles Intl to Singapore

Enter your travel dates to find the best prices.

Cheapest flights from Dulles Intl to Singapore
Explore the most affordable flight options available from Dulles Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 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$ 1,253
Mon 16-221:15
IAD
-
SIN
1 stop23h 45m
Turkish Airlines
Mon 23-211:40
SIN
-
IAD
1 stop37h 05m
Turkish Airlines
Deal found 15-2S$ 1,254
Sun 12-409:55
IAD
-
SIN
2 stops31h 20m
Air Canada
Tue 5-507:00
SIN
-
IAD
2 stops25h 29m
Air Canada
Deal found 14-2S$ 1,257
Tue 7-417:59
IAD
-
SIN
2 stops33h 06m
Multiple Airlines
Tue 14-407:20
SIN
-
IAD
2 stops34h 20m
Multiple Airlines
Deal found 14-2S$ 1,260
Sun 11-1013:20
IAD
-
SIN
1 stop31h 25m
Turkish Airlines
Tue 27-1010:25
SIN
-
IAD
1 stop38h 20m
Turkish Airlines
Deal found 17-2S$ 1,261
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$ 1,262
Sun 12-415:10
IAD
-
SIN
1 stop30h 30m
Multiple Airlines
Tue 5-521:00
SIN
-
IAD
2 stops29h 47m
Multiple Airlines
Deal found 15-2S$ 1,263
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$ 1,265
Sun 23-806:10
IAD
-
SIN
2 stops41h 35m
Multiple Airlines
Thu 3-909:45
SIN
-
IAD
2 stops31h 15m
Multiple Airlines
Deal found 17-2S$ 1,272
Sat 21-218:10
IAD
-
SIN
1 stop32h 20m
SAUDIA
Fri 27-202:30
SIN
-
IAD
1 stop25h 15m
SAUDIA
Deal found 16-2S$ 1,273
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$ 1,277
Wed 1-413:20
IAD
-
SIN
1 stop31h 25m
Turkish Airlines
Thu 9-405:25
SIN
-
IAD
1 stop26h 25m
Turkish Airlines
Deal found 14-2S$ 1,280

Find flight deals from Dulles Intl to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Singapore (SIN). 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 17 February 2026.

Round-trip from

S$ 1,253

One-way from

S$ 558

Popular in

December

Cheapest in

October

Average price

S$ 1,514
Turkish Airlines
  • Turkish Airlines
  • 9-3-30-3
  • 2 total stops
  • 58h 55m total
  • Washington, D.C. to Singapore
Search Deals
31-3
  • 31-3
  • 2 total stops
  • 27h 40m total
  • Washington, D.C. to Singapore
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (S$ 279 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (S$ 92 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 Dulles Intl 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 17 February 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Singapore that are best for you.

Fly from

Dulles Intl

Fly to

Singapore

Route

Depart

Return

Price

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 7-4

17:59-15:05

2 stops33h 06m

Singapore Changi

Tue 14-4

07:20-05:40

2 stops34h 20m

S$ 1,260

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 22-3

14:30-17:35

1 stop39h 05m

Singapore Changi

Thu 26-3

10:15-20:20

1 stop46h 05m

S$ 1,261

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 12-4

15:10-09:40

1 stop30h 30m

Singapore Changi

Tue 5-5

21:00-14:47

2 stops29h 47m

S$ 1,263

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 11-4

15:10-09:40

1 stop30h 30m

Singapore Changi

Tue 21-4

21:00-14:47

2 stops29h 47m

S$ 1,314

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$ 1,314

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 22-4

17:59-12:25

2 stops30h 26m

Singapore Changi

Wed 29-4

20:05-05:40

2 stops45h 35m

S$ 1,354

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 16-3

15:35-09:35

1 stop30h 00m

Singapore Changi

Tue 31-3

21:00-13:32

2 stops28h 32m

S$ 1,379

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 14-4

15:10-06:50

2 stops27h 40m

Singapore Changi

Fri 17-4

21:20-09:45

2 stops48h 25m

S$ 1,382

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 31-3

17:37-19:05

2 stops37h 28m

Singapore Changi

Fri 15-5

20:05-05:40

2 stops45h 35m

S$ 1,417

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 31-3

15:10-06:50

2 stops27h 40m

S$ 558

Flights are sorted by cheapest return flights first.

Deals found on 13-2

Showing 1-10 of 18 results
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Best time to book a flight from Dulles Intl to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Dulles Intl 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. Dulles Intl Airport to Singapore

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Singapore?

Use this chart to determine the optimal time to book a return flight from Dulles Intl to Singapore. Price data was last updated on 13 February 2026.

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of S$ 1,051). Flying from Washington, D.C. Dulles Intl Airport to Singapore in June is currently the most expensive (average of S$ 1,439). 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 17 February 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Singapore, such as Qatar Airways and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,739 reviews
Check prices

Boarding

7.5

Comfort

7.4

Crew

7.9

Entertainment

7.4

Food

7.3

Overall

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,739 reviews
Qatar Airways
7.4
Good
3,739 reviews
Check prices

Boarding

7.5

Comfort

7.4

Crew

7.9

Entertainment

7.4

Food

7.3

Overall

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
JetBlue
7.2
Good
2,897 reviews
Qatar Airways
7.4
Good
3,739 reviews
Check prices

Boarding

7.5

Comfort

7.4

Crew

7.9

Entertainment

7.4

Food

7.3

Overall

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Singapore. 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 into for flights to Singapore from Washington, D.C. Dulles Intl?

    Located just 16.9 km from the city centre, Singapore Changi is the airport most travellers will use when flying to Singapore from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Changi (SIN) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 2 different airlines.

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

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Singapore in 39h 05m. Fly via Turkish Airlines to get the fastest option. There are 15521 km between Washington, D.C. Dulles Intl Airport and Singapore.

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

    Qatar Airways, at S$ 1,338, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Singapore. An alternate airline flying to your destination would be JetBlue. Qatar Airways is priced at 16% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Dulles Intl to Singapore that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Singapore?

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

  • Can I find deals for business class flights from Dulles Intl to Singapore?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Singapore?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of S$ 1,051). Flying from Washington, D.C. Dulles Intl Airport to Singapore in June is currently the most expensive (average of S$ 1,439). 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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Top 2 airlines flying from Dulles Intl to Singapore

Discover the top 2 airlines that operate flights from Dulles Intl 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 17 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapestS$ 1,338AverageS$ 2,181FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
JetBlueCheapestS$ 1,354AverageS$ 2,488FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Dulles Intl to Singapore?

Cheapflights makes it easy to find Dulles Intl to Singapore flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Singapore?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Dulles Intl to Singapore for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Dulles Intl to Singapore with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dulles Intl to Singapore flexibly with Cheapflights today.

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