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Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 573

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 11-6. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
13 Jun — 20 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Singapore to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from Singapore to Dulles Intl
Explore the most affordable flight options available from Singapore to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 May 2026.

Mon 2-1123:55
SIN
-
IAD
1 stop31h 35m
Air China
Tue 8-1222:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 12-5S$ 1,331
Thu 29-1023:55
SIN
-
IAD
1 stop31h 35m
Air China
Tue 8-1222:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 12-5S$ 1,360
Fri 26-609:00
SIN
-
IAD
1 stop22h 30m
Air China
Tue 30-623:00
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 9-5S$ 1,425
Mon 6-723:25
SIN
-
IAD
1 stop32h 05m
Multiple Airlines
Sun 19-715:10
IAD
-
SIN
1 stop30h 30m
Multiple Airlines
Deal found 10-5S$ 1,455
Thu 29-1023:55
SIN
-
IAD
1 stop31h 35m
Air China
Fri 11-1222:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 12-5S$ 1,494
Mon 8-623:25
SIN
-
IAD
1 stop32h 05m
Air China
Fri 12-623:00
IAD
-
SIN
1 stop34h 55m
Air China
Deal found 9-5S$ 1,505
Sun 1-1115:45
SIN
-
IAD
2 stops27h 06m
Multiple Airlines
Tue 8-1217:38
IAD
-
SIN
2 stops29h 27m
Multiple Airlines
Deal found 12-5S$ 1,562
Sat 16-515:20
SIN
-
IAD
2 stops28h 14m
EVA Air
Sat 23-509:00
IAD
-
SIN
2 stops40h 55m
EVA Air
Deal found 10-5S$ 1,576
Tue 1-915:20
SIN
-
IAD
2 stops26h 20m
Multiple Airlines
Wed 30-917:54
IAD
-
SIN
2 stops30h 01m
Multiple Airlines
Deal found 11-5S$ 1,583
Mon 6-717:55
SIN
-
IAD
1 stop37h 35m
Air China
Tue 13-1023:00
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 13-5S$ 1,592

Find flight deals from Singapore to Dulles Intl

Keep the following information in mind while searching for Singapore to Dulles Intl flight deals. Data was last updated 14 May 2026.

Round-trip from

S$ 1,331

One-way from

S$ 573

Popular in

April

Cheapest in

August

Average price

S$ 1,665
Air China
  • Air China
  • 2-11-8-12
  • 2 total stops
  • 75h 25m total
  • Singapore to Washington, D.C.
Search Deals
Air China
  • Air China
  • 11-6
  • 1 total stop
  • 37h 35m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (S$ 415 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (S$ 78 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Singapore to Dulles Intl 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 14 May 2026.
Use the filters below to find and compare flights from Singapore to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 8-6

20:35-11:28

2 stops26h 53m

Washington, D.C. Dulles Intl

Tue 7-7

22:21-18:35

1 stop32h 14m

S$ 1,639

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 9-6

08:45-23:19

2 stops26h 34m

Washington, D.C. Dulles Intl

Mon 29-6

20:00-18:35

1 stop34h 35m

S$ 1,730

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 9-6

10:25-11:35

1 stop37h 10m

Washington, D.C. Dulles Intl

Mon 29-6

13:20-09:30

1 stop32h 10m

S$ 1,757

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 3-6

12:30-08:40

2 stops32h 10m

Washington, D.C. Dulles Intl

Sun 21-6

10:55-20:30

2 stops45h 35m

S$ 1,786

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 8-6

12:30-08:40

2 stops32h 10m

Washington, D.C. Dulles Intl

Tue 7-7

10:55-20:30

2 stops45h 35m

S$ 1,786

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 1-9

10:25-11:35

1 stop37h 10m

Washington, D.C. Dulles Intl

Wed 30-9

13:20-17:55

1 stop40h 35m

S$ 1,824

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 30-10

21:30-09:10

2 stops47h 40m

Washington, D.C. Dulles Intl

Sat 5-12

10:30-20:30

2 stops45h 00m

S$ 1,908

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 9-6

20:35-11:28

2 stops26h 53m

Washington, D.C. Dulles Intl

Tue 16-6

08:30-06:15

1 stop33h 45m

S$ 1,926

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 24-5

00:50-08:40

1 stop43h 50m

Washington, D.C. Dulles Intl

Thu 28-5

10:55-14:05

1 stop39h 10m

S$ 1,997

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1-11

15:45-20:55

1 stop42h 10m

Washington, D.C. Dulles Intl

Sat 5-12

23:55-12:05

1 stop23h 10m

S$ 2,045

Flights are sorted by cheapest return flights first.

Deals found on 13-5

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Singapore to Dulles Intl

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

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

Currently, February is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of S$ 967). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of S$ 2,428). 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 Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 14 May 2026.
Read through reviews of airlines operating flights from Singapore to Washington, D.C. Dulles Intl Airport, such as Qatar Airways and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,728 reviews
Check prices

Crew

7.9

Comfort

7.3

Entertainment

7.3

Food

7.3

Boarding

7.5

Overall

7.4

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Qatar Airways
7.4
Good
3,728 reviews
Qatar Airways
7.4
Good
3,728 reviews
Check prices

Crew

7.9

Comfort

7.3

Entertainment

7.3

Food

7.3

Boarding

7.5

Overall

7.4

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Turkish Airlines
7.4
Good
4,366 reviews
Qatar Airways
7.4
Good
3,728 reviews
Check prices

Crew

7.9

Comfort

7.3

Entertainment

7.3

Food

7.3

Boarding

7.5

Overall

7.4

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

Related info for your journey

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

    For as low as S$ 1,639, United Airlines can have you in Washington, D.C. Dulles Intl Airport from Singapore in 26h 53m. The distance between Singapore and Washington, D.C. Dulles Intl Airport is about 15521 km. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of S$ 967). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of S$ 2,428). 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

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Alternative routes for Singapore to Dulles Intl

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

Top 2 airlines flying from Singapore to Dulles Intl

Discover the top 2 airlines that operate flights from Singapore to Dulles Intl. 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 14 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapestS$ 1,268AverageS$ 1,482FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapestS$ 1,763AverageS$ 1,883FlexibilityNo 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 Dulles Intl?

Deals for Singapore to Dulles Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Singapore to Dulles Intl.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Singapore to Dulles Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Singapore to Dulles Intl become cheaper?

Not ready to book yet? You can track prices for flights from Singapore to Dulles Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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