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Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 699

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 26-10. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
7 Aug — 14 Aug1
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 8 July 2026.

Wed 16-1210:45
SIN
-
IAD
1 stop35h 25m
ANA
Thu 14-108:35
IAD
-
SIN
2 stops27h 20m
ANA
Deal found 7-7S$ 1,192
Mon 5-1006:15
SIN
-
IAD
2 stops26h 56m
ANA
Thu 5-1111:10
IAD
-
SIN
1 stop30h 45m
ANA
Deal found 7-7S$ 1,194
Thu 27-822:00
SIN
-
IAD
2 stops27h 55m
ANA
Mon 7-912:15
IAD
-
SIN
1 stop30h 25m
ANA
Deal found 7-7S$ 1,195
Thu 16-723:25
SIN
-
IAD
1 stop32h 05m
Air China
Fri 14-823:00
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 6-7S$ 1,376
Mon 13-717:55
SIN
-
IAD
1 stop37h 35m
Air China
Tue 11-823:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 6-7S$ 1,377
Wed 15-717:30
SIN
-
IAD
2 stops62h 00m
Air China
Fri 14-823:00
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 6-7S$ 1,404
Thu 16-703:00
SIN
-
IAD
2 stops28h 30m
Air China
Fri 14-823:00
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 6-7S$ 1,474
Mon 13-713:30
SIN
-
IAD
2 stops42h 00m
Air China
Fri 14-823:00
IAD
-
SIN
1 stop34h 55m
Air China
Deal found 6-7S$ 1,475
Mon 17-808:05
SIN
-
IAD
2 stops41h 57m
American Airlines
Mon 24-806:09
IAD
-
SIN
2 stops47h 36m
American Airlines
Deal found 5-7S$ 1,488

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 8 July 2026.

Round-trip from

S$ 1,192

One-way from

S$ 699

Popular in

July

Cheapest in

August

Average price

S$ 3,071
ANA
  • ANA
  • 16-12-14-1
  • 3 total stops
  • 62h 45m total
  • Singapore to Washington, D.C.
Search Deals
Air China
  • Air China
  • 26-10
  • 1 total stop
  • 31h 35m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (S$ 276 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (S$ 155 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 8 July 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

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 26-8

01:55-17:48

2 stops27h 53m

Washington, D.C. Dulles Intl

Mon 7-9

07:00-00:20

2 stops29h 20m

S$ 1,508
Fastest return journey

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 20-11

08:40-20:10

2 stops24h 30m

Washington, D.C. Dulles Intl

Mon 23-11

09:55-06:55

2 stops32h 00m

S$ 1,638

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 1-9

10:25-19:50

1 stop45h 25m

Washington, D.C. Dulles Intl

Wed 30-9

21:45-08:45

1 stop23h 00m

S$ 1,663

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 31-8

02:00-16:44

2 stops50h 44m

Washington, D.C. Dulles Intl

Wed 30-9

18:26-00:35

2 stops42h 09m

S$ 1,744

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 9-10

10:25-19:50

1 stop45h 25m

Washington, D.C. Dulles Intl

Sat 24-10

22:20-09:55

1 stop23h 35m

S$ 1,762

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 20-11

15:45-20:55

1 stop42h 10m

Washington, D.C. Dulles Intl

Mon 23-11

23:55-14:30

1 stop25h 35m

S$ 1,842

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 19-7

10:25-11:35

1 stop37h 10m

Washington, D.C. Dulles Intl

Wed 12-8

13:20-08:45

1 stop31h 25m

S$ 1,849
Cheapest one-way

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 26-8

14:00-05:40

2 stops27h 40m

S$ 992

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 22-12

13:15-05:38

2 stops29h 23m

S$ 1,027

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 29-7

11:10-11:35

1 stop36h 25m

S$ 1,053

Flights are sorted by cheapest return flights first.

Deals found on 6-7

Showing 1-10 of 15 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$ 982). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of S$ 2,465). 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 8 July 2026.
Read through reviews of airlines operating flights from Singapore to Washington, D.C. Dulles Intl Airport, such as Turkish Airlines and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.4
Good
4,440 reviews
Check prices

Food

7.5

Crew

7.8

Boarding

7.3

Comfort

7.3

Entertainment

7.5

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Muhammad,Jan 2026

ORD - DFW

Great, customer service agent at O’hare was able to change the flight due to snow storm. Thank you
Turkish Airlines
7.4
Good
4,440 reviews
Turkish Airlines
7.4
Good
4,440 reviews
Check prices

Food

7.5

Crew

7.8

Boarding

7.3

Comfort

7.3

Entertainment

7.5

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Muhammad,Jan 2026

ORD - DFW

Great, customer service agent at O’hare was able to change the flight due to snow storm. Thank you
Qatar Airways
7.3
Good
3,742 reviews
Turkish Airlines
7.4
Good
4,440 reviews
Check prices

Food

7.5

Crew

7.8

Boarding

7.3

Comfort

7.3

Entertainment

7.5

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Muhammad,Jan 2026

ORD - DFW

Great, customer service agent at O’hare was able to change the flight due to snow storm. Thank you

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$ 1,638, Air Canada can have you in Washington, D.C. Dulles Intl Airport from Singapore in 24h 30m. 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$ 982). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of S$ 2,465). 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 Baltimore flights
Singapore to Dulles Intl 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 8 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapestS$ 1,287AverageS$ 1,505FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapestS$ 1,791AverageS$ 1,867FlexibilityNo 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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