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Dulles Intl

$484+ Cheap flights from Singapore (SIN) to Dulles Intl (IAD)

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Singapore to Dulles Intl

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 January 29, 2026.

This Air China deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:55 pm
SIN
-
IAD
1 stop37h 35m
Air China
Fri 3/610:00 pm
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 1/28$962
This Justfly.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:40 am
SIN
-
IAD
1 stop44h 40m
Turkish Airlines
Tue 3/1710:15 pm
IAD
-
SIN
1 stop22h 20m
Turkish Airlines
Deal found 1/28$979
This Gotogate deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/211:40 am
SIN
-
IAD
1 stop44h 40m
Turkish Airlines
Mon 2/161:30 pm
IAD
-
SIN
1 stop31h 30m
Turkish Airlines
Deal found 1/27$981
This Gotogate deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:50 pm
SIN
-
IAD
2 stops61h 40m
Air China
Tue 3/1711:00 pm
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 1/28$990
This Turkish Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/110:15 am
SIN
-
IAD
1 stop46h 05m
Turkish Airlines
Thu 4/309:45 pm
IAD
-
SIN
1 stop23h 45m
Turkish Airlines
Deal found 1/27$1,012
This Booking.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1210:15 am
SIN
-
IAD
1 stop38h 30m
Turkish Airlines
Thu 3/192:30 pm
IAD
-
SIN
1 stop30h 05m
Turkish Airlines
Deal found 1/26$1,018
This Flightnetwork deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1611:10 am
SIN
-
IAD
1 stop36h 25m
Turkish Airlines
Thu 5/211:20 pm
IAD
-
SIN
1 stop32h 10m
Turkish Airlines
Deal found 1/28$1,027
This Booking.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1210:15 am
SIN
-
IAD
1 stop46h 05m
Turkish Airlines
Thu 2/199:15 pm
IAD
-
SIN
1 stop31h 20m
Turkish Airlines
Deal found 1/26$1,048
This Mytrip deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1211:15 am
SIN
-
IAD
2 stops34h 50m
Multiple Airlines
Thu 3/193:35 pm
IAD
-
SIN
3 stops34h 35m
Multiple Airlines
Deal found 1/26$1,060

Find flight deals from Singapore to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Dulles Intl (IAD). 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$962
(Air China)

One-way from

$484
(Gurufare)

Popular in

November

Cheapest in

January

Average price

$1,055
Provider with most accurate pricing for Singapore Changi-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Singapore Changi-Washington, D.C. Dulles Intl flights.
Search Deals
From Singapore Changi to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Singapore Changi to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($520 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($188 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated January 29, 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

Singapore

Fly to

Dulles Intl

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 3/1

10:15 am-7:20 pm

1 stop46h 05m

Washington, D.C. Dulles Intl

Thu 4/30

9:45 pm-9:30 am

1 stop23h 45m

$1,012

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 3/5

10:15 am-7:20 pm

1 stop46h 05m

Washington, D.C. Dulles Intl

Mon 3/9

10:15 pm-10:00 am

1 stop23h 45m

$1,105

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 2/28

2:00 am-11:44 am

2 stops46h 44m

Washington, D.C. Dulles Intl

Thu 4/30

7:20 pm-12:35 pm

2 stops29h 15m

$1,175

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 3/12

10:10 am-7:31 am

1 stop33h 21m

Washington, D.C. Dulles Intl

Thu 3/19

1:15 pm-7:00 am

2 stops29h 45m

$1,183

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 3/22

11:00 pm-10:05 am

2 stops47h 05m

Washington, D.C. Dulles Intl

Sun 3/29

9:45 pm-8:45 am

1 stop23h 00m

$1,217

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 5/22

10:25 am-11:35 am

1 stop37h 10m

Washington, D.C. Dulles Intl

Fri 6/5

1:20 pm-8:45 am

1 stop31h 25m

$1,226

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 2/13

10:10 am-11:21 pm

2 stops26h 11m

Washington, D.C. Dulles Intl

Thu 2/19

6:20 am-8:00 am

1 stop36h 40m

$1,240

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 5/16

8:35 pm-11:13 am

2 stops26h 38m

Washington, D.C. Dulles Intl

Thu 5/21

8:25 am-6:15 am

1 stop33h 50m

$1,302

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 3/26

5:55 pm-7:30 pm

1 stop37h 35m

$484

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 3/10

11:00 pm-10:05 am

2 stops47h 05m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 17 results
1
2

Compare providers for flights from Singapore to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Singapore to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Singapore-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Singapore-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Singapore-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Singapore-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Singapore-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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, March is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of $778). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $2,212). 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.

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.

  • What airport do you fly from for flights from Singapore to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Singapore, you will be flying from Changi, which is the city’s only airport. Singapore Changi (SIN) is located 10.5 mi from the center of Singapore. There are 0 flights from Changi to Washington, D.C. Dulles Intl per day from 0 different airlines.

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

    Departing from Singapore to Washington, D.C. Dulles Intl Airport will take you 46h 05m. Airlines will cover a distance of 9644 mi.

  • What are the cheapest airlines to fly from Singapore to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airlines for a one-way flight from Singapore to Washington, D.C. Dulles Intl Airport are SAUDIA ($401), Air China ($436), and SWISS ($842).

  • 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 vacation 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, March is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of $778). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $2,212). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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