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Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 574

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 19-6. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
19 Jun — 26 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 20 May 2026.

Tue 9-620:35
SIN
-
IAD
2 stops34h 27m
United Airlines
Thu 9-712:15
IAD
-
SIN
1 stop30h 25m
United Airlines
Deal found 19-5S$ 1,284
Mon 22-617:55
SIN
-
IAD
1 stop37h 35m
Air China
Fri 26-623:00
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 15-5S$ 1,508
Mon 1-618:10
SIN
-
IAD
2 stops37h 20m
Air China
Tue 2-623:00
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 16-5S$ 1,577
Tue 1-915:20
SIN
-
IAD
2 stops26h 20m
Multiple Airlines
Wed 30-917:54
IAD
-
SIN
2 stops30h 01m
Multiple Airlines
Deal found 16-5S$ 1,581
Wed 3-612:30
SIN
-
IAD
2 stops32h 10m
Emirates
Sun 21-610:55
IAD
-
SIN
2 stops45h 35m
Emirates
Deal found 17-5S$ 1,582
Thu 4-617:55
SIN
-
IAD
1 stop37h 35m
Multiple Airlines
Wed 8-715:10
IAD
-
SIN
1 stop30h 30m
Multiple Airlines
Deal found 16-5S$ 1,596
Sun 7-621:30
SIN
-
IAD
2 stops47h 10m
Emirates
Fri 12-610:55
IAD
-
SIN
2 stops36h 35m
Emirates
Deal found 17-5S$ 1,611
Mon 8-617:55
SIN
-
IAD
1 stop37h 35m
Multiple Airlines
Thu 9-711:05
IAD
-
SIN
1 stop22h 10m
Multiple Airlines
Deal found 19-5S$ 1,636
Tue 9-608:45
SIN
-
IAD
2 stops34h 37m
United Airlines
Wed 8-722:21
IAD
-
SIN
1 stop32h 14m
United Airlines
Deal found 19-5S$ 1,637
Tue 2-601:55
SIN
-
IAD
2 stops32h 52m
American Airlines
Sun 21-606:26
IAD
-
SIN
2 stops35h 44m
American Airlines
Deal found 16-5S$ 1,650
Wed 8-714:00
SIN
-
IAD
2 stops28h 39m
STARLUX Airlines
Wed 14-1017:33
IAD
-
SIN
2 stops31h 07m
STARLUX Airlines
Deal found 16-5S$ 1,654

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 20 May 2026.

Round-trip from

S$ 1,284

One-way from

S$ 574

Popular in

November

Cheapest in

February

Average price

S$ 1,786
United Airlines
  • United Airlines
  • 9-6-9-7
  • 3 total stops
  • 64h 52m total
  • Singapore to Washington, D.C.
Search Deals
Air China
  • Air China
  • 19-6
  • 1 total stop
  • 22h 30m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (S$ 892 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease (S$ 317 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 20 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

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 1-9

13:45-05:40

2 stops27h 55m

Washington, D.C. Dulles Intl

Wed 30-9

19:59-12:35

2 stops28h 36m

S$ 1,655

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 14-6

20:35-11:12

2 stops26h 37m

Washington, D.C. Dulles Intl

Mon 29-6

20:00-18:35

1 stop34h 35m

S$ 1,733

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 4-6

12:30-08:40

2 stops32h 10m

Washington, D.C. Dulles Intl

Wed 8-7

10:55-11:30

2 stops36h 35m

S$ 1,788

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 9-6

21:30-08:40

2 stops47h 10m

Washington, D.C. Dulles Intl

Tue 16-6

10:55-20:30

2 stops45h 35m

S$ 1,792

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 6-7

12:30-08:40

2 stops32h 10m

Washington, D.C. Dulles Intl

Wed 14-10

10:55-11:30

2 stops36h 35m

S$ 1,814

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 4-7

21:30-08:40

2 stops47h 10m

Washington, D.C. Dulles Intl

Wed 14-10

10:55-11:30

2 stops36h 35m

S$ 1,814

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 4-6

01:30-18:20

1 stop28h 50m

Washington, D.C. Dulles Intl

Thu 16-7

11:05-21:15

1 stop22h 10m

S$ 1,822

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

13:20-08:45

1 stop31h 25m

S$ 1,843

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 12-6

12:30-08:40

2 stops32h 10m

Washington, D.C. Dulles Intl

Fri 19-6

10:55-11:30

2 stops60h 35m

S$ 1,873
Fastest return journey

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 4-6

08:45-23:19

2 stops26h 34m

Washington, D.C. Dulles Intl

Wed 8-7

06:30-18:35

1 stop24h 05m

S$ 1,880

Flights are sorted by cheapest return flights first.

Deals found on 19-5

Showing 1-10 of 16 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$ 1,184). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of S$ 4,542). 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.

How much does it cost for a return flight from Singapore to Washington, D.C. Dulles Intl Airport?

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 20 May 2026.
Get a feel of what it's like to fly with Qatar Airways and Turkish Airlines from Singapore to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,729 reviews
Check prices

Crew

7.9

Comfort

7.3

Food

7.3

Entertainment

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
3,729 reviews
Qatar Airways
7.4
Good
3,729 reviews
Check prices

Crew

7.9

Comfort

7.3

Food

7.3

Entertainment

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
4,379 reviews
Qatar Airways
7.4
Good
3,729 reviews
Check prices

Crew

7.9

Comfort

7.3

Food

7.3

Entertainment

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.

  • What airport do you fly from for flights from Singapore to 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 Washington, D.C. Dulles Intl from Singapore. Booking flights from Changi (SIN) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 2 different airlines.

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

    For as low as S$ 1,733, United Airlines can have you in Washington, D.C. Dulles Intl Airport from Singapore in 26h 37m. 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.

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

    Our cheapest airline available from Singapore to Washington, D.C. Dulles Intl Airport is Turkish Airlines. Our recent data shows that you can find tickets from as low as S$ 1,276 on this airline. An additional option worth looking into is Qatar Airways, starting at S$ 1,775. Users have found that Turkish Airlines is 30% cheaper than the other options available to this destination.

  • 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$ 1,184). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of S$ 4,542). 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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Fly from Singapore to Dulles Intl on these airlines

Choose from the following airlines for your flight from Singapore to Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on 20 May 2026.
Qatar Airways flights from Singapore Changi to Washington, D.C. Dulles Intl

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 20 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapestS$ 1,276AverageS$ 1,493FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapestS$ 1,775AverageS$ 1,895FlexibilityNo 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?

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

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

Yes! Cheapflights helps users easily find flights from Singapore to Dulles Intl with no change fees.

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

Yes! Start tracking prices for Singapore to Dulles Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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