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Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 579

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 9-4. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
21 Mar — 28 Mar1
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 19 February 2026.

Wed 22-411:00
SIN
-
IAD
2 stops58h 45m
Multiple Airlines
Wed 29-415:10
IAD
-
SIN
2 stops48h 30m
Multiple Airlines
Deal found 17-2S$ 1,258
Mon 16-311:40
SIN
-
IAD
1 stop37h 05m
Turkish Airlines
Mon 23-314:30
IAD
-
SIN
1 stop31h 30m
Turkish Airlines
Deal found 16-2S$ 1,264
Wed 25-318:40
SIN
-
IAD
2 stops60h 50m
Air China
Tue 7-423:00
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 18-2S$ 1,273
Wed 25-311:40
SIN
-
IAD
1 stop37h 05m
Turkish Airlines
Wed 8-421:45
IAD
-
SIN
1 stop23h 00m
Turkish Airlines
Deal found 19-2S$ 1,277
Sun 8-310:15
SIN
-
IAD
1 stop46h 05m
Turkish Airlines
Mon 23-322:15
IAD
-
SIN
1 stop23h 45m
Turkish Airlines
Deal found 18-2S$ 1,278
Thu 26-313:45
SIN
-
IAD
2 stops41h 45m
Air China
Fri 10-423:00
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 19-2S$ 1,301
Fri 27-311:40
SIN
-
IAD
1 stop37h 05m
Turkish Airlines
Fri 10-413:20
IAD
-
SIN
1 stop31h 25m
Turkish Airlines
Deal found 19-2S$ 1,310
Thu 5-310:15
SIN
-
IAD
1 stop46h 05m
Turkish Airlines
Sun 8-314:30
IAD
-
SIN
1 stop30h 05m
Turkish Airlines
Deal found 18-2S$ 1,326
Tue 13-1005:25
SIN
-
IAD
1 stop42h 10m
Turkish Airlines
Mon 26-1014:30
IAD
-
SIN
1 stop39h 05m
Turkish Airlines
Deal found 18-2S$ 1,332
Wed 16-923:05
SIN
-
IAD
1 stop24h 30m
Turkish Airlines
Wed 23-913:20
IAD
-
SIN
1 stop31h 25m
Turkish Airlines
Deal found 15-2S$ 1,334
Wed 22-411:10
SIN
-
IAD
1 stop44h 40m
Turkish Airlines
Wed 29-421:45
IAD
-
SIN
1 stop32h 10m
Turkish Airlines
Deal found 17-2S$ 1,345

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 19 February 2026.

Round-trip from

S$ 1,258

One-way from

S$ 579

Popular in

November

Cheapest in

February

Average price

S$ 1,171
22-4-29-4
  • 22-4-29-4
  • 4 total stops
  • 107h 15m total
  • Singapore to Washington, D.C.
Search Deals
Air China
  • Air China
  • 9-4
  • 1 total stop
  • 37h 35m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (S$ 889 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease (S$ 308 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 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 19 February 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 8-3

10:15-19:20

1 stop46h 05m

Washington, D.C. Dulles Intl

Mon 23-3

14:30-10:00

1 stop31h 30m

S$ 1,278

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 27-3

11:40-20:20

1 stop44h 40m

Washington, D.C. Dulles Intl

Fri 10-4

13:20-08:45

1 stop31h 25m

S$ 1,312

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 16-4

13:45-05:40

2 stops27h 55m

Washington, D.C. Dulles Intl

Thu 30-4

19:20-12:35

2 stops29h 15m

S$ 1,344

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 30-4

17:30-19:30

2 stops38h 00m

Washington, D.C. Dulles Intl

Thu 14-5

13:20-17:55

1 stop40h 35m

S$ 1,381

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 5-3

10:15-11:45

1 stop38h 30m

Washington, D.C. Dulles Intl

Mon 9-3

22:15-10:00

1 stop23h 45m

S$ 1,406

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 4-3

02:00-11:44

2 stops46h 44m

Washington, D.C. Dulles Intl

Sun 8-3

07:05-13:05

2 stops42h 00m

S$ 1,424

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 13-5

02:00-07:34

2 stops41h 34m

Washington, D.C. Dulles Intl

Sat 8-8

17:01-12:35

2 stops31h 34m

S$ 1,425

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 29-3

10:25-11:35

1 stop37h 10m

Washington, D.C. Dulles Intl

Thu 9-4

13:20-09:30

1 stop32h 10m

S$ 1,431

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 24-3

10:15-12:45

1 stop38h 30m

Washington, D.C. Dulles Intl

Fri 10-4

13:20-08:45

1 stop31h 25m

S$ 1,431

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 24-3

10:15-12:45

1 stop38h 30m

Washington, D.C. Dulles Intl

Thu 9-4

13:20-09:30

1 stop32h 10m

S$ 1,431

Flights are sorted by cheapest return flights first.

Deals found on 19-2

Showing 1-10 of 21 results
1
2
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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$ 984). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of S$ 2,804). 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 19 February 2026.
Get a feel of what it's like to fly with Korean Air, Qatar Airways, andUnited 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.
Korean Air
8.4
Very Good
1,194 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very Good
1,194 reviews
Korean Air
8.4
Very Good
1,194 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Qatar Airways
7.4
Good
3,739 reviews
Korean Air
8.4
Very Good
1,194 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
9,325 reviews
Korean Air
8.4
Very Good
1,194 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Turkish Airlines
7.3
Good
4,224 reviews
Korean Air
8.4
Very Good
1,194 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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 4 different airlines.

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

    For as low as S$ 1,278, Turkish Airlines can have you in Washington, D.C. Dulles Intl Airport from Singapore in 46h 05m. The distance between Singapore and Washington, D.C. Dulles Intl Airport is about 15521 km.

  • 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 Korean Air. Our recent data shows that you can find tickets from as low as S$ 948 on this airline. Additional options worth looking into are United Airlines and Turkish Airlines, starting at S$ 1,120 and S$ 1,259 round-trip. Users have found that Korean Air is 48% 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$ 984). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of S$ 2,804). 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 19 February 2026.
Qatar Airways flights from Singapore Changi to Washington, D.C. Dulles Intl
United Airlines flights from Singapore Changi to Washington, D.C. Dulles Intl

Top 4 airlines flying from Singapore to Dulles Intl

Discover the top 4 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 19 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapestS$ 948AverageS$ 1,785FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
United AirlinesCheapestS$ 1,120AverageS$ 1,636FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Turkish AirlinesCheapestS$ 1,259AverageS$ 1,451FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapestS$ 1,757AverageS$ 1,876FlexibilityNo 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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