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Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 597

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 25-12. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
17 janv. — 24 janv.1
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 18 décembre 2025.

dim. 28-1219:25SIN - IAD
1 stop26h 40mMultiple Airlines
dim. 11-121:15IAD - SIN
2 stops31h 05mMultiple Airlines
Deal found 16-12S$ 1,396
dim. 28-1219:25SIN - IAD
1 stop26h 40mEtihad Airways
dim. 11-114:35IAD - SIN
1 stop30h 00mEtihad Airways
Deal found 16-12S$ 1,453
jeu. 18-1218:30SIN - IAD
2 stops37h 00mAir China
ven. 9-122:00IAD - SIN
1 stop29h 25mAir China
Deal found 15-12S$ 1,668
jeu. 18-1210:10SIN - IAD
2 stops25h 56mUnited Airlines
sam. 3-122:05IAD - SIN
1 stop44h 55mUnited Airlines
Deal found 15-12S$ 1,787
jeu. 18-1211:15SIN - IAD
2 stops45h 05mIndiGo
sam. 3-113:30IAD - SIN
2 stops39h 15mIndiGo
Deal found 15-12S$ 1,791
mer. 17-1210:10SIN - IAD
2 stops26h 11mUnited Airlines
dim. 28-1218:37IAD - SIN
1 stop36h 38mUnited Airlines
Deal found 15-12S$ 1,836
jeu. 18-1222:20SIN - IAD
2 stops26h 25mUnited Airlines
ven. 9-108:15IAD - SIN
2 stops27h 40mUnited Airlines
Deal found 15-12S$ 1,932
jeu. 18-1211:15SIN - IAD
2 stops45h 05mMultiple Airlines
ven. 9-118:10IAD - SIN
3 stops30h 10mMultiple Airlines
Deal found 15-12S$ 1,967
lun. 22-1210:10SIN - IAD
2 stops25h 56mUnited Airlines
dim. 28-1215:22IAD - SIN
1 stop39h 53mUnited Airlines
Deal found 15-12S$ 1,973

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 18 décembre 2025.

Round-trip from

S$ 1,179

One-way from

S$ 597

Popular in

February

Cheapest in

September

Average price

S$ 1,960
IndiGo
  • IndiGo
  • 7-3-14-3
  • 4 total stops
  • 76h 10m total
  • Singapore to Washington, D.C.
Search Deals
Air China
  • Air China
  • 25-12
  • 1 total stop
  • 37h 35m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (S$ 574 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (S$ 202 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 18 décembre 2025.
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

sam. 7-3

11:15-19:20

2 stops45h 05m

Washington, D.C. Dulles Intl

sam. 14-3

22:15-17:20

2 stops31h 05m

S$ 1,179

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

dim. 1-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

jeu. 30-4

15:35-09:15

1 stop29h 40m

S$ 1,243

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

jeu. 14-5

21:10-09:45

1 stop24h 35m

Washington, D.C. Dulles Intl

sam. 8-8

15:35-09:15

1 stop29h 40m

S$ 1,246

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

ven. 30-1

09:30-18:30

1 stop22h 00m

Washington, D.C. Dulles Intl

ven. 6-2

22:00-06:50

1 stop43h 50m

S$ 1,247

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

jeu. 19-2

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

lun. 23-2

14:35-09:35

1 stop30h 00m

S$ 1,271

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

ven. 6-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

jeu. 12-3

15:35-09:35

1 stop30h 00m

S$ 1,272

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

mar. 10-3

19:25-10:05

1 stop26h 40m

Washington, D.C. Dulles Intl

jeu. 12-3

15:35-09:35

1 stop30h 00m

S$ 1,272

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

lun. 9-3

19:25-10:05

1 stop26h 40m

Washington, D.C. Dulles Intl

jeu. 12-3

15:35-09:35

1 stop30h 00m

S$ 1,272

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

jeu. 12-2

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

dim. 15-2

14:35-09:35

1 stop30h 00m

S$ 1,272

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

ven. 6-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

ven. 13-3

15:35-09:35

1 stop30h 00m

S$ 1,272

Flights are sorted by cheapest return flights first.

Deals found on 16-12

Showing 1-10 of 22 results
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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, March is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of S$ 1,058). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of S$ 2,856). 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 18 décembre 2025.
Read through reviews of airlines operating flights from Singapore to Washington, D.C. Dulles Intl Airport, such as Korean Air, Qatar Airways, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,186 reviews
Check prices

Food

8.1

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

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
1,186 reviews
Korean Air
8.4
Very Good
1,186 reviews
Check prices

Food

8.1

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

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
3,686 reviews
Korean Air
8.4
Very Good
1,186 reviews
Check prices

Food

8.1

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

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
9,091 reviews
Korean Air
8.4
Very Good
1,186 reviews
Check prices

Food

8.1

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

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
4,105 reviews
Korean Air
8.4
Very Good
1,186 reviews
Check prices

Food

8.1

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

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!!
Air India
5.5
Fair
2,952 reviews
Korean Air
8.4
Very Good
1,186 reviews
Check prices

Food

8.1

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

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.

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

    For as low as S$ 1,243, IndiGo can have you in Washington, D.C. Dulles Intl Airport from Singapore in 26h 40m. 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, March is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of S$ 1,058). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of S$ 2,856). 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

Browse thousands of different options on Cheapflights for your next trip

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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 Reagan-National flights
Singapore to Baltimore flights
Singapore to Dulles Intl flights

Top 5 airlines flying from Singapore to Dulles Intl

Discover the top 5 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 18 décembre 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapestS$ 1,247AverageS$ 1,487FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Korean AirCheapestS$ 1,276AverageS$ 1,966FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Air IndiaCheapestS$ 1,332AverageS$ 1,376FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
United AirlinesCheapestS$ 1,428AverageS$ 1,602FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qatar AirwaysCheapestS$ 1,790AverageS$ 1,913FlexibilityNo 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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