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Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 744

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 21-3. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 21 November 2025.

Round-trip from

S$ 1,205

One-way from

S$ 744

Popular in

November

Cheapest in

March

Average price

S$ 4,138
Etihad Airways
  • Etihad Airways
  • 26-12-10-1
  • 2 total stops
  • 56h 40m total
  • Singapore to Washington, D.C.
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21-3
  • 21-3
  • 2 total stops
  • 50h 05m total
  • Singapore to Washington, D.C.
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Highest demand for flights based on searches. 22% potential increase in price (S$ 724 potential increase over avg. return price).
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Cheapest flight prices on average. 11% potential price decrease (S$ 265 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find 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 21 November 2025.

Fri 26-1219:25SIN - IAD
1 stop26h 40mEtihad Airways
Sat 10-114:35IAD - SIN
1 stop30h 00mEtihad Airways
Deal found 19-11S$ 1,205
Fri 26-1219:25SIN - IAD
1 stop26h 40mEtihad Airways
Sun 11-114:35IAD - SIN
1 stop30h 00mEtihad Airways
Deal found 20-11S$ 1,237
Fri 26-1219:25SIN - IAD
1 stop26h 40mMultiple Airlines
Sat 10-121:15IAD - SIN
2 stops48h 00mMultiple Airlines
Deal found 19-11S$ 1,328
Fri 26-1219:25SIN - IAD
1 stop26h 40mMultiple Airlines
Sun 11-121:15IAD - SIN
2 stops48h 00mMultiple Airlines
Deal found 20-11S$ 1,332
Mon 24-1122:20SIN - IAD
2 stops30h 35mUnited Airlines
Wed 26-1112:20IAD - SIN
1 stop29h 35mUnited Airlines
Deal found 20-11S$ 1,364
Tue 2-1222:20SIN - IAD
1 stop28h 53mUnited Airlines
Wed 10-1213:10IAD - SIN
2 stops29h 50mUnited Airlines
Deal found 20-11S$ 1,505
Mon 24-1119:25SIN - IAD
1 stop33h 05mMultiple Airlines
Wed 26-1113:30IAD - SIN
1 stop31h 30mMultiple Airlines
Deal found 20-11S$ 1,516
Wed 19-1119:25SIN - IAD
1 stop33h 05mMultiple Airlines
Sun 23-1111:50IAD - SIN
1 stop28h 10mMultiple Airlines
Deal found 18-11S$ 1,586

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 21 November 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

Sun 1-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Thu 30-4

15:35-09:15

1 stop29h 40m

S$ 1,279

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1-3

10:25-11:45

1 stop38h 20m

Washington, D.C. Dulles Intl

Thu 30-4

21:40-17:55

1 stop32h 15m

S$ 1,343

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1-3

14:25-05:40

2 stops28h 15m

Washington, D.C. Dulles Intl

Thu 30-4

19:01-12:35

2 stops29h 34m

S$ 1,414

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 12-2

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Mon 16-2

14:35-09:35

1 stop30h 00m

S$ 1,416

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 14-5

02:00-15:05

2 stops49h 05m

Washington, D.C. Dulles Intl

Tue 11-8

09:00-12:35

2 stops39h 35m

S$ 1,424

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 15-5

09:00-23:57

2 stops26h 57m

Washington, D.C. Dulles Intl

Sat 8-8

12:15-06:40

1 stop30h 25m

S$ 1,464

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 17-1

22:20-11:46

2 stops26h 26m

Washington, D.C. Dulles Intl

Wed 21-1

11:10-06:55

1 stop30h 45m

S$ 1,464

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 15-5

22:10-10:05

1 stop23h 55m

Washington, D.C. Dulles Intl

Tue 11-8

15:30-06:40

2 stops27h 10m

S$ 1,492

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 21-3

20:00-10:05

2 stops50h 05m

S$ 744

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 26-1

02:00-16:26

2 stops51h 26m

S$ 786

Flights are sorted by cheapest return flights first.

Deals found on 19-11

Showing 1-10 of 17 results
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, May is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of S$ 1,071). Flying from Singapore to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of S$ 1,656). 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 21 November 2025.
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
1,170 reviews
Check prices

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

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
1,170 reviews
Korean Air
8.4
Very Good
1,170 reviews
Check prices

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

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
3,664 reviews
Korean Air
8.4
Very Good
1,170 reviews
Check prices

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

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
9,029 reviews
Korean Air
8.4
Very Good
1,170 reviews
Check prices

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

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
4,044 reviews
Korean Air
8.4
Very Good
1,170 reviews
Check prices

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

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
2,943 reviews
Korean Air
8.4
Very Good
1,170 reviews
Check prices

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

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 5 different airlines.

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

    For as low as S$ 1,279, Etihad Airways 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.

  • 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$ 1,277 on this airline. Additional options worth looking into are United Airlines and Korean Air, starting at S$ 1,291 and S$ 1,292 round-trip. Users have found that Turkish Airlines is 33% 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, May is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of S$ 1,071). Flying from Singapore to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of S$ 1,656). 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 21 November 2025.
United Airlines flights from Singapore Changi to Washington, D.C. Dulles Intl
Qatar Airways flights from Singapore Changi to Washington, D.C. Dulles Intl

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 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapestS$ 1,277AverageS$ 1,505FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
United AirlinesCheapestS$ 1,291AverageS$ 1,602FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapestS$ 1,292AverageS$ 2,231FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Air IndiaCheapestS$ 1,348AverageS$ 1,394FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapestS$ 1,807AverageS$ 1,936FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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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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