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Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 666

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 18-4. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
26 Jan — 2 Feb1
1 adult

The best prices from Singapore Changi to Washington, D.C. Dulles Intl are usually found in September or March, booked 87 days in advance, depart on a Friday or Monday and return on a Monday

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 January 2025.

Round-trip from

S$ 1,005

One-way from

S$ 666

Popular in

January

Cheapest in

September

Average price

S$ 2,038
SAUDIA
  • SAUDIA
  • 1-3-8-3
  • 2 total stops
  • 67h 05m total
  • Singapore to Washington, D.C.
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SAUDIA
  • SAUDIA
  • 18-4
  • 1 total stop
  • 34h 30m total
  • Singapore to Washington, D.C.
Search Deals
High demand for flights, 1% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in January 2025
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Find 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 21 January 2025.

Sat 1-317:00SIN - IAD
1 stop34h 45mSAUDIA
Sat 8-318:10IAD - SIN
1 stop32h 20mSAUDIA
Deal found 20-1S$ 1,005
Thu 13-210:25SIN - IAD
1 stop46h 05mTurkish Airlines
Tue 18-221:25IAD - SIN
1 stop22h 20mTurkish Airlines
Deal found 20-1S$ 1,303
Sat 15-317:00SIN - IAD
1 stop34h 45mMultiple Airlines
Sun 23-322:30IAD - SIN
2 stops34h 40mMultiple Airlines
Deal found 20-1S$ 1,314
Wed 30-723:00SIN - IAD
1 stop44h 15mAir India
Fri 8-811:15IAD - SIN
1 stop22h 30mAir India
Deal found 21-1S$ 1,429
Fri 14-208:15SIN - IAD
2 stops27h 18mAmerican Airlines
Tue 25-206:12IAD - SIN
2 stops35h 28mAmerican Airlines
Deal found 19-1S$ 1,486
Tue 28-122:20SIN - IAD
3 stops59h 35mUnited Airlines
Fri 31-118:00IAD - SIN
1 stop37h 15mUnited Airlines
Deal found 21-1S$ 1,491
Thu 6-200:05SIN - IAD
1 stop28h 25mSWISS
Mon 17-217:30IAD - SIN
1 stop35h 25mSWISS
Deal found 20-1S$ 1,556
Thu 6-319:40SIN - IAD
2 stops36h 50mIndiGo
Thu 13-315:00IAD - SIN
2 stops38h 20mIndiGo
Deal found 20-1S$ 1,578
Wed 2-423:40SIN - IAD
2 stops31h 45mLufthansa
Wed 16-423:05IAD - SIN
1 stop29h 35mLufthansa
Deal found 19-1S$ 1,627
Sun 9-219:25SIN - IAD
1 stop34h 00mEtihad Airways
Sun 16-221:30IAD - SIN
1 stop23h 05mEtihad Airways
Deal found 20-1S$ 1,725
Sat 22-300:30SIN - IAD
1 stop44h 30mEmirates
Thu 3-410:55IAD - SIN
1 stop40h 05mEmirates
Deal found 19-1S$ 1,836
Fri 23-523:25SIN - IAD
1 stop30h 10mBritish Airways
Thu 3-719:25IAD - SIN
1 stop32h 40mBritish Airways
Deal found 21-1S$ 1,842

Find flights from Singapore to Dulles Intl within your budget

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 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 1-3

17:00-14:45

1 stop34h 45m

Washington, D.C. Dulles Intl

Sat 8-3

18:10-15:30

1 stop32h 20m

S$ 1,005

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 13-2

10:25-19:30

1 stop46h 05m

Washington, D.C. Dulles Intl

Tue 18-2

21:25-08:45

1 stop22h 20m

S$ 1,303

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 15-3

17:00-15:45

1 stop34h 45m

Washington, D.C. Dulles Intl

Sun 23-3

22:30-21:10

2 stops34h 40m

S$ 1,314

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 11-5

23:00-07:15

1 stop44h 15m

Washington, D.C. Dulles Intl

Tue 15-7

11:15-21:45

1 stop22h 30m

S$ 1,455

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 14-2

08:15-22:33

2 stops27h 18m

Washington, D.C. Dulles Intl

Tue 25-2

06:12-06:40

2 stops35h 28m

S$ 1,486

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 11-5

11:05-10:35

1 stop35h 30m

Washington, D.C. Dulles Intl

Tue 15-7

12:40-06:15

2 stops29h 35m

S$ 1,516

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 6-2

00:05-15:30

1 stop28h 25m

Washington, D.C. Dulles Intl

Mon 17-2

17:30-17:55

1 stop35h 25m

S$ 1,556

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 6-3

19:40-19:30

2 stops36h 50m

Washington, D.C. Dulles Intl

Thu 13-3

15:00-17:20

2 stops38h 20m

S$ 1,578

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 2-4

23:40-19:25

2 stops31h 45m

Washington, D.C. Dulles Intl

Wed 16-4

23:05-16:40

1 stop29h 35m

S$ 1,627

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 9-2

19:25-16:25

1 stop34h 00m

Washington, D.C. Dulles Intl

Sun 16-2

21:30-09:35

1 stop23h 05m

S$ 1,725

Flights are sorted by cheapest return flights first.

Deals found on 21-1

Showing 1-10 of 28 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.

Travel insights for flights from Singapore to Dulles Intl

Get recent, data-driven insights about flights from Singapore to Dulles Intl including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Singapore to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a return flight from Singapore to Dulles Intl. Price data was last updated on 17 January 2025.

To ensure you get the cheapest price possible for a flight from Singapore to Washington, D.C. Dulles Intl Airport, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 January 2025.
Read through reviews of airlines operating flights from Singapore to Washington, D.C., such as Turkish Airlines, United Airlines and SWISS. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Overall

8.5

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very Good
1,039 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Overall

8.5

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Emirates
8.1
Very Good
3,356 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Overall

8.5

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very Good
8,521 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Overall

8.5

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Qatar Airways
7.5
Good
3,754 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Overall

8.5

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

SWISS
7.5
Good
1,600 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Comfort

8.3

Overall

8.5

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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 7 different airlines.

  • 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 SAUDIA. Our recent data shows that you can find tickets from as low as S$ 1,005 on this airline. Additional options worth looking into are Turkish Airlines and Air India, starting at S$ 1,303 and S$ 1,455 round-trip. Users have found that SAUDIA is 44% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with SAUDIA, which is currently one of the cheapest options available, starting at S$ 666. IndiGo flights start at S$ 830 while deals on Turkish Airlines start at S$ 924 one-way.

  • 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.

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 January 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
Emirates flights from Singapore Changi to Washington, D.C. Dulles Intl

Top 7 airlines flying from Singapore to Dulles Intl

Discover the top 7 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 January 2025.
AirlineCheapestAverageFlexibilityOn-time
SAUDIACheapestS$ 1,004AverageS$ 1,296FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
United AirlinesCheapestS$ 1,069AverageS$ 1,705FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air IndiaCheapestS$ 1,378AverageS$ 1,636FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Turkish AirlinesCheapestS$ 1,398AverageS$ 1,708FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapestS$ 1,860AverageS$ 2,436FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Korean AirCheapestS$ 1,862AverageS$ 2,044FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
EmiratesCheapestS$ 1,950AverageS$ 2,228FlexibilityNo cancel feeOn-time75%
Search Emirates 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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