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Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 533

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 28-4. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
23 Apr — 30 Apr1
1 adult

Cheap 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 April 2025.

Round-trip from

S$ 1,279

One-way from

S$ 533

Popular in

July

Cheapest in

August

Average price

S$ 1,576
26-5-22-8
  • 26-5-22-8
  • 4 total stops
  • 79h 21m total
  • Singapore to Washington, D.C.
SAUDIA
  • SAUDIA
  • 28-4
  • 1 total stop
  • 25h 15m total
  • Singapore to Washington, D.C.
Highest demand for flights based on searches. 1% potential increase in price (S$ 43 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (S$ 44 potential savings vs. average return price).
Average for round-trip flights in April 2025

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 18 April 2025.

Fri 3-1002:30SIN - IAD
1 stop49h 15mSAUDIA
Sun 19-1018:50IAD - SIN
1 stop56h 55mSAUDIA
Deal found 17-4S$ 1,208
Sun 5-1023:55SIN - IAD
2 stops33h 10mAir Canada
Sun 19-1017:10IAD - SIN
2 stops43h 35mAir Canada
Deal found 17-4S$ 1,214
Mon 26-502:00SIN - IAD
2 stops51h 15mMultiple Airlines
Fri 22-820:29IAD - SIN
2 stops28h 06mMultiple Airlines
Deal found 17-4S$ 1,279
Tue 27-520:30SIN - IAD
1 stop23h 10mAir India
Fri 22-811:00IAD - SIN
1 stop22h 45mAir India
Deal found 17-4S$ 1,362
Fri 23-510:15SIN - IAD
1 stop45h 30mTurkish Airlines
Fri 30-521:40IAD - SIN
1 stop23h 05mTurkish Airlines
Deal found 17-4S$ 1,409
Sat 4-1020:40SIN - IAD
2 stops27h 15mUnited Airlines
Sun 19-1012:25IAD - SIN
1 stop30h 15mUnited Airlines
Deal found 17-4S$ 1,490
Sat 31-518:30SIN - IAD
2 stops56h 55mSWISS
Sat 7-620:45IAD - SIN
1 stop32h 20mSWISS
Deal found 16-4S$ 1,644
Sun 27-710:55SIN - IAD
1 stop40h 20mLufthansa
Mon 2-217:45IAD - SIN
1 stop24h 10mLufthansa
Deal found 17-4S$ 1,681
Tue 29-721:10SIN - IAD
1 stop31h 00mEtihad Airways
Mon 2-221:30IAD - SIN
1 stop22h 35mEtihad Airways
Deal found 17-4S$ 1,754
Thu 31-723:20SIN - IAD
1 stop32h 50mBritish Airways
Sun 1-221:55IAD - SIN
1 stop31h 30mBritish Airways
Deal found 17-4S$ 1,759
Tue 13-503:10SIN - IAD
1 stop24h 30mQatar Airways
Thu 7-811:00IAD - SIN
1 stop22h 00mQatar Airways
Deal found 17-4S$ 1,765
Mon 12-501:10SIN - IAD
1 stop22h 05mKorean Air
Thu 7-813:30IAD - SIN
1 stop22h 10mKorean Air
Deal found 17-4S$ 1,810

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 April 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

Mon 26-5

02:00-17:15

2 stops51h 15m

Washington, D.C. Dulles Intl

Fri 22-8

20:29-12:35

2 stops28h 06m

S$ 1,279

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 27-5

20:30-07:40

1 stop23h 10m

Washington, D.C. Dulles Intl

Fri 22-8

11:00-21:45

1 stop22h 45m

S$ 1,362

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 13-5

06:15-21:08

2 stops26h 53m

Washington, D.C. Dulles Intl

Thu 7-8

06:35-07:05

2 stops36h 30m

S$ 1,381

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 23-5

10:15-19:45

1 stop45h 30m

Washington, D.C. Dulles Intl

Fri 30-5

21:40-08:45

1 stop23h 05m

S$ 1,409

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 13-5

20:40-11:55

2 stops27h 15m

Washington, D.C. Dulles Intl

Thu 7-8

12:36-06:15

1 stop29h 39m

S$ 1,595

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 31-5

18:30-15:25

2 stops56h 55m

Washington, D.C. Dulles Intl

Sat 7-6

20:45-17:05

1 stop32h 20m

S$ 1,644

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 23-5

23:40-15:15

1 stop27h 35m

Washington, D.C. Dulles Intl

Thu 3-7

22:20-16:40

1 stop30h 20m

S$ 1,742

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 13-5

22:40-15:45

1 stop29h 05m

Washington, D.C. Dulles Intl

Fri 8-8

19:25-18:00

1 stop34h 35m

S$ 1,759

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 13-5

03:10-15:40

1 stop24h 30m

Washington, D.C. Dulles Intl

Thu 7-8

11:00-21:00

1 stop22h 00m

S$ 1,765

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 12-5

01:10-11:15

1 stop22h 05m

Washington, D.C. Dulles Intl

Thu 7-8

13:30-23:40

1 stop22h 10m

S$ 1,810

Flights are sorted by cheapest return flights first.

Deals found on 17-4

Showing 1-10 of 31 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

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 18 April 2025.
To help decide which airline to fly from Singapore to Washington, D.C., see what other customers have to say about EVA Air, Korean Air and ANA. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
8.3
Very Good

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

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 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$ 533. EVA Air flights start at S$ 918 while deals on Air India start at S$ 954 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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Alternative routes for Singapore to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

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 18 April 2025.
AirlineCheapestAverageFlexibilityOn-time
SAUDIACheapestS$ 968AverageS$ 1,239FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Turkish AirlinesCheapestS$ 1,282AverageS$ 1,476FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air IndiaCheapestS$ 1,328AverageS$ 1,361FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
United AirlinesCheapestS$ 1,441AverageS$ 1,660FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapestS$ 1,795AverageS$ 1,997FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Qatar AirwaysCheapestS$ 1,813AverageS$ 2,390FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapestS$ 1,864AverageS$ 2,100FlexibilityNo 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?

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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