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Dulles Intl

$548+ Cheap flights from Singapore to Dulles Intl (IAD)

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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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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 junio 12, 2025.

Round-trip from

$885
(United Airlines)

One-way from

$548
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$1,177
From Singapore to Washington, D.C. Dulles Intl
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One-way flight from Singapore to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 10% potential increase in price ($145 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/268:45 amSIN - IAD
2 stops27h 45mUnited Airlines
jue. 7/312:20 pmIAD - SIN
1 stop30h 20mUnited Airlines
Deal found 6/12$885
This ANA deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/1410:10 pmSIN - IAD
1 stop23h 55mANA
lun. 7/213:39 pmIAD - SIN
2 stops27h 01mANA
Deal found 6/12$952
This Air Canada deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/511:55 pmSIN - IAD
2 stops33h 10mAir Canada
dom. 10/195:22 pmIAD - SIN
2 stops49h 18mAir Canada
Deal found 6/12$986
This Turkish Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/510:15 amSIN - IAD
1 stop37h 30mTurkish Airlines
sáb. 10/189:40 pmIAD - SIN
1 stop32h 15mTurkish Airlines
Deal found 6/12$1,033
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/208:45 amSIN - IAD
2 stops38h 30mAir India
mié. 8/2712:50 pmIAD - SIN
1 stop30h 25mAir India
Deal found 6/11$1,041
This EVA Air deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/203:10 pmSIN - IAD
2 stops28h 17mMultiple Airlines
mié. 9/36:09 pmIAD - SIN
2 stops29h 51mMultiple Airlines
Deal found 6/11$1,094
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/41:55 amSIN - IAD
2 stops32h 53mAmerican Airlines
sáb. 10/186:45 amIAD - SIN
2 stops35h 25mAmerican Airlines
Deal found 6/11$1,154
This Booking.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/267:45 pmSIN - IAD
2 stops36h 00mIndiGo
sáb. 8/21:30 pmIAD - SIN
2 stops40h 15mIndiGo
Deal found 6/11$1,216
This SWISS deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/511:20 pmSIN - IAD
1 stop28h 55mSWISS
dom. 10/195:40 pmIAD - SIN
2 stops59h 25mSWISS
Deal found 6/12$1,286
This Lufthansa deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/2011:40 pmSIN - IAD
1 stop27h 35mLufthansa
mié. 9/310:20 pmIAD - SIN
1 stop30h 20mLufthansa
Deal found 6/10$1,344
This CheapTickets deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/43:10 amSIN - IAD
1 stop24h 30mQatar Airways
sáb. 10/189:00 pmIAD - SIN
1 stop30h 45mQatar Airways
Deal found 6/11$1,358
This Gotogate deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/243:30 amSIN - IAD
2 stops28h 00mAir China
vie. 8/111:00 pmIAD - SIN
1 stop43h 50mAir China
Deal found 6/10$1,373

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated junio 12, 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

jue. 6/26

8:45 am-12:30 am

2 stops27h 45m

Washington, D.C. Dulles Intl

jue. 7/3

12:20 pm-6:40 am

1 stop30h 20m

$885

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

lun. 7/14

10:10 pm-10:05 am

1 stop23h 55m

Washington, D.C. Dulles Intl

lun. 7/21

3:39 pm-6:40 am

2 stops27h 01m

$952

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

dom. 10/5

11:55 pm-9:05 pm

2 stops33h 10m

Washington, D.C. Dulles Intl

dom. 10/19

5:22 pm-6:40 am

2 stops49h 18m

$986

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

dom. 10/5

10:15 am-11:45 am

1 stop37h 30m

Washington, D.C. Dulles Intl

sáb. 10/18

9:40 pm-5:55 pm

1 stop32h 15m

$1,033

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

dom. 10/5

9:10 am-9:38 am

2 stops36h 28m

Washington, D.C. Dulles Intl

sáb. 10/18

11:00 am-9:45 pm

1 stop22h 45m

$1,117

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

sáb. 10/4

1:55 am-10:48 pm

2 stops32h 53m

Washington, D.C. Dulles Intl

sáb. 10/18

6:45 am-6:10 am

2 stops35h 25m

$1,154

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

mié. 7/30

11:00 pm-11:15 am

2 stops48h 15m

Washington, D.C. Dulles Intl

vie. 8/8

12:50 pm-9:45 pm

1 stop44h 55m

$1,171

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

sáb. 7/26

7:45 pm-7:45 pm

2 stops36h 00m

Washington, D.C. Dulles Intl

sáb. 8/2

1:30 pm-5:45 pm

2 stops40h 15m

$1,216

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

dom. 10/5

11:20 pm-4:15 pm

1 stop28h 55m

Washington, D.C. Dulles Intl

dom. 10/19

5:40 pm-5:05 pm

2 stops59h 25m

$1,286

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

sáb. 10/4

3:10 am-3:40 pm

1 stop24h 30m

Washington, D.C. Dulles Intl

sáb. 10/18

9:00 pm-3:45 pm

1 stop30h 45m

$1,358

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 36 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 round-trip 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, August is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Singapore to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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.

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 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 junio 12, 2025.
Read through reviews of airlines operating flights from Singapore to Washington, D.C., such as EVA Air, Korean Air and China Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.3
Very good
882 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Emirates
8.1
Very good
3,264 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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?

    The cheapest airlines for a one-way flight from Singapore to Washington, D.C. Dulles Intl Airport are IndiGo ($548), Air Canada ($594), and Air India ($605).

  • 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 vacation 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, August is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Singapore to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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

Traveling to a place near Singapore?

Book flights to Singapore if you plan to visit one of these locations
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Fredericksburg
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National Harbor
Springfield
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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.
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Mumbai to Baltimore flights
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Mumbai to Reagan-National flights
Ho Chi Minh City to Dulles Intl flights
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Haneda to Baltimore flights
Narita to Reagan-National flights
Narita to Baltimore flights
Karachi to Dulles Intl flights
Incheon Intl to Reagan-National flights
Ahmedabad to Baltimore flights
Bangalore to Baltimore flights
Bangalore to Reagan-National flights
New Delhi to Baltimore flights
Colombo to Reagan-National flights
Capital to Reagan-National flights
Incheon Intl to Baltimore flights
Manila to Reagan-National flights
Hong Kong to Dulles Intl flights
Kathmandu to Dulles Intl flights
Suvarnabhumi to Reagan-National flights
Cebu City to Dulles Intl flights
Dhaka to Dulles Intl flights

Top airline flying from Singapore to Dulles Intl

Discover the top airline 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 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,333Average$1,372FlexibilityNo cancel feeOn-time68%

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