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Dulles Intl

$485+ Cheap flights from Singapore (SIN) 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
Jan 22 — Jan 291
Wed 1/22
Wed 1/29
1 adult, Economy
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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 Tuesday and return on a Friday

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 January 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$864
(Trip.com)

One-way from

$485
(CheapTickets)

Popular in

January

Cheapest in

September

Average price

$1,497
Provider with most accurate pricing for Singapore Changi-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Singapore Changi-Washington, D.C. Dulles Intl flights.
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From Singapore Changi to Washington, D.C. Dulles Intl
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One-way flight from Singapore Changi to Washington, D.C. Dulles Intl
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High demand for flights, 2% 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 January 17, 2025.

This Trip.com deal was found by Cheapflights users on 1/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/85:00 pmSIN - IAD
1 stop34h 45mSAUDIA
Sat 2/156:10 pmIAD - SIN
1 stop32h 20mSAUDIA
Deal found 1/16$864
This oojo deal was found by Cheapflights users on 1/16. 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.
Sun 5/119:10 amSIN - IAD
1 stop37h 40mTurkish Airlines
Tue 7/1512:35 pmIAD - SIN
1 stop30h 55mTurkish Airlines
Deal found 1/16$935
This Gotogate deal was found by Cheapflights users on 1/16. 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.
Fri 3/1411:00 pmSIN - IAD
1 stop44h 50mAir India
Fri 4/1111:15 amIAD - SIN
1 stop22h 30mAir India
Deal found 1/16$1,009
This United Airlines deal was found by Cheapflights users on 1/16. 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.
Fri 2/1410:20 pmSIN - IAD
2 stops26h 11mUnited Airlines
Tue 2/2512:35 pmIAD - SIN
1 stop29h 20mUnited Airlines
Deal found 1/16$1,023
This Gotogate deal was found by Cheapflights users on 1/16. 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.
Sat 3/15:00 pmSIN - IAD
1 stop34h 45mMultiple Airlines
Sat 3/1510:25 pmIAD - SIN
2 stops30h 55mMultiple Airlines
Deal found 1/16$1,036
This American Airlines deal was found by Cheapflights users on 1/16. 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.
Thu 2/132:20 amSIN - IAD
2 stops33h 13mAmerican Airlines
Tue 2/256:12 amIAD - SIN
2 stops35h 28mAmerican Airlines
Deal found 1/16$1,156
This Booking.com deal was found by Cheapflights users on 1/16. 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.
Fri 3/217:40 pmSIN - IAD
2 stops36h 50mIndiGo
Fri 4/1112:35 pmIAD - SIN
2 stops40h 45mIndiGo
Deal found 1/16$1,193
This Travelocity deal was found by Cheapflights users on 1/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2112:05 amSIN - IAD
1 stop29h 20mSWISS
Thu 2/278:45 pmIAD - SIN
1 stop32h 10mSWISS
Deal found 1/16$1,228
This Justfly.com deal was found by Cheapflights users on 1/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2011:15 pmSIN - IAD
1 stop29h 20mBritish Airways
Wed 1/226:00 pmIAD - SIN
1 stop32h 55mBritish Airways
Deal found 1/16$1,282
This Lufthansa deal was found by Cheapflights users on 1/16. 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.
Wed 4/3011:25 pmSIN - IAD
1 stop32h 00mLufthansa
Tue 6/310:20 pmIAD - SIN
1 stop30h 20mLufthansa
Deal found 1/16$1,305
This Gotogate deal was found by Cheapflights users on 1/16. 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.
Thu 2/133:15 amSIN - IAD
1 stop25h 40mQatar Airways
Tue 2/258:05 pmIAD - SIN
1 stop29h 50mQatar Airways
Deal found 1/16$1,345
This Emirates deal was found by Cheapflights users on 1/16. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1012:50 amSIN - IAD
1 stop43h 50mEmirates
Tue 7/1510:55 amIAD - SIN
1 stop22h 50mEmirates
Deal found 1/16$1,376

Find flights from Singapore to Dulles Intl within your budget

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 January 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 2/8

5:00 pm-2:45 pm

1 stop34h 45m

Washington, D.C. Dulles Intl

Sat 2/15

6:10 pm-3:30 pm

1 stop32h 20m

$864

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 5/11

9:10 am-10:50 am

1 stop37h 40m

Washington, D.C. Dulles Intl

Tue 7/15

12:35 pm-7:30 am

1 stop30h 55m

$935

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 3/14

11:00 pm-7:50 am

1 stop44h 50m

Washington, D.C. Dulles Intl

Fri 4/11

11:15 am-9:45 pm

1 stop22h 30m

$1,009

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 2/14

10:20 pm-11:31 am

2 stops26h 11m

Washington, D.C. Dulles Intl

Tue 2/25

12:35 pm-6:55 am

1 stop29h 20m

$1,023

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 3/1

5:00 pm-2:45 pm

1 stop34h 45m

Washington, D.C. Dulles Intl

Sat 3/15

10:25 pm-5:20 pm

2 stops30h 55m

$1,036

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 2/13

2:20 am-10:33 pm

2 stops33h 13m

Washington, D.C. Dulles Intl

Tue 2/25

6:12 am-6:40 am

2 stops35h 28m

$1,156

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 3/21

7:40 pm-8:30 pm

2 stops36h 50m

Washington, D.C. Dulles Intl

Fri 4/11

12:35 pm-5:20 pm

2 stops40h 45m

$1,193

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 2/21

12:05 am-4:25 pm

1 stop29h 20m

Washington, D.C. Dulles Intl

Thu 2/27

8:45 pm-5:55 pm

1 stop32h 10m

$1,228

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 4/30

11:25 pm-7:25 pm

1 stop32h 00m

Washington, D.C. Dulles Intl

Tue 6/3

10:20 pm-4:40 pm

1 stop30h 20m

$1,305

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 5/2

11:25 pm-8:15 pm

1 stop32h 50m

Washington, D.C. Dulles Intl

Tue 6/3

7:25 pm-4:05 pm

1 stop32h 40m

$1,312

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 37 results
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Compare providers for flights from Singapore to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Singapore to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Singapore-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Singapore-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Singapore-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Singapore-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Singapore-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 round-trip flight from Singapore to Dulles Intl. Price data was last updated on January 10, 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.

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 June is currently the most expensive (average of $389). 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 January 17, 2025.
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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
1,034 reviews
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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.

ANA
8.4
Very good
847 reviews
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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.

Asiana Airlines
8.3
Very good
465 reviews
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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.

China Airlines
8.2
Very good
737 reviews
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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
3,350 reviews
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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?

    If you book a flight to Washington, D.C. Dulles Intl from Singapore, you will be flying from Changi, which is the city’s only airport. Singapore Changi (SIN) is located 10.5 mi from the center of Singapore. There are 0 flights from Changi to Washington, D.C. Dulles Intl per day from 2 different airlines.

  • What are the cheapest airlines flying from Singapore to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, SAUDIA ($864), Turkish Airlines ($935), and Air India ($1,009) offers the cheapest pricing from Singapore to Washington, D.C. Dulles Intl Airport. SAUDIA is 34% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 SAUDIA ($485), IndiGo ($622), and Air India ($624).

  • 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 June is currently the most expensive (average of $389). 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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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

Top 2 airlines flying from Singapore to Dulles Intl

Discover the top 2 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 2,558,603 searches. Data last updated January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$870Average$1,466FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$1,333Average$1,372FlexibilityNo cancel feeOn-time68%
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