Dulles Intl

$489+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
Jan 26 — Feb 21
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Cheap flight deals from Singapore to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SG0) 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 21, 2025.

Round-trip from

$742
(Trip.com)

One-way from

$489
(oojo)
From Singapore to Washington, D.C. Dulles Intl
One-way flight from Singapore to Washington, D.C. Dulles Intl

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 21, 2025.

This Trip.com deal was found by Cheapflights users on 1/21. 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 3/155:00 pmSIN - IAD
1 stop34h 45mSAUDIA
Sat 3/227:10 pmIAD - SIN
1 stop32h 20mSAUDIA
Deal found 1/21$742
This oojo deal was found by Cheapflights users on 1/21. 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.
Thu 2/2010:25 amSIN - IAD
1 stop46h 05mTurkish Airlines
Thu 2/272:00 pmIAD - SIN
1 stop38h 35mTurkish Airlines
Deal found 1/21$957
This Trip.com deal was found by Cheapflights users on 1/20. 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 3/155:00 pmSIN - IAD
1 stop34h 45mMultiple Airlines
Sun 3/2310:30 pmIAD - SIN
2 stops34h 40mMultiple Airlines
Deal found 1/20$965
This Jettzy deal was found by Cheapflights users on 1/21. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/38:20 amSIN - IAD
1 stop34h 55mAir India
Fri 4/1811:15 amIAD - SIN
1 stop31h 45mAir India
Deal found 1/21$1,038
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 1/2810:20 pmSIN - IAD
3 stops59h 35mUnited Airlines
Fri 1/316:00 pmIAD - SIN
1 stop37h 15mUnited Airlines
Deal found 1/21$1,095
This SWISS deal was found by Cheapflights users on 1/21. 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.
Wed 2/512:05 amSIN - IAD
1 stop28h 25mSWISS
Mon 2/175:30 pmIAD - SIN
1 stop35h 25mSWISS
Deal found 1/21$1,150
This Lufthansa deal was found by Cheapflights users on 1/20. 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 5/1411:25 pmSIN - IAD
1 stop32h 00mLufthansa
Wed 6/1110:20 pmIAD - SIN
2 stops30h 05mLufthansa
Deal found 1/20$1,182
This Booking.com deal was found by Cheapflights users on 1/20. 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.
Sat 3/157:40 pmSIN - IAD
2 stops36h 50mIndiGo
Sun 3/232:30 pmIAD - SIN
2 stops38h 50mIndiGo
Deal found 1/20$1,196
This oojo deal was found by Cheapflights users on 1/21. 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.
Wed 2/191:30 amSIN - IAD
1 stop21h 20mKorean Air
Thu 2/2711:50 amIAD - SIN
1 stop28h 10mKorean Air
Deal found 1/21$1,349
This Gurufare deal was found by Cheapflights users on 1/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2311:25 pmSIN - IAD
1 stop30h 10mBritish Airways
Thu 7/37:25 pmIAD - SIN
1 stop32h 40mBritish Airways
Deal found 1/21$1,353
This Qatar Airways deal was found by Cheapflights users on 1/21. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/273:15 amSIN - IAD
1 stop25h 40mQatar Airways
Thu 4/109:05 pmIAD - SIN
1 stop30h 40mQatar Airways
Deal found 1/21$1,364
This Emirates deal was found by Cheapflights users on 1/21. 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.
Thu 5/2212:50 amSIN - IAD
1 stop43h 50mEmirates
Thu 7/310:55 amIAD - SIN
1 stop22h 50mEmirates
Deal found 1/21$1,424

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 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 3/15

5:00 pm-3:45 pm

1 stop34h 45m

Washington, D.C. Dulles Intl

Sat 3/22

7:10 pm-3:30 pm

1 stop32h 20m

$742

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 2/20

10:25 am-7:30 pm

1 stop46h 05m

Washington, D.C. Dulles Intl

Thu 2/27

2:00 pm-5:35 pm

1 stop38h 35m

$957

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 3/15

5:00 pm-3:45 pm

1 stop34h 45m

Washington, D.C. Dulles Intl

Sun 3/23

10:30 pm-9:10 pm

2 stops34h 40m

$965

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 4/3

8:20 am-7:15 am

1 stop34h 55m

Washington, D.C. Dulles Intl

Fri 4/18

11:15 am-7:00 am

1 stop31h 45m

$1,038

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 2/7

10:10 am-10:09 pm

2 stops24h 59m

Washington, D.C. Dulles Intl

Sun 2/16

11:05 am-6:55 am

1 stop30h 50m

$1,126

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 2/5

12:05 am-3:30 pm

1 stop28h 25m

Washington, D.C. Dulles Intl

Mon 2/17

5:30 pm-5:55 pm

1 stop35h 25m

$1,150

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 5/14

11:25 pm-7:25 pm

1 stop32h 00m

Washington, D.C. Dulles Intl

Wed 6/11

10:20 pm-4:25 pm

2 stops30h 05m

$1,182

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 3/15

7:40 pm-8:30 pm

2 stops36h 50m

Washington, D.C. Dulles Intl

Sun 3/23

2:30 pm-5:20 pm

2 stops38h 50m

$1,196

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 2/19

1:30 am-9:50 am

1 stop21h 20m

Washington, D.C. Dulles Intl

Thu 2/27

11:50 am-5:00 am

1 stop28h 10m

$1,349

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 5/23

11:25 pm-5:35 pm

1 stop30h 10m

Washington, D.C. Dulles Intl

Thu 7/3

7:25 pm-4:05 pm

1 stop32h 40m

$1,353

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

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 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.

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 21, 2025.
Read through reviews of airlines operating flights from Singapore to Washington, D.C., such as Turkish Airlines, SWISS and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.5
Very good
1,039 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

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.

8.5
Very good
1,039 reviews
8.5
Very good
1,039 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

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.

8.4
Very good
852 reviews
8.5
Very good
1,039 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

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.

8.1
Very good
3,360 reviews
8.5
Very good
1,039 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

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.

8.0
Very good
8,521 reviews
8.5
Very good
1,039 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

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.

7.8
Good
1,341 reviews
8.5
Very good
1,039 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

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 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 ($489), Turkish Airlines ($682), and IndiGo ($713).

  • 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

Traveling to a place near Singapore?

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Browse thousands of different options on Cheapflights for your next trip

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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 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$870Average$1,466FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$1,333Average$1,372FlexibilityNo cancel feeOn-time68%
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