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Washington, D.C.

$450+ Cheap flights from Singapore to Washington, D.C. (WAS)

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — WAS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Singapore to Washington, D.C.

Cheapest flights from Singapore to Washington, D.C.
Explore the most affordable flight options available from Singapore to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Gotogate deal was found by Cheapflights users on 12/16. 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.
Sun 12/287:25 pmSIN - IAD
1 stop26h 40mMultiple Airlines
Sun 1/119:15 pmIAD - SIN
2 stops31h 05mMultiple Airlines
Deal found 12/16$1,081
This Gotogate deal was found by Cheapflights users on 12/16. 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.
Sun 12/287:25 pmSIN - IAD
1 stop26h 40mEtihad Airways
Sun 1/112:35 pmIAD - SIN
1 stop30h 00mEtihad Airways
Deal found 12/16$1,125
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 12/2810:20 pmSIN - DCA
2 stops34h 12mUnited Airlines
Sun 1/115:59 pmDCA - SIN
1 stop37h 16mUnited Airlines
Deal found 12/16$1,252
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 12/2810:10 amSIN - BWI
1 stop24h 44mUnited Airlines
Sun 1/116:34 pmBWI - SIN
1 stop24h 26mUnited Airlines
Deal found 12/16$1,301
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/2310:20 pmSIN - IAD
3 stops46h 10mUnited Airlines
Sat 1/310:05 pmIAD - SIN
1 stop33h 10mUnited Airlines
Deal found 12/17$1,329
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/2310:20 pmSIN - DCA
2 stops32h 44mUnited Airlines
Sat 1/35:59 pmDCA - SIN
1 stop37h 16mUnited Airlines
Deal found 12/17$1,329
This Kissandfly.com deal was found by Cheapflights users on 12/18. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:10 amSIN - BWI
2 stops24h 16mLufthansa
Sun 1/1110:05 amBWI - SIN
2 stops45h 10mLufthansa
Deal found 12/18$1,343
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/1810:20 pmSIN - IAD
2 stops35h 34mUnited Airlines
Sat 1/36:01 pmIAD - SIN
1 stop37h 14mUnited Airlines
Deal found 12/17$1,369
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/1810:20 pmSIN - DCA
2 stops36h 32mUnited Airlines
Sat 1/35:59 pmDCA - SIN
1 stop37h 16mUnited Airlines
Deal found 12/17$1,369
This Booking.com deal was found by Cheapflights users on 12/15. 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.
Thu 12/1811:15 amSIN - IAD
2 stops45h 05mIndiGo
Sat 1/31:30 pmIAD - SIN
2 stops39h 15mIndiGo
Deal found 12/15$1,387
This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:40 pmSIN - IAD
2 stops36h 40mMultiple Airlines
Sat 1/36:10 pmIAD - SIN
3 stops35h 20mMultiple Airlines
Deal found 12/17$1,506
This Mytrip deal was found by Cheapflights users on 12/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:15 amSIN - IAD
2 stops45h 05mMultiple Airlines
Sat 1/36:10 pmIAD - SIN
3 stops31h 15mMultiple Airlines
Deal found 12/15$1,577

Find flight deals from Singapore to Washington, D.C.

Keep the following information in mind while searching for Singapore to Washington, D.C. flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$913
(Booking.com)

One-way from

$450
(Mytrip)

Popular in

February

Cheapest in

September

Average price

$1,518
Provider with most accurate pricing for Singapore Changi-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Singapore Changi-Washington, D.C. (WAS) flights.
Search Deals
From Singapore to Washington, D.C. (WAS)
Search Deals
One-way flight from Singapore to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($344 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($122 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Singapore to Washington, D.C. 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 December 18, 2025.
Use the filters below to find and compare flights from Singapore to Washington, D.C. that are best for you.

Fly from

Singapore

Fly to

Washington, D.C.

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 3/7

11:15 am-7:20 pm

2 stops45h 05m

Washington, D.C. Dulles Intl

Sat 3/14

10:15 pm-5:20 pm

2 stops31h 05m

$913

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 3/1

7:25 pm-9:05 am

1 stop26h 40m

Washington, D.C. Dulles Intl

Thu 4/30

3:35 pm-9:15 am

1 stop29h 40m

$963

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 5/14

9:10 pm-9:45 am

1 stop24h 35m

Washington, D.C. Dulles Intl

Sat 8/8

3:35 pm-9:15 am

1 stop29h 40m

$965

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 1/30

9:30 am-6:30 pm

1 stop22h 00m

Washington, D.C. Dulles Intl

Fri 2/6

10:00 pm-6:50 am

1 stop43h 50m

$966

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 2/19

7:25 pm-9:05 am

1 stop26h 40m

Washington, D.C. Dulles Intl

Mon 2/23

2:35 pm-9:35 am

1 stop30h 00m

$984

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 3/6

7:25 pm-9:05 am

1 stop26h 40m

Washington, D.C. Dulles Intl

Thu 3/12

3:35 pm-9:35 am

1 stop30h 00m

$985

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 3/10

7:25 pm-10:05 am

1 stop26h 40m

Washington, D.C. Dulles Intl

Thu 3/12

3:35 pm-9:35 am

1 stop30h 00m

$985

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 3/9

7:25 pm-10:05 am

1 stop26h 40m

Washington, D.C. Dulles Intl

Thu 3/12

3:35 pm-9:35 am

1 stop30h 00m

$985

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 2/12

7:25 pm-9:05 am

1 stop26h 40m

Washington, D.C. Dulles Intl

Sun 2/15

2:35 pm-9:35 am

1 stop30h 00m

$985

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 3/6

7:25 pm-9:05 am

1 stop26h 40m

Washington, D.C. Dulles Intl

Fri 3/13

3:35 pm-9:35 am

1 stop30h 00m

$985

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 54 results
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Best time to book a flight from Singapore to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

What is the cheapest month to book a flight from Singapore to Washington, D.C.?

Currently, March is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of $819). Flying from Singapore to Washington, D.C. in November is currently the most expensive (average of $2,212). 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.

Related info for your journey

Find useful and relevant information for your journey from Singapore to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Singapore to Washington, D.C.?

    Departing from Singapore to Washington, D.C. will take you 26h 40m. Airlines will cover a distance of 9644 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is SAUDIA, with whom users have recently found tickets for as low as $401. However, be on the lookout for offers from Air China and Korean Air, as they are both options that can get you from Singapore to Washington, D.C. for a low price.

  • What are the most popular routes from Singapore to Washington, D.C.?

    When deciding which route to take from Singapore to Washington, D.C. consider Singapore Changi - Washington, D.C. Reagan-National, Singapore Changi - Baltimore/Washington or Singapore Changi - Washington, D.C. Dulles Intl as they are the most popular.

  • Can I find deals for flights from Singapore to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Singapore to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Singapore to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Washington, D.C..

  • Can I find deals for business class flights from Singapore to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Singapore to Washington, D.C. 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.?

    Currently, March is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of $819). Flying from Singapore to Washington, D.C. in November is currently the most expensive (average of $2,212). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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Alternative routes for Singapore to Washington, D.C.

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