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Washington, D.C.

$524+ Cheap flights from Singapore (SIN) 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — WAS
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/53:00 am
SIN
-
IAD
2 stops28h 30m
Air China
Fri 3/1311:00 pm
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 1/20$968
This lastminute.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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2510:15 am
SIN
-
IAD
1 stop38h 30m
Turkish Airlines
Mon 2/99:15 pm
IAD
-
SIN
1 stop23h 45m
Turkish Airlines
Deal found 1/21$988
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:10 am
SIN
-
IAD
1 stop36h 25m
Turkish Airlines
Sun 5/39:45 pm
IAD
-
SIN
1 stop23h 00m
Turkish Airlines
Deal found 1/20$1,003
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.
Fri 3/611:40 am
SIN
-
IAD
1 stop37h 05m
Turkish Airlines
Fri 3/1310:15 pm
IAD
-
SIN
1 stop22h 20m
Turkish Airlines
Deal found 1/20$1,013
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/25:50 pm
SIN
-
IAD
2 stops37h 40m
Air China
Tue 2/310:00 pm
IAD
-
SIN
2 stops42h 30m
Air China
Deal found 1/21$1,042
This China Airlines 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/271:45 pm
SIN
-
BWI
2 stops27h 59m
Multiple Airlines
Sun 5/37:16 pm
BWI
-
SIN
2 stops29h 19m
Multiple Airlines
Deal found 1/20$1,042
This China 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/252:25 pm
SIN
-
IAD
2 stops39h 01m
Multiple Airlines
Mon 2/96:04 pm
IAD
-
SIN
2 stops30h 01m
Multiple Airlines
Deal found 1/21$1,046
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/710:15 am
SIN
-
IAD
1 stop38h 30m
Turkish Airlines
Sat 3/142:30 pm
IAD
-
SIN
1 stop31h 30m
Turkish Airlines
Deal found 1/21$1,050
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.
Mon 2/210:55 am
SIN
-
IAD
1 stop35h 15m
United Airlines
Tue 2/312:50 pm
IAD
-
SIN
2 stops30h 10m
United Airlines
Deal found 1/21$1,054
This China 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/72:25 pm
SIN
-
BWI
2 stops27h 35m
Multiple Airlines
Sat 3/146:46 pm
BWI
-
SIN
2 stops30h 19m
Multiple Airlines
Deal found 1/21$1,062
This China Airlines 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:00 am
SIN
-
IAD
2 stops41h 34m
Multiple Airlines
Sat 8/85:01 pm
IAD
-
SIN
2 stops31h 34m
Multiple Airlines
Deal found 1/20$1,083
This Jettzy deal was found by Cheapflights users on 1/19. 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.
Tue 9/13:20 pm
SIN
-
BWI
2 stops27h 01m
Multiple Airlines
Wed 9/307:10 pm
BWI
-
SIN
2 stops28h 45m
Multiple Airlines
Deal found 1/19$1,087

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

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Washington, D.C. (WAS). 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, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$945
(Air China)

One-way from

$524
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$1,219
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 Changi to Washington, D.C. (WAS)
Search Deals
One-way flight from Singapore Changi to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 21, 2026.
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

Fri 3/6

11:40 am-11:45 am

1 stop37h 05m

Washington, D.C. Dulles Intl

Fri 3/13

10:15 pm-8:35 am

1 stop22h 20m

$1,013

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 4/27

1:45 pm-5:50 am

2 stops28h 05m

Washington, D.C. Dulles Intl

Sun 5/3

7:20 pm-12:35 pm

2 stops29h 15m

$1,042

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Mon 4/27

1:45 pm-5:44 am

2 stops27h 59m

Baltimore/Washington

Sun 5/3

7:16 pm-12:35 pm

2 stops29h 19m

$1,042

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 3/7

10:15 am-11:45 am

1 stop38h 30m

Washington, D.C. Dulles Intl

Sat 3/14

2:30 pm-10:00 am

1 stop31h 30m

$1,050

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 2/2

10:55 am-9:10 am

1 stop35h 15m

Washington, D.C. Dulles Intl

Tue 2/3

12:50 pm-8:00 am

2 stops30h 10m

$1,054

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Sat 3/7

2:25 pm-5:00 am

2 stops27h 35m

Baltimore/Washington

Sat 3/14

6:46 pm-1:05 pm

2 stops30h 19m

$1,062

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 5/13

2:00 am-7:34 am

2 stops41h 34m

Washington, D.C. Dulles Intl

Sat 8/8

5:01 pm-12:35 pm

2 stops31h 34m

$1,083

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 2/2

10:20 pm-11:29 am

2 stops26h 09m

Washington, D.C. Reagan-National

Tue 2/3

2:00 pm-8:00 am

2 stops29h 00m

$1,088

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 3/1

10:15 am-7:20 pm

1 stop46h 05m

Washington, D.C. Dulles Intl

Thu 4/30

9:45 pm-9:30 am

1 stop23h 45m

$1,121

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Sun 5/3

1:45 pm-5:44 am

2 stops27h 59m

Baltimore/Washington

Wed 5/13

6:25 pm-12:35 pm

2 stops30h 10m

$1,138

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 53 results
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  • Most accurate provider: When it comes to deals on Singapore-Washington, D.C. 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. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Singapore-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Singapore-Washington, D.C. 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. 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 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 $778). 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.

How much does it cost to fly round-trip from Singapore to Washington, D.C.?

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.

  • What airport do you fly from for flights from Singapore to Washington, D.C.?

    If you book a flight to Washington, D.C. 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. per day from 0 different airlines.

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

    Departing from Singapore to Washington, D.C. will take you 35h 15m. 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 SWISS, 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.?

    The most popular flight routes from Singapore to Washington, D.C. are Singapore Changi - Baltimore/Washington, Singapore Changi - Washington, D.C. Reagan-National and Singapore Changi - Washington, D.C. Dulles Intl.

  • 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 $778). 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
Silver Spring
Hanover
Herndon
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

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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.
Singapore to Reagan-National flights
Singapore to Dulles Intl flights

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