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Washington, D.C.

$608+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — WAS
Apr 25 — May 21
Sat 4/25
Sat 5/2
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 March 26, 2026.

This Air China deal was found by Cheapflights users on 3/24. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/53:00 am
SIN
-
IAD
2 stops52h 30m
Air China
Tue 4/2111:00 pm
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 3/24$1,007
This Air China deal was found by Cheapflights users on 3/24. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:25 pm
SIN
-
IAD
1 stop32h 05m
Air China
Tue 4/2111:00 pm
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 3/24$1,048
This Booking.com deal was found by Cheapflights users on 3/24. 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.
Sun 9/65:25 am
SIN
-
IAD
1 stop42h 10m
Turkish Airlines
Fri 9/111:20 pm
IAD
-
SIN
1 stop40h 35m
Turkish Airlines
Deal found 3/24$1,056
This Air China deal was found by Cheapflights users on 3/24. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/83:00 pm
SIN
-
IAD
2 stops64h 30m
Air China
Tue 4/2111:00 pm
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 3/24$1,059
This Booking.com deal was found by Cheapflights users on 3/24. 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.
Sun 9/61:30 pm
SIN
-
IAD
2 stops66h 00m
Air China
Fri 9/1111:00 pm
IAD
-
SIN
1 stop34h 55m
Air China
Deal found 3/24$1,081
This United Airlines deal was found by Cheapflights users on 3/21. 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 5/58:35 pm
SIN
-
IAD
1 stop23h 00m
United Airlines
Tue 5/1210:30 pm
IAD
-
SIN
2 stops32h 05m
United Airlines
Deal found 3/21$1,105
This Air China deal was found by Cheapflights users on 3/24. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:00 am
SIN
-
IAD
2 stops28h 30m
Air China
Tue 4/2111:00 pm
IAD
-
SIN
1 stop34h 55m
Air China
Deal found 3/24$1,111
This United Airlines deal was found by Cheapflights users on 3/22. 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 10/2910:20 pm
SIN
-
DCA
1 stop35h 33m
United Airlines
Sun 11/12:50 pm
DCA
-
SIN
2 stops40h 25m
United Airlines
Deal found 3/22$1,128
This Air China deal was found by Cheapflights users on 3/24. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/53:00 am
SIN
-
IAD
2 stops52h 30m
Air China
Fri 4/2411:00 pm
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 3/24$1,130
This United Airlines deal was found by Cheapflights users on 3/26. 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 5/148:35 pm
SIN
-
IAD
1 stop23h 00m
United Airlines
Sat 8/810:20 pm
IAD
-
SIN
2 stops32h 15m
United Airlines
Deal found 3/26$1,131
This United Airlines deal was found by Cheapflights users on 3/25. 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 9/248:35 pm
SIN
-
DCA
1 stop32h 21m
United Airlines
Mon 9/287:50 pm
DCA
-
SIN
2 stops34h 45m
United Airlines
Deal found 3/25$1,131
This United Airlines deal was found by Cheapflights users on 3/25. 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 5/38:35 pm
SIN
-
IAD
1 stop37h 52m
United Airlines
Sat 5/910:30 pm
IAD
-
SIN
2 stops32h 05m
United Airlines
Deal found 3/25$1,145

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 March 26, 2026.

Round-trip from

$1,007
(Air China)

One-way from

$608
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$1,487
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. 14% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 26, 2026.
Use the filters below to find and compare flights from Singapore to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 5/5

8:35 pm-7:35 am

1 stop23h 00m

Washington, D.C. Dulles Intl

Tue 5/12

10:30 pm-6:35 pm

2 stops32h 05m

$1,105

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 5/4

2:20 am-8:29 pm

2 stops30h 09m

Washington, D.C. Dulles Intl

Tue 5/12

3:10 pm-6:50 am

2 stops27h 40m

$1,206

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 7/1

8:35 pm-7:30 am

1 stop22h 55m

Washington, D.C. Dulles Intl

Sun 8/2

10:20 pm-6:35 pm

2 stops32h 15m

$1,206

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Tue 9/1

8:35 pm-7:13 am

1 stop22h 38m

Baltimore/Washington

Wed 9/30

6:31 pm-6:35 pm

1 stop36h 04m

$1,224

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Tue 5/5

9:00 am-11:27 pm

2 stops26h 27m

Baltimore/Washington

Tue 5/12

6:05 am-6:35 pm

1 stop24h 30m

$1,228

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Wed 5/20

1:45 pm-8:06 pm

2 stops42h 21m

Washington, D.C. Reagan-National

Wed 5/27

6:59 pm-12:35 pm

2 stops29h 36m

$1,306

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Wed 5/20

1:45 pm-2:05 pm

2 stops36h 20m

Baltimore/Washington

Wed 5/27

6:25 pm-12:35 pm

2 stops30h 10m

$1,340

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 4/9

11:25 pm-7:30 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

Wed 4/22

3:10 pm-9:40 am

1 stop30h 30m

$1,365

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 7/2

9:50 pm-4:29 pm

2 stops30h 39m

Washington, D.C. Reagan-National

Fri 7/17

6:30 am-6:10 am

2 stops35h 40m

$1,373

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 4/10

2:20 am-3:45 pm

1 stop25h 25m

Washington, D.C. Dulles Intl

Sat 4/25

6:40 pm-3:30 pm

1 stop32h 50m

$1,386

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 54 resultsSorted by cheapest first
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6

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, May is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of $761). 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.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated March 26, 2026.
Get a feel of what it's like to fly with United Airlines from Singapore to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,484 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,484 reviews
United Airlines
7.4
Good
9,484 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 27h 10m. Airlines will cover a distance of 9629 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.?

    When deciding which route to take from Singapore to Washington, D.C. consider Singapore Changi - Washington, D.C. Dulles Intl, Singapore Changi - Baltimore/Washington or Singapore Changi - Washington, D.C. Reagan-National 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, May is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of $761). 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
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park
Cordova

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