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Washington, D.C.

$456+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — WAS
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
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 May 21, 2026.

This United Airlines deal was found by Cheapflights users on 5/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/98:35 pm
SIN
-
IAD
2 stops34h 27m
United Airlines
Thu 7/912:15 pm
IAD
-
SIN
1 stop30h 25m
United Airlines
Deal found 5/19$1,002
This Expedia deal was found by Cheapflights users on 5/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:50 am
SIN
-
DCA
2 stops24h 07m
Air Canada
Thu 12/312:55 pm
DCA
-
SIN
2 stops29h 05m
Air Canada
Deal found 5/21$1,138
This oojo deal was found by Cheapflights users on 5/21. 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.
Tue 8/188:05 am
SIN
-
DCA
2 stops26h 54m
Japan Airlines
Fri 1/156:10 am
DCA
-
SIN
2 stops35h 25m
Japan Airlines
Deal found 5/21$1,142
This China Airlines deal was found by Cheapflights users on 5/21. 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.
Mon 10/191:45 pm
SIN
-
IAD
2 stops38h 48m
Multiple Airlines
Mon 10/267:00 am
IAD
-
SIN
2 stops42h 05m
Multiple Airlines
Deal found 5/21$1,147
This Cheapflightsfares deal was found by Cheapflights users on 5/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:50 pm
SIN
-
DCA
2 stops32h 10m
Japan Airlines
Sun 7/1210:13 am
DCA
-
SIN
2 stops31h 57m
Japan Airlines
Deal found 5/21$1,147
This oojo deal was found by Cheapflights users on 5/21. 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.
Mon 6/2211:25 pm
SIN
-
IAD
1 stop32h 05m
Air China
Fri 6/2611:00 pm
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 5/21$1,148
This Cheapflightsfares deal was found by Cheapflights users on 5/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/81:55 am
SIN
-
DCA
2 stops28h 05m
Japan Airlines
Tue 6/1610:14 am
DCA
-
SIN
2 stops26h 06m
Japan Airlines
Deal found 5/19$1,151
This oojo deal was found by Cheapflights users on 5/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:05 am
SIN
-
DCA
2 stops26h 54m
Japan Airlines
Fri 9/117:22 pm
DCA
-
SIN
2 stops46h 48m
Japan Airlines
Deal found 5/18$1,153
This American Airlines deal was found by Cheapflights users on 5/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/31:55 am
SIN
-
DCA
2 stops26h 35m
American Airlines
Wed 7/87:59 am
DCA
-
SIN
2 stops28h 21m
American Airlines
Deal found 5/17$1,161
This American Airlines deal was found by Cheapflights users on 5/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:55 am
SIN
-
DCA
2 stops26h 34m
American Airlines
Wed 9/308:20 am
DCA
-
SIN
2 stops28h 00m
American Airlines
Deal found 5/20$1,162
This Jettzy deal was found by Cheapflights users on 5/17. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:55 am
SIN
-
DCA
2 stops26h 34m
Japan Airlines
Wed 9/306:30 am
DCA
-
SIN
2 stops35h 40m
Japan Airlines
Deal found 5/17$1,174
This Jettzy deal was found by Cheapflights users on 5/19. 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.
Thu 8/278:05 am
SIN
-
BWI
2 stops45h 55m
Japan Airlines
Thu 9/106:15 am
BWI
-
SIN
2 stops30h 05m
Japan Airlines
Deal found 5/19$1,188

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 May 21, 2026.

Round-trip from

$1,002
(United Airlines)

One-way from

$456
(Air China)

Popular in

April

Cheapest in

August

Average price

$1,309
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. 16% potential increase in price ($257 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 21, 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

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Thu 8/27

8:05 am-6:00 pm

2 stops45h 55m

Baltimore/Washington

Thu 9/10

6:15 am-12:20 am

2 stops30h 05m

$1,188

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 6/2

1:55 am-4:30 pm

2 stops26h 35m

Washington, D.C. Reagan-National

Sun 6/21

6:00 am-6:10 am

2 stops36h 10m

$1,198

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Wed 7/15

1:45 pm-8:00 pm

2 stops42h 15m

Washington, D.C. Reagan-National

Tue 7/21

6:59 pm-12:35 am

2 stops41h 36m

$1,229

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 10/16

9:00 am-7:30 pm

1 stop22h 30m

Washington, D.C. Dulles Intl

Fri 10/16

11:00 pm-4:25 pm

1 stop29h 25m

$1,251

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Tue 9/1

1:45 pm-6:28 am

2 stops28h 43m

Baltimore/Washington

Wed 9/30

3:40 pm-12:35 pm

2 stops32h 55m

$1,282

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 9/1

1:45 pm-5:40 am

2 stops27h 55m

Washington, D.C. Dulles Intl

Wed 9/30

7:59 pm-12:35 pm

2 stops28h 36m

$1,290

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Tue 9/1

8:35 pm-11:45 am

2 stops27h 10m

Baltimore/Washington

Wed 9/30

6:52 pm-6:15 am

1 stop23h 23m

$1,320

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 7/2

1:45 pm-5:11 pm

2 stops39h 26m

Washington, D.C. Dulles Intl

Sun 7/12

6:03 am-12:35 pm

2 stops42h 32m

$1,332

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Wed 7/15

8:45 am-10:30 pm

1 stop25h 45m

Washington, D.C. Reagan-National

Tue 7/21

7:28 pm-6:35 pm

2 stops35h 07m

$1,387

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Fri 7/3

1:45 pm-11:30 pm

2 stops45h 45m

Washington, D.C. Reagan-National

Fri 7/10

6:59 pm-12:35 pm

2 stops29h 36m

$1,393

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 47 resultsSorted by cheapest first
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5

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, February is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of $760). Flying from Singapore to Washington, D.C. in July is currently the most expensive (average of $1,150). 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 May 21, 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
9,748 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,748 reviews
United Airlines
7.4
Good
9,748 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 22h 30m. 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 Air China, with whom users have recently found tickets for as low as $438. However, be on the lookout for offers from SWISS and EVA 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. 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, February is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of $760). Flying from Singapore to Washington, D.C. in July is currently the most expensive (average of $1,150). 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
Tysons
Owings Mills
Springfield
Arlington
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Hanover
Laurel
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Reston
Hunt Valley
Woodbridge

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Singapore to Washington, D.C.

Discover the top airline that operate flights from Singapore to Washington, D.C.. 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 May 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$1,079Average$1,246FlexibilityNo cancel feeOn-time67%

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