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Washington, D.C.

$541+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — WAS
Aug 6 — Aug 131
Thu 8/6
Thu 8/13
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 July 7, 2026.

This ANA deal was found by Cheapflights users on 7/2. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:15 am
SIN
-
IAD
2 stops27h 05m
ANA
Wed 9/3012:15 pm
IAD
-
SIN
1 stop30h 25m
ANA
Deal found 7/2$924
This ANA deal was found by Cheapflights users on 7/7. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:00 pm
SIN
-
IAD
2 stops27h 55m
ANA
Mon 9/712:15 pm
IAD
-
SIN
1 stop30h 25m
ANA
Deal found 7/7$925
This Air China deal was found by Cheapflights users on 7/6. 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 7/1611:25 pm
SIN
-
IAD
1 stop32h 05m
Air China
Fri 8/1411:00 pm
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 7/6$1,065
This Air China deal was found by Cheapflights users on 7/6. 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.
Mon 7/135:55 pm
SIN
-
IAD
1 stop37h 35m
Air China
Tue 8/1111:00 pm
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 7/6$1,066
This Air China deal was found by Cheapflights users on 7/6. 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 7/155:30 pm
SIN
-
IAD
2 stops62h 00m
Air China
Fri 8/1411:00 pm
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 7/6$1,087
This oojo deal was found by Cheapflights users on 7/6. 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 8/169:50 pm
SIN
-
DCA
2 stops30h 39m
Japan Airlines
Sun 8/236:00 am
DCA
-
SIN
2 stops47h 45m
Japan Airlines
Deal found 7/6$1,113
This Bravofly deal was found by Cheapflights users on 7/5. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:55 am
SIN
-
DCA
2 stops50h 04m
Japan Airlines
Tue 8/119:00 am
DCA
-
SIN
2 stops44h 45m
Japan Airlines
Deal found 7/5$1,117
This Air China deal was found by Cheapflights users on 7/6. 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 7/163:00 am
SIN
-
IAD
2 stops28h 30m
Air China
Fri 8/1411:00 pm
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 7/6$1,141
This Air China deal was found by Cheapflights users on 7/6. 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.
Mon 7/131:30 pm
SIN
-
IAD
2 stops42h 00m
Air China
Fri 8/1411:00 pm
IAD
-
SIN
1 stop34h 55m
Air China
Deal found 7/6$1,142
This American Airlines deal was found by Cheapflights users on 7/5. 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 8/178:05 am
SIN
-
IAD
2 stops41h 57m
American Airlines
Mon 8/246:09 am
IAD
-
SIN
2 stops47h 36m
American Airlines
Deal found 7/5$1,152
This American Airlines deal was found by Cheapflights users on 7/6. 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.
Thu 8/278:05 am
SIN
-
BWI
2 stops27h 36m
American Airlines
Mon 9/711:54 am
BWI
-
SIN
2 stops30h 16m
American Airlines
Deal found 7/6$1,152
This Jettzy deal was found by Cheapflights users on 7/5. 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 9/19:50 pm
SIN
-
DCA
2 stops46h 09m
Japan Airlines
Wed 9/306:23 pm
DCA
-
SIN
2 stops47h 47m
Japan Airlines
Deal found 7/5$1,165

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 July 7, 2026.

Round-trip from

$924
(ANA)

One-way from

$541
(Mytrip)

Popular in

July

Cheapest in

August

Average price

$2,377
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. 10% potential increase in price ($166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($92 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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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 July 7, 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 - DCA

SINDCA

Singapore Changi

Thu 10/8

1:55 am-4:29 pm

2 stops26h 34m

Washington, D.C. Reagan-National

Sat 10/24

6:00 am-6:35 am

2 stops36h 35m

$1,170

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 9/1

9:50 pm-4:29 pm

2 stops30h 39m

Washington, D.C. Reagan-National

Wed 9/30

6:00 am-5:45 pm

2 stops47h 45m

$1,217

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 8/27

8:05 am-5:40 am

2 stops33h 35m

Washington, D.C. Dulles Intl

Mon 9/7

6:09 am-6:10 am

2 stops36h 01m

$1,225

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 9/1

10:25 am-7:50 pm

1 stop45h 25m

Washington, D.C. Dulles Intl

Wed 9/30

9:45 pm-8:45 am

1 stop23h 00m

$1,287

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 11/20

8:40 am-8:10 pm

2 stops24h 30m

Washington, D.C. Dulles Intl

Mon 11/23

9:55 am-6:55 am

2 stops32h 00m

$1,304

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 8/31

2:00 am-4:44 pm

2 stops50h 44m

Washington, D.C. Dulles Intl

Wed 9/30

6:26 pm-12:35 am

2 stops42h 09m

$1,350

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 10/9

10:25 am-7:50 pm

1 stop45h 25m

Washington, D.C. Dulles Intl

Sat 10/24

10:20 pm-9:55 am

1 stop23h 35m

$1,364

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 7/17

8:45 am-11:19 pm

2 stops26h 34m

Washington, D.C. Dulles Intl

Sat 8/15

10:10 pm-6:35 pm

1 stop32h 25m

$1,386

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Thu 8/27

8:35 pm-11:45 am

2 stops27h 10m

Baltimore/Washington

Mon 9/7

8:00 am-6:15 am

1 stop34h 15m

$1,394

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Wed 8/19

8:35 pm-11:45 am

2 stops27h 10m

Baltimore/Washington

Wed 8/26

8:00 am-6:15 am

1 stop34h 15m

$1,394

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/4

Showing 1-10 of 33 resultsSorted by cheapest first
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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, 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 June is currently the most expensive (average of $1,164). 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 July 7, 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
9,944 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,944 reviews
United Airlines
7.4
Good
9,944 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 05m. 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 June is currently the most expensive (average of $1,164). 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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Falls Church
Fredericksburg
Hanover
Laurel
Silver Spring
Clinton
Hunt Valley
Cordova
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 3 airlines flying from Singapore to Washington, D.C.

Discover the top 3 airlines 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 July 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$1,079Average$1,246FlexibilityNo cancel feeOn-time67%
EVA AirCheapest$1,188Average$1,489FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,219Average$1,584FlexibilityNo cancel feeOn-time69%

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