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Washington, D.C.

$454+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — WAS
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap 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 31, 2025.

Round-trip from

$747
(Air Canada)

One-way from

$454
(Booking.com)

Popular in

August

Cheapest in

September

Average price

$1,533
From Singapore to Washington, D.C. (WAS)
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One-way flight from Singapore to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 10% potential increase in price ($153 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 31, 2025.

This Air Canada deal was found by Cheapflights users on 7/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:50 amSIN - IAD
2 stops25h 09mAir Canada
Tue 1/209:55 amIAD - SIN
2 stops32h 05mAir Canada
Deal found 7/30$747
This Air Canada deal was found by Cheapflights users on 7/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/268:50 amSIN - DCA
2 stops37h 36mAir Canada
Sat 11/84:10 pmDCA - SIN
2 stops49h 50mAir Canada
Deal found 7/30$861
This CheapTickets deal was found by Cheapflights users on 7/28. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/121:25 pmSIN - BWI
2 stops29h 35mMultiple Airlines
Fri 9/195:45 amBWI - SIN
2 stops31h 05mMultiple Airlines
Deal found 7/28$878
This ANA deal was found by Cheapflights users on 7/29. 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 9/46:15 amSIN - IAD
2 stops26h 40mANA
Thu 9/1812:15 pmIAD - SIN
1 stop30h 25mANA
Deal found 7/29$927
This Air China deal was found by Cheapflights users on 7/29. 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 9/75:35 pmSIN - IAD
2 stops61h 55mAir China
Fri 9/1211:00 pmIAD - SIN
1 stop34h 55mAir China
Deal found 7/29$953
This Gotogate deal was found by Cheapflights users on 7/30. 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.
Tue 11/188:50 amSIN - IAD
2 stops25h 09mMultiple Airlines
Tue 1/201:30 pmIAD - SIN
1 stop30h 15mMultiple Airlines
Deal found 7/30$980
This FlightHub deal was found by Cheapflights users on 7/30. 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 11/178:20 amSIN - IAD
1 stop35h 30mAir India
Tue 1/2011:00 amIAD - SIN
1 stop31h 00mAir India
Deal found 7/30$1,019
This oojo deal was found by Cheapflights users on 7/30. 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 11/1810:25 amSIN - IAD
1 stop45h 50mTurkish Airlines
Tue 1/201:30 pmIAD - SIN
1 stop30h 15mTurkish Airlines
Deal found 7/30$1,051
This oojo deal was found by Cheapflights users on 7/30. 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.
Fri 10/312:00 amSIN - IAD
2 stops41h 23mChina Airlines
Sat 11/86:13 pmIAD - SIN
2 stops29h 52mChina Airlines
Deal found 7/30$1,052
This China Airlines deal was found by Cheapflights users on 7/30. 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 9/32:00 amSIN - DCA
2 stops50h 49mMultiple Airlines
Thu 9/188:00 amDCA - SIN
2 stops40h 35mMultiple Airlines
Deal found 7/30$1,094
This oojo deal was found by Cheapflights users on 7/31. 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.
Sat 9/61:10 pmSIN - BWI
2 stops28h 29mEVA Air
Sat 9/137:37 pmBWI - SIN
2 stops28h 23mEVA Air
Deal found 7/31$1,105
This lol.travel deal was found by Cheapflights users on 7/29. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:40 pmSIN - BWI
2 stops30h 34mUnited Airlines
Thu 9/188:55 amBWI - SIN
1 stop33h 20mUnited Airlines
Deal found 7/29$1,115

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 31, 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

Tue 11/18

8:50 am-8:59 pm

2 stops25h 09m

Washington, D.C. Dulles Intl

Tue 1/20

9:55 am-7:00 am

2 stops32h 05m

$747

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sun 10/26

8:50 am-10:26 am

2 stops37h 36m

Washington, D.C. Reagan-National

Sat 11/8

4:10 pm-7:00 am

2 stops49h 50m

$861

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Fri 9/12

1:25 pm-7:00 am

2 stops29h 35m

Baltimore/Washington

Fri 9/19

5:45 am-12:50 am

2 stops31h 05m

$878

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 9/4

6:15 am-8:55 pm

2 stops26h 40m

Washington, D.C. Dulles Intl

Thu 9/18

12:15 pm-6:40 am

1 stop30h 25m

$927

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 9/7

5:35 pm-7:30 pm

2 stops61h 55m

Washington, D.C. Dulles Intl

Fri 9/12

11:00 pm-9:55 pm

1 stop34h 55m

$953

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 11/18

8:50 am-8:59 pm

2 stops25h 09m

Washington, D.C. Dulles Intl

Tue 1/20

1:30 pm-8:45 am

1 stop30h 15m

$980

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 11/17

8:20 am-6:50 am

1 stop35h 30m

Washington, D.C. Dulles Intl

Tue 1/20

11:00 am-7:00 am

1 stop31h 00m

$1,019

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 11/18

10:25 am-7:15 pm

1 stop45h 50m

Washington, D.C. Dulles Intl

Tue 1/20

1:30 pm-8:45 am

1 stop30h 15m

$1,051

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 10/31

2:00 am-7:23 am

2 stops41h 23m

Washington, D.C. Dulles Intl

Sat 11/8

6:13 pm-1:05 pm

2 stops29h 52m

$1,052

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Wed 9/3

2:00 am-4:49 pm

2 stops50h 49m

Washington, D.C. Reagan-National

Thu 9/18

8:00 am-12:35 pm

2 stops40h 35m

$1,094

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 39 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, August is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of $241). Flying from Singapore to Washington, D.C. in March is currently the most expensive (average of $290). 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 31, 2025.
Get a feel of what it's like to fly with EVA Air, ANA, and Japan 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.
EVA Air
8.4
Very good
1,222 reviews

Entertainment

8.0

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,222 reviews
EVA Air
8.4
Very good
1,222 reviews

Entertainment

8.0

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.4
Very good
922 reviews
EVA Air
8.4
Very good
1,222 reviews

Entertainment

8.0

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,536 reviews
EVA Air
8.4
Very good
1,222 reviews

Entertainment

8.0

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
754 reviews
EVA Air
8.4
Very good
1,222 reviews

Entertainment

8.0

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Singapore Airlines
8.1
Very good
1,338 reviews
EVA Air
8.4
Very good
1,222 reviews

Entertainment

8.0

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 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 $454. However, be on the lookout for offers from IndiGo and Air Canada, 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, August is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of $241). Flying from Singapore to Washington, D.C. in March is currently the most expensive (average of $290). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Easton
Fairfax
Manassas
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Bowie

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.
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