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Cheap flights from Singapore to Washington, D.C. from S$ 683

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 15-10. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — WAS
22 Aug — 29 Aug1
1 adult
1 adult, Economy, 0 bags

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

Enter your travel dates to find the best prices.

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 23 July 2026.

Mon 19-1017:55
SIN
-
IAD
1 stop37h 35m
Air China
Tue 3-1122:00
IAD
-
SIN
1 stop34h 55m
Air China
Deal found 21-7S$ 1,131
Thu 22-1017:55
SIN
-
IAD
1 stop37h 35m
Air China
Fri 30-1023:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 21-7S$ 1,208
Mon 19-1023:25
SIN
-
IAD
1 stop32h 05m
Air China
Fri 30-1023:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 21-7S$ 1,290
Fri 4-909:00
SIN
-
IAD
1 stop22h 30m
Air China
Fri 11-923:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 21-7S$ 1,332
Thu 3-917:55
SIN
-
IAD
1 stop37h 35m
Multiple Airlines
Thu 10-915:10
IAD
-
SIN
1 stop30h 30m
Multiple Airlines
Deal found 20-7S$ 1,358
Thu 15-1003:00
SIN
-
IAD
2 stops28h 30m
Air China
Fri 30-1023:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 21-7S$ 1,388
Mon 5-1021:50
SIN
-
DCA
2 stops30h 39m
Japan Airlines
Thu 22-1006:00
DCA
-
SIN
2 stops36h 10m
Japan Airlines
Deal found 18-7S$ 1,420
Thu 22-1017:55
SIN
-
IAD
1 stop37h 35m
Air China
Tue 3-1122:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 21-7S$ 1,425
Fri 4-901:55
SIN
-
DCA
2 stops26h 34m
Japan Airlines
Sat 12-906:00
DCA
-
SIN
2 stops36h 10m
Japan Airlines
Deal found 22-7S$ 1,427
Wed 19-821:50
SIN
-
DCA
2 stops30h 39m
Japan Airlines
Tue 25-808:26
DCA
-
SIN
2 stops27h 54m
Japan Airlines
Deal found 20-7S$ 1,432
Thu 27-808:05
SIN
-
IAD
2 stops26h 47m
Japan Airlines
Mon 7-906:09
IAD
-
SIN
2 stops30h 11m
Japan Airlines
Deal found 19-7S$ 1,437
Wed 21-1015:00
SIN
-
IAD
2 stops64h 30m
Air China
Fri 30-1023:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 21-7S$ 1,454

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 23 July 2026.

Round-trip from

S$ 1,131

One-way from

S$ 683

Popular in

July

Cheapest in

August

Average price

S$ 3,212
Air China
  • Air China
  • 19-10-3-11
  • 2 total stops
  • 72h 30m total
  • Singapore to Washington, D.C.
Search Deals
Air China
  • Air China
  • 15-10
  • 1 total stop
  • 37h 35m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (S$ 322 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (S$ 170 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 200,618 searches. Data last updated 23 July 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 return flight

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 26-8

01:55-14:02

2 stops24h 07m

Washington, D.C. Dulles Intl

Mon 7-9

06:09-06:10

2 stops36h 01m

S$ 1,504

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 10-9

21:50-18:03

2 stops32h 13m

Washington, D.C. Reagan-National

Mon 14-9

07:40-06:10

2 stops34h 30m

S$ 1,504

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Tue 20-10

01:55-17:51

2 stops27h 56m

Baltimore/Washington

Sun 25-10

07:17-06:35

2 stops35h 18m

S$ 1,505

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 31-8

01:55-16:29

2 stops26h 34m

Washington, D.C. Reagan-National

Wed 30-9

07:40-00:20

2 stops28h 40m

S$ 1,508

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Mon 5-10

01:55-15:06

2 stops25h 11m

Baltimore/Washington

Fri 23-10

07:17-00:20

2 stops29h 03m

S$ 1,509

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 14-10

03:15-23:59

2 stops32h 44m

Washington, D.C. Dulles Intl

Sun 18-10

21:00-15:45

1 stop30h 45m

S$ 1,529

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Wed 14-10

01:55-15:06

2 stops25h 11m

Baltimore/Washington

Sun 18-10

07:17-00:20

2 stops29h 03m

S$ 1,579

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 6-9

14:00-05:40

2 stops27h 40m

Washington, D.C. Dulles Intl

Sun 20-9

17:57-12:50

2 stops30h 53m

S$ 1,632

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 6-10

08:45-22:59

2 stops26h 14m

Washington, D.C. Dulles Intl

Thu 22-10

06:35-18:35

1 stop24h 00m

S$ 1,638

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 15-10

13:45-05:40

2 stops27h 55m

Washington, D.C. Dulles Intl

Sun 18-10

17:33-12:35

2 stops31h 02m

S$ 1,638

Flights are sorted by cheapest return flights first.

Deals found on 22-7

Showing 1-10 of 49 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 return 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 S$ 1,361). Flying from Singapore to Washington, D.C. in November is currently the most expensive (average of S$ 4,035). 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 23 July 2026.
Check out reviews from past customers who have flown with United Airlines from Singapore to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,020 reviews
Check prices

Crew

8.1

Food

6.7

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

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
10,020 reviews
United Airlines
7.4
Good
10,020 reviews
Check prices

Crew

8.1

Food

6.7

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

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.?

    A quick flight from Singapore to Washington, D.C. can take about 27h 40m. Japan Airlines provides one of the quickest options available for as low as S$ 1,632. The distance between Singapore and Washington, D.C. is about 15521 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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 - Baltimore/Washington, Singapore Changi - Washington, D.C. Dulles Intl 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 holiday 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 S$ 1,361). Flying from Singapore to Washington, D.C. in November is currently the most expensive (average of S$ 4,035). 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

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 Dulles Intl flights
Singapore to Reagan-National flights

Top 2 airlines flying from Singapore to Washington, D.C.

Discover the top 2 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 200,618 searches. Data last updated 23 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapestS$ 1,286AverageS$ 1,504FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapestS$ 1,789AverageS$ 1,865FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Singapore to Washington, D.C.?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Singapore to Washington, D.C.. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Singapore to Washington, D.C.?

Cheapflights helps you find that perfect flight to Washington, D.C. from Singapore by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Singapore to Washington, D.C. with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Singapore to Washington, D.C. flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Singapore to Washington, D.C. become cheaper?

Yes! Start tracking prices for Singapore to Washington, D.C. flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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