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Cheap flights from Singapore to Washington, D.C. from S$ 701

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 22-12. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — WAS
11 Jan — 18 Jan1
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 12 December 2025.

Fri 19-1210:10SIN - IAD
2 stops25h 56mUnited Airlines
Fri 16-122:20IAD - SIN
1 stop44h 40mUnited Airlines
Deal found 11-12S$ 1,625
Fri 19-1210:10SIN - DCA
2 stops24h 42mUnited Airlines
Fri 16-117:59DCA - SIN
1 stop37h 16mUnited Airlines
Deal found 11-12S$ 1,625
Sun 14-1222:20SIN - IAD
2 stops35h 22mUnited Airlines
Tue 16-1208:20IAD - SIN
2 stops33h 35mUnited Airlines
Deal found 11-12S$ 1,675
Sun 14-1222:20SIN - DCA
2 stops33h 23mUnited Airlines
Tue 16-1208:30DCA - SIN
2 stops33h 25mUnited Airlines
Deal found 11-12S$ 1,675
Thu 25-1210:10SIN - IAD
2 stops25h 56mUnited Airlines
Sun 28-1218:37IAD - SIN
1 stop36h 38mUnited Airlines
Deal found 11-12S$ 1,761
Fri 19-1210:10SIN - IAD
2 stops25h 56mUnited Airlines
Tue 30-1222:05IAD - SIN
1 stop33h 10mUnited Airlines
Deal found 11-12S$ 1,765
Fri 19-1210:10SIN - DCA
2 stops24h 42mUnited Airlines
Tue 30-1207:00DCA - SIN
1 stop36h 00mUnited Airlines
Deal found 11-12S$ 1,765
Sat 13-1222:20SIN - IAD
2 stops35h 23mUnited Airlines
Tue 16-1208:20IAD - SIN
2 stops33h 35mUnited Airlines
Deal found 11-12S$ 1,775
Sat 13-1222:20SIN - DCA
2 stops28h 32mUnited Airlines
Tue 16-1208:30DCA - SIN
2 stops33h 25mUnited Airlines
Deal found 11-12S$ 1,775
Fri 19-1210:10SIN - BWI
1 stop32h 04mUnited Airlines
Fri 16-118:34BWI - SIN
1 stop36h 41mUnited Airlines
Deal found 11-12S$ 1,793
Fri 19-1210:15SIN - IAD
1 stop42h 40mMultiple Airlines
Fri 16-114:35IAD - SIN
1 stop30h 00mMultiple Airlines
Deal found 11-12S$ 1,814
Fri 19-1219:40SIN - IAD
2 stops36h 40mMultiple Airlines
Tue 30-1214:35IAD - SIN
3 stops29h 55mMultiple Airlines
Deal found 11-12S$ 1,916

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

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.

Round-trip from

S$ 1,198

One-way from

S$ 701

Popular in

February

Cheapest in

September

Average price

S$ 1,962
Etihad Airways
  • Etihad Airways
  • 24-1-31-1
  • 2 total stops
  • 56h 40m total
  • Singapore to Washington, D.C.
Search Deals
Air China
  • Air China
  • 22-12
  • 1 total stop
  • 37h 35m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (S$ 576 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (S$ 202 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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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 12 December 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

Fri 23-1

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Thu 5-2

14:35-09:35

1 stop30h 00m

S$ 1,214

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 14-5

21:10-09:45

1 stop24h 35m

Washington, D.C. Dulles Intl

Sat 8-8

15:35-09:15

1 stop29h 40m

S$ 1,244

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Thu 30-4

15:35-09:15

1 stop29h 40m

S$ 1,245

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 12-2

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Sun 15-2

14:35-09:35

1 stop30h 00m

S$ 1,269

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 23-1

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Mon 26-1

14:35-09:35

1 stop30h 00m

S$ 1,277

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 29-1

08:50-10:23

2 stops38h 33m

Washington, D.C. Reagan-National

Thu 5-2

06:59-00:55

2 stops28h 56m

S$ 1,295

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 12-3

19:25-10:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Sat 21-3

15:35-09:35

1 stop30h 00m

S$ 1,310

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 12-2

08:50-12:19

2 stops40h 29m

Washington, D.C. Reagan-National

Sun 15-2

20:40-06:55

2 stops45h 15m

S$ 1,320

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 13-3

19:25-10:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Fri 20-3

15:35-09:35

1 stop30h 00m

S$ 1,348

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Thu 12-3

15:45-17:46

2 stops38h 01m

Baltimore/Washington

Sat 21-3

18:55-14:30

2 stops31h 35m

S$ 1,406

Flights are sorted by cheapest return flights first.

Deals found on 11-12

Showing 1-10 of 46 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 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, March is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of S$ 1,059). Flying from Singapore to Washington, D.C. in November is currently the most expensive (average of S$ 2,859). 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.

How much does it cost for a return flight from Singapore to Washington, D.C.?

What’s the top stopover airport for flights from Singapore to Washington, D.C.?

Share of one-stop return flights from Singapore to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Istanbul (IST) – chosen by Cheapflights users on 30% of one-stop itineraries from Singapore to Washington, D.C. on Cheapflights.

What’s the cheapest stopover airport for flights from Singapore to Washington, D.C.?

Average return fare for one-stop flights from Singapore to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Jeddah (JED) is the most affordable one-stop option, with an average return flight price of S$ 1,087.

What’s the fastest stopover option from Singapore to Washington, D.C.?

Shortest average travel time for one-stop one-way flights from Singapore to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via San Francisco (SFO) have the shortest average one-way travel time for one-stop routes: 21h 59m.

Which airport typically offers the quickest stopover for flights from Singapore to Washington, D.C.?

Average stopover duration for one-stop one-way flights from Singapore to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 1h 13m.

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 12 December 2025.
Read reviews from past customers who have flown with United Airlines from Singapore to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

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 airport do you fly from for flights from Singapore to Washington, D.C.?

    Located just 16.9 km from the city centre, Singapore Changi is the airport most travellers will use when flying to Washington, D.C. from Singapore. Booking flights from Changi (SIN) to Washington, D.C. should be relatively easy as there are 0 daily outbound flights to Washington, D.C. from 6 different airlines.

  • How long is the flight from Singapore to Washington, D.C.?

    A quick flight from Singapore to Washington, D.C. can take about 26h 10m. Etihad Airways provides one of the quickest options available for as low as S$ 1,563. The distance between Singapore and Washington, D.C. is about 15496 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Singapore to Washington, D.C. round-trip?

    According to our current data, Turkish Airlines (S$ 1,248), Korean Air (S$ 1,277), and Air India (S$ 1,333) offers the cheapest pricing from Singapore to Washington, D.C.. Turkish Airlines is 25% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular routes from Singapore to Washington, D.C.?

    While some choose either Singapore Changi - Washington, D.C. Dulles Intl or Singapore Changi - Baltimore/Washington, Singapore Changi - Washington, D.C. Reagan-National is the most popular route from Singapore to Washington, D.C..

  • 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, March is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of S$ 1,059). Flying from Singapore to Washington, D.C. in November is currently the most expensive (average of S$ 2,859). 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

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Fly from Singapore to Washington, D.C. on these airlines

Choose from the following airlines for your flight from Singapore to Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
United Airlines flights from Singapore Changi to Washington, D.C.

Top 6 airlines flying from Singapore to Washington, D.C.

Discover the top 6 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapestS$ 1,248AverageS$ 1,488FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Korean AirCheapestS$ 1,277AverageS$ 1,968FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Air IndiaCheapestS$ 1,333AverageS$ 1,378FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Japan AirlinesCheapestS$ 1,415AverageS$ 1,522FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
United AirlinesCheapestS$ 1,430AverageS$ 1,612FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qatar AirwaysCheapestS$ 1,792AverageS$ 1,915FlexibilityNo 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 helps you search for flights from Singapore to Washington, D.C. via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Singapore to Washington, D.C. by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Washington, D.C. from Singapore shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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