Find flights
When to book
Airlines
FAQs

Cheap flights from Singapore to Washington, D.C. from S$ 697

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 2-11. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — WAS
31 Aug — 7 Sep1
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 1 August 2026.

Fri 11-909:00
SIN
-
IAD
1 stop22h 30m
Air China
Fri 18-923:00
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 29-7S$ 1,020
Mon 21-917:55
SIN
-
IAD
1 stop37h 35m
Air China
Tue 13-1023:00
IAD
-
SIN
1 stop34h 55m
Air China
Deal found 29-7S$ 1,038
Mon 12-1023:25
SIN
-
IAD
1 stop32h 05m
Air China
Fri 16-1023:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 30-7S$ 1,051
Thu 3-923:25
SIN
-
IAD
1 stop32h 05m
Air China
Tue 8-923:00
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 29-7S$ 1,082
Thu 27-823:25
SIN
-
IAD
1 stop32h 05m
Air China
Tue 1-923:00
IAD
-
SIN
1 stop34h 55m
Air China
Deal found 27-7S$ 1,278
Mon 7-903:00
SIN
-
IAD
2 stops28h 30m
Air China
Tue 15-923:00
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 27-7S$ 1,286
Sun 15-1117:50
SIN
-
IAD
2 stops61h 40m
Air China
Fri 27-1122:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 27-7S$ 1,311
Sat 5-901:55
SIN
-
DCA
2 stops26h 34m
Japan Airlines
Mon 7-906:00
DCA
-
SIN
2 stops36h 10m
Japan Airlines
Deal found 29-7S$ 1,389
Mon 5-1021:50
SIN
-
DCA
2 stops30h 39m
Japan Airlines
Thu 22-1006:00
DCA
-
SIN
2 stops36h 10m
Japan Airlines
Deal found 31-7S$ 1,423
Mon 5-1021:50
SIN
-
DCA
2 stops30h 39m
Japan Airlines
Fri 23-1006:00
DCA
-
SIN
2 stops36h 35m
Japan Airlines
Deal found 29-7S$ 1,424
Thu 27-801:55
SIN
-
DCA
2 stops26h 34m
Japan Airlines
Fri 4-908:26
DCA
-
SIN
2 stops27h 54m
Japan Airlines
Deal found 31-7S$ 1,427
Mon 17-821:50
SIN
-
DCA
2 stops30h 39m
Japan Airlines
Fri 4-908:26
DCA
-
SIN
2 stops27h 54m
Japan Airlines
Deal found 28-7S$ 1,428

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 1 August 2026.

Round-trip from

S$ 1,020

One-way from

S$ 697

Popular in

July

Cheapest in

August

Average price

S$ 1,191
Air China
  • Air China
  • 11-9-18-9
  • 2 total stops
  • 51h 55m total
  • Singapore to Washington, D.C.
Search Deals
Air China
  • Air China
  • 2-11
  • 1 total stop
  • 31h 35m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (S$ 317 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (S$ 167 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 1 August 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

01:55-17:48

2 stops27h 53m

Washington, D.C. Dulles Intl

Mon 7-9

06:09-06:10

2 stops36h 01m

S$ 1,493

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Sun 20-9

01:55-13:05

2 stops47h 10m

Baltimore/Washington

Wed 23-9

11:23-06:10

2 stops30h 47m

S$ 1,493

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$ 1,493

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Wed 2-9

01:55-16:29

2 stops26h 34m

Washington, D.C. Reagan-National

Tue 8-9

09:45-00:20

2 stops26h 35m

S$ 1,497

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$ 1,500

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 31-8

01:55-18:03

2 stops28h 08m

Washington, D.C. Reagan-National

Wed 30-9

06:00-06:10

2 stops36h 10m

S$ 1,567

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 5-10

13:55-05:40

2 stops27h 45m

Washington, D.C. Dulles Intl

Thu 22-10

17:33-12:35

2 stops31h 02m

S$ 1,619

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 21-9

20:35-11:59

2 stops27h 24m

Washington, D.C. Reagan-National

Tue 13-10

17:45-06:15

1 stop24h 30m

S$ 1,627

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 5-10

20:35-11:25

2 stops26h 50m

Washington, D.C. Dulles Intl

Thu 22-10

06:35-18:35

1 stop24h 00m

S$ 1,628

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Sat 22-8

13:55-12:30

2 stops58h 35m

Baltimore/Washington

Fri 4-9

20:30-00:35

2 stops40h 05m

S$ 1,633

Flights are sorted by cheapest return flights first.

Deals found on 29-7

Showing 1-10 of 43 resultsSorted by cheapest first
1
2
3
...
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 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, August is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of S$ 1,191). Flying from Singapore to Washington, D.C. in November is currently the most expensive (average of S$ 4,009). 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.

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 42% 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.

Incheon (ICN) is the most affordable one-stop option, with an average return flight price of S$ 1,645.

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 Incheon (ICN) have the shortest average one-way travel time for one-stop routes: 21h 30m.

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 Incheon (ICN) offer the fastest connection on this route, with an average stopover time of 1h 16m.

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 1 August 2026.
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
10,062 reviews
Check prices

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

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
10,062 reviews
United Airlines
7.4
Good
10,062 reviews
Check prices

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

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.

  • 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 2 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 50m. Japan Airlines provides one of the quickest options available for as low as S$ 1,628. 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 cheapest airlines flying from Singapore to Washington, D.C. round-trip?

    According to our current data, Turkish Airlines (S$ 1,278), and Qatar Airways (S$ 1,778) offers the cheapest pricing from Singapore to Washington, D.C.. Turkish Airlines is 27% 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. Reagan-National or Singapore Changi - Washington, D.C. Dulles Intl, Singapore Changi - Baltimore/Washington 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, August is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of S$ 1,191). Flying from Singapore to Washington, D.C. in November is currently the most expensive (average of S$ 4,009). 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

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

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 1 August 2026.
United Airlines flights from Singapore Changi to Washington, D.C.

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 1 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapestS$ 1,278AverageS$ 1,495FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapestS$ 1,778AverageS$ 1,854FlexibilityNo 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.