Find flights
When to book
Airlines
FAQs

Cheap flights from Singapore to Washington, D.C. from S$ 798

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 11-5. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — WAS
28 May — 4 Jun1
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 28 April 2026.

Tue 1-911:05
SIN
-
IAD
1 stop35h 00m
ANA
Wed 30-908:35
IAD
-
SIN
2 stops26h 45m
ANA
Deal found 24-4S$ 1,184
Fri 23-1009:00
SIN
-
IAD
1 stop22h 30m
Multiple Airlines
Tue 23-220:05
IAD
-
SIN
1 stop23h 40m
Multiple Airlines
Deal found 27-4S$ 1,443
Fri 23-1008:05
SIN
-
DCA
2 stops26h 55m
American Airlines
Tue 23-215:21
DCA
-
SIN
2 stops26h 14m
American Airlines
Deal found 27-4S$ 1,497
Wed 17-608:05
SIN
-
DCA
2 stops26h 14m
American Airlines
Wed 24-608:33
DCA
-
SIN
2 stops27h 47m
American Airlines
Deal found 25-4S$ 1,506
Mon 18-501:55
SIN
-
DCA
2 stops25h 57m
Japan Airlines
Mon 22-618:40
DCA
-
SIN
2 stops47h 30m
Japan Airlines
Deal found 28-4S$ 1,515
Thu 20-801:55
SIN
-
DCA
2 stops50h 04m
Japan Airlines
Fri 28-806:00
DCA
-
SIN
2 stops30h 20m
Japan Airlines
Deal found 28-4S$ 1,520
Sun 31-501:55
SIN
-
DCA
2 stops33h 18m
Japan Airlines
Mon 8-606:00
DCA
-
SIN
2 stops36h 10m
Japan Airlines
Deal found 24-4S$ 1,530
Fri 23-1015:20
SIN
-
BWI
2 stops27h 01m
Multiple Airlines
Tue 23-218:11
BWI
-
SIN
2 stops28h 54m
Multiple Airlines
Deal found 27-4S$ 1,534
Wed 17-608:05
SIN
-
DCA
2 stops26h 14m
Japan Airlines
Thu 24-907:44
DCA
-
SIN
2 stops28h 36m
Japan Airlines
Deal found 25-4S$ 1,534
Fri 15-501:30
SIN
-
IAD
2 stops42h 04m
Multiple Airlines
Sat 23-521:00
IAD
-
SIN
1 stop31h 15m
Multiple Airlines
Deal found 28-4S$ 1,543
Fri 15-501:30
SIN
-
IAD
2 stops42h 04m
Multiple Airlines
Fri 22-521:00
IAD
-
SIN
1 stop31h 15m
Multiple Airlines
Deal found 25-4S$ 1,545
Tue 1-921:50
SIN
-
DCA
2 stops30h 09m
Japan Airlines
Wed 30-906:30
DCA
-
SIN
2 stops47h 15m
Japan Airlines
Deal found 27-4S$ 1,553

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 28 April 2026.

Round-trip from

S$ 1,184

One-way from

S$ 798

Popular in

April

Cheapest in

September

Average price

S$ 2,245
ANA
  • ANA
  • 1-9-30-9
  • 3 total stops
  • 61h 45m total
  • Singapore to Washington, D.C.
Search Deals
11-5
  • 11-5
  • 3 total stops
  • 57h 18m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (S$ 340 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (S$ 70 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 28 April 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 - DCA

SINDCA

Singapore Changi

Sat 22-8

01:55-16:29

2 stops26h 34m

Washington, D.C. Reagan-National

Fri 28-8

06:00-06:10

2 stops36h 10m

S$ 1,518

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 15-5

01:30-07:34

2 stops42h 04m

Washington, D.C. Dulles Intl

Sat 23-5

21:00-16:15

1 stop31h 15m

S$ 1,543

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Tue 16-6

21:50-15:21

2 stops29h 31m

Baltimore/Washington

Thu 24-9

11:25-06:10

2 stops30h 45m

S$ 1,665

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Tue 16-6

21:50-15:21

2 stops29h 31m

Baltimore/Washington

Wed 23-9

11:25-06:10

2 stops30h 45m

S$ 1,665

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 16-6

21:50-13:52

2 stops28h 02m

Washington, D.C. Reagan-National

Mon 21-9

19:22-17:45

2 stops34h 23m

S$ 1,665

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 17-9

08:45-21:53

1 stop25h 08m

Washington, D.C. Reagan-National

Mon 21-9

06:00-06:15

2 stops36h 15m

S$ 1,669

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Tue 1-9

20:35-07:13

1 stop22h 38m

Baltimore/Washington

Wed 30-9

18:52-06:15

1 stop23h 23m

S$ 1,692

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 25-5

12:30-08:40

2 stops32h 10m

Washington, D.C. Dulles Intl

Mon 1-6

10:55-20:30

2 stops45h 35m

S$ 1,728
Fastest return journey

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Wed 17-6

20:35-07:10

1 stop22h 35m

Baltimore/Washington

Tue 22-9

18:59-06:15

1 stop23h 16m

S$ 1,798

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 19-6

21:30-08:40

2 stops47h 10m

Washington, D.C. Dulles Intl

Sat 27-6

10:55-20:30

2 stops45h 35m

S$ 1,806

Flights are sorted by cheapest return flights first.

Deals found on 23-4

Showing 1-10 of 55 resultsSorted by cheapest first
1
2
3
...
6

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$ 970). Flying from Singapore to Washington, D.C. in July is currently the most expensive (average of S$ 1,450). 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 37% 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.

New Delhi (DEL) is the most affordable one-stop option, with an average return flight price of S$ 1,364.

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: 22h 18m.

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 26m.

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 28 April 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
9,672 reviews
Check prices

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,672 reviews
United Airlines
7.4
Good
9,672 reviews
Check prices

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 3 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 25h 08m. Japan Airlines provides one of the quickest options available for as low as S$ 1,669. The distance between Singapore and Washington, D.C. is about 15532 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$ 1,271), Japan Airlines (S$ 1,404), and Qatar Airways (S$ 1,769) offers the cheapest pricing from Singapore to Washington, D.C.. Turkish Airlines is 23% 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 - Baltimore/Washington or Singapore Changi - Washington, D.C. Reagan-National, Singapore Changi - Washington, D.C. Dulles Intl 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, February is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of S$ 970). Flying from Singapore to Washington, D.C. in July is currently the most expensive (average of S$ 1,450). 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 28 April 2026.
United Airlines flights from Singapore Changi to Washington, D.C.

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 200,618 searches. Data last updated 28 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapestS$ 1,271AverageS$ 1,487FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Japan AirlinesCheapestS$ 1,404AverageS$ 1,584FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Qatar AirwaysCheapestS$ 1,769AverageS$ 1,888FlexibilityNo 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.