HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$508+ Cheap flights from Singapore (SIN) 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — WAS
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Singapore to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 October 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$870
(Air China)

One-way from

$508
(Trip.com)

Popular in

February

Cheapest in

September

Average price

$1,061
Provider with most accurate pricing for Singapore Changi-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Singapore Changi-Washington, D.C. (WAS) flights.
Search Deals
From Singapore Changi to Washington, D.C. (WAS)
Search Deals
One-way flight from Singapore Changi to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($74 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 27, 2025.

This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:15 pmSIN - IAD
1 stop38h 15mMultiple Airlines
Mon 12/19:15 pmIAD - SIN
2 stops48h 00mMultiple Airlines
Deal found 10/27$924
This Air Canada deal was found by Cheapflights users on 10/24. 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 11/118:50 amSIN - IAD
2 stops25h 04mAir Canada
Wed 12/3110:06 pmIAD - SIN
2 stops41h 24mAir Canada
Deal found 10/24$950
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:15 amSIN - IAD
2 stops45h 05mIndiGo
Mon 12/19:15 pmIAD - SIN
2 stops48h 00mIndiGo
Deal found 10/27$961
This Gotogate deal was found by Cheapflights users on 10/26. 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.
Sun 11/910:25 amSIN - IAD
1 stop45h 55mTurkish Airlines
Tue 11/251:30 pmIAD - SIN
1 stop30h 15mTurkish Airlines
Deal found 10/26$976
This SmartFares deal was found by Cheapflights users on 10/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:25 pmSIN - IAD
1 stop33h 05mEtihad Airways
Mon 12/19:10 pmIAD - SIN
1 stop23h 25mEtihad Airways
Deal found 10/27$986
This Gotogate deal was found by Cheapflights users on 10/26. 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.
Sun 11/98:50 amSIN - IAD
2 stops25h 04mAir Canada
Tue 11/259:00 amIAD - SIN
2 stops32h 55mAir Canada
Deal found 10/26$1,025
This China Airlines deal was found by Cheapflights users on 10/25. 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.
Sat 11/82:25 pmSIN - IAD
2 stops39h 15mMultiple Airlines
Thu 11/136:13 pmIAD - SIN
2 stops29h 52mMultiple Airlines
Deal found 10/25$1,028
This Etihad Airways deal was found by Cheapflights users on 10/26. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:25 pmSIN - IAD
1 stop33h 05mEtihad Airways
Wed 12/179:10 pmIAD - SIN
1 stop23h 25mEtihad Airways
Deal found 10/26$1,090
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/231:35 amSIN - IAD
2 stops35h 50mDelta
Mon 12/17:01 amIAD - SIN
2 stops32h 59mDelta
Deal found 10/27$1,091
This Gotogate deal was found by Cheapflights users on 10/25. 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.
Sun 12/1410:25 amSIN - IAD
1 stop38h 20mTurkish Airlines
Sun 1/41:30 pmIAD - SIN
1 stop39h 05mTurkish Airlines
Deal found 10/25$1,102
This Air Canada deal was found by Cheapflights users on 10/25. 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.
Sat 11/88:50 amSIN - DCA
2 stops38h 36mAir Canada
Thu 11/1311:05 amDCA - SIN
2 stops30h 55mAir Canada
Deal found 10/25$1,106
This China Airlines deal was found by Cheapflights users on 10/26. 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.
Sun 11/92:25 pmSIN - BWI
2 stops28h 53mMultiple Airlines
Tue 11/257:08 pmBWI - SIN
2 stops28h 57mMultiple Airlines
Deal found 10/26$1,120

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 October 27, 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

Mon 11/24

5:15 pm-6:30 pm

1 stop38h 15m

Washington, D.C. Dulles Intl

Mon 12/1

9:15 pm-10:15 am

2 stops48h 00m

$924

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 11/11

8:50 am-8:54 pm

2 stops25h 04m

Washington, D.C. Dulles Intl

Wed 12/31

10:06 pm-4:30 am

2 stops41h 24m

$950

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 3/10

1:35 am-10:50 am

1 stop21h 15m

Washington, D.C. Dulles Intl

Sun 3/15

12:50 pm-5:00 am

1 stop28h 10m

$980

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 3/12

8:50 am-10:26 am

2 stops37h 36m

Washington, D.C. Reagan-National

Mon 3/16

8:40 pm-7:00 am

2 stops46h 20m

$987

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 11/8

2:25 pm-4:40 pm

2 stops39h 15m

Washington, D.C. Dulles Intl

Thu 11/13

6:13 pm-1:05 pm

2 stops29h 52m

$1,028

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sun 3/1

8:50 am-10:26 am

2 stops38h 36m

Washington, D.C. Reagan-National

Thu 4/30

6:00 am-7:05 am

2 stops37h 05m

$1,077

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 4/9

9:10 am-10:19 am

2 stops37h 09m

Washington, D.C. Reagan-National

Tue 4/14

9:40 am-7:05 am

2 stops33h 25m

$1,082

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 3/1

2:25 pm-5:55 am

2 stops28h 30m

Washington, D.C. Dulles Intl

Thu 4/30

7:01 pm-12:35 pm

2 stops29h 34m

$1,087

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 4/7

9:10 am-12:06 pm

2 stops38h 56m

Washington, D.C. Reagan-National

Sun 4/19

4:10 pm-12:45 am

2 stops44h 35m

$1,089

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 3/10

1:35 am-7:12 pm

2 stops29h 37m

Washington, D.C. Dulles Intl

Sun 3/15

12:50 pm-5:00 am

1 stop28h 10m

$1,090

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 53 results
1
2
3
...
6

Compare providers for flights from Singapore to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Singapore to Washington, D.C. in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Singapore-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Singapore-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Singapore-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Singapore-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Singapore-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, May is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of $819). Flying from Singapore to Washington, D.C. in July is currently the most expensive (average of $1,267). 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.

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.?

    If you book a flight to Washington, D.C. from Singapore, you will be flying from Changi, which is the city’s only airport. Singapore Changi (SIN) is located 10.5 mi from the center of Singapore. There are 0 flights from Changi to Washington, D.C. per day from 0 different airlines.

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

    Departing from Singapore to Washington, D.C. will take you 21h 15m. Airlines will cover a distance of 9644 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Singapore to Washington, D.C. one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $553. However, be on the lookout for offers from IndiGo and Korean Air, 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.?

    The most popular flight routes from Singapore to Washington, D.C. are Singapore Changi - Washington, D.C. Dulles Intl, Singapore Changi - Baltimore/Washington and Singapore Changi - Washington, D.C. Reagan-National.

  • 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, May is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of $819). Flying from Singapore to Washington, D.C. in July is currently the most expensive (average of $1,267). 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
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Silver Spring
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf

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.

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

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.