Cheap Flights from Singapore (SIN) to Washington (IAD) from HK$4,263~

View HK$4,263 flight on Sun, 15 Feb 2026Opens in a new window

Popular airlines from Singapore Changi Airport (SIN) to Washington Dulles Intl. Airport (IAD)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find Cheap Flights from Singapore (SIN) to Washington (IAD)

Prices were available within the past 7 days and start at HK$4,263 for one-way flights and HK$7,075 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 4 Sep - Thu, 18 Sep
SIN
Singapore
IAD
Washington
HK$7,075 Return, found 6 days ago
HK$7,075
Return
found 6 days ago
Select Air Canada flight, departing Thu, 4 Sep from Singapore to Washington, returning Thu, 18 Sep, priced at HK$7,075 found 6 days ago
Air Canada
Thu, 4 Sep - Thu, 18 Sep
SIN
Singapore
IAD
Washington
HK$7,127 Return, found 6 days ago
HK$7,127
Return
found 6 days ago
Select Air Canada flight, departing Thu, 4 Sep from Singapore to Washington, returning Thu, 18 Sep, priced at HK$7,127 found 6 days ago
Air Canada
Thu, 4 Sep - Thu, 18 Sep
SIN
Singapore
IAD
Washington
HK$7,253 Return, found 6 days ago
HK$7,253
Return
found 6 days ago
Select Air Canada flight, departing Thu, 4 Sep from Singapore to Washington, returning Thu, 18 Sep, priced at HK$7,253 found 6 days ago
Air India
Wed, 5 Nov - Tue, 11 Nov
SIN
Singapore
IAD
Washington
HK$8,835 Return, found 3 days ago
HK$8,835
Return
found 3 days ago
Select Air India flight, departing Wed, 5 Nov from Singapore to Washington, returning Tue, 11 Nov, priced at HK$8,835 found 3 days ago
Turkish Airlines
Wed, 5 Nov - Tue, 11 Nov
SIN
Singapore
IAD
Washington
HK$9,166 Return, found 3 days ago
HK$9,166
Return
found 3 days ago
Select Turkish Airlines flight, departing Wed, 5 Nov from Singapore to Washington, returning Tue, 11 Nov, priced at HK$9,166 found 3 days ago
Etihad Airways
Thu, 4 Sep - Thu, 18 Sep
SIN
Singapore
IAD
Washington
HK$10,367 Return, found 6 days ago
HK$10,367
Return
found 6 days ago
Select Etihad Airways flight, departing Thu, 4 Sep from Singapore to Washington, returning Thu, 18 Sep, priced at HK$10,367 found 6 days ago
Swiss International Air Lines
Wed, 5 Nov - Tue, 11 Nov
SIN
Singapore
IAD
Washington
HK$10,403 Return, found 3 days ago
HK$10,403
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Wed, 5 Nov from Singapore to Washington, returning Tue, 11 Nov, priced at HK$10,403 found 3 days ago
Lufthansa
Sun, 15 Feb - Sun, 15 Mar
SIN
Singapore
IAD
Washington
HK$10,449 Return, found 1 hour ago
HK$10,449
Return
found 1 hour ago
Select Lufthansa flight, departing Sun, 15 Feb from Singapore to Washington, returning Sun, 15 Mar, priced at HK$10,449 found 1 hour ago
British Airways
Wed, 5 Nov - Tue, 11 Nov
SIN
Singapore
IAD
Washington
HK$10,489 Return, found 3 days ago
HK$10,489
Return
found 3 days ago
Select British Airways flight, departing Wed, 5 Nov from Singapore to Washington, returning Tue, 11 Nov, priced at HK$10,489 found 3 days ago
Japan Airlines
Sun, 15 Feb - Sun, 15 Mar
SIN
Singapore
IAD
Washington
HK$11,111 Return, found 1 hour ago
HK$11,111
Return
found 1 hour ago
Select Japan Airlines flight, departing Sun, 15 Feb from Singapore to Washington, returning Sun, 15 Mar, priced at HK$11,111 found 1 hour ago
Singapore to Washington route information
Origin airport
Changi
Destination airport
Washington Dulles Intl.
Return price
HK$7,075
Distance
15439 km

Flights from Singapore to Chantilly

Book cheap flights from Singapore (SIN) to Chantilly (IAD) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Singapore (SIN) to Chantilly (IAD) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Singapore (SIN) to Chantilly (IAD) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Chantilly flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Chantilly and things to do in Chantilly for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Chantilly more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Chantilly is HK$4,263 now!

 

Frequently asked questions

How much is a flight from Changi Airport (SIN) to Dulles Intl. Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip journey between Changi Airport and Dulles Intl. Airport was HK$7,075. Cheap tickets don't last forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SIN to Washington Dulles Intl. Airport (IAD)?
This varies from airline to airline, as each has its own terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from Singapore Airport to Dulles Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Changi Airport (SIN) to IAD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Changi Airport to Washington Dulles Intl. Airport (IAD)?
The distance is around 15,500 kilometers, so fill your carry-on luggage with all you need to make the long journey comfortable. Wondering what to take on board your Singapore to Chantilly flight? A sleep mask, earplugs and a neck pillow are among the essentials.
Which airlines fly direct from SIN to Washington Dulles Intl. Airport (IAD)?
At present, no airlines offer direct flights from SIN to IAD. You'll have to book a flight with one or more stops. To score the best price and connections, lock in your airfare well in advance.
Are Singapore Airport to IAD flight tickets cheaper when they're purchased at the last minute?
Flight prices from Singapore Airport to IAD are available up to a year prior to departure on Expedia. And although you may pick up a great last-minute deal, it's never something you can count on. Also, booking your flights ahead of time means you'll have more options — and you can avoid landing the dreaded middle seat! We're always updating our fares to bring you the best bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

*Available to Expedia members.