S$647 Cheap Flights from Singapore to Washington

View S$647 flight on Thu, 6 Nov, 2025Opens 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 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Singapore to Washington (SIN-IAD)

Prices were available within the past 7 days and start at S$647 for one-way flights and S$980 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, 4 Nov - Mon, 17 Nov
SIN
Singapore
IAD
Washington
S$980 Return, found 4 days ago
S$980
Return
found 4 days ago
Select Air Canada flight, departing Tue, 4 Nov from Singapore to Washington, returning Mon, 17 Nov, priced at S$980 found 4 days ago
Turkish Airlines
Sat, 1 Nov - Tue, 11 Nov
SIN
Singapore
IAD
Washington
S$1,367 Return, found 4 days ago
S$1,367
Return
found 4 days ago
Select Turkish Airlines flight, departing Sat, 1 Nov from Singapore to Washington, returning Tue, 11 Nov, priced at S$1,367 found 4 days ago
Air India
Mon, 8 Sep - Fri, 12 Sep
SIN
Singapore
IAD
Washington
S$1,391 Return, found 3 days ago
S$1,391
Return
found 3 days ago
Select Air India flight, departing Mon, 8 Sep from Singapore to Washington, returning Fri, 12 Sep, priced at S$1,391 found 3 days ago
Japan Airlines
Tue, 7 Oct - Thu, 16 Oct
SIN
Singapore
IAD
Washington
S$1,534 Return, found 19 hours ago
S$1,534
Return
found 19 hours ago
Select Japan Airlines flight, departing Tue, 7 Oct from Singapore to Washington, returning Thu, 16 Oct, priced at S$1,534 found 19 hours ago
Etihad Airways
Tue, 21 Oct - Thu, 30 Oct
SIN
Singapore
IAD
Washington
S$1,692 Return, found 10 hours ago
S$1,692
Return
found 10 hours ago
Select Etihad Airways flight, departing Tue, 21 Oct from Singapore to Washington, returning Thu, 30 Oct, priced at S$1,692 found 10 hours ago
British Airways
Sat, 15 Nov - Fri, 28 Nov
SIN
Singapore
IAD
Washington
S$1,735 Return, just found
S$1,735
Return
just found
Select British Airways flight, departing Sat, 15 Nov from Singapore to Washington, returning Fri, 28 Nov, priced at S$1,735 just found
Qatar Airways
Wed, 1 Oct - Wed, 15 Oct
SIN
Singapore
IAD
Washington
S$1,770 Return, found 19 hours ago
S$1,770
Return
found 19 hours ago
Select Qatar Airways flight, departing Wed, 1 Oct from Singapore to Washington, returning Wed, 15 Oct, priced at S$1,770 found 19 hours ago
Lufthansa
Mon, 16 Mar - Mon, 6 Apr
SIN
Singapore
IAD
Washington
S$1,792 Return, found 4 days ago
S$1,792
Return
found 4 days ago
Select Lufthansa flight, departing Mon, 16 Mar from Singapore to Washington, returning Mon, 6 Apr, priced at S$1,792 found 4 days ago
Korean Air
Thu, 27 Nov - Tue, 2 Dec
SIN
Singapore
IAD
Washington
S$1,820 Return, found 13 hours ago
S$1,820
Return
found 13 hours ago
Select Korean Air flight, departing Thu, 27 Nov from Singapore to Washington, returning Tue, 2 Dec, priced at S$1,820 found 13 hours ago
Delta
Tue, 9 Sep - Tue, 23 Sep
SIN
Singapore
IAD
Washington
S$1,823 Return, found 1 day ago
S$1,823
Return
found 1 day ago
Select Delta flight, departing Tue, 9 Sep from Singapore to Washington, returning Tue, 23 Sep, priced at S$1,823 found 1 day ago
Singapore to Washington route information
Origin airport
Changi
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, Air India, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Saudia, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United
Return price
S$980
Distance
15439 km

Perfect flights from Singapore to Washington

Your Journey from Singapore to Washington

Start your unforgettable journey with Expedia. Our broad selection of flights from Singapore to Washington caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Air Canada, Turkish Airlines, Lufthansa, Swiss International Air Lines, Austrian Airlines, United, Qatar Airways, Cathay Pacific, Etihad Airways, Air India, Japan Airlines, British Airways, Korean Air, Delta. Our selection of flights from Changi to Washington Dulles Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Singapore to Washington Flights

Experience the joy of finding cheap flights from Changi to Washington Dulles Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$647 and roundtrip prices from S$980*.
 

Pre-Flight Essentials

Ensure a smooth journey from Singapore to Washington with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Washington

Picture yourself stepping off the plane in Washington and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Singapore to Washington Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Singapore to Washington.
 

Beyond the Flight – Exploring Washington

With Expedia, your adventure extends beyond the flight. Explore Washington at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Singapore to Washington with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Singapore to Washington with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 S$980. 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 kilometres, 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.