฿21,550 Cheap Flights from Singapore (SIN) to Washington (IAD)

View ฿21,550 flight on Thu, 30 Apr 2026Opens in a new window

Popular airlines from Changi Airport (SIN) to Washington Dulles International Airport (IAD)

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

Prices were available within the past 7 days and start at ฿21,550 for one-way flights and ฿35,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Thu, 23 Apr - Wed, 29 Apr
SIN
Singapore
IAD
Washington
฿35,700 Return, found 4 days ago
฿35,700
Return
found 4 days ago
Select EVA Airways flight, departing Thu, 23 Apr from Singapore to Washington, returning Wed, 29 Apr, priced at ฿35,700 found 4 days ago
Turkish Airlines
Sat, 18 Apr - Mon, 4 May
SIN
Singapore
IAD
Washington
฿36,180 Return, found 1 day ago
฿36,180
Return
found 1 day ago
Select Turkish Airlines flight, departing Sat, 18 Apr from Singapore to Washington, returning Mon, 4 May, priced at ฿36,180 found 1 day ago
STARLUX Airlines
Thu, 23 Apr - Wed, 29 Apr
SIN
Singapore
IAD
Washington
฿36,295 Return, found 4 days ago
฿36,295
Return
found 4 days ago
Select STARLUX Airlines flight, departing Thu, 23 Apr from Singapore to Washington, returning Wed, 29 Apr, priced at ฿36,295 found 4 days ago
STARLUX Airlines
Sun, 11 Oct - Thu, 22 Oct
SIN
Singapore
IAD
Washington
฿37,070 Return, found 6 days ago
฿37,070
Return
found 6 days ago
Select STARLUX Airlines flight, departing Sun, 11 Oct from Singapore to Washington, returning Thu, 22 Oct, priced at ฿37,070 found 6 days ago
British Airways
Thu, 23 Apr - Wed, 29 Apr
SIN
Singapore
IAD
Washington
฿43,115 Return, found 4 days ago
฿43,115
Return
found 4 days ago
Select British Airways flight, departing Thu, 23 Apr from Singapore to Washington, returning Wed, 29 Apr, priced at ฿43,115 found 4 days ago
EVA Airways
Sun, 11 Oct - Thu, 22 Oct
SIN
Singapore
IAD
Washington
฿43,625 Return, found 6 days ago
฿43,625
Return
found 6 days ago
Select EVA Airways flight, departing Sun, 11 Oct from Singapore to Washington, returning Thu, 22 Oct, priced at ฿43,625 found 6 days ago
United
Thu, 5 Mar - Sun, 15 Mar
SIN
Singapore
IAD
Washington
฿46,290 Return, found 5 days ago
฿46,290
Return
found 5 days ago
Select United flight, departing Thu, 5 Mar from Singapore to Washington, returning Sun, 15 Mar, priced at ฿46,290 found 5 days ago
Korean Air
Thu, 5 Mar - Sun, 15 Mar
SIN
Singapore
IAD
Washington
฿47,535 Return, found 5 days ago
฿47,535
Return
found 5 days ago
Select Korean Air flight, departing Thu, 5 Mar from Singapore to Washington, returning Sun, 15 Mar, priced at ฿47,535 found 5 days ago
Lufthansa
Thu, 23 Apr - Wed, 29 Apr
SIN
Singapore
IAD
Washington
฿50,580 Return, found 4 days ago
฿50,580
Return
found 4 days ago
Select Lufthansa flight, departing Thu, 23 Apr from Singapore to Washington, returning Wed, 29 Apr, priced at ฿50,580 found 4 days ago
Delta
Thu, 5 Mar - Sun, 15 Mar
SIN
Singapore
IAD
Washington
฿50,885 Return, found 5 days ago
฿50,885
Return
found 5 days ago
Select Delta flight, departing Thu, 5 Mar from Singapore to Washington, returning Sun, 15 Mar, priced at ฿50,885 found 5 days ago

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 ฿35,700. 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.

Travel information

Origin airport
Changi
Destination airport
Washington Dulles Intl.
Return price
฿35,700
Distance
15439 km

Book with confidence

Perfect flights from Singapore to Washington

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Singapore to Washington. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Changi to Washington Dulles Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿21,550 and roundtrip prices from ฿35,700. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Washington Dulles Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Washington.
Perfect flights from Singapore to Washington
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