฿20,595 Cheap Flights from Singapore (SIN) to Washington (IAD)

View ฿20,595 flight on Wed, 3 Dec 2025Opens 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 ฿20,595 for one-way flights and ฿35,480 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Tue, 7 Apr - Wed, 15 Apr
SIN
Singapore
IAD
Washington
฿35,480 Return, found 5 days ago
฿35,480
Return
found 5 days ago
Select EVA Airways flight, departing Tue, 7 Apr from Singapore to Washington, returning Wed, 15 Apr, priced at ฿35,480 found 5 days ago
STARLUX Airlines
Wed, 8 Apr - Tue, 14 Apr
SIN
Singapore
IAD
Washington
฿36,680 Return, found 2 days ago
฿36,680
Return
found 2 days ago
Select STARLUX Airlines flight, departing Wed, 8 Apr from Singapore to Washington, returning Tue, 14 Apr, priced at ฿36,680 found 2 days ago
STARLUX Airlines
Tue, 7 Apr - Wed, 15 Apr
SIN
Singapore
IAD
Washington
฿36,795 Return, found 5 days ago
฿36,795
Return
found 5 days ago
Select STARLUX Airlines flight, departing Tue, 7 Apr from Singapore to Washington, returning Wed, 15 Apr, priced at ฿36,795 found 5 days ago
EVA Airways
Thu, 30 Jul - Thu, 13 Aug
SIN
Singapore
IAD
Washington
฿37,340 Return, found 11 hours ago
฿37,340
Return
found 11 hours ago
Select EVA Airways flight, departing Thu, 30 Jul from Singapore to Washington, returning Thu, 13 Aug, priced at ฿37,340 found 11 hours ago
Turkish Airlines
Fri, 24 Oct - Tue, 28 Oct
SIN
Singapore
IAD
Washington
฿38,470 Return, found 6 days ago
฿38,470
Return
found 6 days ago
Select Turkish Airlines flight, departing Fri, 24 Oct from Singapore to Washington, returning Tue, 28 Oct, priced at ฿38,470 found 6 days ago
Korean Air
Wed, 8 Apr - Tue, 14 Apr
SIN
Singapore
IAD
Washington
฿41,435 Return, found 2 days ago
฿41,435
Return
found 2 days ago
Select Korean Air flight, departing Wed, 8 Apr from Singapore to Washington, returning Tue, 14 Apr, priced at ฿41,435 found 2 days ago
Delta
Wed, 8 Apr - Tue, 14 Apr
SIN
Singapore
IAD
Washington
฿44,835 Return, found 2 days ago
฿44,835
Return
found 2 days ago
Select Delta flight, departing Wed, 8 Apr from Singapore to Washington, returning Tue, 14 Apr, priced at ฿44,835 found 2 days ago
British Airways
Wed, 8 Apr - Tue, 14 Apr
SIN
Singapore
IAD
Washington
฿45,945 Return, found 2 days ago
฿45,945
Return
found 2 days ago
Select British Airways flight, departing Wed, 8 Apr from Singapore to Washington, returning Tue, 14 Apr, priced at ฿45,945 found 2 days ago
Qatar Airways
Fri, 24 Oct - Tue, 28 Oct
SIN
Singapore
IAD
Washington
฿46,530 Return, found 6 days ago
฿46,530
Return
found 6 days ago
Select Qatar Airways flight, departing Fri, 24 Oct from Singapore to Washington, returning Tue, 28 Oct, priced at ฿46,530 found 6 days ago
Lufthansa
Sat, 21 Mar - Sun, 29 Mar
SIN
Singapore
IAD
Washington
฿46,895 Return, found 5 days ago
฿46,895
Return
found 5 days ago
Select Lufthansa flight, departing Sat, 21 Mar from Singapore to Washington, returning Sun, 29 Mar, priced at ฿46,895 found 5 days ago
Flight from Singapore to Washington route information
Origin airport
Changi
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, British Airways, Delta, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United
Return price
฿35,480
Distance
15439 km

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 ฿20,595 and roundtrip prices from ฿35,480. 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.

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 ฿35,480. 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.

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