₩1,365,700 Cheap Flights from Singapore (SIN) to Washington (IAD)

View ₩1,365,700 flight on Thu, May 14, 2026Opens in a new window

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

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Cheap Flights from Singapore to Washington (SIN-IAD)

Prices were available within the past 7 days and start at ₩1,365,700 for one-way flights and ₩2,496,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Emirates
Thu, May 14 - Fri, May 22
SIN
Singapore
IAD
Washington
₩2,496,400 Roundtrip, found 4 days ago
₩2,496,400
Roundtrip
found 4 days ago
Select Emirates flight, departing Thu, May 14 from Singapore to Washington, returning Fri, May 22, priced at ₩2,496,400 found 4 days ago
Qatar Airways
Thu, May 14 - Fri, May 22
SIN
Singapore
IAD
Washington
₩2,615,700 Roundtrip, found 4 days ago
₩2,615,700
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Thu, May 14 from Singapore to Washington, returning Fri, May 22, priced at ₩2,615,700 found 4 days ago
Qatar Airways
Thu, May 14 - Fri, May 22
SIN
Singapore
IAD
Washington
₩2,632,000 Roundtrip, found 4 days ago
₩2,632,000
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Thu, May 14 from Singapore to Washington, returning Fri, May 22, priced at ₩2,632,000 found 4 days ago
United
Thu, May 14 - Fri, May 22
SIN
Singapore
IAD
Washington
₩2,679,400 Roundtrip, found 4 days ago
₩2,679,400
Roundtrip
found 4 days ago
Select United flight, departing Thu, May 14 from Singapore to Washington, returning Fri, May 22, priced at ₩2,679,400 found 4 days ago
United
Thu, May 14 - Fri, May 22
SIN
Singapore
IAD
Washington
₩2,687,700 Roundtrip, found 4 days ago
₩2,687,700
Roundtrip
found 4 days ago
Select United flight, departing Thu, May 14 from Singapore to Washington, returning Fri, May 22, priced at ₩2,687,700 found 4 days ago
Qatar Airways
Thu, May 14 - Fri, May 22
SIN
Singapore
IAD
Washington
₩2,689,400 Roundtrip, found 4 days ago
₩2,689,400
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Thu, May 14 from Singapore to Washington, returning Fri, May 22, priced at ₩2,689,400 found 4 days ago
Finnair
Thu, May 14 - Fri, May 22
SIN
Singapore
IAD
Washington
₩2,721,500 Roundtrip, found 4 days ago
₩2,721,500
Roundtrip
found 4 days ago
Select Finnair flight, departing Thu, May 14 from Singapore to Washington, returning Fri, May 22, priced at ₩2,721,500 found 4 days ago
Qatar Airways
Thu, May 14 - Fri, May 22
SIN
Singapore
IAD
Washington
₩2,726,000 Roundtrip, found 4 days ago
₩2,726,000
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Thu, May 14 from Singapore to Washington, returning Fri, May 22, priced at ₩2,726,000 found 4 days ago
United
Thu, May 14 - Fri, May 22
SIN
Singapore
IAD
Washington
₩2,732,300 Roundtrip, found 4 days ago
₩2,732,300
Roundtrip
found 4 days ago
Select United flight, departing Thu, May 14 from Singapore to Washington, returning Fri, May 22, priced at ₩2,732,300 found 4 days ago
Turkish Airlines
Thu, May 14 - Fri, May 22
SIN
Singapore
IAD
Washington
₩3,058,200 Roundtrip, found 4 days ago
₩3,058,200
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Thu, May 14 from Singapore to Washington, returning Fri, May 22, priced at ₩3,058,200 found 4 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 ₩2,496,400. 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.

Travel information

Origin airport
Changi
Destination airport
Washington Dulles Intl.
Roundtrip price
₩2,496,400
Distance
15439 km
*Available to Expedia members.