₩1,089,300 Cheap Flights from Singapore (SIN) to Washington (IAD)

View ₩1,089,300 flight on Thu, Apr 9, 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 ₩1,089,300 for one-way flights and ₩2,045,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Japan Airlines
Fri, Jan 9 - Sun, Jan 18
SIN
Singapore
IAD
Washington
₩2,045,200 Roundtrip, found 23 hours ago
₩2,045,200
Roundtrip
found 23 hours ago
Select Japan Airlines flight, departing Fri, Jan 9 from Singapore to Washington, returning Sun, Jan 18, priced at ₩2,045,200 found 23 hours ago
Air Canada
Sat, Jul 18 - Fri, Jul 24
SIN
Singapore
IAD
Washington
₩2,102,100 Roundtrip, found 5 days ago
₩2,102,100
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sat, Jul 18 from Singapore to Washington, returning Fri, Jul 24, priced at ₩2,102,100 found 5 days ago
Lufthansa
Sat, Jul 18 - Fri, Jul 24
SIN
Singapore
IAD
Washington
₩2,131,900 Roundtrip, found 5 days ago
₩2,131,900
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Sat, Jul 18 from Singapore to Washington, returning Fri, Jul 24, priced at ₩2,131,900 found 5 days ago
Lufthansa
Sat, Jul 18 - Fri, Jul 24
SIN
Singapore
IAD
Washington
₩2,304,300 Roundtrip, found 5 days ago
₩2,304,300
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Sat, Jul 18 from Singapore to Washington, returning Fri, Jul 24, priced at ₩2,304,300 found 5 days ago
United
Fri, Jan 9 - Sun, Jan 18
SIN
Singapore
IAD
Washington
₩2,305,100 Roundtrip, found 23 hours ago
₩2,305,100
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Jan 9 from Singapore to Washington, returning Sun, Jan 18, priced at ₩2,305,100 found 23 hours ago
Air Canada
Sat, Jul 18 - Fri, Jul 24
SIN
Singapore
IAD
Washington
₩2,467,500 Roundtrip, found 5 days ago
₩2,467,500
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sat, Jul 18 from Singapore to Washington, returning Fri, Jul 24, priced at ₩2,467,500 found 5 days ago
British Airways
Fri, Jan 9 - Sun, Jan 18
SIN
Singapore
IAD
Washington
₩2,576,600 Roundtrip, found 23 hours ago
₩2,576,600
Roundtrip
found 23 hours ago
Select British Airways flight, departing Fri, Jan 9 from Singapore to Washington, returning Sun, Jan 18, priced at ₩2,576,600 found 23 hours ago
Delta
Fri, Jul 17 - Wed, Jul 22
SIN
Singapore
IAD
Washington
₩2,674,300 Roundtrip, found 5 days ago
₩2,674,300
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Jul 17 from Singapore to Washington, returning Wed, Jul 22, priced at ₩2,674,300 found 5 days ago
Swiss International Air Lines
Fri, Jul 17 - Wed, Jul 22
SIN
Singapore
IAD
Washington
₩2,830,100 Roundtrip, found 5 days ago
₩2,830,100
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Fri, Jul 17 from Singapore to Washington, returning Wed, Jul 22, priced at ₩2,830,100 found 5 days ago
Etihad Airways
Fri, Jan 9 - Sun, Jan 18
SIN
Singapore
IAD
Washington
₩2,923,600 Roundtrip, found 23 hours ago
₩2,923,600
Roundtrip
found 23 hours ago
Select Etihad Airways flight, departing Fri, Jan 9 from Singapore to Washington, returning Sun, Jan 18, priced at ₩2,923,600 found 23 hours 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 ₩2,045,200. 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.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Austrian Airlines, British Airways, Delta, Emirates, Etihad Airways, Japan Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
₩2,045,200
Distance
15439 km

Book with confidence

Singapore to Chantilly Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Singapore to Chantilly will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Chantilly.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SIN to IAD flights that won’t make your bank account wince. Ready to temporarily leave behind Singapore for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to IAD with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Singapore to Chantilly Flights

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