S$676 Cheap Flights from Washington to Singapore

View S$676 flight on Wed, 14 May,2025Opens in a new window

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Cheap Flights from Washington to Singapore (IAD-SIN)

Prices were available within the past 7 days and start at S$676 for one-way flights and S$1,088 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Tue, 1 Apr - Mon, 7 Apr
IAD
Washington
SIN
Singapore
S$1,088 Return, found 20 hours ago
S$1,088
Return
found 20 hours ago
Select Air China flight, departing Tue, 1 Apr from Washington to Singapore, returning Mon, 7 Apr, priced at S$1,088 found 20 hours ago
Turkish Airlines
Sat, 29 Mar - Fri, 4 Apr
IAD
Washington
SIN
Singapore
S$1,231 Return, found 5 days ago
S$1,231
Return
found 5 days ago
Select Turkish Airlines flight, departing Sat, 29 Mar from Washington to Singapore, returning Fri, 4 Apr, priced at S$1,231 found 5 days ago
Turkish Airlines
Thu, 27 Mar - Wed, 9 Apr
IAD
Washington
SIN
Singapore
S$1,297 Return, found 22 hours ago
S$1,297
Return
found 22 hours ago
Select Turkish Airlines flight, departing Thu, 27 Mar from Washington to Singapore, returning Wed, 9 Apr, priced at S$1,297 found 22 hours ago
Qatar Airways
Mon, 21 Apr - Tue, 6 May
IAD
Washington
SIN
Singapore
S$1,437 Return, found 1 day ago
S$1,437
Return
found 1 day ago
Select Qatar Airways flight, departing Mon, 21 Apr from Washington to Singapore, returning Tue, 6 May, priced at S$1,437 found 1 day ago
Air Canada
Wed, 10 Sep - Thu, 25 Sep
IAD
Washington
SIN
Singapore
S$1,555 Return, found 2 days ago
S$1,555
Return
found 2 days ago
Select Air Canada flight, departing Wed, 10 Sep from Washington to Singapore, returning Thu, 25 Sep, priced at S$1,555 found 2 days ago
Etihad Airways
Mon, 21 Apr - Tue, 6 May
IAD
Washington
SIN
Singapore
S$1,563 Return, found 1 day ago
S$1,563
Return
found 1 day ago
Select Etihad Airways flight, departing Mon, 21 Apr from Washington to Singapore, returning Tue, 6 May, priced at S$1,563 found 1 day ago
United
Thu, 18 Sep - Wed, 24 Sep
IAD
Washington
SIN
Singapore
S$1,580 Return, found 15 hours ago
S$1,580
Return
found 15 hours ago
Select United flight, departing Thu, 18 Sep from Washington to Singapore, returning Wed, 24 Sep, priced at S$1,580 found 15 hours ago
Delta
Mon, 25 Aug - Wed, 3 Sep
IAD
Washington
SIN
Singapore
S$1,596 Return, found 3 days ago
S$1,596
Return
found 3 days ago
Select Delta flight, departing Mon, 25 Aug from Washington to Singapore, returning Wed, 3 Sep, priced at S$1,596 found 3 days ago
All Nippon Airways
Tue, 1 Apr - Mon, 7 Apr
IAD
Washington
SIN
Singapore
S$1,644 Return, found 20 hours ago
S$1,644
Return
found 20 hours ago
Select All Nippon Airways flight, departing Tue, 1 Apr from Washington to Singapore, returning Mon, 7 Apr, priced at S$1,644 found 20 hours ago
Ethiopian Airlines
Wed, 26 Mar - Wed, 2 Apr
IAD
Washington
SIN
Singapore
S$1,705 Return, found 3 days ago
S$1,705
Return
found 3 days ago
Select Ethiopian Airlines flight, departing Wed, 26 Mar from Washington to Singapore, returning Wed, 2 Apr, priced at S$1,705 found 3 days ago
Washington to Singapore route information
Origin airport
Washington Dulles Intl.
Destination airport
Changi
Airlines serving
Air China, Air France, Air India, All Nippon Airways, American Airlines, British Airways, Delta, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United
Return price
S$1,087
Distance
15439 km

Flights from Chantilly to Singapore

When looking for plane tickets from Chantilly to Singapore, the ease and convenience of using Expedia simply can’t be beat. With tons of departure points and flights options from the top airline carriers, Expedia gives you the widest array of cheap flights to Singapore. Look for IAD to SIN airfare with the assurance that you have the largest online travel agency working for you.

Expedia lets you search across the largest number of airlines and Singapore flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Chantilly Singapore flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Chantilly to Singapore trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Singapore flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Chantilly to Singapore with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from IAD to Singapore Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from IAD to SIN was S$1,088. Fares this cheap don’t last forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to SIN?
Most flights can be cancelled online, but every air carrier has its own set of terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Dulles Intl. Airport to Singapore 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 Washington Dulles Intl. Airport (IAD) to Changi Airport (SIN) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to Changi Airport (SIN)?
Chantilly to Singapore is around 15,500 kilometres, so be prepared to spend a while in the air. Don’t forget to pack all the essentials, from your eye mask to your earphones. Throw in a few snacks to munch on throughout your flight too.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Singapore Airport?
You won’t find any airlines flying directly between Dulles Intl. Airport and Changi Airport (SIN), so be prepared to make at least one stop on your journey. A layover can be a welcome way to break up a trip!
Are Dulles Intl. Airport to SIN flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Washington Dulles Intl. Airport (IAD) to Singapore Airport at the last minute could be your ticket to an awesome deal. However, you might miss out on a flight altogether! If you’d rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred carrier hasn’t released tickets yet, check back frequently as deals are updated on Expedia all the time.
*Available to Expedia members.