S$586 Cheap Flights from Washington to Singapore

View S$586 flight on Sun, 25 Jan, 2026Opens in a new window

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

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Cheap Flights from Washington to Singapore (IAD-SIN)

Prices were available within the past 7 days and start at S$586 for one-way flights and S$1,214 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Mon, 19 Jan - Tue, 3 Feb
IAD
Washington
SIN
Singapore
S$1,214 Return, found 2 days ago
S$1,214
Return
found 2 days ago
Select Etihad Airways flight, departing Mon, 19 Jan from Washington to Singapore, returning Tue, 3 Feb, priced at S$1,214 found 2 days ago
Turkish Airlines
Mon, 12 Jan - Sun, 25 Jan
IAD
Washington
SIN
Singapore
S$1,224 Return, found 8 hours ago
S$1,224
Return
found 8 hours ago
Select Turkish Airlines flight, departing Mon, 12 Jan from Washington to Singapore, returning Sun, 25 Jan, priced at S$1,224 found 8 hours ago
Etihad Airways
Mon, 19 Jan - Sun, 8 Feb
IAD
Washington
SIN
Singapore
S$1,241 Return, found 2 days ago
S$1,241
Return
found 2 days ago
Select Etihad Airways flight, departing Mon, 19 Jan from Washington to Singapore, returning Sun, 8 Feb, priced at S$1,241 found 2 days ago
Etihad Airways
Mon, 26 Jan - Thu, 12 Feb
IAD
Washington
SIN
Singapore
S$1,242 Return, found 2 days ago
S$1,242
Return
found 2 days ago
Select Etihad Airways flight, departing Mon, 26 Jan from Washington to Singapore, returning Thu, 12 Feb, priced at S$1,242 found 2 days ago
Etihad Airways
Fri, 27 Feb - Sun, 15 Mar
IAD
Washington
SIN
Singapore
S$1,264 Return, found 1 day ago
S$1,264
Return
found 1 day ago
Select Etihad Airways flight, departing Fri, 27 Feb from Washington to Singapore, returning Sun, 15 Mar, priced at S$1,264 found 1 day ago
Etihad Airways
Fri, 23 Jan - Sun, 8 Feb
IAD
Washington
SIN
Singapore
S$1,268 Return, found 2 days ago
S$1,268
Return
found 2 days ago
Select Etihad Airways flight, departing Fri, 23 Jan from Washington to Singapore, returning Sun, 8 Feb, priced at S$1,268 found 2 days ago
United
Tue, 2 Dec - Mon, 15 Dec
IAD
Washington
SIN
Singapore
S$1,447 Return, found 13 hours ago
S$1,447
Return
found 13 hours ago
Select United flight, departing Tue, 2 Dec from Washington to Singapore, returning Mon, 15 Dec, priced at S$1,447 found 13 hours ago
Qatar Airways
Thu, 22 Jan - Wed, 28 Jan
IAD
Washington
SIN
Singapore
S$1,532 Return, found 3 days ago
S$1,532
Return
found 3 days ago
Select Qatar Airways flight, departing Thu, 22 Jan from Washington to Singapore, returning Wed, 28 Jan, priced at S$1,532 found 3 days ago
Delta
Fri, 30 Jan - Wed, 4 Feb
IAD
Washington
SIN
Singapore
S$1,537 Return, found 2 days ago
S$1,537
Return
found 2 days ago
Select Delta flight, departing Fri, 30 Jan from Washington to Singapore, returning Wed, 4 Feb, priced at S$1,537 found 2 days ago
American Airlines
Thu, 22 Jan - Wed, 28 Jan
IAD
Washington
SIN
Singapore
S$1,668 Return, found 3 days ago
S$1,668
Return
found 3 days ago
Select American Airlines flight, departing Thu, 22 Jan from Washington to Singapore, returning Wed, 28 Jan, priced at S$1,668 found 3 days ago

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Find the cheapest month to fly from Washington (IAD) to Singapore (SIN)

September is typically the cheapest month to fly

From S$1,064 - S$1,516 per traveller.

Alternative airports near Singapore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Changi SIN. Cheapest option available. Average driving time to city centre is 18 minutes. Flights from S$2,028
SIN
Changi
Cheapest
Average driving time to city centre18 min
Flights from S$2,028
Washington to Singapore route information
Origin airport
Washington Dulles Intl.
Destination airport
Changi
Airlines serving
Air Canada, Air France, 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$1,214
Distance
15439 km

Perfect flights from Washington to Singapore

Your Journey from Washington to Singapore

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With Expedia, you have access to a wide range of airlines, including Etihad Airways, Air Canada, Turkish Airlines, United, Qatar Airways, Delta, All Nippon Airways, Air China, China Airlines, American Airlines. Our selection of flights from Washington Dulles Intl. to Changi caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Washington to Singapore Flights

Experience the joy of finding cheap flights from Washington Dulles Intl. to Changi that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$586 and roundtrip prices from S$1,214*.
 

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Ensure a smooth journey from Washington to Singapore with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Singapore

Picture yourself stepping off the plane in Singapore and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

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Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Washington to Singapore.
 

Beyond the Flight – Exploring Singapore

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Book Your Flight from Washington to Singapore with Confidence

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*Note: Prices may vary based on availability and are subject to change.

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$1,214. 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.

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