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Amazing IAD to SIN Flight Deals

The cheapest flights to Changi found within the past 7 days were $811 round trip and $422 one way. Prices and availability subject to change. Additional terms may apply.

FAQs about flights from Washington Dulles Intl. Airport (IAD) to Changi Airport (SIN)

Are there direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Singapore Airport?

Singapore Airlines, Lufthansa and Air China will fly you to Singapore from Washington with one stopover. Unfortunately, there aren't any direct flights between Washington, DC (IAD-Washington Dulles Intl.) and Singapore (SIN-Changi) just yet.

How long is the flight from Washington, DC (IAD-Washington Dulles Intl.) to Singapore Airport?

It's a good idea to get out of your seat and walk the aisles during your flight from Washington, DC (IAD-Washington Dulles Intl.) to Singapore (SIN-Changi). You'll be in the air for 20 hours and 28 minutes, so exercising your body will keep you feeling comfortable during this long-haul journey.

What is the flight distance from Washington, DC (IAD-Washington Dulles Intl.) to Singapore Airport?

The flight distance from Washington, DC (IAD-Washington Dulles Intl.) to Singapore (SIN-Changi) is 10,439 miles. Travel pillow? Check. Toothbrush for a mid-flight freshen up? Double check. You're going to need all the long-haul creature comforts for this journey.

What airlines fly from Washington, DC (IAD-Washington Dulles Intl.) to Singapore Airport?

As there are no direct flights on offer between Washington, DC (IAD-Washington Dulles Intl.) and Singapore (SIN-Changi), at least one stopover is unavoidable. Best to plan ahead if you want to book the most straightforward route and save some time.

Flying Tips & Tricks How do I find my flight number?
  • When you've finalized your booking, have a look in your inbox for your itinerary. Your flight number is recorded in this document. You shouldn't have too many difficulties identifying it — just keep your eye out for a code consisting of letters and numbers. The first couple of letters and single digit are called an IATA airline code and represent the airline you're traveling with. Following this are one, two, three or four numbers which make up your flight number.
How early can you check bags for a flight?
  • Airlines can have different requirements when it comes to check-in and luggage drop times. However, as a general rule of thumb, you should get to the airport terminal about three hours before takeoff for international flights. If you're on a domestic flight, the recommended time is two hours prior to departure. Our number one tip? Get there on time. International flights usually close check-in and baggage drop one hour before departure. With domestic flights, it's 45 minutes before.

Washington Dulles Intl. to Changi Flight FAQ

Traveling FromWashington Dulles Intl.
Traveling ToChangi
Shortest Flight Time hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price$811

Washington to Singapore Carriers and Route Information

Flight path for flights from Washington Dulles International Airport to Changi International Airport.


Distance:
9,788.00 miles


*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.