CA $750 Cheap Flights from Washington (IAD) to Singapore (SIN)

Featured airlines

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap flights from Washington (IAD) to Singapore (SIN)

Prices were available within the past 7 days and start at CA $750 for one-way flights and CA $1,368 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Saudia
Qatar Airways
JetBlue Airways
Delta
Air India
Korean Air
American Airlines
Cathay Pacific
Air Canada
Flight from Washington to Singapore (IAD - SIN) route information
Origin airport
Washington Dulles Intl.
Destination airport
Changi
Airlines serving
Air India, All Nippon Airways, American Airlines, British Airways, Delta, Emirates, Etihad Airways, JetBlue Airways, Korean Air, Lufthansa, Qantas Airways, Qatar Airways, Saudia, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
CA $1,368
Distance
15439 km

Chantilly to Singapore Flights

The easy way to book your flights from Washington to Singapore 

With Expedia, it’s simple to find and book flights to Singapore from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Changi, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to Singapore today, tomorrow, or this week.  

 

Save dollars with cheap flights from Washington Dulles Intl., IAD to Changi, SIN 

Sort your search results by price to find great deals on your flight from Washington to Singapore—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Singapore from Washington currently is just CA $1,368 rising to CA $2,313.  

Here are more money-saving tips: 

  • Fly in April when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Singapore  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Singapore from Washington 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Singapore with Expedia today.

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 CA $1,368. 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 canceled 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 kilometers, 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.