¥85,140 Cheap Flights from Washington (IAD) to Singapore (SIN)

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards

Cheap Flights from Washington to Singapore (IAD-SIN)

Prices were available within the past 7 days and start at ¥85,140 for one-way flights and ¥172,220 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Qatar Airways
Turkish Airlines
American Airlines
American Airlines
American Airlines
American Airlines
United
Etihad Airways
Etihad Airways

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

September is typically the cheapest month to fly

From ¥119,936 - ¥172,198 per traveler.

Frequently asked questions

How much is a flight from Washington Dulles Intl. Airport (IAD) to Singapore Airport?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Dulles Intl. Airport and Singapore Airport start from ¥172,220. Book ASAP to score the best price for your exciting adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAD to Changi Airport (SIN)?
The majority of flights can be canceled online, but each air carrier has different 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 Dulles Intl. Airport to Singapore Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from IAD to Singapore Airport?
To survive the 21 hours flight time between IAD and SIN, it's smart to plan ahead. A tablet filled with your favorite movies is a wonderful start.
How far is the flight from Washington Dulles Intl. Airport (IAD) to Singapore Airport?
Chantilly to Singapore is around 15,500 kilometers, so get ready to spend quite a while in the air. Make sure you pack all the essentials, from your hoodie to your headphones. Throw in a few snacks to nibble on throughout your flight too.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Singapore Airport?
You won't find any airlines operating directly between IAD and Changi Airport (SIN), so be ready to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip!
Are Washington Dulles Intl. Airport (IAD) to Changi Airport (SIN) flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Dulles Intl. Airport to SIN can be hit-or-miss. It is possible to score a bargain, but then again, you could miss out! If you'd prefer to start planning your trip early on, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines publish their prices that far in advance. Our top tip? Check back often as prices are updated regularly.

Travel information

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Changi
Airlines serving
Air France, All Nippon Airways, American Airlines, British Airways, Delta, Emirates, Etihad Airways, KLM, Korean Air, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
¥172,220
Distance
15439 km

Book with confidence

Book with confidence

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to Expedia members.