$942 Cheap Qatar Airways flights Singapore (SIN) to Washington (IAD)

Make use of the “Price (lowest to highest)” filter on Expedia to search for cheap Qatar Airways return flights from $1,370 from SIN to IAD. Affordable one-way fares from $942 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Qatar Airways flights to Washington are typically cheaper in the off-peak months of January and February. Whether you’re searching for a return or one-way ticket, you could find a better deal then.

Getting the best Qatar Airways deals from SIN to IAD often comes down to timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better yet, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is usually the most expensive day to book.* It’s smart to kick off your flight search about one month before your travel dates.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Click on the “Nonstop” filter when searching for direct Qatar Airways flights from SIN to IAD. You can also compare other airlines servicing the same nonstop trip.

Sort your results by “Early Morning” and “Morning” to browse the earliest flights from SIN to IAD. Jetting off early means you’re 20% less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Catch a Qatar Airways flight from Changi Airport (SIN) to Washington, and you’re most likely to come in to Washington Dulles Intl. Airport (IAD). This is the airline’s primary hub in this city.

For checked luggage, passengers can bring 2 checked-in bags weighing up to 50 lb with dimensions not exceeding 118 inches. You can also bring 1 cabin bag on board when flying standard economy from SIN to IAD with Qatar Airways. This carry-on must weigh less than 33 lb and be no bigger than 19 inches x 14 inches x 9 inches. Exceeding these limits can mean extra charges, so read Qatar Airways’s baggage allowance guidelines before you pack.

Qatar Airways makes traveling from SIN to IAD more enjoyable with a rewarding loyalty program and top-tier customer service. You may even earn points with Qatar Privilege Club. Remember to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of booking, but your airline may add a charge after that time. For further details about altering your flights, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to adjust your plans without additional charges, check the “Changes included” or “No cancel fee” filter when planning your trip.