SIN (Singapore) to IAD (Washington) Flights $700.84

Question : Who's offering the cheapest round-trip flight to Washington Dulles International Airport (IAD) over the coming months?
Answer : Turkish Airlines is the leader in keeping prices down for their passengers over the next three months. Fares are being booked at just $912 and, when compared to the high-end bookings of $9,595, it's quite a deal.

Question : How long do most people stay in Dulles?
Answer : Of course you're not most people, but if you were, you'd stay roughly 23 days.

Question : Is the price you found a good deal?
Answer : Ranging anywhere from $912 to $9,595, prices for SIN to IAD do fluctuate much more than most routes from Singapore. However, the sooner you book, the more you'll be able to save.

Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : In October, the cheapest day to fly is Wednesday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : Since low prices are preferred, look at Oct 11th. As of Sep 18th, it's showing the cheapest ticket sales at $943. That is 69% below the average price for this route, so you can spend that extra cash on a fun experience in Dulles.