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Cheap IAD to SAT Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Washington to San Antonio route information

Origin Airport Washington Dulles Intl.
Destination Airport San Antonio Intl.
Airlines Serving Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Flight Price $179
Distance 1,361 mi

Cheap IAD to SAT Flights

  • Question : How long does it take to fly from Dulles to San Antonio?
    Answer : United Airlines currently holds the fastest travel time with three hours and 51 minutes. So, you would arrive in San Antonio at 7:56 PM CDT if you left Dulles at 5:05 PM EDT. Remember, there is a time change of one hour.
  • Question : How many flights are there per day from Dulles to San Antonio?
    Answer : The number does differ by the day, but on average, you can expect four different choices of flight times when you book. That is lower than the national average of nine.
  • Question : How much is a plane ticket to San Antonio (SAT) from Dulles (IAD)?
    Answer : Prices vary from $187 to $864. Booking in advance can usually help you get the cheapest price. Remember, the sooner you book, the more you'll be able to save.
  • Question : What is the cheapest day to fly to San Antonio?
    Answer : Jul 10th has bookings (as of Jun 17th) for as little as $197. That comes in 53% below the average price for this route. Saving now gives you more money in your pocket.
  • Question : Which airline has the least delays from Dulles to San Antonio?
    Answer : Booking with United Airlines means you will arrive to San Antonio approximately the time you were supposed to. In fact, this timely airline has an 85% on-time average. It never hurts to be prepared. If you should choose this airline, be sure to track the flight status to stay on top of the departure time.
  • Question : Can I change the date of my flight?
    Answer : Yes, you can adjust your departure date. If you want to save a little money in doing so, the cheapest day to fly in July is Wednesday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.
  • Question : Do some days of the week have more flight times than others?
    Answer : With five total flight time options, Saturday provides the most flexibility from IAD to SAT. However, with three flight times, Sunday doesn't offer quite as many options when finding that perfect departure time.