Cheap flight from Austin to Washington D.C. from US$225

Frequently Asked Questions

• What are the cheapest flights from Austin to Washington D.C. (AUS-WAS)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$76 on Cheapest nonstop routes (e.g. AUS to IAD on Fri, Sep 26), while Frontier Airlines offers Cheapest nonstop round-trips from US$151 departing on Fri, Sep 26 and returning on Sun, Sep 28.

• How long does it take to fly from Austin (AUS) to Washington D.C. (WAS) and what is the distance?

  It takes around 3 hours 29 minutes to fly from Austin (AUS) to Washington D.C. (WAS).

• When is the best time to book flights from Austin to Washington D.C.?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Austin to Washington D.C. is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Austin to Washington D.C.?

  To find best deals on flights from Austin to Washington D.C., you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Sep 26, with one-way flights priced at just US$76.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Washington D.C. travel is around March.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Austin (AUS) to Washington D.C. (WAS) the cheapest?

  The cheapest months to fly from Austin to Washington D.C. is May, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Austin to Washington D.C. on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Austin to Washington D.C. on September 26, 2025 with Frontier Airlines, with prices starting at US$150.

• Is there any time difference between Austin and Washington D.C.?

  The time difference between Washington D.C. and Austin is 1h.

• How do I change or cancel my ticket from Austin to Washington D.C.?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.