Cheap Flights from Austin to Washington D.C. from S$ 77

Frequently Asked Questions

• Which airlines offer the cheapest flights from Austin (AUS) to Washington D.C. (WAS)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as S$ 77 on Cheapest nonstop routes (e.g. AUS to IAD on Mon, Mar 9), while Frontier Airlines offers Cheapest nonstop round-trips from S$ 168 departing on Fri, Mar 13 and returning on Mon, Mar 16.

• Which airlines offer direct flights from Austin to Washington D.C.?

  At the moment, you can catch a direct flight from Austin to Washington D.C. with the following airlines, including: United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Austin (AUS) to Washington D.C. (WAS)?

  It takes about 3 hours 13 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 many flights are there per week from Austin to Washington D.C.?

  Based on Trip.com data in the past 4 weeks, there is 16 flight per week flying from Austin to Washington D.C.. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/-/-/W/T/F/S -- UA525 (07:30)

• 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 Mon, Mar 9, with one-way flights priced at just S$ 77.
  · 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 July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Austin to Washington D.C. to get the best price?

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

• Which upcoming date is the cheapest for flights from Austin to Washington D.C.?

  After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Austin to Washington D.C. on February 22, 2026 with Frontier Airlines, with prices starting at S$ 90.

• Which airports can I fly through when travelling to Washington D.C. from Austin?

  You can land at any one of the following hubs in Washington D.C., with Austin-Bergstrom International Airport to Dulles International Airport (AUS-IAD) is by far the most common option on this route: Ronald Reagan Washington National Airport (DCA) Dulles International Airport (IAD).

• What is the time difference between Austin and Washington D.C.?

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

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

  Tickets can only be changed or cancelled 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.