Austin to Washington flights
The cheapest round trip we found from Austin to Washington is $270 (Nov 21 – 25, 1 stop).
AUS to WAS · Round trip · Economy · Prices per person in USD · Price found (1 hour ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $270 |
| December 2026 | No fares found yet |
| January 2027 | No fares found yet |
| February 2027 | No fares found yet |
| March 2027 | $235 (cheapest month) |
Cheapest dates in the next 4 months
Round trip, per person-
Nov 21 – 25 4 nights · leave Sat$270$270 Book
Frontier Airlines 1 stop · 7h 30m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
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Plan the rest of your trip
Washington · Nov 21 – 25Partner links: we may earn a commission if you book, at no extra cost to you.
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Austin to Washington: questions
How much does a flight from Austin to Washington cost?
The cheapest round trip we have found right now is $270, leaving November 21 and returning November 25. Prices are per person, economy, in USD.
Which airports do Austin to Washington flights use?
Austin airports include Austin-Bergstrom International (AUS). Washington airports include Washington Dulles International (IAD) and Ronald Reagan National (DCA). The prices on this page cover every airport in both cities (AUS and WAS are the city codes).
About this route
We track round-trip economy fares from Austin (United States) to Washington (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $270, departing November 21 and returning November 25. The cheapest month to fly in our data is March, from $235. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.