Flight Routes from Washington DC to Austin

Trip type

Our cheapest offers for flights from Washington DC to Austin

Here you can compare cheap flights from Washington DC (IAD) to Austin (AUS) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Austin. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Washington DC
Austin
Outbound
06/29/26
direct
G40234
03h 15min
Return
-
Allegiant Air
$99
Washington DC
Austin
Outbound
06/25/26
2 Stopovers (BFD, PIT)
9X0393, 9X0307, G41134
21h 59min
Return
06/30/26
1 Stopover (ATL)
F94702, F93692
10h 30min
Southern Airways Express, Allegiant Air ?
$417
Best option
Washington DC
Austin
Outbound
06/25/26
direct
UA0637
03h 26min
Return
06/30/26
direct
UA0376
03h 19min
United Airlines
$593
Washington DC
Austin
Outbound
06/25/26
1 Stopover (ATL)
F94707, F94211
07h 01min
Return
06/30/26
1 Stopover (ATL)
F94702, F93692
10h 30min
Frontier Airlines ?
$508
Washington DC
Austin
Outbound
06/25/26
1 Stopover (DFW)
AA1906, AA2577
08h 07min
Return
06/30/26
1 Stopover (CLT)
AA1419, AA2953
05h 37min
American Airlines ?
$742
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Washington DC to Austin

Favorite airline: United Airlines
80 % of flights booked on the route from Washington DC to Austin are booked with United Airlines, American Airlines and Allegiant Air.
United Airlines
56 %
American Airlines
12 %
Allegiant Air
12 %
Stopover flights are the cheapest connection
Compared to flights with a stopover, direct flights are $11.00 more expensive on this route.
non stop flight
1 stop
2 stops
03h 36min
06h 12min
17h 22min
$ 284
$ 273
$ 497
The favorite connection is non-stop
74 % of travelers decide to book a direct flight on this route.
Route
bookings
Direct flights
03h 36min, from $ 284
74 %
1 stopover Charlotte Douglas International Airport, NC
06h 12min, from $ 273
16 %
2 stopovers San Salvador Los Angeles International Airport, CA
17h 22min, from $ 497
11 %

Important flight information

Flight information: Washington DC - Austin

Cheapest outbound flight from $ 98,97
Roundtrip from $ 416,20
Flight duration min. 03:40 / max. 05:06
Return flight duration min. 02:54/ max. 03:50
Distance 2086 km
Flights per week 36
Departure airport Airport Washington DC - Dulles International Airport, DC (IAD)
Arrival airport Airport Austin-Bergstrom International Airport, TX (AUS)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Austin
Flight destinations with a similar price