Expect long security queues at IAD, especially in the afternoon. Plan extra time for check-in to avoid missing your flight.

Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $145 (Kiwi.com) |
One-way from | $54 (Cheapflightsfares) |
Popular in | December |
Cheapest in | July |
Average price | $477 |
Good round-trip deal | $378 or less |
Good one-way deal | $195 or less |
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreAustin
BWI - AUS
BWIAUS
Baltimore/Washington
Thu 12/11
8:15 am-12:35 pm
1 stop5h 20m
Austin Bergstrom
Sun 12/14
2:30 pm-9:40 pm
2 stops6h 10m
BaltimoreAustin
BWI - AUS
BWIAUS
Baltimore/Washington
Thu 12/25
7:05 am-2:43 pm
1 stop8h 38m
Austin Bergstrom
Thu 1/1
5:20 am-12:55 pm
1 stop6h 35m
BaltimoreAustin
BWI - AUS
BWIAUS
Baltimore/Washington
Sat 1/17
7:00 am-11:26 am
1 stop5h 26m
Austin Bergstrom
Fri 1/23
12:35 pm-7:45 pm
1 stop6h 10m
Washington, D.C.Austin
IAD - AUS
IADAUS
Washington, D.C. Dulles Intl
Mon 12/8
11:06 am-6:32 pm
1 stop8h 26m
Austin Bergstrom
Wed 12/10
2:27 pm-11:08 pm
1 stop7h 41m
Washington, D.C.Austin
DCA - AUS
DCAAUS
Washington, D.C. Reagan-National
Mon 12/8
6:00 am-11:15 am
1 stop6h 15m
Austin Bergstrom
Sun 12/14
3:24 pm-10:40 pm
1 stop6h 16m
Washington, D.C.Austin
DCA - AUS
DCAAUS
Washington, D.C. Reagan-National
Sat 1/17
7:00 am-11:26 am
1 stop5h 26m
Austin Bergstrom
Sun 1/18
8:00 am-2:40 pm
1 stop5h 40m
BaltimoreAustin
BWI - AUS
BWIAUS
Baltimore/Washington
Thu 12/25
6:00 am-12:56 pm
1 stop7h 56m
Austin Bergstrom
Tue 12/30
5:59 pm-11:58 pm
1 stop4h 59m
BaltimoreAustin
BWI - AUS
BWIAUS
Baltimore/Washington
Thu 1/15
10:05 am-7:30 pm
2 stops10h 25m
Austin Bergstrom
Tue 1/20
5:30 am-2:11 pm
2 stops7h 41m
Washington, D.C.Austin
IAD - AUS
IADAUS
Washington, D.C. Dulles Intl
Wed 12/17
8:20 am-2:11 pm
1 stop6h 51m
Austin Bergstrom
Tue 1/6
4:20 pm-10:18 pm
1 stop4h 58m
BaltimoreAustin
BWI - AUS
BWIAUS
Baltimore/Washington
Sat 12/20
6:59 pm-12:37 am
1 stop6h 38m
Austin Bergstrom
Thu 12/25
5:20 am-12:55 pm
1 stop6h 35m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
The best time to book flights from Washington, D.C. to Austin is 77 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, July is the cheapest month in which you can book a flight from Washington, D.C. to Austin (average of $94). Flying from Washington, D.C. to Austin in September is currently the most expensive (average of $175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s optimal to fly from Washington, D.C. to Austin at noon. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the afternoon.
Travelers seeking maximum savings on their Washington, D.C. to Austin flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Denver (DEN) – chosen by Cheapflights users on 80% of 1-stop itineraries from Washington, D.C. to Austin on Cheapflights.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $250.
Flights via Houston (IAH) have the shortest average one-way travel time for 1-stop routes: 8h 54m.
Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 4h 42m.
Overall
Crew
Comfort
Boarding
Food
Entertainment
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Crew
Comfort
Boarding
Food
Entertainment
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Crew
Comfort
Boarding
Food
Entertainment
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Crew
Comfort
Boarding
Food
Entertainment
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Crew
Comfort
Boarding
Food
Entertainment
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Crew
Comfort
Boarding
Food
Entertainment
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$191 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$135 | Average$226 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$164 | Average$228 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$188 | Average$440 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$231 | Average$467 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$297 | Average$508 | FlexibilityNo cancel fee | On-time63% |