Allegiant Air flights from Austin (AUS) to Washington Dulles (IAD).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon 15:57 Austin (AUS) 20:12 Washington Dulles (IAD)
Allegiant Air G4 242 Non-stop Airbus A320 (320) 3:15 Effective 2026-06-08 through 2026-06-29
Fri 16:15 Austin (AUS) 20:36 Washington Dulles (IAD)
Allegiant Air G4 242 Non-stop Airbus A320 (320) 3:21 Operates only on 2026-08-07
Mon,Fri 15:52 Austin (AUS) 20:13 Washington Dulles (IAD)
Allegiant Air G4 251 Non-stop Airbus A320 (320) 3:21 Effective 2026-07-03 through 2026-08-03
Fri 15:57 Austin (AUS) 20:12 Washington Dulles (IAD)
Allegiant Air G4 251 Non-stop Airbus A320 (320) 3:15 Effective 2026-06-05 through 2026-06-26
Mon 16:15 Austin (AUS) 20:36 Washington Dulles (IAD)
Allegiant Air G4 251 Non-stop Airbus A320 (320) 3:21 Operates only on 2026-08-10
Mon,Fri 16:38 Austin (AUS) 20:46 Washington Dulles (IAD)
Allegiant Air G4 251 Non-stop Airbus A320 (320) 3:08 Effective 2026-05-22 through 2026-06-01




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Allegiant Air flights from Austin (AUS) to Washington Dulles (IAD).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Allegiant Air G4242
15:57
Austin (AUS)

20:12
Washington Dulles (IAD)
Effective 2026-06-08 through 2026-06-29
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:15, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4242
16:15
Austin (AUS)

20:36
Washington Dulles (IAD)
Operates only on 2026-08-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:21, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4251
15:52
Austin (AUS)

20:13
Washington Dulles (IAD)
Effective 2026-07-03 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:21, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4251
15:57
Austin (AUS)

20:12
Washington Dulles (IAD)
Effective 2026-06-05 through 2026-06-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:15, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4251
16:15
Austin (AUS)

20:36
Washington Dulles (IAD)
Operates only on 2026-08-10
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:21, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4251
16:38
Austin (AUS)

20:46
Washington Dulles (IAD)
Effective 2026-05-22 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:08, non-stop
Airbus A320 (320)
  • A domestic route departing from the Austin airport (AUS) and arriving at Washington Dulles airport (IAD).
  • The flight distance is 1294 miles, or 2083 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 3:08 and 3:21.
All AUS-IAD flights
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