Allegiant Air flights from Washington Dulles (IAD) to Jacksonville (JAX).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Fri 17:31 Washington Dulles (IAD) 19:41 Jacksonville (JAX)
Allegiant Air G4 367 Non-stop Airbus A320 (320) 2:10 Operates only on 2026-01-02
Fri 13:32 Washington Dulles (IAD) 15:43 Jacksonville (JAX)
Allegiant Air G4 373 Non-stop Airbus A320 (320) 2:11 Operates only on 2026-03-06
Mon,Fri 18:49 Washington Dulles (IAD) 20:55 Jacksonville (JAX)
Allegiant Air G4 373 Non-stop Airbus A320 (320) 2:06 Effective 2026-04-03 through 2026-04-06
Fri 18:42 Washington Dulles (IAD) 20:53 Jacksonville (JAX)
Allegiant Air G4 375 Non-stop Airbus A320 (320) 2:11 Effective 2026-03-20 through 2026-03-27
Fri 18:45 Washington Dulles (IAD) 20:56 Jacksonville (JAX)
Allegiant Air G4 379 Non-stop Airbus A320 (320) 2:11 Operates only on 2026-03-13
Mon,Fri 18:49 Washington Dulles (IAD) 20:54 Jacksonville (JAX)
Allegiant Air G4 379 Non-stop Airbus A320 (320) 2:05 Effective 2026-06-05 through 2026-06-29
Fri 18:46 Washington Dulles (IAD) 20:50 Jacksonville (JAX)
Allegiant Air G4 380 Non-stop Airbus A320 (320) 2:04 Effective 2026-07-03 through 2026-07-31
Mon 18:48 Washington Dulles (IAD) 21:00 Jacksonville (JAX)
Allegiant Air G4 380 Non-stop Airbus A320 (320) 2:12 Effective 2026-08-10 through 2026-08-17
Mon 18:46 Washington Dulles (IAD) 20:50 Jacksonville (JAX)
Allegiant Air G4 383 Non-stop Airbus A320 (320) 2:04 Effective 2026-07-06 through 2026-08-03
Mon 18:42 Washington Dulles (IAD) 20:53 Jacksonville (JAX)
Allegiant Air G4 389 Non-stop Airbus A320 (320) 2:11 Effective 2026-03-23 through 2026-03-30
Mon 18:45 Washington Dulles (IAD) 20:56 Jacksonville (JAX)
Allegiant Air G4 389 Non-stop Airbus A320 (320) 2:11 Operates only on 2026-03-16
Fri 18:48 Washington Dulles (IAD) 21:00 Jacksonville (JAX)
Allegiant Air G4 390 Non-stop Airbus A320 (320) 2:12 Effective 2026-08-07 through 2026-08-14
Mon,Fri 18:25 Washington Dulles (IAD) 20:37 Jacksonville (JAX)
Allegiant Air G4 393 Non-stop Airbus A320 (320) 2:12 Effective 2026-05-22 through 2026-06-01
Mon 17:35 Washington Dulles (IAD) 19:45 Jacksonville (JAX)
Allegiant Air G4 401 Non-stop Airbus A320 (320) 2:10 Operates only on 2026-01-05
Mon 15:34 Washington Dulles (IAD) 17:40 Jacksonville (JAX)
Allegiant Air G4 403 Non-stop Airbus A320 (320) 2:06 Effective 2026-04-13 through 2026-05-18
Mon 13:32 Washington Dulles (IAD) 15:43 Jacksonville (JAX)
Allegiant Air G4 409 Non-stop Airbus A320 (320) 2:11 Operates only on 2026-03-09
Fri 15:34 Washington Dulles (IAD) 17:40 Jacksonville (JAX)
Allegiant Air G4 426 Non-stop Airbus A320 (320) 2:06 Effective 2026-04-10 through 2026-05-15




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Allegiant Air flights from Washington Dulles (IAD) to Jacksonville (JAX).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Allegiant Air G4367
17:31
Washington Dulles (IAD)

19:41
Jacksonville (JAX)
Operates only on 2026-01-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4373
13:32
Washington Dulles (IAD)

15:43
Jacksonville (JAX)
Operates only on 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:11, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4373
18:49
Washington Dulles (IAD)

20:55
Jacksonville (JAX)
Effective 2026-04-03 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:06, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4375
18:42
Washington Dulles (IAD)

20:53
Jacksonville (JAX)
Effective 2026-03-20 through 2026-03-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:11, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4379
18:45
Washington Dulles (IAD)

20:56
Jacksonville (JAX)
Operates only on 2026-03-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:11, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4379
18:49
Washington Dulles (IAD)

20:54
Jacksonville (JAX)
Effective 2026-06-05 through 2026-06-29
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4380
18:46
Washington Dulles (IAD)

20:50
Jacksonville (JAX)
Effective 2026-07-03 through 2026-07-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:04, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4380
18:48
Washington Dulles (IAD)

21:00
Jacksonville (JAX)
Effective 2026-08-10 through 2026-08-17
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:12, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4383
18:46
Washington Dulles (IAD)

20:50
Jacksonville (JAX)
Effective 2026-07-06 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:04, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4389
18:42
Washington Dulles (IAD)

20:53
Jacksonville (JAX)
Effective 2026-03-23 through 2026-03-30
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:11, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4389
18:45
Washington Dulles (IAD)

20:56
Jacksonville (JAX)
Operates only on 2026-03-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:11, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4390
18:48
Washington Dulles (IAD)

21:00
Jacksonville (JAX)
Effective 2026-08-07 through 2026-08-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:12, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4393
18:25
Washington Dulles (IAD)

20:37
Jacksonville (JAX)
Effective 2026-05-22 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:12, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4401
17:35
Washington Dulles (IAD)

19:45
Jacksonville (JAX)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4403
15:34
Washington Dulles (IAD)

17:40
Jacksonville (JAX)
Effective 2026-04-13 through 2026-05-18
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:06, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4409
13:32
Washington Dulles (IAD)

15:43
Jacksonville (JAX)
Operates only on 2026-03-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:11, non-stop
Airbus A320 (320)
Direct Flights:
Allegiant Air G4426
15:34
Washington Dulles (IAD)

17:40
Jacksonville (JAX)
Effective 2026-04-10 through 2026-05-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:06, non-stop
Airbus A320 (320)
  • A domestic route departing from the Washington Dulles airport (IAD) and arriving at Jacksonville airport (JAX).
  • The flight distance is 631 miles, or 1016 km.
  • The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 2:04 and 2:12.
All IAD-JAX flights
All Allegiant Air flights
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