Allegiant Air flights from Washington Dulles (IAD) to Knoxville (TYS).

FLIGHT SCHEDULE
Direct Flights:
Mon 15:06 Washington Dulles (IAD) 16:40 Knoxville (TYS) Allegiant Air G4 1403 Non-stop Airbus A320 (320) 1:34 Effective 2026-06-08 through 2026-06-29
Thu 09:54 Washington Dulles (IAD) 11:34 Knoxville (TYS) Allegiant Air G4 1406 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-03-05
Thu 14:01 Washington Dulles (IAD) 15:41 Knoxville (TYS) Allegiant Air G4 1406 Non-stop Airbus A320 (320) 1:40 Effective 2026-04-09 through 2026-05-14
Sun 16:13 Washington Dulles (IAD) 17:53 Knoxville (TYS) Allegiant Air G4 1407 Non-stop Airbus A320 (320) 1:40 Effective 2026-01-11 through 2026-02-08
Sun 14:01 Washington Dulles (IAD) 15:41 Knoxville (TYS) Allegiant Air G4 1412 Non-stop Airbus A320 (320) 1:40 Effective 2026-04-12 through 2026-05-17
Thu 20:27 Washington Dulles (IAD) 22:07 Knoxville (TYS) Allegiant Air G4 1412 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-02-26
Sun 20:30 Washington Dulles (IAD) 22:10 Knoxville (TYS) Allegiant Air G4 1414 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-02-22
Sun 20:45 Washington Dulles (IAD) 22:25 Knoxville (TYS) Allegiant Air G4 1414 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-02-15
Sun 20:27 Washington Dulles (IAD) 22:07 Knoxville (TYS) Allegiant Air G4 1419 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-03-01
Thu 15:42 Washington Dulles (IAD) 17:22 Knoxville (TYS) Allegiant Air G4 1421 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-03-19
Thu 15:55 Washington Dulles (IAD) 17:35 Knoxville (TYS) Allegiant Air G4 1421 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-03-26
Fri 15:16 Washington Dulles (IAD) 16:42 Knoxville (TYS) Allegiant Air G4 1422 Non-stop Airbus A320 (320) 1:26 Effective 2026-07-03 through 2026-07-31
Mon 15:30 Washington Dulles (IAD) 17:04 Knoxville (TYS) Allegiant Air G4 1425 Non-stop Airbus A320 (320) 1:34 Effective 2026-08-10 through 2026-08-17
Sat 16:57 Washington Dulles (IAD) 18:37 Knoxville (TYS) Allegiant Air G4 1429 Non-stop Airbus A320 (320) 1:40 Valid until 2026-01-03
Thu 16:13 Washington Dulles (IAD) 17:53 Knoxville (TYS) Allegiant Air G4 1431 Non-stop Airbus A320 (320) 1:40 Effective 2026-01-08 through 2026-02-05
Fri 15:30 Washington Dulles (IAD) 17:04 Knoxville (TYS) Allegiant Air G4 1432 Non-stop Airbus A320 (320) 1:34 Effective 2026-08-07 through 2026-08-14
Thu 20:30 Washington Dulles (IAD) 22:10 Knoxville (TYS) Allegiant Air G4 3024 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-02-19
Thu 20:45 Washington Dulles (IAD) 22:25 Knoxville (TYS) Allegiant Air G4 3024 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-02-12
Fri 15:06 Washington Dulles (IAD) 16:40 Knoxville (TYS) Allegiant Air G4 3035 Non-stop Airbus A320 (320) 1:34 Effective 2026-06-05 through 2026-06-26
Thu 09:04 Washington Dulles (IAD) 10:44 Knoxville (TYS) Allegiant Air G4 3036 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-03-12
Thu 10:54 Washington Dulles (IAD) 12:34 Knoxville (TYS) Allegiant Air G4 3037 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-04-02
Fri 15:08 Washington Dulles (IAD) 16:40 Knoxville (TYS) Allegiant Air G4 3040 Non-stop Airbus A320 (320) 1:32 Effective 2026-05-22 through 2026-05-29
Mon 15:16 Washington Dulles (IAD) 16:42 Knoxville (TYS) Allegiant Air G4 3040 Non-stop Airbus A320 (320) 1:26 Effective 2026-07-06 through 2026-08-03
Mon 15:08 Washington Dulles (IAD) 16:40 Knoxville (TYS) Allegiant Air G4 3045 Non-stop Airbus A320 (320) 1:32 Effective 2026-05-25 through 2026-06-01
Sun 09:04 Washington Dulles (IAD) 10:44 Knoxville (TYS) Allegiant Air G4 3057 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-03-15
Sun 09:54 Washington Dulles (IAD) 11:34 Knoxville (TYS) Allegiant Air G4 3057 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-03-08
Sun 10:54 Washington Dulles (IAD) 12:34 Knoxville (TYS) Allegiant Air G4 3057 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-04-05
Sun 15:42 Washington Dulles (IAD) 17:22 Knoxville (TYS) Allegiant Air G4 3058 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-03-22
Sun 15:55 Washington Dulles (IAD) 17:35 Knoxville (TYS) Allegiant Air G4 3058 Non-stop Airbus A320 (320) 1:40 Operates only on 2026-03-29

A domestic route departing from the Washington Dulles airport (IAD) and arriving at Knoxville airport (TYS).
The flight distance is 419 miles, or 675 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 1:26 and 1:40.

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FLIGHT SCHEDULE

Direct Flights:

Allegiant Air G41403

15:06

Washington Dulles (IAD)

16:40

Knoxville (TYS)

Effective 2026-06-08 through 2026-06-29

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:34, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41406

09:54

Washington Dulles (IAD)

11:34

Knoxville (TYS)

Operates only on 2026-03-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41406

14:01

Washington Dulles (IAD)

15:41

Knoxville (TYS)

Effective 2026-04-09 through 2026-05-14

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41407

16:13

Washington Dulles (IAD)

17:53

Knoxville (TYS)

Effective 2026-01-11 through 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41412

14:01

Washington Dulles (IAD)

15:41

Knoxville (TYS)

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41412

20:27

Washington Dulles (IAD)

22:07

Knoxville (TYS)

Operates only on 2026-02-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41414

20:30

Washington Dulles (IAD)

22:10

Knoxville (TYS)

Operates only on 2026-02-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41414

20:45

Washington Dulles (IAD)

22:25

Knoxville (TYS)

Operates only on 2026-02-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41419

20:27

Washington Dulles (IAD)

22:07

Knoxville (TYS)

Operates only on 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41421

15:42

Washington Dulles (IAD)

17:22

Knoxville (TYS)

Operates only on 2026-03-19

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41421

15:55

Washington Dulles (IAD)

17:35

Knoxville (TYS)

Operates only on 2026-03-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41422

15:16

Washington Dulles (IAD)

16:42

Knoxville (TYS)

Effective 2026-07-03 through 2026-07-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:26, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41425

15:30

Washington Dulles (IAD)

17:04

Knoxville (TYS)

Effective 2026-08-10 through 2026-08-17

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:34, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41429

16:57

Washington Dulles (IAD)

18:37

Knoxville (TYS)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41431

16:13

Washington Dulles (IAD)

17:53

Knoxville (TYS)

Effective 2026-01-08 through 2026-02-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41432

15:30

Washington Dulles (IAD)

17:04

Knoxville (TYS)

Effective 2026-08-07 through 2026-08-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:34, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43024

20:30

Washington Dulles (IAD)

22:10

Knoxville (TYS)

Operates only on 2026-02-19

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43024

20:45

Washington Dulles (IAD)

22:25

Knoxville (TYS)

Operates only on 2026-02-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43035

15:06

Washington Dulles (IAD)

16:40

Knoxville (TYS)

Effective 2026-06-05 through 2026-06-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:34, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43036

09:04

Washington Dulles (IAD)

10:44

Knoxville (TYS)

Operates only on 2026-03-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43037

10:54

Washington Dulles (IAD)

12:34

Knoxville (TYS)

Operates only on 2026-04-02

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43040

15:08

Washington Dulles (IAD)

16:40

Knoxville (TYS)

Effective 2026-05-22 through 2026-05-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:32, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43040

15:16

Washington Dulles (IAD)

16:42

Knoxville (TYS)

Effective 2026-07-06 through 2026-08-03

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:26, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43045

15:08

Washington Dulles (IAD)

16:40

Knoxville (TYS)

Effective 2026-05-25 through 2026-06-01

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:32, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43057

09:04

Washington Dulles (IAD)

10:44

Knoxville (TYS)

Operates only on 2026-03-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43057

09:54

Washington Dulles (IAD)

11:34

Knoxville (TYS)

Operates only on 2026-03-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43057

10:54

Washington Dulles (IAD)

12:34

Knoxville (TYS)

Operates only on 2026-04-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43058

15:42

Washington Dulles (IAD)

17:22

Knoxville (TYS)

Operates only on 2026-03-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43058

15:55

Washington Dulles (IAD)

17:35

Knoxville (TYS)

Operates only on 2026-03-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Airbus A320 (320)

A domestic route departing from the Washington Dulles airport (IAD) and arriving at Knoxville airport (TYS).
The flight distance is 419 miles, or 675 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 1:26 and 1:40.

All IAD-TYS flights

All Allegiant Air flights

Return (TYS-IAD) flights

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