All airlines flying from Knoxville (TYS) to Jacksonville (JAX).

FLIGHT SCHEDULE
Direct Flights:
Sun 11:55 Knoxville (TYS) 13:17 Jacksonville (JAX) Allegiant Air G4 1406 Non-stop Airbus A320 (320) 1:22 Operates only on 2026-03-15
Sun 11:05 Knoxville (TYS) 12:27 Jacksonville (JAX) Allegiant Air G4 1422 Non-stop Airbus A320 (320) 1:22 Operates only on 2026-03-29
Mon 12:50 Knoxville (TYS) 14:10 Jacksonville (JAX) Allegiant Air G4 1438 Non-stop Airbus A320 (320) 1:20 Effective 2026-08-10 through 2026-08-17
Fri 12:40 Knoxville (TYS) 14:00 Jacksonville (JAX) Allegiant Air G4 3020 Non-stop Airbus A320 (320) 1:20 Effective 2026-06-05 through 2026-07-31
Thu,Sun 19:26 Knoxville (TYS) 20:52 Jacksonville (JAX) Allegiant Air G4 3020 Non-stop Airbus A320 (320) 1:26 Effective 2026-01-08 through 2026-02-08
Fri 12:27 Knoxville (TYS) 13:47 Jacksonville (JAX) Allegiant Air G4 3027 Non-stop Airbus A320 (320) 1:20 Effective 2026-05-22 through 2026-05-29
Mon 12:40 Knoxville (TYS) 14:00 Jacksonville (JAX) Allegiant Air G4 3027 Non-stop Airbus A320 (320) 1:20 Effective 2026-06-08 through 2026-08-03
Thu 11:50 Knoxville (TYS) 13:16 Jacksonville (JAX) Allegiant Air G4 3029 Non-stop Airbus A320 (320) 1:26 Operates only on 2026-02-26
Sun 11:50 Knoxville (TYS) 13:19 Jacksonville (JAX) Allegiant Air G4 3034 Non-stop Airbus A320 (320) 1:29 Operates only on 2026-02-15
Thu 11:54 Knoxville (TYS) 13:16 Jacksonville (JAX) Allegiant Air G4 3041 Non-stop Airbus A320 (320) 1:22 Operates only on 2026-03-05
Thu 11:50 Knoxville (TYS) 13:19 Jacksonville (JAX) Allegiant Air G4 3045 Non-stop Airbus A320 (320) 1:29 Effective 2026-02-12 through 2026-02-19
Mon 12:27 Knoxville (TYS) 13:47 Jacksonville (JAX) Allegiant Air G4 3047 Non-stop Airbus A320 (320) 1:20 Effective 2026-05-25 through 2026-06-01
Sun 11:50 Knoxville (TYS) 13:16 Jacksonville (JAX) Allegiant Air G4 3048 Non-stop Airbus A320 (320) 1:26 Operates only on 2026-03-01
Sun 11:50 Knoxville (TYS) 13:19 Jacksonville (JAX) Allegiant Air G4 3050 Non-stop Airbus A320 (320) 1:29 Operates only on 2026-02-22
Sun 12:37 Knoxville (TYS) 13:59 Jacksonville (JAX) Allegiant Air G4 3051 Non-stop Airbus A320 (320) 1:22 Effective 2026-04-12 through 2026-05-03
Sun 12:55 Knoxville (TYS) 14:17 Jacksonville (JAX) Allegiant Air G4 3051 Non-stop Airbus A320 (320) 1:22 Effective 2026-05-10 through 2026-05-17
Sun 11:09 Knoxville (TYS) 12:31 Jacksonville (JAX) Allegiant Air G4 3055 Non-stop Airbus A320 (320) 1:22 Operates only on 2026-03-22
Thu 12:37 Knoxville (TYS) 13:59 Jacksonville (JAX) Allegiant Air G4 3055 Non-stop Airbus A320 (320) 1:22 Effective 2026-04-09 through 2026-04-30
Thu 12:55 Knoxville (TYS) 14:17 Jacksonville (JAX) Allegiant Air G4 3055 Non-stop Airbus A320 (320) 1:22 Effective 2026-05-07 through 2026-05-14
Sun 11:54 Knoxville (TYS) 13:16 Jacksonville (JAX) Allegiant Air G4 3060 Non-stop Airbus A320 (320) 1:22 Operates only on 2026-03-08
Thu 11:05 Knoxville (TYS) 12:27 Jacksonville (JAX) Allegiant Air G4 3061 Non-stop Airbus A320 (320) 1:22 Operates only on 2026-03-26
Thu 11:09 Knoxville (TYS) 12:31 Jacksonville (JAX) Allegiant Air G4 3061 Non-stop Airbus A320 (320) 1:22 Operates only on 2026-03-19
Thu 11:55 Knoxville (TYS) 13:17 Jacksonville (JAX) Allegiant Air G4 3061 Non-stop Airbus A320 (320) 1:22 Operates only on 2026-03-12
Thu 11:12 Knoxville (TYS) 12:32 Jacksonville (JAX) Allegiant Air G4 3063 Non-stop Airbus A320 (320) 1:20 Operates only on 2026-04-02
Fri 12:50 Knoxville (TYS) 14:10 Jacksonville (JAX) Allegiant Air G4 3063 Non-stop Airbus A320 (320) 1:20 Effective 2026-08-07 through 2026-08-14
Sun 11:12 Knoxville (TYS) 12:32 Jacksonville (JAX) Allegiant Air G4 3064 Non-stop Airbus A320 (320) 1:20 Operates only on 2026-04-05
Sat 11:51 Knoxville (TYS) 13:10 Jacksonville (JAX) Allegiant Air G4 3064 Non-stop Airbus A320 (320) 1:19 Valid until 2026-01-03

A domestic route departing from the Knoxville airport (TYS) and arriving at Jacksonville airport (JAX).
The flight distance is 390 miles, or 628 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 1:19 and 1:29.

Return (JAX-TYS) flights

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All airlines flying from Knoxville (TYS) to Jacksonville (JAX).

FLIGHT SCHEDULE

Direct Flights:

Allegiant Air G41406

11:55

Knoxville (TYS)

13:17

Jacksonville (JAX)

Operates only on 2026-03-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:22, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41422

11:05

Knoxville (TYS)

12:27

Jacksonville (JAX)

Operates only on 2026-03-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:22, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G41438

12:50

Knoxville (TYS)

14:10

Jacksonville (JAX)

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:20, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43020

12:40

Knoxville (TYS)

14:00

Jacksonville (JAX)

Effective 2026-06-05 through 2026-07-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:20, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43020

19:26

Knoxville (TYS)

20:52

Jacksonville (JAX)

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

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

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

Direct Flights:

Allegiant Air G43027

12:27

Knoxville (TYS)

13:47

Jacksonville (JAX)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:20, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43027

12:40

Knoxville (TYS)

14:00

Jacksonville (JAX)

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:20, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43029

11:50

Knoxville (TYS)

13:16

Jacksonville (JAX)

Operates only on 2026-02-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Allegiant Air G43034

11:50

Knoxville (TYS)

13:19

Jacksonville (JAX)

Operates only on 2026-02-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:29, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43041

11:54

Knoxville (TYS)

13:16

Jacksonville (JAX)

Operates only on 2026-03-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:22, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43045

11:50

Knoxville (TYS)

13:19

Jacksonville (JAX)

Effective 2026-02-12 through 2026-02-19

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:29, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43047

12:27

Knoxville (TYS)

13:47

Jacksonville (JAX)

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:20, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43048

11:50

Knoxville (TYS)

13:16

Jacksonville (JAX)

Operates only on 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Allegiant Air G43050

11:50

Knoxville (TYS)

13:19

Jacksonville (JAX)

Operates only on 2026-02-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:29, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43051

12:37

Knoxville (TYS)

13:59

Jacksonville (JAX)

Effective 2026-04-12 through 2026-05-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:22, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43051

12:55

Knoxville (TYS)

14:17

Jacksonville (JAX)

Effective 2026-05-10 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:22, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43055

11:09

Knoxville (TYS)

12:31

Jacksonville (JAX)

Operates only on 2026-03-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:22, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43055

12:37

Knoxville (TYS)

13:59

Jacksonville (JAX)

Effective 2026-04-09 through 2026-04-30

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:22, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43055

12:55

Knoxville (TYS)

14:17

Jacksonville (JAX)

Effective 2026-05-07 through 2026-05-14

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:22, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43060

11:54

Knoxville (TYS)

13:16

Jacksonville (JAX)

Operates only on 2026-03-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:22, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43061

11:05

Knoxville (TYS)

12:27

Jacksonville (JAX)

Operates only on 2026-03-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:22, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43061

11:09

Knoxville (TYS)

12:31

Jacksonville (JAX)

Operates only on 2026-03-19

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:22, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43061

11:55

Knoxville (TYS)

13:17

Jacksonville (JAX)

Operates only on 2026-03-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:22, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43063

11:12

Knoxville (TYS)

12:32

Jacksonville (JAX)

Operates only on 2026-04-02

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:20, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43063

12:50

Knoxville (TYS)

14:10

Jacksonville (JAX)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:20, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43064

11:12

Knoxville (TYS)

12:32

Jacksonville (JAX)

Operates only on 2026-04-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:20, non-stop
Airbus A320 (320)

Direct Flights:

Allegiant Air G43064

11:51

Knoxville (TYS)

13:10

Jacksonville (JAX)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:19, non-stop
Airbus A320 (320)

A domestic route departing from the Knoxville airport (TYS) and arriving at Jacksonville airport (JAX).
The flight distance is 390 miles, or 628 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 1:19 and 1:29.

Return (JAX-TYS) flights

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