AirHint found the following cheapest return flights from Knoxville (TYS) to Jacksonville (JAX) in January 2026 (see full year).

Return flights

08 Jan - 15 Jan	Allegiant Air	direct
08 Jan - 11 Jan	Allegiant Air	direct
11 Jan - 18 Jan	Allegiant Air	direct
10 Jan - 17 Jan	Delta
13 Jan - 20 Jan	Delta
14 Jan - 21 Jan	Delta
09 Jan - 16 Jan	American Airlines
12 Jan - 19 Jan	American Airlines

Also check the deals for one-way flights from Knoxville to Jacksonville in January.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Jacksonville

Cheap car rent in Jacksonville

Cheapest return flights from Knoxville to Jacksonville in January from 68€

Return flights