Cheapest return flights from Jacksonville to Knoxville in January from 66€

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

Return flights

08 Jan - 25 Jan Allegiant Air direct
08 Jan - 29 Jan Allegiant Air direct
22 Jan - 25 Jan Allegiant Air direct
22 Jan - 29 Jan Allegiant Air direct
22 Jan - 05 Feb Allegiant Air direct
22 Jan - 08 Feb Allegiant Air direct
08 Jan - 11 Jan Allegiant Air direct
15 Jan - 25 Jan Allegiant Air direct
15 Jan - 29 Jan Allegiant Air direct
15 Jan - 05 Feb Allegiant Air direct
08 Jan - 18 Jan Allegiant Air direct
15 Jan - 18 Jan Allegiant Air direct
18 Jan - 21 Jan Allegiant Air

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

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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.

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