Cheapest return flights from Jacksonville to Knoxville in August from $56

AirHint found the following cheapest return flights from Jacksonville (JAX) to Knoxville (TYS) in August 2025 (see full year).

Return flights

08 Aug - 11 Aug Allegiant Air direct
01 Aug - 04 Aug Allegiant Air direct
29 Aug - 01 Sep Allegiant Air direct
11 Aug - 18 Aug Allegiant Air direct
11 Aug - 15 Aug Allegiant Air direct
08 Aug - 18 Aug Allegiant Air direct
08 Aug - 15 Aug Allegiant Air direct
01 Aug - 18 Aug Allegiant Air direct
01 Aug - 15 Aug Allegiant Air direct
01 Aug - 11 Aug Allegiant Air direct
22 Aug - 04 Sep Allegiant Air direct
22 Aug - 07 Sep Allegiant Air direct
22 Aug - 11 Sep Allegiant Air direct
18 Aug - 04 Sep Allegiant Air direct
18 Aug - 07 Sep Allegiant Air direct
25 Aug - 04 Sep Allegiant Air direct
25 Aug - 07 Sep Allegiant Air direct
25 Aug - 11 Sep Allegiant Air direct
29 Aug - 04 Sep Allegiant Air direct
11 Aug - 29 Aug Allegiant Air direct

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

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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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