Cheapest return flights from Knoxville to Jacksonville in August from $76

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

Return flights

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

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

Skyscanner

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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