Cheapest return flights from Jacksonville to Knoxville in July from $61

Best time to book flights for Jacksonville (JAX) to Knoxville (TYS) flights at AirHint

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

Return flights

18 Jul - 21 Jul Allegiant Air direct
18 Jul - 25 Jul Allegiant Air direct
18 Jul - 28 Jul Allegiant Air direct
14 Jul - 25 Jul Allegiant Air direct
14 Jul - 28 Jul Allegiant Air direct
21 Jul - 25 Jul Allegiant Air direct
21 Jul - 28 Jul Allegiant Air direct
25 Jul - 28 Jul Allegiant Air direct
04 Jul - 25 Jul Allegiant Air direct
04 Jul - 14 Jul Allegiant Air direct
18 Jul - 04 Aug Allegiant Air direct
14 Jul - 04 Aug Allegiant Air direct
21 Jul - 04 Aug Allegiant Air direct
25 Jul - 04 Aug Allegiant Air direct
28 Jul - 04 Aug Allegiant Air direct

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

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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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