Cheapest return flights from Jacksonville to Knoxville in May from $60

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

Return flights

29 May - 01 Jun Allegiant Air direct
29 May - 12 Jun Allegiant Air direct
25 May - 01 Jun Allegiant Air direct
14 May - 01 Jun Allegiant Air direct
17 May - 01 Jun Allegiant Air direct
25 May - 12 Jun Allegiant Air direct
14 May - 22 May Allegiant Air direct
17 May - 22 May Allegiant Air direct
05 May - 08 May Southwest Airlines
21 May - 23 May Delta

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

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