Cheapest return flights from Jacksonville to Knoxville in March from $108

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

Return flights

05 Mar - 19 Mar Allegiant Air direct
05 Mar - 15 Mar Allegiant Air direct
01 Mar - 05 Mar Allegiant Air direct
01 Mar - 19 Mar Allegiant Air direct
01 Mar - 15 Mar Allegiant Air direct
12 Mar - 29 Mar Allegiant Air direct
12 Mar - 15 Mar Allegiant Air direct
12 Mar - 19 Mar Allegiant Air direct
05 Mar - 08 Mar Allegiant Air direct
01 Mar - 08 Mar Allegiant Air direct

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

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