Cheapest return flights from Jacksonville to Knoxville in March from $82

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

Return flights

08 Mar - 26 Mar Allegiant Air direct
08 Mar - 19 Mar Allegiant Air direct
22 Mar - 26 Mar Allegiant Air direct
19 Mar - 26 Mar Allegiant Air direct
22 Mar - 12 Apr Allegiant Air direct
08 Mar - 22 Mar Allegiant Air direct
19 Mar - 22 Mar Allegiant Air direct
01 Mar - 19 Mar Allegiant Air direct
01 Mar - 22 Mar Allegiant Air direct
06 Mar - 15 Mar Allegiant Air
07 Mar - 09 Mar Delta

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

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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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