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

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

Return flights

01 Mar - 05 Mar Allegiant Air direct
01 Mar - 01 Mar Allegiant Air direct
26 Mar - 05 Apr Allegiant Air direct
15 Mar - 02 Apr Allegiant Air direct
26 Mar - 02 Apr Allegiant Air direct
15 Mar - 22 Mar Allegiant Air direct
26 Mar - 09 Apr Allegiant Air direct
15 Mar - 29 Mar Allegiant Air direct
26 Mar - 29 Mar Allegiant Air direct
05 Mar - 05 Mar Allegiant Air direct
01 Mar - 19 Mar Allegiant Air direct
22 Mar - 05 Apr Allegiant Air direct
29 Mar - 05 Apr Allegiant Air direct
08 Mar - 22 Mar Allegiant Air direct
15 Mar - 19 Mar Allegiant Air direct
15 Mar - 26 Mar Allegiant Air direct
22 Mar - 02 Apr Allegiant Air direct
29 Mar - 02 Apr Allegiant Air direct
22 Mar - 09 Apr Allegiant Air direct
29 Mar - 09 Apr Allegiant Air direct

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