Cheapest return flights from Jacksonville to Knoxville in December from 72€

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

Return flights

11 Dec - 14 Dec Allegiant Air direct
11 Dec - 18 Dec Allegiant Air direct
11 Dec - 21 Dec Allegiant Air direct
11 Dec - 30 Dec Allegiant Air direct
04 Dec - 18 Dec Allegiant Air direct
04 Dec - 14 Dec Allegiant Air direct
04 Dec - 21 Dec Allegiant Air direct
04 Dec - 07 Dec Allegiant Air direct
27 Dec - 08 Jan Allegiant Air direct
27 Dec - 11 Jan Allegiant Air direct
27 Dec - 30 Dec Allegiant Air direct
27 Dec - 03 Jan Allegiant Air direct

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

Powered by

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.

Book a cheap hotel in Knoxville

Cheap car rent in Knoxville

Feel free to contact us with any feedback or request another flight research.