Cheapest return flights from Jacksonville to Knoxville in April from $78
AirHint found the following cheapest return flights from Jacksonville (JAX) to Knoxville (TYS) in April 2025 (see full year).
Return flights
| 03 Apr - 06 Apr | Allegiant Air | direct | |
| 04 Apr - 07 Apr | American Airlines |
Also check the deals for one-way flights from Jacksonville to Knoxville in April.
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.
