Cheapest one-way flights from Orlando to Knoxville in September from $39

AirHint found the following cheapest one-way flights from Orlando (ORL) to Knoxville (TYS) in September 2025 (see full year).

One-Way flights

15 Sep Allegiant Air direct
08 Sep Allegiant Air direct
26 Sep Allegiant Air direct
06 Sep Allegiant Air direct
09 Sep Allegiant Air direct
13 Sep Allegiant Air direct
16 Sep Allegiant Air direct
21 Sep Allegiant Air direct
22 Sep Allegiant Air direct
27 Sep Allegiant Air direct

Also check the deals for return flights from Orlando to Knoxville in September.

Skyscanner

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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