Cheapest return flights from Orlando to Knoxville in December from $104

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

Return flights

12 Dec - 15 Dec Allegiant Air direct
04 Dec - 15 Dec Allegiant Air direct
05 Dec - 15 Dec Allegiant Air direct
04 Dec - 05 Dec Allegiant Air direct
05 Dec - 05 Dec Allegiant Air direct
04 Dec - 23 Dec Allegiant Air direct
05 Dec - 23 Dec Allegiant Air direct
04 Dec - 11 Dec Allegiant Air direct
05 Dec - 11 Dec Allegiant Air direct
04 Dec - 19 Dec Allegiant Air direct

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

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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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