Cheapest one-way flights from Knoxville to St. Petersburg in December from 40€

AirHint found the following cheapest one-way flights from Knoxville (TYS) to St. Petersburg (PIE) in December 2025 (see full year).

One-Way flights

04 Dec Allegiant Air direct
05 Dec Allegiant Air direct
29 Dec Allegiant Air direct
02 Dec Allegiant Air direct
12 Dec Allegiant Air direct
01 Dec Allegiant Air direct
26 Dec Allegiant Air direct
16 Dec Allegiant Air

Also check the deals for return flights from Knoxville to St. Petersburg in December.

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