Cheapest return flights from Greenville to St. Petersburg in December from $82

AirHint found the following cheapest return flights from Greenville (GSP) to St. Petersburg (PIE) in December 2025 (see full year).

Return flights

31 Dec - 16 Jan Allegiant Air direct
31 Dec - 12 Jan Allegiant Air direct
05 Dec - 07 Dec Allegiant Air
07 Dec - 08 Dec Allegiant Air
12 Dec - 16 Dec Allegiant Air

Also check the deals for one-way flights from Greenville to St. Petersburg in December.

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