Cheapest return flights from St. Petersburg to Greenville in April from $145

AirHint found the following cheapest return flights from St. Petersburg (PIE) to Greenville (GSP) in April 2026 (see full year).

Return flights

12 Apr - 19 Apr Allegiant Air direct
23 Apr - 10 May Allegiant Air direct
26 Apr - 10 May Allegiant Air direct
12 Apr - 23 Apr Allegiant Air direct

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

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