Cheapest return flights from Greenville to St. Petersburg in September from $96

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

Return flights

05 Sep - 15 Sep Allegiant Air direct
08 Sep - 15 Sep Allegiant Air direct
08 Sep - 29 Sep Allegiant Air direct
19 Sep - 29 Sep Allegiant Air direct
22 Sep - 29 Sep Allegiant Air direct
05 Sep - 12 Sep Allegiant Air direct
05 Sep - 26 Sep Allegiant Air direct
08 Sep - 12 Sep Allegiant Air direct
08 Sep - 26 Sep Allegiant Air direct
19 Sep - 26 Sep Allegiant Air direct

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

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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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