Cheapest return flights from Key West to St. Petersburg in August from $76

Best time to book flights for Key West (EYW) to St. Petersburg (PIE) flights at AirHint

AirHint found the following cheapest return flights from Key West (EYW) to St. Petersburg (PIE) in August 2025 (see full year).

Return flights

31 Aug - 19 Sep Allegiant Air direct
31 Aug - 11 Sep Allegiant Air direct
31 Aug - 04 Sep Allegiant Air direct
09 Aug - 10 Aug Allegiant Air direct
07 Aug - 09 Aug Allegiant Air direct
07 Aug - 10 Aug Allegiant Air direct
04 Aug - 09 Aug Allegiant Air direct
04 Aug - 06 Aug Allegiant Air direct
04 Aug - 10 Aug Allegiant Air direct
01 Aug - 09 Aug Allegiant Air direct
01 Aug - 06 Aug Allegiant Air direct
01 Aug - 02 Aug Allegiant Air direct
01 Aug - 10 Aug Allegiant Air direct

Also check the deals for one-way flights from Key West to St. Petersburg in August.

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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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