Cheapest return flights from Key West to St. Petersburg in May 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 May 2025 (see full year).

Return flights

23 May - 29 May Allegiant Air direct
25 May - 29 May Allegiant Air direct
23 May - 28 May Allegiant Air direct
25 May - 15 Jun Allegiant Air direct
23 May - 12 Jun Allegiant Air direct
25 May - 28 May Allegiant Air direct
25 May - 12 Jun Allegiant Air direct
31 May - 15 Jun Allegiant Air direct
29 May - 15 Jun Allegiant Air direct
23 May - 01 Jun Allegiant Air direct
22 May - 29 May Allegiant Air direct
28 May - 29 May Allegiant Air direct
23 May - 24 May Allegiant Air direct
23 May - 25 May Allegiant Air direct
23 May - 26 May Allegiant Air direct
31 May - 12 Jun Allegiant Air direct
29 May - 12 Jun Allegiant Air direct
30 May - 15 Jun Allegiant Air direct
25 May - 14 Jun Allegiant Air direct
22 May - 28 May Allegiant Air direct

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

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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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