Cheapest one-way flights from St. Petersburg to Key West in August from $48

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

One-Way flights

15 Aug Allegiant Air direct
03 Aug Allegiant Air direct
06 Aug Allegiant Air direct
10 Aug Allegiant Air direct
13 Aug Allegiant Air direct
16 Aug Allegiant Air direct
17 Aug Allegiant Air direct
20 Aug Allegiant Air direct
25 Aug Allegiant Air direct
28 Aug Allegiant Air direct

Also check the deals for return flights from St. Petersburg to Key West in August.

Skyscanner

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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