Cheapest one-way flights from Key West to St. Petersburg in October from $43

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

One-Way flights

17 Oct Allegiant Air direct
31 Oct Allegiant Air direct
02 Oct Allegiant Air direct
01 Oct Allegiant Air direct
04 Oct Allegiant Air direct
10 Oct Allegiant Air direct
08 Oct Allegiant Air direct
09 Oct Allegiant Air direct
11 Oct Allegiant Air direct
06 Oct Allegiant Air direct

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

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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