Cheapest return flights from Key West to St. Petersburg in October from $86

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

Return flights

17 Oct - 27 Oct Allegiant Air direct
01 Oct - 13 Oct Allegiant Air direct
24 Oct - 27 Oct Allegiant Air direct
17 Oct - 22 Oct Allegiant Air direct
01 Oct - 22 Oct Allegiant Air direct
02 Oct - 13 Oct Allegiant Air direct
04 Oct - 13 Oct Allegiant Air direct
10 Oct - 13 Oct Allegiant Air direct
10 Oct - 27 Oct Allegiant Air direct
01 Oct - 04 Oct Allegiant Air direct
17 Oct - 03 Nov Allegiant Air direct
24 Oct - 03 Nov Allegiant Air direct
22 Oct - 03 Nov Allegiant Air direct
23 Oct - 03 Nov Allegiant Air direct
19 Oct - 03 Nov Allegiant Air direct
13 Oct - 03 Nov Allegiant Air direct
27 Oct - 03 Nov Allegiant Air direct
26 Oct - 03 Nov Allegiant Air direct

Also check the deals for one-way 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.

Book a cheap hotel in St. Petersburg

Cheap car rent in St. Petersburg

Feel free to contact us with any feedback or request another flight research.