Cheapest one-way flights from Key West to St. Petersburg in April from $49

AirHint found the following cheapest one-way flights from Key West (EYW) to St. Petersburg (PIE) in April 2026 (see full year).

One-Way flights

29 Apr Allegiant Air direct
27 Apr Allegiant Air direct

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

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.