Cheapest return flights from Rockford to St. Petersburg in March from $330

AirHint found the following cheapest return flights from Rockford (RFD) to St. Petersburg (PIE) in March 2026 (see full year).

Return flights

25 Mar - 01 Apr Allegiant Air direct
21 Mar - 01 Apr Allegiant Air direct
25 Mar - 28 Mar Allegiant Air direct
20 Mar - 25 Mar Allegiant Air direct
25 Mar - 04 Apr Allegiant Air direct
28 Mar - 01 Apr Allegiant Air direct
21 Mar - 28 Mar Allegiant Air direct
21 Mar - 04 Apr Allegiant Air direct
28 Mar - 04 Apr Allegiant Air direct

Also check the deals for one-way flights from Rockford to St. Petersburg in March.

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