AirHint found the following cheapest return flights from Rockford (RFD) to Sanford (SFB) in December 2025 (see full year).

Return flights

15 Dec - 22 Dec	Allegiant Air	direct
08 Dec - 13 Dec	Allegiant Air	direct
22 Dec - 30 Dec	Allegiant Air	direct
23 Dec - 30 Dec	Allegiant Air	direct
15 Dec - 18 Dec	Allegiant Air
01 Dec - 05 Dec	Allegiant Air
01 Dec - 06 Dec	Allegiant Air
12 Dec - 21 Dec	Allegiant Air
13 Dec - 21 Dec	Allegiant Air
23 Dec - 28 Dec	Allegiant Air	direct
20 Dec - 03 Jan	Allegiant Air

Also check the deals for one-way flights from Rockford to Sanford in December.

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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Cheapest return flights from Rockford to Sanford in December from $223

Return flights