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

Return flights

20 Dec - 08 Jan	Allegiant Air	direct
21 Dec - 08 Jan	Allegiant Air	direct
20 Dec - 27 Dec	Allegiant Air	direct
21 Dec - 27 Dec	Allegiant Air	direct
20 Dec - 04 Jan	Allegiant Air	direct
29 Dec - 08 Jan	Allegiant Air	direct
21 Dec - 04 Jan	Allegiant Air	direct
29 Dec - 04 Jan	Allegiant Air	direct

Also check the deals for one-way flights from Harrisburg 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 Harrisburg to Sanford in December from 134€

Return flights