Cheapest return flights from Sanford to Portsmouth in May from $155

AirHint found the following cheapest return flights from Sanford (SFB) to Portsmouth (PSM) in May 2026 (see full year).

Return flights

04 May - 05 May Allegiant Air direct
04 May - 07 May Allegiant Air direct
04 May - 14 May Allegiant Air direct
31 May - 14 Jun Allegiant Air direct
03 May - 05 May Allegiant Air direct
02 May - 05 May Allegiant Air direct
03 May - 07 May Allegiant Air direct
02 May - 07 May Allegiant Air direct
03 May - 14 May Allegiant Air direct
02 May - 14 May Allegiant Air direct

Also check the deals for one-way flights from Sanford to Portsmouth in May.

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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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