Cheapest return FSD–SJU flights, June

AirHint found the following cheapest return flights from Sioux Falls (FSD) to San Juan (SJU) in June 2026 (see full year).

Return flights

27 Jun - 11 Jul Allegiant Air
27 Jun - 03 Jul Allegiant Air
25 Jun - 02 Jul Allegiant Air

Also check the deals for one-way flights from Sioux Falls to San Juan in June.

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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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