Cheapest return flights from Sioux Falls to San Juan in May from $404
AirHint found the following cheapest return flights from Sioux Falls (FSD) to San Juan (SJU) in May 2025 (see full year).
Return flights
| 27 May - 31 May | American Airlines | ||
| 25 May - 28 May | United |
Also check the deals for one-way flights from Sioux Falls to San Juan in May.
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.
