AirHint found the following cheapest return flights from Des Moines (DSM) to San Juan (SJU) in April 2026 (see full year).
Return flights
| 03 Apr - 09 Apr | Allegiant Air | ||
| 09 Apr - 11 Apr | Allegiant Air | ||
| 02 Apr - 06 Apr | Allegiant Air | ||
| 24 Apr - 29 Apr | Delta |
Also check the deals for one-way flights from Des Moines to San Juan in April.
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