AirHint found the following cheapest return flights from Appleton (ATW) to San Juan (SJU) in March 2026 (see full year).
Return flights
| 10 Mar - 18 Mar | American Airlines | ||
| 04 Mar - 10 Mar | American Airlines | ||
| 08 Mar - 12 Mar | American Airlines | ||
| 14 Mar - 20 Mar | Allegiant Air |
Also check the deals for one-way flights from Appleton to San Juan in March.
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