Cheapest return flights from Milwaukee to San Juan in March from $313

AirHint found the following cheapest return flights from Milwaukee (MKE) to San Juan (SJU) in March 2026 (see full year).

Return flights

08 Mar - 12 Mar Southwest Airlines
07 Mar - 14 Mar Southwest Airlines
15 Mar - 21 Mar Southwest Airlines
07 Mar - 15 Mar Southwest Airlines
12 Mar - 15 Mar Southwest Airlines
28 Mar - 04 Apr American Airlines

Also check the deals for one-way flights from Milwaukee to San Juan in March.

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