Cheapest return flights from Milwaukee to San Juan in March from 367€

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

Return flights

30 Mar - 06 Apr Southwest Airlines
05 Mar - 09 Mar Frontier Airlines
13 Mar - 18 Mar Southwest Airlines
14 Mar - 18 Mar Southwest Airlines
13 Mar - 17 Mar Frontier Airlines
07 Mar - 15 Mar Southwest Airlines
15 Mar - 21 Mar Frontier Airlines
30 Mar - 04 Apr Southwest Airlines
28 Mar - 02 Apr United
14 Mar - 21 Mar Frontier Airlines
29 Mar - 05 Apr Frontier Airlines
28 Mar - 03 Apr Southwest Airlines

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

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