Cheap Flights from MKE

San Juan (SJU)

2026-06-26–2026-07-02 • Southwest • $406 — Save $106 (~18%) Book

2026-06-04–2026-06-11 • Southwest • $406 — Save $106 (~18%) Book

2026-06-01–2026-06-09 • Southwest • $406 — Save $106 (~18%) Book