Cheapest return flights from Milwaukee to San Juan in May from 307€

Best time to book flights for Milwaukee (MKE) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Milwaukee (MKE) to San Juan (SJU) in May 2025 (see full year).

Return flights

08 May - 23 May Delta

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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