Cheapest return flights from Milwaukee to San Juan in January from 199€

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

Return flights

25 Jan - 30 Jan United
25 Jan - 27 Jan United
26 Jan - 30 Jan Delta
15 Jan - 22 Jan United
29 Jan - 05 Feb United
07 Jan - 15 Jan United
18 Jan - 25 Jan Frontier Airlines
16 Jan - 20 Jan Frontier Airlines
08 Jan - 12 Jan United
09 Jan - 12 Jan United
15 Jan - 18 Jan United

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

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