Cheapest return flights from Detroit to San Juan in March from $193

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

Return flights

01 Mar - 03 Mar Spirit Airlines
04 Mar - 10 Mar Frontier Airlines
05 Mar - 10 Mar Spirit Airlines
01 Mar - 05 Mar Spirit Airlines
11 Mar - 11 Mar Spirit Airlines
01 Mar - 04 Mar Spirit Airlines
01 Mar - 10 Mar Spirit Airlines
01 Mar - 11 Mar Spirit Airlines
03 Mar - 04 Mar Spirit Airlines
03 Mar - 10 Mar Spirit Airlines
31 Mar - 13 Apr Frontier Airlines
25 Mar - 09 Apr Spirit Airlines
25 Mar - 07 Apr Spirit Airlines
25 Mar - 13 Apr Spirit Airlines
31 Mar - 09 Apr Spirit Airlines
20 Mar - 09 Apr Spirit Airlines
19 Mar - 09 Apr Spirit Airlines
31 Mar - 07 Apr Spirit Airlines
31 Mar - 16 Apr Spirit Airlines
20 Mar - 07 Apr Spirit Airlines

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

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