Cheapest return flights from Detroit to San Juan in April from 162€

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

Return flights

09 Apr - 14 Apr Frontier Airlines
16 Apr - 20 Apr Frontier Airlines
16 Apr - 23 Apr Frontier Airlines
22 Apr - 26 Apr Frontier Airlines
11 Apr - 13 Apr Frontier Airlines
10 Apr - 16 Apr Frontier Airlines
29 Apr - 01 May Frontier Airlines
25 Apr - 01 May Frontier Airlines
29 Apr - 03 May Frontier Airlines
30 Apr - 05 May Frontier Airlines
20 Apr - 25 Apr Spirit Airlines
09 Apr - 25 Apr Spirit Airlines
09 Apr - 17 Apr Spirit Airlines
09 Apr - 18 Apr Spirit Airlines
20 Apr - 01 May Spirit Airlines
20 Apr - 10 May Spirit Airlines
20 Apr - 07 May Spirit Airlines
20 Apr - 05 May Spirit Airlines
16 Apr - 01 May Spirit Airlines
16 Apr - 05 May Spirit Airlines

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

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