Cheapest return flights from Detroit to San Juan in April from $134

Best time to book flights for Detroit (DTW) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Detroit (DTW) to San Juan (SJU) in April 2025 (see full year).

Return flights

29 Apr - 06 May Spirit Airlines
14 Apr - 18 Apr Spirit Airlines
15 Apr - 13 May Spirit Airlines
02 Apr - 15 Apr Frontier Airlines
12 Apr - 15 Apr Frontier Airlines
12 Apr - 18 Apr Frontier Airlines
02 Apr - 19 Apr Frontier Airlines
24 Apr - 29 Apr Spirit Airlines
12 Apr - 20 Apr Frontier Airlines
25 Apr - 28 Apr Frontier Airlines
09 Apr - 16 Apr Frontier Airlines
10 Apr - 17 Apr Frontier Airlines
30 Apr - 04 May Spirit Airlines
15 Apr - 13 May Delta direct
30 Apr - 04 May Delta direct

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

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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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