Cheapest return flights from Detroit to San Juan in October from 147€

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

Return flights

20 Oct - 10 Nov Spirit Airlines
27 Oct - 10 Nov Spirit Airlines
24 Oct - 10 Nov Spirit Airlines
02 Oct - 03 Oct Spirit Airlines
02 Oct - 05 Oct Spirit Airlines
02 Oct - 20 Oct Spirit Airlines
02 Oct - 09 Oct Spirit Airlines
02 Oct - 10 Oct Spirit Airlines
02 Oct - 15 Oct Spirit Airlines
02 Oct - 07 Oct Spirit Airlines
02 Oct - 11 Oct Spirit Airlines
02 Oct - 17 Oct Spirit Airlines
02 Oct - 18 Oct Spirit Airlines
23 Oct - 10 Nov Spirit Airlines
27 Oct - 14 Nov Spirit Airlines
24 Oct - 14 Nov Spirit Airlines
25 Oct - 01 Nov Delta
29 Oct - 05 Nov Delta
27 Oct - 17 Nov Spirit Airlines

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

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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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