Cheapest return flights from Detroit to San Juan in October from $160

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

Return flights

02 Oct - 05 Oct Spirit Airlines direct
02 Oct - 18 Oct Spirit Airlines direct
02 Oct - 10 Oct Spirit Airlines direct
02 Oct - 17 Oct Spirit Airlines direct
13 Oct - 18 Oct Spirit Airlines direct
13 Oct - 17 Oct Spirit Airlines direct
31 Oct - 03 Nov Spirit Airlines direct
01 Oct - 18 Oct Spirit Airlines
01 Oct - 05 Oct Spirit Airlines
01 Oct - 17 Oct Spirit Airlines
01 Oct - 10 Oct Spirit Airlines
15 Oct - 03 Nov Spirit Airlines
30 Oct - 02 Nov Southwest Airlines
30 Oct - 03 Nov Spirit Airlines
31 Oct - 02 Nov Spirit Airlines
31 Oct - 11 Nov Spirit Airlines
13 Oct - 02 Nov Spirit Airlines
13 Oct - 03 Nov Spirit Airlines
15 Oct - 02 Nov Spirit Airlines
30 Oct - 11 Nov Spirit Airlines

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

Skyscanner

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.