Cheapest return flights from Miami to San Juan in October from $156

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

Return flights

04 Oct - 10 Oct Frontier Airlines
05 Oct - 10 Oct Frontier Airlines direct
04 Oct - 11 Oct Frontier Airlines
05 Oct - 11 Oct Frontier Airlines
09 Oct - 13 Oct Frontier Airlines
17 Oct - 24 Oct Frontier Airlines direct
06 Oct - 12 Oct Frontier Airlines direct
05 Oct - 12 Oct Frontier Airlines direct
11 Oct - 12 Oct Frontier Airlines
09 Oct - 13 Oct Frontier Airlines direct
19 Oct - 07 Nov Spirit Airlines

Also check the deals for one-way flights from Miami 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.

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