Cheapest return flights from Miami to San Juan in October from $178

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

Return flights

31 Oct - 07 Nov Frontier Airlines direct
30 Oct - 02 Nov Frontier Airlines direct
31 Oct - 02 Nov Frontier Airlines direct
30 Oct - 03 Nov Frontier Airlines direct
30 Oct - 10 Nov Frontier Airlines direct
31 Oct - 03 Nov Frontier Airlines direct
30 Oct - 12 Nov Frontier Airlines
30 Oct - 01 Nov Frontier Airlines
29 Oct - 05 Nov American Airlines direct
29 Oct - 03 Nov American Airlines direct
28 Oct - 31 Oct American Airlines direct
28 Oct - 30 Oct American Airlines direct

Also check the deals for one-way flights from Miami 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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