Cheapest one-way flights from Indianapolis to San Juan in October from $116

AirHint found the following cheapest one-way flights from Indianapolis (IND) to San Juan (SJU) in October 2025 (see full year).

One-Way flights

28 Oct Spirit Airlines
21 Oct Spirit Airlines
17 Oct Frontier Airlines
25 Oct Spirit Airlines
24 Oct Spirit Airlines
09 Oct American Airlines
16 Oct Spirit Airlines
11 Oct American Airlines
19 Oct Spirit Airlines

Also check the deals for return flights from Indianapolis 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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