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Cheapest return flights from Indianapolis (IND) to San Juan (SJU), August

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Dates, airline, and price
Dates	Airline	Price
20 Aug 24 Aug	Southwest Airlines
14 Aug 29 Aug	Allegiant Air
05 Aug 09 Aug	Frontier Airlines
07 Aug 09 Aug	Frontier Airlines
01 Aug 08 Aug	Frontier Airlines
01 Aug 01 Aug	Southwest Airlines

deals for one-way flights from Indianapolis to San Juan in August.

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Updated Jun 7, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest return flights from Indianapolis (IND) to San Juan (SJU), August

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