Cheapest return flights from Indianapolis to San Juan in December from $270

AirHint found the following cheapest return flights from Indianapolis (IND) to San Juan (SJU) in December 2025 (see full year).

Return flights

06 Dec - 09 Dec Delta
06 Dec - 24 Dec Spirit Airlines
12 Dec - 24 Dec Spirit Airlines
17 Dec - 10 Jan Spirit Airlines
29 Dec - 14 Jan Spirit Airlines
30 Dec - 14 Jan Spirit Airlines
17 Dec - 24 Dec Spirit Airlines
29 Dec - 17 Jan Spirit Airlines
30 Dec - 17 Jan Spirit Airlines
30 Dec - 01 Jan Allegiant Air
29 Dec - 10 Jan Spirit Airlines
30 Dec - 10 Jan Spirit Airlines
29 Dec - 01 Jan Frontier Airlines
30 Dec - 19 Jan Spirit Airlines
19 Dec - 24 Dec Spirit Airlines
22 Dec - 24 Dec Spirit Airlines
20 Dec - 24 Dec Spirit Airlines
19 Dec - 27 Dec Southwest Airlines

Also check the deals for one-way flights from Indianapolis to San Juan in December.

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