Cheapest return flights from Charlotte to San Juan in January from 128€

AirHint found the following cheapest return flights from Charlotte (CLT) to San Juan (SJU) in January 2026 (see full year).

Return flights

24 Jan - 28 Jan Frontier Airlines
26 Jan - 31 Jan Spirit Airlines
28 Jan - 31 Jan Frontier Airlines
09 Jan - 17 Jan Frontier Airlines
08 Jan - 10 Jan Frontier Airlines
12 Jan - 17 Jan Frontier Airlines
23 Jan - 31 Jan Spirit Airlines
24 Jan - 26 Jan Frontier Airlines
24 Jan - 27 Jan Frontier Airlines
12 Jan - 16 Jan Frontier Airlines
25 Jan - 14 Feb Spirit Airlines
25 Jan - 07 Feb Spirit Airlines
22 Jan - 07 Feb Spirit Airlines
25 Jan - 05 Feb Spirit Airlines
25 Jan - 11 Feb Spirit Airlines
22 Jan - 05 Feb Spirit Airlines
22 Jan - 11 Feb Spirit Airlines
26 Jan - 14 Feb Spirit Airlines
26 Jan - 07 Feb Spirit Airlines
18 Jan - 07 Feb Spirit Airlines

Also check the deals for one-way flights from Charlotte to San Juan in January.

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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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