Cheapest return flights from Charlotte to San Juan in April from 172€

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

Return flights

09 Apr - 13 Apr Frontier Airlines
21 Apr - 22 Apr Spirit Airlines
25 Apr - 13 May Spirit Airlines
21 Apr - 23 Apr Spirit Airlines
21 Apr - 24 Apr Spirit Airlines
20 Apr - 22 Apr Spirit Airlines
20 Apr - 23 Apr Spirit Airlines
26 Apr - 13 May Spirit Airlines
09 Apr - 12 Apr Frontier Airlines
20 Apr - 24 Apr Spirit Airlines
06 Apr - 11 Apr Frontier Airlines
03 Apr - 07 Apr Frontier Airlines
25 Apr - 11 May Spirit Airlines
25 Apr - 04 May Spirit Airlines
21 Apr - 11 May Spirit Airlines
21 Apr - 04 May Spirit Airlines
26 Apr - 11 May Spirit Airlines
26 Apr - 04 May Spirit Airlines
20 Apr - 04 May Spirit Airlines
24 Apr - 13 May Spirit Airlines

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

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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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