Cheapest return flights from Charlotte to San Juan in April from 135€

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

Return flights

27 Apr - 30 Apr Spirit Airlines
26 Apr - 01 May Spirit Airlines
20 Apr - 30 Apr Spirit Airlines
24 Apr - 12 May Frontier Airlines
27 Apr - 01 May Frontier Airlines
24 Apr - 29 Apr Frontier Airlines
22 Apr - 01 May Spirit Airlines
13 Apr - 24 Apr Spirit Airlines
25 Apr - 28 Apr Spirit Airlines
20 Apr - 24 Apr Frontier Airlines
26 Apr - 03 May Spirit Airlines
26 Apr - 10 May Spirit Airlines
20 Apr - 25 Apr Spirit Airlines
22 Apr - 06 May Spirit Airlines
30 Apr - 01 May Spirit Airlines
19 Apr - 01 May Spirit Airlines
30 Apr - 03 May Frontier Airlines
19 Apr - 23 Apr Frontier Airlines
24 Apr - 27 Apr Frontier Airlines
22 Apr - 26 Apr Frontier 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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