Cheapest return flights from Chicago to San Juan in April from 151€

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

Return flights

09 Apr - 13 Apr Frontier Airlines
09 Apr - 14 Apr Frontier Airlines
14 Apr - 22 Apr Spirit Airlines
14 Apr - 29 Apr Spirit Airlines
14 Apr - 21 Apr Spirit Airlines
14 Apr - 28 Apr Spirit Airlines
01 Apr - 22 Apr Spirit Airlines
01 Apr - 21 Apr Spirit Airlines
01 Apr - 08 Apr Frontier Airlines
27 Apr - 29 Apr Spirit Airlines
27 Apr - 13 May Spirit Airlines
27 Apr - 12 May Spirit Airlines
29 Apr - 13 May Spirit Airlines
29 Apr - 12 May Spirit Airlines
29 Apr - 19 May Spirit Airlines
25 Apr - 13 May Spirit Airlines
25 Apr - 12 May Spirit Airlines
28 Apr - 13 May Spirit Airlines
28 Apr - 12 May Spirit Airlines
28 Apr - 19 May Spirit Airlines

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

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