Cheapest return flights from Chicago to San Juan in April from $156

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

Return flights

01 Apr - 09 Apr Spirit Airlines
07 Apr - 09 Apr Spirit Airlines
01 Apr - 14 Apr Spirit Airlines
07 Apr - 14 Apr Spirit Airlines
13 Apr - 14 Apr Spirit Airlines
11 Apr - 14 Apr Spirit Airlines
01 Apr - 08 Apr Spirit Airlines
07 Apr - 08 Apr Spirit Airlines
14 Apr - 25 Apr Spirit Airlines
07 Apr - 25 Apr Spirit Airlines
14 Apr - 01 May Spirit Airlines
13 Apr - 01 May Spirit Airlines
11 Apr - 01 May Spirit Airlines
15 Apr - 01 May Spirit Airlines
25 Apr - 02 May Frontier Airlines
30 Apr - 04 May Frontier Airlines
25 Apr - 06 May Frontier Airlines
29 Apr - 16 May Frontier Airlines
24 Apr - 02 May Spirit Airlines
24 Apr - 01 May Spirit Airlines

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

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