Cheapest return flights from Chicago to San Juan in March from 147€

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

Return flights

03 Mar - 04 Mar Frontier Airlines
03 Mar - 11 Mar Frontier Airlines
03 Mar - 10 Mar Frontier Airlines
01 Mar - 04 Mar Frontier Airlines
03 Mar - 05 Mar Spirit Airlines
01 Mar - 06 Mar Spirit Airlines
31 Mar - 14 Apr Spirit Airlines
03 Mar - 07 Mar Frontier Airlines
31 Mar - 15 Apr Spirit Airlines
09 Mar - 10 Mar Spirit Airlines
02 Mar - 05 Mar Spirit Airlines
09 Mar - 17 Mar Spirit Airlines
24 Mar - 14 Apr Spirit Airlines
31 Mar - 09 Apr Spirit Airlines
31 Mar - 18 Apr Spirit Airlines
31 Mar - 17 Apr Spirit Airlines
31 Mar - 10 Apr Spirit Airlines
30 Mar - 14 Apr Spirit Airlines
25 Mar - 14 Apr Spirit Airlines
31 Mar - 21 Apr Spirit Airlines

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

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