Cheapest return flights from Chicago to San Juan in March from $335

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

Return flights

27 Mar - 03 Apr Avelo Airlines
18 Mar - 24 Mar jetBlue
16 Mar - 20 Mar jetBlue
20 Mar - 27 Mar Avelo Airlines
05 Mar - 11 Mar jetBlue
11 Mar - 15 Mar jetBlue
20 Mar - 30 Mar Avelo Airlines
16 Mar - 19 Mar jetBlue
06 Mar - 14 Mar jetBlue
08 Mar - 14 Mar jetBlue
08 Mar - 13 Mar jetBlue
28 Mar - 04 Apr jetBlue
27 Mar - 03 Apr United direct
27 Mar - 04 Apr United direct

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

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