Cheapest return flights from Chicago to San Jose in March from $442

AirHint found the following cheapest return flights from Chicago (MDW) to San Jose (SJO) in March 2026 (see full year).

Return flights

06 Mar - 14 Mar Frontier Airlines
14 Mar - 21 Mar Frontier Airlines
13 Mar - 28 Mar Frontier Airlines
11 Mar - 18 Mar Porter Airlines (Canada) Ltd
26 Mar - 04 Apr Frontier Airlines
27 Mar - 06 Apr Porter Airlines (Canada) Ltd
27 Mar - 04 Apr Frontier Airlines

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

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