Cheapest return flights from Chicago to San Juan in March from $148

Best time to book flights for Chicago (MDW) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Chicago (MDW) to San Juan (SJU) in March 2025 (see full year).

Return flights

03 Mar - 06 Mar Frontier Airlines
01 Mar - 04 Mar Frontier Airlines
06 Mar - 12 Mar Frontier Airlines
03 Mar - 08 Mar Frontier Airlines
04 Mar - 10 Mar Frontier Airlines
04 Mar - 11 Mar Frontier Airlines
06 Mar - 11 Mar Frontier Airlines
06 Mar - 10 Mar Frontier Airlines
03 Mar - 12 Mar Frontier Airlines
05 Mar - 11 Mar Frontier Airlines
31 Mar - 04 Apr Southwest Airlines
31 Mar - 05 Apr Frontier Airlines
30 Mar - 05 Apr Frontier Airlines
28 Mar - 04 Apr Frontier Airlines
29 Mar - 05 Apr Frontier Airlines

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in San Juan

Cheap car rent in San Juan