Cheapest one-way flights from Chicago to San Juan in March from 61€

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

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

One-Way flights

04 Mar Frontier Airlines
19 Mar Frontier Airlines
17 Mar Frontier Airlines
12 Mar Frontier Airlines
18 Mar Frontier Airlines
07 Mar Frontier Airlines
28 Mar Southwest Airlines
23 Mar Southwest Airlines
21 Mar Southwest Airlines
20 Mar Southwest Airlines

Also check the deals for return 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