Cheapest return flights from Chicago to San Juan in February from 159€

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

Return flights

19 Feb - 25 Feb Frontier Airlines
24 Feb - 05 Mar Frontier Airlines
19 Feb - 21 Feb Frontier Airlines
28 Feb - 04 Mar Frontier Airlines
23 Feb - 09 Mar Frontier Airlines
28 Feb - 05 Mar Frontier Airlines
19 Feb - 28 Feb Frontier Airlines
23 Feb - 28 Feb Frontier Airlines
24 Feb - 28 Feb Frontier Airlines
21 Feb - 28 Feb Frontier Airlines
28 Feb - 07 Mar Frontier Airlines
24 Feb - 27 Feb Frontier Airlines
25 Feb - 07 Mar Delta
18 Feb - 25 Feb Delta
26 Feb - 03 Mar Frontier Airlines
15 Feb - 18 Feb Frontier Airlines
15 Feb - 28 Feb Frontier Airlines
28 Feb - 06 Mar Frontier Airlines
27 Feb - 08 Mar Frontier Airlines
26 Feb - 02 Mar Frontier Airlines

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

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