Cheapest return flights from Chicago to San Juan in July from 241€
AirHint found the following cheapest return flights from Chicago (MDW) to San Juan (SJU)
in July 2025 (see full year ).
Return flights
27 Jul
- 01 Aug
Frontier Airlines
241 €
17 Jul
- 19 Jul
Frontier Airlines
242 €
10 Jul
- 14 Jul
Frontier Airlines
242 €
10 Jul
- 13 Jul
Frontier Airlines
242 €
11 Jul
- 14 Jul
Frontier Airlines
242 €
27 Jul
- 31 Jul
Frontier Airlines
242 €
13 Jul
- 19 Jul
Frontier Airlines
242 €
13 Jul
- 16 Jul
Frontier Airlines
242 €
14 Jul
- 16 Jul
Frontier Airlines
242 €
17 Jul
- 26 Jul
Frontier Airlines
250 €
19 Jul
- 23 Jul
Frontier Airlines
250 €
31 Jul
- 03 Aug
Frontier Airlines
276 €
30 Jul
- 04 Aug
Frontier Airlines
420 €
08 Jul
- 05 Aug
Southwest Airlines
488 €
Also check the deals for one-way flights from Chicago to San Juan in July .
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.
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