Flights from Chicago to San Juan (Puerto Rico) with Frontier Airlines

Our cheapest offers for flights from Chicago to San Juan (Puerto Rico)

Here you can compare cheap flights from Chicago (CHI) to San Juan (Puerto Rico) (SJU) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to San Juan (Puerto Rico). Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Chicago
San Juan (Puerto Rico)
Outbound
10/24/25
1 Stopover (PHL)
F92112, F91016
23h 25min
Return
10/26/25
1 Stopover (MCO)
F91745, F93043
10h 51min
Frontier Airlines ?
$297
Chicago
San Juan (Puerto Rico)
Outbound
12/18/25
2 Stopovers (ATL, MIA)
F91596, F93442, F93378
26h 27min
Return
12/30/25
1 Stopover (MSP)
SY0762, SY0259
19h 30min
Frontier Airlines ?
$693
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: Chicago - San Juan (Puerto Rico)

Roundtrip from 233,97 $
Flight duration min. 04:30 / max. 07:00
Return flight duration min. 05:10/ max. 06:05
Distance 3318 km
Flights per week 28
Departure airport Airport Chicago-IL, all airports (CHI)
Arrival airport Airport San Juan - Luis Muñoz Marín International Airport (SJU)
Destination country Flights to Puerto Rico
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