Flights from Chicago to San Juan (Puerto Rico)

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
Best option
Chicago
San Juan (Puerto Rico)
Outbound
11/09/25
direct
NK3012
04h 38min
Return
12/07/25
direct
NK3013
05h 22min
Spirit Airlines
$252
Chicago
San Juan (Puerto Rico)
Outbound
11/09/25
direct
NK3012
04h 38min
Return
12/07/25
direct
NK3013
05h 22min
Spirit Airlines
$258
Chicago
San Juan (Puerto Rico)
Outbound
11/09/25
direct
NK3012
04h 38min
Return
12/07/25
direct
NK3013
05h 22min
Spirit Airlines
$265
Chicago
San Juan (Puerto Rico)
Outbound
11/09/25
direct
NK3012
04h 38min
Return
12/07/25
direct
NK3013
05h 22min
Spirit Airlines
$271
Chicago
San Juan (Puerto Rico)
Outbound
11/09/25
direct
NK3012
04h 38min
Return
12/07/25
1 Stopover (ATL)
F92871, F93397
10h 09min
Spirit Airlines ?
$363
Chicago
San Juan (Puerto Rico)
Outbound
02/13/26
direct
NK3020
04h 43min
Return
02/26/26
1 Stopover (ATL)
F92871, F93397
09h 24min
Spirit Airlines ?
$376
Chicago
San Juan (Puerto Rico)
Outbound
02/13/26
direct
NK3020
04h 43min
Return
02/26/26
1 Stopover (MCO)
F91823, F93043
12h 24min
Spirit Airlines
$381
Chicago
San Juan (Puerto Rico)
Outbound
11/09/25
2 Stopovers (BNA, CLT)
F93079, AA1794, AA1908
17h 28min
Return
12/07/25
2 Stopovers (MCO, ATL)
F91745, F91563, F93397
28h 36min
Frontier Airlines, American Airlines ?
$408
Chicago
San Juan (Puerto Rico)
Outbound
11/09/25
direct
UA0695
04h 40min
Return
12/07/25
direct
UA2089
05h 22min
United Airlines ?
$494
Chicago
San Juan (Puerto Rico)
Outbound
11/09/25
direct
AA2865
04h 38min
Return
12/07/25
1 Stopover (PHL)
AA3063, AA2857
09h 39min
American Airlines ?
$514
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Chicago to San Juan (Puerto Rico)

Favorite airline: American Airlines
79 % of flights booked on the route from Chicago to San Juan (Puerto Rico) are booked with American Airlines, Spirit Airlines and United Airlines.
American Airlines
29 %
Spirit Airlines
27 %
United Airlines
23 %
Direct flights are the cheapest connection
On this route, direct flights are $ 2.00 cheaper than flights with a stopover.
non stop flight
1 stop
2 stops
04h 39min
13h 20min
15h 45min
$ 194
$ 196
$ 451
The favorite connection is non-stop
Flights from Chicago to San Juan (Puerto Rico) are most often booked as a direct flight.
Route
bookings
Direct flights
04h 39min, from $ 194
39 %
1 stopover Orlando International Airport, FL
07h 00min, from $ 221
18 %
1 stopover Charlotte Douglas International Airport, NC
13h 01min, from $ 338
15 %

Important flight information

Flight information: Chicago - San Juan (Puerto Rico)

Roundtrip from $ 251,97
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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