Cheap Flights from Chicago, IL to San Juan from $120

Return flight: San Juan – Chicago

On Cheapflightsplus.com you will find 6 direct and 313 connecting flights from Chicago to San Juan. You can compare airfare deals from 10 airlines and multiple travel sites from $120, book and save on cheap plane tickets and last minute offers. Also check out CHI-SJU flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Chicago to San Juan Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $120 (one-way), $206 (round-trip).
Direct flights
  • Check to choose departure date Check to choose departure date
Check prices for return flight
Find flights
Full flight schedule will help you in detecting at what time planes fly from Chicago to San Juan. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
08:52 — 14:44
08:52 — 14:44 UA1996 United Airlines
Chicago — San Juan
4h 52m
Find flight
from$218
10:00 — 15:51
10:00 — 15:51 NK1530 Spirit Airlines
Chicago — San Juan
4h 51m
Find flight
from$120
12:03 — 17:47
12:03 — 17:47 NK2535 Spirit Airlines
Chicago — San Juan
4h 44m
Find flight
from$140
14:17 — 20:04
14:17 — 20:04 NK491 Spirit Airlines
Chicago — San Juan
4h 47m
Find flight
from$120
18:03 — 23:54
+1 day
18:03 — 23:54 UA695 United Airlines
Chicago — San Juan
4h 51m
Find flight
from$209
18:23 — 00:06
+1 day
18:23 — 00:06 NK1635 Spirit Airlines
Chicago — San Juan
4h 43m
Find flight
from$120
05:05 — 19:19
05:05 — 09:12 NK1 Spirit Airlines
Chicago — Miami
7h 33m stop
16:45 — 19:19 NK2221 Spirit Airlines
Miami — San Juan
13h 14m
including layover
Find flight
from$157
05:05 — 15:41
05:05 — 09:10 NK19 Spirit Airlines
Chicago — Miami
3h 54m stop
13:04 — 15:41 NK1037 Spirit Airlines
Miami — San Juan
9h 36m
including layover
Find flight
from$169
06:00 — 14:15
05:10 — 08:23 F91596 Frontier Airlines
Chicago — Atlanta
1h 30m stop
11:36 — 15:15 F92082 Frontier Airlines
Atlanta — San Juan
7h 15m
including layover
Find flight
from$127
06:20 — 14:18
06:20 — 09:39 F92292 Frontier Airlines
Chicago — Atlanta
1h stop
11:36 — 15:15 F92082 Frontier Airlines
Atlanta — San Juan
6h 58m
including layover
Find flight
from$143
07:15 — 01:11
+1 day
07:15 — 11:03 NK3200 Spirit Airlines
Chicago — Orlando
11h 14m stop
22:17 — 01:11 NK3166 Spirit Airlines
Orlando — San Juan
16h 56m
including layover
Find flight
from$156
07:45 — 16:43
07:45 — 10:51 F94064 Frontier Airlines
Chicago — Baltimore
2h stop
12:51 — 16:43 F92266 Frontier Airlines
Baltimore — San Juan
7h 58m
including layover
Find flight
from$143
08:35 — 00:32
+1 day
08:35 — 12:20 F91458 Frontier Airlines
Chicago — Orlando
9h 6m stop
21:26 — 00:32 F91746 Frontier Airlines
Orlando — San Juan
14h 57m
including layover
Find flight
from$143
08:35 — 02:39
+1 day
08:35 — 12:20 F91458 Frontier Airlines
Chicago — Orlando
11h 20m stop
23:40 — 02:39 F94726 Frontier Airlines
Orlando — San Juan
17h 4m
including layover
Find flight
from$143
10:00 — 01:35
+1 day
10:00 — 13:39 NK1113 Spirit Airlines
Chicago — Orlando
9h 4m stop
22:43 — 01:35 NK1514 Spirit Airlines
Orlando — San Juan
14h 35m
including layover
Find flight
from$169
11:32 — 00:40
+1 day
18:30 — 21:41 F93352 Frontier Airlines
Chicago — Raleigh
6h 39m stop
21:02 — 01:29 F91226 Frontier Airlines
Raleigh — San Juan
12h 8m
including layover
Find flight
from$128
12:51 — 23:54
+1 day
21:12 — 00:57 F93854 Frontier Airlines
Chicago — Orlando
4h 30m stop
17:00 — 19:58 F93506 Frontier Airlines
Orlando — San Juan
10h 3m
including layover
Find flight
from$127
12:51 — 02:34
+1 day
21:12 — 00:57 F93854 Frontier Airlines
Chicago — Orlando
7h 11m stop
23:40 — 02:32 F94726 Frontier Airlines
Orlando — San Juan
12h 43m
including layover
Find flight
from$127
13:03 — 01:11
+1 day
13:03 — 16:51 NK1108 Spirit Airlines
Chicago — Orlando
5h 26m stop
22:17 — 01:11 NK3166 Spirit Airlines
Orlando — San Juan
11h 8m
including layover
Find flight
from$148
13:03 — 09:56
+1 day
13:03 — 16:51 NK1108 Spirit Airlines
Chicago — Orlando
14h 9m stop
07:00 — 09:56 NK3159 Spirit Airlines
Orlando — San Juan
19h 53m
including layover
Find flight
from$183
15:29 — 15:41
+1 day
15:29 — 19:39 NK867 Spirit Airlines
Chicago — Miami
17h 25m stop
13:04 — 15:41 NK1037 Spirit Airlines
Miami — San Juan
23h 12m
including layover
Find flight
from$202
16:11 — 15:39
+1 day
14:26 — 18:12 F91186 Frontier Airlines
Chicago — Tampa
16h 46m stop
15:12 — 19:17 F92216 Frontier Airlines
Tampa — San Juan
22h 28m
including layover
Find flight
from$132
16:37 — 00:32
+1 day
09:17 — 13:11 F92792 Frontier Airlines
Chicago — Orlando
47m stop
21:26 — 00:21 F91746 Frontier Airlines
Orlando — San Juan
6h 55m
including layover
Find flight
from$143
17:38 — 10:06
+1 day
17:38 — 21:48 NK1106 Spirit Airlines
Chicago — Miami
9h 52m stop
07:40 — 10:06 NK1396 Spirit Airlines
Miami — San Juan
15h 28m
including layover
Find flight
from$148
18:34 — 15:41
+1 day
18:34 — 22:32 NK1027 Spirit Airlines
Chicago — Miami
14h 32m stop
13:04 — 15:41 NK1037 Spirit Airlines
Miami — San Juan
20h 7m
including layover
Find flight
from$202
19:00 — 12:47
+1 day
19:00 — 21:35 NK824 Spirit Airlines
Chicago — Dallas
9h 25m stop
07:00 — 12:47 NK3707 Spirit Airlines
Dallas — San Juan
16h 47m
including layover
Find flight
from$148
19:39 — 09:56
+1 day
19:39 — 23:32 NK507 Spirit Airlines
Chicago — Orlando
7h 28m stop
07:00 — 09:56 NK3159 Spirit Airlines
Orlando — San Juan
13h 17m
including layover
Find flight
from$148
20:53 — 18:24
+1 day
20:53 — 23:40 NK1150 Spirit Airlines
Chicago — Houston
13h 8m stop
12:48 — 18:24 NK1151 Spirit Airlines
Houston — San Juan
20h 31m
including layover
Find flight
from$210
11:21 — 10:06
+1 day
11:21 — 13:51 NK1633 Spirit Airlines
Chicago — Dallas
5h 39m stop
19:30 — 23:30 NK1395 Spirit Airlines
Dallas — Miami
8h 10m stop
07:40 — 10:06 NK1396 Spirit Airlines
Miami — San Juan
21h 45m
including layover
Find flight
from$172
15:29 — 09:56
+1 day
15:29 — 19:39 NK867 Spirit Airlines
Chicago — Miami
2h 9m stop
21:48 — 23:00 NK676 Spirit Airlines
Miami — Orlando
8h stop
07:00 — 09:56 NK3159 Spirit Airlines
Orlando — San Juan
17h 27m
including layover
Find flight
from$202
17:38 — 01:35
+2 days
17:38 — 21:48 NK1106 Spirit Airlines
Chicago — Miami
20h 27m stop
18:15 — 19:25 NK1244 Spirit Airlines
Miami — Orlando
3h 18m stop
22:43 — 01:35 NK1514 Spirit Airlines
Orlando — San Juan
30h 57m
including layover
Find flight
from$206
21:10 — 19:19
+1 day
20:15 — 22:57 NK2047 Spirit Airlines
Chicago — Dallas
5h 47m stop
05:45 — 09:40 NK2199 Spirit Airlines
Dallas — Miami
7h 25m stop
16:37 — 19:07 NK2221 Spirit Airlines
Miami — San Juan
21h 9m
including layover
Find flight
from$191
*Departure and arrival times - local. Updated on July 4, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Chicago to San Juan depends on and how to choose the most interesting flight option for you.

Distance between Chicago and San Juan is 3314 miles. Time difference between the cities is 2h. Airplanes depart 05:00 to 21:50 from 7 Chicago airports and arrive 05:00 to 21:50 to 2 San Juan airports. Average flight time is 4h 49m.

  • The fastest flight 4h 43m
  • Average flight time 4h 49m
  • The earliest flight 05:00
  • The latest flight 21:50
  • Distance 2060 ml

The cheapest months to travel to San Juan are july (from 120 $), august (from 120 $), september (from 127 $).

The most expensive months are november (from 297 $), october (from 156 $), june (from 140 $).

What is the lowest airfare Chicago to San Juan?

The cheapest plane ticket found by our users is $120. This airfare is for economy class on one-way NK1635 flight by Spirit Airlines for July 14, 2025 which leaves O'Hare International in Chicago at 18:23 am and arrives at San Juan Luis Munoz Marin Intl at 00:06.

Economy class
$120
Find
Business class
?
Find
First class
?
Find

Popular Airlines on the Route

The flight Chicago — San Juan is served by 10 regular airlines and 6 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 16 departures per week at the price of from $ 127 . And the most expensive tickets are offered by Finnair airline - from $ 1500.

Direct flights

There are 6 nonstop flights on the route. The fastest direct flight is NK1635 by Spirit Airlines takes 4h 43m and the cheapest is NK1635 by Spirit Airlines for $120.

  • UA - United Airlines
    from $209
    Find
  • NK - Spirit Airlines
    from $120
    Find
See more direct flights

Connecting Flights

There are 313 flights with layovers on the route. The fastest connecting flight is NK1986 by Spirit Airlines takes 6h 41m and the cheapest is NK1635 by Spirit Airlines for $127.

  • F9 - Frontier Airlines
    from $127
    Find
  • PD - Porter Airlines
    from $363
    Find
  • AV - Avianca
    from $425
    Find
  • SY - Sun Country Airlines
    from $229
    Find
  • AY - Finnair
    from $1500
    Find
  • LF - flynordic
    from $216
    Find
  • UA - United Airlines
    from $218
    Find
  • NK - Spirit Airlines
    from $148
    Find
  • G4 - Allegiant Air
    from $205
    Find
  • TS - Air Transat
    from $378
    Find
See more connecting flights

Airports

You can fly from Chicago to San Juan from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).

Chicago airports

  • O'Hare International-ORD
    from $120
    Find
  • Midway-MDW
    from $127
    Find
  • Dupage County-DPA
    Find
  • Chicago FSS-CHI
    Find
  • Merrill C Meigs (closed)-CGX
    Find
  • Pal-Waukee-PWK
    Find
  • Chicago NAS-NOH
    Find

San Juan airports

  • Isla Grande-SIG
    Find
  • Luis Munoz Marin Intl-SJU
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

Back