Cheap Flights from Chicago, IL to San Antonio, TX from $66
On Cheapflightsplus.com you will find 2 direct and 88 connecting flights from Chicago to San Antonio. You can compare airfare deals from 7 airlines and multiple travel sites from $66, book and save on cheap plane tickets and last minute offers. Also check out CHI-SAT flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Chicago to San Antonio Flight Deals
Best Flights from Chicago to San Antonio Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $271 | 09:15 Chicago O'Hare International | 12:29 San Antonio San Antonio | 3h 14m | United Airlines | UA1834 |
from $273 | 09:05 Chicago O'Hare International | 12:21 San Antonio San Antonio | 3h 16m | United Airlines | UA2672 |
from $66 | 18:48 Chicago O'Hare International | 08:19+1 день San Antonio San Antonio | 13h 31m layover 8h 34m - Denver | Frontier Airlines | F91483 F92356 |
from $86 | 19:30 Chicago O'Hare International | 17:44+1 день San Antonio San Antonio | 22h 14m layover 15h 5m - Las Vegas | Frontier Airlines | F92145 F93418 |
from $148 | 08:30 Chicago O'Hare International | 17:18 San Antonio San Antonio | 8h 48m layover 2h 43m - Miami | Spirit Airlines | NK1986 NK955 |
from $148 | 12:00 Chicago O'Hare International | 00:05+1 день San Antonio San Antonio | 12h 5m layover 6h 8m - Orlando | Spirit Airlines | NK1686 NK1620 |
from $148 | 05:05 Chicago O'Hare International | 17:18 San Antonio San Antonio | 12h 13m layover 6h 10m - Miami | Spirit Airlines | NK19 NK955 |
from $148 | 22:47 Chicago O'Hare International | 12:57+1 день San Antonio San Antonio | 14h 10m layover 7h 24m - Las Vegas | Spirit Airlines | NK713 NK187 |
from $148 | 13:14 Chicago O'Hare International | 05:04+1 день San Antonio San Antonio | 15h 50m layover 9h 20m - Las Vegas | Spirit Airlines | NK188 NK1058 |
from $262 | 18:55 Chicago O'Hare International | 14:07+1 день San Antonio San Antonio | 19h 12m layover 10h 15m - Seattle | Alaska Airlines | AS421 AS494 |
from $266 | 07:10 Chicago O'Hare International | 16:40 San Antonio San Antonio | 9h 30m layover 4h 26m - Denver | United Airlines | UA711 UA1022 |
from $283 | 12:45 Chicago O'Hare International | 17:43 San Antonio San Antonio | 4h 58m layover 0h 45m - Houston | United Airlines | UA2417 UA6135 |
from $157 | 05:15 Chicago O'Hare International | 00:05+1 день San Antonio San Antonio | 18h 50m layover 5h 42m - Newark 4h 43m - Orlando | Spirit Airlines | NK210 NK2992 NK1620 |
from $157 | 05:15 Chicago O'Hare International | 00:05+1 день San Antonio San Antonio | 18h 50m layover 4h 16m - Newark 6h 18m - Orlando | Spirit Airlines | NK210 NK205 NK1620 |
from $172 | 14:28 Chicago O'Hare International | 00:05+1 день San Antonio San Antonio | 9h 37m layover 0h 32m - Miami 1h 27m - Orlando | Spirit Airlines | NK717 NK360 NK1620 |
from $210 | 06:45 Chicago O'Hare International | 05:04+1 день San Antonio San Antonio | 22h 19m layover 4h 33m - Los Angeles 9h 29m - Las Vegas | Spirit Airlines | NK467 NK1494 NK1058 |
Flight Schedule Chicago (Illinois) to San Antonio (Texas)
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
09:05 — 12:21
|
09:05 — 12:21
UA2672
United Airlines
Chicago — San Antonio
|
3h 16m |
Find flight
from$273 |
|
09:15 — 12:29
|
09:15 — 12:29
UA1834
United Airlines
Chicago — San Antonio
|
3h 14m |
Find flight
from$271 |
|
00:48 — 10:37
|
00:48 — 05:10
Y4701
Volaris
Chicago — Mexico City
3h 15m stop
08:25 — 10:37
AM632
Aeromexico
Mexico City — San Antonio
|
9h 49m including layover |
Find flight
from$320 |
|
00:48 — 10:56
|
00:48 — 05:10
Y4701
Volaris
Chicago — Mexico City
3h 45m stop
08:55 — 10:56
Y4750
Volaris
Mexico City — San Antonio
|
10h 8m including layover |
Find flight
from$328 |
|
05:05 — 17:18
|
05:00 — 09:00
NK19
Spirit Airlines
Chicago — Miami
6h 10m stop
15:28 — 17:46
NK955
Spirit Airlines
Miami — San Antonio
|
12h 13m including layover |
Find flight
from$148 |
|
07:10 — 16:40
|
07:10 — 09:00
UA711
United Airlines
Chicago — Denver
4h 26m stop
13:41 — 16:54
UA1022
United Airlines
Denver — San Antonio
|
9h 30m including layover |
Find flight
from$266 |
|
07:35 — 13:24
|
07:35 — 10:38
UA2482
United Airlines
Chicago — Houston
1h 34m stop
12:12 — 13:24
UA492
United Airlines
Houston — San Antonio
|
5h 49m including layover |
Find flight
from$283 |
|
08:30 — 17:18
|
08:30 — 12:37
NK1986
Spirit Airlines
Chicago — Miami
2h 43m stop
15:20 — 17:18
NK955
Spirit Airlines
Miami — San Antonio
|
8h 48m including layover |
Find flight
from$148 |
|
08:50 — 15:42
|
08:50 — 11:53
UA307
United Airlines
Chicago — Houston
2h 37m stop
14:30 — 15:42
UA2399
United Airlines
Houston — San Antonio
|
6h 52m including layover |
Find flight
from$283 |
|
10:35 — 15:42
|
10:35 — 13:38
UA2624
United Airlines
Chicago — Houston
52m stop
14:30 — 15:42
UA2399
United Airlines
Houston — San Antonio
|
5h 7m including layover |
Find flight
from$283 |
|
10:35 — 17:44
|
10:35 — 13:38
UA2624
United Airlines
Chicago — Houston
2h 52m stop
16:30 — 17:44
UA6135
United Airlines
Houston — San Antonio
|
7h 9m including layover |
Find flight
from$283 |
|
12:00 — 00:05
+1 day
|
12:00 — 15:47
NK1686
Spirit Airlines
Chicago — Orlando
6h 8m stop
21:55 — 00:05
NK1620
Spirit Airlines
Orlando — San Antonio
|
12h 5m including layover |
Find flight
from$148 |
|
12:45 — 17:43
|
12:45 — 15:47
UA2417
United Airlines
Chicago — Houston
45m stop
16:30 — 17:44
UA6135
United Airlines
Houston — San Antonio
|
4h 58m including layover |
Find flight
from$283 |
|
13:14 — 05:04
+1 day
|
13:09 — 15:14
NK188
Spirit Airlines
Chicago — Las Vegas
9h 20m stop
00:26 — 04:59
NK1058
Spirit Airlines
Las Vegas — San Antonio
|
15h 50m including layover |
Find flight
from$148 |
|
13:15 — 20:21
|
13:15 — 16:13
UA2431
United Airlines
Chicago — Washington D.C.
1h 11m stop
17:24 — 20:21
UA1869
United Airlines
Washington D.C. — San Antonio
|
7h 6m including layover |
Find flight
from$342 |
|
14:00 — 21:37
|
14:00 — 17:03
UA1373
United Airlines
Chicago — Houston
3h 22m stop
20:25 — 21:37
UA2338
United Airlines
Houston — San Antonio
|
7h 37m including layover |
Find flight
from$283 |
|
15:40 — 21:18
|
15:40 — 18:43
UA2678
United Airlines
Chicago — Houston
1h 23m stop
20:06 — 21:18
UA1589
United Airlines
Houston — San Antonio
|
5h 38m including layover |
Find flight
from$283 |
|
15:40 — 23:14
|
15:40 — 18:43
UA2678
United Airlines
Chicago — Houston
3h 22m stop
22:05 — 23:14
UA6158
United Airlines
Houston — San Antonio
|
7h 34m including layover |
Find flight
from$283 |
|
17:50 — 23:14
|
17:50 — 20:50
UA1568
United Airlines
Chicago — Houston
1h 15m stop
22:05 — 23:14
UA6158
United Airlines
Houston — San Antonio
|
5h 24m including layover |
Find flight
from$283 |
|
17:54 — 14:07
+1 day
|
17:28 — 20:11
AS353
Alaska Airlines
Chicago — Seattle
11h 24m stop
08:01 — 14:07
AS494
Alaska Airlines
Seattle — San Antonio
|
20h 13m including layover |
Find flight
from$293 |
|
18:48 — 08:19
+1 day
|
18:00 — 20:02
F91483
Frontier Airlines
Chicago — Denver
8h 34m stop
07:45 — 11:04
F92356
Frontier Airlines
Denver — San Antonio
|
13h 31m including layover |
Find flight
from$66 |
|
18:55 — 14:07
+1 day
|
18:55 — 21:46
AS421
Alaska Airlines
Chicago — Seattle
10h 15m stop
08:01 — 14:07
AS494
Alaska Airlines
Seattle — San Antonio
|
19h 12m including layover |
Find flight
from$262 |
|
19:30 — 17:44
+1 day
|
15:15 — 17:23
F92145
Frontier Airlines
Chicago — Las Vegas
15h 5m stop
13:00 — 17:47
F93418
Frontier Airlines
Las Vegas — San Antonio
|
22h 14m including layover |
Find flight
from$86 |
|
19:55 — 08:33
+1 day
|
19:55 — 22:59
UA483
United Airlines
Chicago — Houston
8h 21m stop
07:20 — 08:33
UA6089
United Airlines
Houston — San Antonio
|
12h 38m including layover |
Find flight
from$320 |
|
20:15 — 15:18
+1 day
|
20:15 — 23:28
UA1655
United Airlines
Chicago — Newark
12h 30m stop
11:58 — 15:18
UA1027
United Airlines
Newark — San Antonio
|
19h 3m including layover |
Find flight
from$313 |
|
21:30 — 08:33
+1 day
|
21:30 — 00:30
UA2665
United Airlines
Chicago — Houston
6h 50m stop
07:20 — 08:33
UA6089
United Airlines
Houston — San Antonio
|
11h 3m including layover |
Find flight
from$320 |
|
21:40 — 15:18
+1 day
|
21:40 — 00:45
UA1633
United Airlines
Chicago — Newark
11h 13m stop
11:58 — 15:18
UA1027
United Airlines
Newark — San Antonio
|
17h 38m including layover |
Find flight
from$313 |
|
22:47 — 12:57
+1 day
|
22:47 — 00:54
NK713
Spirit Airlines
Chicago — Las Vegas
7h 24m stop
08:18 — 12:57
NK187
Spirit Airlines
Las Vegas — San Antonio
|
14h 10m including layover |
Find flight
from$148 |
|
05:15 — 00:05
+1 day
|
05:15 — 08:31
NK210
Spirit Airlines
Chicago — Newark
5h 42m stop
14:13 — 17:12
NK2992
Spirit Airlines
Newark — Orlando
4h 43m stop
21:55 — 00:05
NK1620
Spirit Airlines
Orlando — San Antonio
|
18h 50m including layover |
Find flight
from$157 |
|
06:45 — 05:04
+1 day
|
06:45 — 09:07
NK467
Spirit Airlines
Chicago — Los Angeles
4h 33m stop
13:40 — 15:01
NK1494
Spirit Airlines
Los Angeles — Las Vegas
9h 29m stop
00:30 — 05:04
NK1058
Spirit Airlines
Las Vegas — San Antonio
|
22h 19m including layover |
Find flight
from$210 |
|
06:45 — 05:04
+1 day
|
06:45 — 09:07
NK467
Spirit Airlines
Chicago — Los Angeles
11h 15m stop
20:22 — 21:45
NK473
Spirit Airlines
Los Angeles — Las Vegas
2h 45m stop
00:30 — 05:04
NK1058
Spirit Airlines
Las Vegas — San Antonio
|
22h 19m including layover |
Find flight
from$296 |
|
14:28 — 00:05
+1 day
|
14:28 — 18:43
NK717
Spirit Airlines
Chicago — Miami
32m stop
19:15 — 20:28
NK360
Spirit Airlines
Miami — Orlando
1h 27m stop
21:55 — 00:05
NK1620
Spirit Airlines
Orlando — San Antonio
|
9h 37m including layover |
Find flight
from$172 |
Flight Information
Below we will explain in detail what the flights cost on the destination from Chicago to San Antonio depends on and how to choose the most interesting flight option for you.
Distance between Chicago and San Antonio is 1684 miles. Time difference between the cities is 0h. Airplanes depart 00:48 to 22:47 from 7 Chicago airports and arrive 00:48 to 22:47 to 5 San Antonio airports. Average flight time is 3h 15m.
- The fastest flight 3h 14m
- Average flight time 3h 15m
- The earliest flight 00:48
- The latest flight 22:47
- Distance 1047 ml
The cheapest months to travel to San Antonio are december (from 58 $), february (from 66 $), november (from 75 $).
The most expensive months are january (from 148 $), november (from 75 $), february (from 66 $).
What is the lowest airfare Chicago to San Antonio?
The cheapest plane ticket found by our users is $66. This airfare is for economy class on one-way F91483 flight by Frontier Airlines for February 21, 2025 which leaves O'Hare International in Chicago at 18:48 am and arrives at San Antonio San Antonio at 08:19.
Popular Airlines on the Route
The flight Chicago — San Antonio is served by 7 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 3 departures per week at the price of from $ 262 . And the most expensive tickets are offered by United Airlines airline - from $ 717.
Direct flights
There are 2 nonstop flights on the route. The fastest direct flight is UA1834 by United Airlines takes 3h 14m and the cheapest is F91483 by Frontier Airlines for $271.
- from $271Find
Connecting Flights
There are 88 flights with layovers on the route. The fastest connecting flight is UA2417 by United Airlines takes 4h 58m and the cheapest is F91483 by Frontier Airlines for $66.
- from $262Find
- from $66Find
- from $266Find
- Y4 - Volarisfrom $308Find
- VB - VivaAerobusfrom $328Find
- AM - Aeromexicofrom $352Find
- NK - Spirit Airlinesfrom $148Find
Airports
You can fly from Chicago to San Antonio from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).
Chicago airports
- O'Hare International-ORDfrom $66Find
- Midway-MDWfrom $393Find
- Dupage County-DPAFind
- Chicago FSS-CHIFind
- Merrill C Meigs (closed)-CGXFind
- Pal-Waukee-PWKFind
- Chicago NAS-NOHFind
San Antonio airports
- Randolph AFB-RNDFind
- Martindale AAF-MDAFind
- San Antonio-SATFind
- Kelly AFB-SKFFind
- Stinson Municipal-SSFFind
Airplanes
There are flights to San Antonio from Chicago by 7 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Chicago
You may also consider searching for discounted plane tickets to some other popular places from Chicago within United States.
- from $508Find
- from $63Find
- from $181Find
- from $62Find
- from $74Find
- from $70Find
- from $59Find
- from $76Find
- from $66Find
- from $61Find
Top International Destinations from Chicago
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
- from $60Find
- from $58Find
- from $61Find
- from $72Find
- from $59Find
- from $72Find
- from $79Find
- from $61Find
- from $628Find
- from $74Find
How to book a plane 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.