Cheap Flights from Chicago, IL to San Antonio, TX from $62
Return flight: San Antonio – Chicago
On Cheapflightsplus.com you will find 6 direct and 336 connecting flights from Chicago to San Antonio. You can compare airfare deals from 9 airlines and multiple travel sites from $62, 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
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: $62 (one-way), $106 (round-trip).
Direct flights
Check prices for return flight
Best Flights from Chicago to San Antonio Today
Take a look at the list of non stop flights and flights with layovers from Chicago to San Antonio with the lowest price of $62. The fastest direct flight takes 3h 9m and the fastest connecting – 4h 46m.
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $218 | 19:40 Chicago O'Hare International | 22:49 San Antonio San Antonio | 3h 9m | United Airlines | UA1236 |
| from $259 | 09:15 Chicago O'Hare International | 12:29 San Antonio San Antonio | 3h 14m | United Airlines | UA1834 |
| from $305 | 09:05 Chicago O'Hare International | 12:21 San Antonio San Antonio | 3h 16m | United Airlines | UA2672 |
| from $62 | 18:13 Chicago Midway | 11:04+1 день San Antonio San Antonio | 16h 51m layover 11h 45m - Denver | Frontier Airlines | F91227 F92356 |
| from $62 | 10:57 Chicago O'Hare International | 11:04+1 день San Antonio San Antonio | 24h 7m layover 18h 59m - Denver | Frontier Airlines | F93173 F92356 |
| from $62 | 09:45 Chicago Midway | 10:29+1 день San Antonio San Antonio | 24h 44m layover 19h 37m - Denver | Frontier Airlines | F92209 F92356 |
| from $65 | 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 $70 | 10:59 Chicago O'Hare International | 18:10 San Antonio San Antonio | 7h 11m layover 1h 6m - Orlando | Frontier Airlines | F93044 F91653 |
| from $74 | 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 $76 | 07:00 Chicago Midway | 18:10 San Antonio San Antonio | 11h 10m layover 5h 8m - Orlando | Frontier Airlines | F91458 F91653 |
| from $87 | 16:44 Chicago O'Hare International | 10:29+1 день San Antonio San Antonio | 17h 45m layover 12h 35m - Denver | Frontier Airlines | F92003 F92356 |
| from $130 | 20:04 Chicago O'Hare International | 13:52+1 день San Antonio San Antonio | 17h 48m layover 10h 15m - Los Angeles | Spirit Airlines | NK1786 NK497 |
| from $139 | 22:32 Chicago Midway | 17:47+1 день San Antonio San Antonio | 19h 15m layover 12h 18m - Las Vegas | Frontier Airlines | F92329 F93418 |
| from $135 | 07:33 Chicago O'Hare International | 19:35 San Antonio San Antonio | 12h 2m layover 1h 22m - Dallas 1h 37m - Los Angeles | Spirit Airlines | NK240 NK363 NK497 |
| from $139 | 10:38 Chicago O'Hare International | 23:07 San Antonio San Antonio | 12h 29m layover 1h 52m - Dallas 1h 38m - Los Angeles | Spirit Airlines | NK3671 NK1035 NK497 |
| from $144 | 13:09 Chicago O'Hare International | 04:59+1 день San Antonio San Antonio | 15h 50m layover 3h 33m - Orlando 1h 45m - Las Vegas | Spirit Airlines | NK1146 NK1852 NK1058 |
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on March 12, 2025
Flight Schedule Chicago (Illinois) to San Antonio (Texas)
Full flight schedule will help you in detecting at what time planes fly from Chicago to San Antonio. 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 |
|---|---|---|---|---|
|
09:03 — 12:14
|
09:03 — 12:14
UA307
United Airlines
Chicago — San Antonio
|
3h 11m |
Find flight
from$288 |
|
|
09:05 — 12:21
|
09:05 — 12:21
UA2672
United Airlines
Chicago — San Antonio
|
3h 16m |
Find flight
from$305 |
|
|
09:07 — 12:18
|
09:07 — 12:18
UA1883
United Airlines
Chicago — San Antonio
|
3h 11m |
Find flight
from$337 |
|
|
09:15 — 12:29
|
09:15 — 12:29
UA1834
United Airlines
Chicago — San Antonio
|
3h 14m |
Find flight
from$259 |
|
|
19:40 — 22:49
|
19:40 — 22:49
UA1236
United Airlines
Chicago — San Antonio
|
3h 9m |
Find flight
from$218 |
|
|
19:40 — 22:49
|
19:40 — 22:49
UA1504
United Airlines
Chicago — San Antonio
|
3h 9m |
Find flight
from$309 |
|
|
05:00 — 16:56
|
05:00 — 09:09
NK2
Spirit Airlines
Chicago — Miami
5h 23m stop
14:32 — 16:56
NK1446
Spirit Airlines
Miami — San Antonio
|
11h 56m including layover |
Find flight
from$166 |
|
|
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$166 |
|
|
06:32 — 05:30
+1 day
|
06:32 — 09:20
AS333
Alaska Airlines
Chicago — Seattle
14h 11m stop
23:31 — 05:30
AS446
Alaska Airlines
Seattle — San Antonio
|
22h 58m including layover |
Find flight
from$233 |
|
|
06:35 — 19:35
|
06:09 — 08:42
NK467
Spirit Airlines
Chicago — Los Angeles
5h 37m stop
14:50 — 19:38
NK497
Spirit Airlines
Los Angeles — San Antonio
|
13h including layover |
Find flight
from$147 |
|
|
07:00 — 18:10
|
07:00 — 10:52
F91458
Frontier Airlines
Chicago — Orlando
5h 8m stop
16:00 — 18:10
F91653
Frontier Airlines
Orlando — San Antonio
|
11h 10m including layover |
Find flight
from$76 |
|
|
08:30 — 16:56
|
08:30 — 12:44
NK154
Spirit Airlines
Chicago — Miami
1h 48m stop
14:32 — 16:56
NK1446
Spirit Airlines
Miami — San Antonio
|
8h 26m including layover |
Find flight
from$166 |
|
|
08:52 — 23:26
|
07:35 — 10:15
NK1067
Spirit Airlines
Chicago — Los Angeles
7h 5m stop
18:22 — 23:07
NK497
Spirit Airlines
Los Angeles — San Antonio
|
14h 34m including layover |
Find flight
from$147 |
|
|
09:45 — 10:29
+1 day
|
06:05 — 07:51
F92209
Frontier Airlines
Chicago — Denver
19h 37m stop
07:45 — 11:04
F92356
Frontier Airlines
Denver — San Antonio
|
24h 44m including layover |
Find flight
from$62 |
|
|
10:57 — 11:04
+1 day
|
10:57 — 12:46
F93173
Frontier Airlines
Chicago — Denver
18h 59m stop
07:45 — 11:04
F92356
Frontier Airlines
Denver — San Antonio
|
24h 7m including layover |
Find flight
from$62 |
|
|
10:59 — 18:10
|
10:59 — 14:54
F93044
Frontier Airlines
Chicago — Orlando
1h 6m stop
16:00 — 18:10
F91653
Frontier Airlines
Orlando — San Antonio
|
7h 11m including layover |
Find flight
from$70 |
|
|
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$166 |
|
|
16:44 — 10:29
+1 day
|
16:44 — 18:35
F92003
Frontier Airlines
Chicago — Denver
12h 35m stop
07:10 — 10:29
F92356
Frontier Airlines
Denver — San Antonio
|
17h 45m including layover |
Find flight
from$87 |
|
|
17:54 — 05:30
+1 day
|
17:34 — 20:23
AS353
Alaska Airlines
Chicago — Seattle
2h 48m stop
23:31 — 05:30
AS446
Alaska Airlines
Seattle — San Antonio
|
11h 36m including layover |
Find flight
from$254 |
|
|
18:13 — 11:04
+1 day
|
18:13 — 20:00
F91227
Frontier Airlines
Chicago — Denver
11h 45m stop
07:45 — 11:04
F92356
Frontier Airlines
Denver — San Antonio
|
16h 51m including layover |
Find flight
from$62 |
|
|
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$74 |
|
|
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$65 |
|
|
20:04 — 13:52
+1 day
|
20:04 — 22:45
NK1786
Spirit Airlines
Chicago — Los Angeles
10h 15m stop
09:00 — 13:52
NK497
Spirit Airlines
Los Angeles — San Antonio
|
17h 48m including layover |
Find flight
from$130 |
|
|
21:53 — 12:09
+1 day
|
21:53 — 23:59
NK330
Spirit Airlines
Chicago — Las Vegas
7h 33m stop
07:32 — 12:09
NK1022
Spirit Airlines
Las Vegas — San Antonio
|
14h 16m including layover |
Find flight
from$165 |
|
|
21:54 — 13:12
+1 day
|
21:53 — 23:59
NK330
Spirit Airlines
Chicago — Las Vegas
8h 35m stop
09:04 — 13:42
NK1058
Spirit Airlines
Las Vegas — San Antonio
|
15h 18m including layover |
Find flight
from$165 |
|
|
22:13 — 12:22
+1 day
|
22:13 — 00:21
NK330
Spirit Airlines
Chicago — Las Vegas
7h 27m stop
07:48 — 12:22
NK462
Spirit Airlines
Las Vegas — San Antonio
|
14h 9m including layover |
Find flight
from$160 |
|
|
22:32 — 17:47
+1 day
|
22:32 — 00:42
F92329
Frontier Airlines
Chicago — Las Vegas
12h 18m stop
13:00 — 17:47
F93418
Frontier Airlines
Las Vegas — San Antonio
|
19h 15m including layover |
Find flight
from$139 |
|
|
07:33 — 19:35
|
05:25 — 08:03
NK240
Spirit Airlines
Chicago — Dallas
1h 22m stop
11:35 — 13:13
NK363
Spirit Airlines
Dallas — Los Angeles
1h 37m stop
18:22 — 23:07
NK497
Spirit Airlines
Los Angeles — San Antonio
|
12h 2m including layover |
Find flight
from$135 |
|
|
11:10 — 04:59
+1 day
|
11:10 — 14:08
NK857
Spirit Airlines
Chicago — Newark
3h 52m stop
18:00 — 20:38
NK903
Spirit Airlines
Newark — Las Vegas
3h 48m stop
00:26 — 04:59
NK1058
Spirit Airlines
Las Vegas — San Antonio
|
17h 49m including layover |
Find flight
from$146 |
|
|
11:55 — 23:07
|
11:55 — 13:31
SY260
Sun Country Airlines
Chicago — Minneapolis
1h 29m stop
15:00 — 16:57
SY425
Sun Country Airlines
Minneapolis — Los Angeles
1h 25m stop
18:22 — 23:07
NK497
Spirit Airlines
Los Angeles — San Antonio
|
11h 12m including layover |
Find flight
from$250 |
|
|
13:09 — 04:59
+1 day
|
13:09 — 16:57
NK1146
Spirit Airlines
Chicago — Orlando
3h 33m stop
20:30 — 22:41
NK1852
Spirit Airlines
Orlando — Las Vegas
1h 45m stop
00:26 — 04:59
NK1058
Spirit Airlines
Las Vegas — San Antonio
|
15h 50m including layover |
Find flight
from$144 |
|
|
13:09 — 12:22
+1 day
|
13:09 — 16:57
NK1146
Spirit Airlines
Chicago — Orlando
3h 33m stop
20:30 — 22:41
NK1852
Spirit Airlines
Orlando — Las Vegas
9h 7m stop
07:48 — 12:22
NK462
Spirit Airlines
Las Vegas — San Antonio
|
23h 13m including layover |
Find flight
from$144 |
|
|
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$181 |
|
|
19:53 — 13:12
+1 day
|
19:53 — 23:48
NK1069
Spirit Airlines
Chicago — Tampa
5h 43m stop
05:31 — 07:37
NK901
Spirit Airlines
Tampa — Las Vegas
57m stop
08:34 — 13:12
NK1058
Spirit Airlines
Las Vegas — San Antonio
|
17h 19m including layover |
Find flight
from$217 |
|
*Departure and arrival times - local. Updated on March 12, 2025
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 11m.
- The fastest flight 3h 9m
- Average flight time 3h 11m
- The earliest flight 00:48
- The latest flight 22:47
- Distance 1047 ml
The cheapest months to travel to San Antonio are november (from 62 $), december (from 65 $), february (from 74 $).
The most expensive months are january (from 147 $), february (from 74 $), december (from 65 $).
What is the lowest airfare Chicago to San Antonio?
The cheapest plane ticket found by our users is $62. This airfare is for economy class on one-way F92209 flight by Frontier Airlines for November 12, 2024 which leaves Midway in Chicago at 09:45 am and arrives at San Antonio San Antonio at 10:29.
Economy class
$62
Business class
?
First class
?
Popular Airlines on the Route
The flight Chicago — San Antonio is served by 9 regular airlines and 6 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 12 departures per week at the price of from $ 233 . And the most expensive tickets are offered by Volaris airline - from $ 941.
Direct flights
There are 6 nonstop flights on the route. The fastest direct flight is UA1236 by United Airlines takes 3h 9m and the cheapest is F92209 by Frontier Airlines for $218.
- UA - United Airlinesfrom $218Find
See more direct flights
Connecting Flights
There are 336 flights with layovers on the route. The fastest connecting flight is UA2439 by United Airlines takes 4h 46m and the cheapest is F92209 by Frontier Airlines for $62.
- AS - Alaska Airlinesfrom $233Find
- F9 - Frontier Airlinesfrom $62Find
- SY - Sun Country Airlinesfrom $250Find
- Y4 - Volarisfrom $335Find
- UA - United Airlinesfrom $231Find
- AM - Aeromexicofrom $311Find
- VB - VivaAerobusfrom $355Find
- NK - Spirit Airlinesfrom $130Find
- G4 - Allegiant Airfrom $311Find
See more connecting flights
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 $62Find
- Midway-MDWfrom $62Find
- 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 9 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Chicago
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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.
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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.