Frontier Airlines Chicago to San Antonio Flights

Return flight: San Antonio – Chicago
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Cheapflightsplus.com will find cheap Frontier Airlines flights from Chicago to San Antonio. Compare airline ticket prices and book air tickets starting from $67 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Frontier Airlines, arrivals and departure details below.

Find Cheap Airfare Chicago (IL) — San Antonio (TX) by Frontier Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in january: one-way - $67, two-way – $115.
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Cheap Flights from Chicago to San Antonio by Frontier Airlines

Look at the list of plane tickets for the most connecting flights by Frontier Airlines, their prices start from $67. There’re no direct flights. The fastest connecting flight – 13h 31m.
Price Departure Arrival Flight Time Airline Flight
from $67
Find flight
6:48 pm
Chicago
O'Hare International
 8:19 am+1 день
San Antonio
San Antonio
 13h 31m
layover
8h 34m - Denver
 Frontier Airlines
F91483
F92356
from $87
Find flight
7:30 pm
Chicago
O'Hare International
 5:44 pm+1 день
San Antonio
San Antonio
 22h 14m
layover
15h 5m - Las Vegas
 Frontier Airlines
F92145
F93418
Show All Flights
*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 12/22/2024
Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
6:48 pm — 8:19 am
+1 day
6:00 pm — 8:02 pm F91483 Frontier Airlines
Chicago — Denver
8h 34m stop
7:45 am — 11:04 am F92356 Frontier Airlines
Denver — San Antonio
13h 31m
including layover
Find flight
from$67
7:30 pm — 5:44 pm
+1 day
3:15 pm — 5:23 pm F92145 Frontier Airlines
Chicago — Las Vegas
15h 5m stop
1:00 pm — 5:47 pm F93418 Frontier Airlines
Las Vegas — San Antonio
22h 14m
including layover
Find flight
from$87
*Departure and arrival times are local. Last updated on 12/22/2024

Flight Information

There are 3 flights by Frontier Airlines from Chicago to San Antonio every week with departures from Chicago FSS, Midway, O'Hare International, Chicago NAS, Merrill C Meigs (closed), Dupage County, Pal-Waukee. All flights arrive at San Antonio, Kelly AFB, Stinson Municipal, Randolph AFB, Martindale AAF.

Departures start from 6:48 pm to 7:30 pm. Nonstop flight is 13h 31m. The time difference between Chicago and San Antonio is 0h.

  • The fastest flight 13h 31m
  • Average flight time 17h 53m
  • The earliest flight 6:48 pm
  • The latest flight 7:30 pm
  • Distance 1047 ml

The cheapest months for traveling to San Antonio are december (from 59 $), february (from 67 $), november (from 76 $).

The cheapest flight by Frontier Airlines that our users were able to find is $67. This airfare is economy class on one-way F91483 flight for February 21, 2025 leaving O'Hare International in Chicago at 6:48 pm, it includes all taxes and additional fees.

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Frontier Airlines Airplanes on the Route

List of the most popular Frontier Airlines airplanes flying from Chicago to San Antonio:

Other Popular Airlines on the Route

Besides Frontier Airlines there are other 6 airline carriers between Chicago and San Antonio. Please review schedules and prices from the most popular airlines to find the best airfare deals from Chicago to San Antonio.

Nonstop flights

There are 2 direct flights every day from Chicago. Airlines and fares are below:

See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

  • AS - Alaska Airlines
    from $258
    Find
  • UA - United Airlines
    from $266
    Find
  • Y4 - Volaris
    from $312
    Find
  • AM - Aeromexico
    from $281
    Find
  • VB - VivaAerobus
    from $332
    Find
  • NK - Spirit Airlines
    from $133
    Find
See more connecting flights

How to book an air 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 airfare.
  • 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.

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