Cheap flights from Chicago (CHI) to San Antonio (SAT) from $90

Thu 6/610:41 pmMDW - SAT

1 stop9h 46mFrontier

Sat 6/83:02 pmSAT - MDW

1 stop6h 28mFrontier

Deal found 5/12$145

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Sat 6/155:40 amMDW - SAT

1 stop8h 22mFrontier

Mon 6/174:19 pmSAT - MDW

1 stop13h 10mFrontier

Deal found 5/12$150

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Fri 5/315:01 amMDW - SAT

1 stop27h 22mFrontier

Wed 6/510:34 pmSAT - MDW

1 stop12h 34mFrontier

Deal found 5/12$153

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Thu 8/2910:00 pmMDW - SAT

1 stop19h 44mFrontier

Mon 9/26:40 pmSAT - MDW

1 stop11h 53mFrontier

Deal found 5/12$158

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Wed 6/195:55 amMDW - SAT

1 stop15h 38mFrontier

Mon 6/249:23 amSAT - MDW

1 stop27h 46mFrontier

Deal found 5/12$160

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Sun 6/168:53 pmMDW - SAT

1 stop21h 22mFrontier

Fri 6/219:10 pmSAT - MDW

1 stop8h 19mFrontier

Deal found 5/12$161

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Thu 8/222:54 pmMDW - SAT

1 stop16h 03mFrontier

Sun 8/256:40 pmSAT - MDW

1 stop11h 53mFrontier

Deal found 5/12$162

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Thu 6/138:51 pmMDW - SAT

1 stop12h 58mFrontier

Sat 6/1510:31 amSAT - MDW

1 stop10h 59mFrontier

Deal found 5/12$164

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Fri 8/236:00 amMDW - SAT

1 stop26h 19mFrontier

Sun 8/256:40 pmSAT - MDW

1 stop11h 53mFrontier

Deal found 5/12$165

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• One of the most popular airlines traveling from Chicago to San Antonio is Frontier. Flights from Frontier traveling this route typically cost $382.80 RT. This price is typically 38% cheaper than other airlines that offer Chicago to San Antonio flights. When booking this route, the cheapest RT price found was $213. Chicago O'Hare Intl Airport is the most common Chicago airport to take off from when flying to San Antonio. San Antonio Airport is the most popular arrival airport in San Antonio. When flying from Chicago to San Antonio, Frontier flights are 6% more popular than any other airline flying that same route.

Sat 5/257:30 amORD - SAT

1 stop16h 13mSpirit Airlines

Wed 5/296:45 amSAT - ORD

1 stop10h 11mSpirit Airlines

Deal found 5/12$229

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Sat 6/18:25 pmORD - SAT

2 stops27h 56mSpirit Airlines

Wed 6/51:58 pmSAT - ORD

1 stop9h 47mSpirit Airlines

Deal found 5/12$234

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Wed 6/511:01 amORD - SAT

2 stops12h 36mSpirit Airlines

Thu 6/66:45 amSAT - ORD

3 stops29h 38mSpirit Airlines

Deal found 5/12$235

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Wed 6/511:01 amORD - SAT

2 stops12h 36mSpirit Airlines

Fri 6/76:45 amSAT - ORD

3 stops18h 10mSpirit Airlines

Deal found 5/12$236

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Wed 6/511:01 amORD - SAT

2 stops12h 36mSpirit Airlines

Sat 6/85:21 amSAT - ORD

2 stops13h 11mSpirit Airlines

Deal found 5/12$239

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Wed 5/151:13 pmORD - SAT

1 stop8h 02mSpirit Airlines

Sat 5/188:00 pmSAT - ORD

1 stop10h 40mSpirit Airlines

Deal found 5/12$240

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Tue 6/49:25 pmORD - SAT

2 stops26h 12mSpirit Airlines

Fri 6/76:45 amSAT - ORD

3 stops18h 10mSpirit Airlines

Deal found 5/12$241

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Wed 5/2210:57 pmORD - SAT

2 stops20h 54mSpirit Airlines

Wed 5/296:45 amSAT - ORD

1 stop10h 11mSpirit Airlines

Deal found 5/12$243

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Wed 5/229:36 amORD - SAT

1 stop11h 39mSpirit Airlines

Wed 5/296:45 amSAT - ORD

1 stop10h 11mSpirit Airlines

Deal found 5/12$259

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• If you’re traveling from Chicago to San Antonio, one of the more common airlines traveling that route is Spirit Airlines. Chicago to San Antonio flights are typically 62% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $367.00 RT. The cheapest Spirit Airlines flight found for this route was $194. When traveling from Chicago to San Antonio on Spirit Airlines, the most popular airport to depart from is Chicago O'Hare Intl Airport and the most popular airport to arrive at is San Antonio Airport. When flying from Chicago to San Antonio, Spirit Airlines flights are 4% more popular than any other airline flying that same route.

Currently, September is the cheapest month in which you can book a flight from Chicago to San Antonio (average of $290). Flying from Chicago to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

• What airport do you fly into for flights to San Antonio from Chicago?

  San Antonio (SAT) is the airport you will fly into if you book a flight from Chicago to San Antonio. You should not have trouble finding flights to San Antonio from Chicago; the airport handles an average of 15 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the San Antonio airport from Chicago. It is only a 7.6 mi journey from San Antonio (SAT) to San Antonio’s city center.

• Can I find flights from Chicago to San Antonio for under $200 on Cheapflights?

  Yes, there are multiple flights from Chicago to San Antonio for under $200. The cheapest flight booked recently is on Frontier for just $145, but on average you can expect to pay $172.

• Are there nonstop flights from Chicago to San Antonio for under $400 on Cheapflights?

  Cheapflights has at least 20 direct flights from Chicago to San Antonio under $400. A good price for a nonstop flight from Chicago to San Antonio is less than $399.

• Are there last-minute flights available from Chicago to San Antonio for under $300?

  There are currently 20+ open flights from Chicago to San Antonio within the next 7 days for less than $300.

• What days are nonstop flights available from Chicago to San Antonio?

  Nonstop flights can be found on the following days: Wednesday.

• How many flights depart from Chicago to San Antonio on average per day?

  1 flight departure from Chicago to San Antonio per day on average.
  Evening (6pm - Midnight) - 100% of flight departures

• How long is the flight from Chicago to San Antonio?

  Departing from Chicago to San Antonio will take you 9h 46m. The distance between Chicago and San Antonio is about 1048 mi. This flight may include one or multiple stops.

• What are the cheapest airlines flying from Chicago to San Antonio round-trip?

  Cheapflights users have booked flights from Chicago to San Antonio round-trip from $145. Another airline that can offer you cheap pricing is Spirit Airlines. Frontier is priced at 60% lower than the current average price of a flight leaving 3 months from now.

• What are the cheapest airlines to fly from Chicago to San Antonio one-way?

  One-way options have recently been found by users for as low as $90 on Frontier. Other airlines that offer cheap prices include Sun Country Air from $96 and Spirit Airlines from $102 one-way.

• What are the most popular airlines that fly from Chicago to San Antonio?

  Before booking your flight from Chicago to San Antonio check out the most popular airlines for this route: American Airlines, Delta or Frontier.

• What are the most reliable airlines from Chicago to San Antonio?

  Consider American Airlines (74%), Air Canada (71%) or Alaska Airlines (68%) when booking your flight. These represent the most reliable airlines when flying from Chicago to San Antonio.

• What are the cheapest flights from Chicago to San Antonio?

  Looking at all options, your cheapest flight can be booked for $98. While the most popular route (Chicago O'Hare Intl - San Antonio) can be booked for $124 on average our data indicates $356 when flying from Chicago to San Antonio.

• What does ORD to SAT mean?

  Great question - ORD to SAT just means Chicago O'Hare Intl Airport to San Antonio Airport. Now you’ll know what these unique codes when you look for flights! This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD).

• Can I find deals for flights from Chicago to San Antonio that include extra baggage allowance?

  The amount of baggage you can bring on your Chicago to San Antonio flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

• Can I find deals on flights from Chicago to San Antonio with specific airlines?

  Yes, Cheapflights allows you to browse and filter Chicago to San Antonio flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

• Can I find deals for flights from Chicago to San Antonio that include hotel bookings?

  Yes. In addition to deals on Chicago to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

• How can I find direct flights from Chicago to San Antonio?

  After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to San Antonio.

• Can I find deals for business class flights from Chicago to San Antonio?

  Yes. Cheapflights offers flight deals from Chicago to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

• Can I find deals for flights from Chicago to San Antonio that allow pets onboard?

  Many airlines flying from Chicago to San Antonio offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

• Can I find deals on last-minute flights from Chicago to San Antonio?

  Yes, you can often find last-minute deals on Chicago to San Antonio flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

• How recently were the Chicago to San Antonio flight deals updated?

  The Chicago to San Antonio flight deals you see on this page were last updated on 5/12.