Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from San Antonio to Chicago. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from San Antonio to Chicago, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The cheapest one-way flight from San Antonio to Chicago departs on 09/26/2026, is operated by Frontier Airlines and costs $187
There is no information about the cheapest roundtrip flight from San Antonio to Chicago
Fastest flight from San Antonio to Chicago takes 7h 48m
There are direct flights on this route 4 days a week: Su, Mo, Th, and Sa
The distance between San Antonio and Chicago is 1694km (1050 miles). There are 54 direct flights from San Antonio to Chicago. San Antonio and Chicago are in the same time zone. Flights from San Antonio begin at 5:00 AM. The latest flight from San Antonio departs at 6:52 PM
The route San Antonio — Chicago is served by several airlines: United Airlines, American Airlines, and Frontier Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $187 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
San Antonio — Chicago
09/26/2026
Departure
Direct flight
UA1332
starting at $343
San Antonio — Chicago
09/27/2026
Departure
Direct flight
AA2845
starting at $428
San Antonio — Chicago
09/28/2026
Departure
Direct flight
AA2845
starting at $306
San Antonio — Chicago
10/01/2026
Departure
Direct flight
AA4176
starting at $422
There are most likely no direct flights on the San Antonio — Chicago route
San Antonio, an enchanting Texan city, is served by two major airports - San Antonio International Airport (SAT) and Stinson Municipal Airport (SSF). San Antonio International Airport is the main hub for travelers departing from this vibrant city. It offers a wide range of flights to domestic and international destinations, ensuring convenient connections for globetrotters. With major airlines like American, Southwest, and United operating here, passengers can enjoy a comfortable and prestigious travel experience. Additionally, SAT boasts excellent facilities, including shops, restaurants, and lounges, providing a pleasant and entertaining atmosphere while waiting for departure. Getting to San Antonio International Airport is a breeze, with multiple transportation options available. Thanks to its central location, it's a quick and affordable ride from the city center, taking only around 15 minutes on average. Taxis, ride-sharing services, and public transportation are readily accessible, reducing travel time and costs. On the other hand, if you prefer a more tranquil and streamlined departure, Stinson Municipal Airport is an excellent choice. Although it mainly caters to private and general aviation, it offers unique advantages for travelers seeking a hassle-free experience. With its smaller size and fewer crowds, Stinson Municipal provides a quicker check-in process, shorter security lines, and faster boarding times. Moreover, its location in the southern part of the city ensures easy accessibility for those residing in that area. While Stinson Municipal Airport might have limited commercial flights, it remains an enticing option for those who prioritize convenience and avoid the bustling airport scenes. Renting a car or taking a short taxi ride is recommended to reach this charming airport efficiently. When departing from San Antonio, both airports provide unique benefits, whether it's the wide range of flight options and facilities of San Antonio International Airport or the tranquility and streamlined process of Stinson Municipal Airport. Whichever airport you choose, rest assured that your journey will begin with ease and comfort, setting the perfect tone for your travel adventures. Start your air ticket search today and embark on an unforgettable journey from the captivating airports of San Antonio.
Welcome to Chicago, the Windy City! When it comes to airports, Chicago offers you three major options to choose from. Let's explore them! First up is O'Hare International Airport (ORD), one of the busiest airports in the world. With an array of international and domestic flights, O'Hare connects you to various destinations worldwide. Its extensive network means you have a wide range of choices for your air travel. While O'Hare's size and popularity may result in longer security lines and occasional delays, its excellent reputation and top-notch facilities make up for it. Moreover, the airport has numerous ground transportation options that ensure easy access to downtown Chicago and other suburbs. Next, we have Midway International Airport (MDW), located closer to the city center. Midway caters primarily to domestic flights, making it a convenient choice for travelers within the United States. This airport is known for its efficiency and shorter security lines, allowing you to breeze through the check-in process. While it may have a slightly smaller selection of airlines compared to O'Hare, many major carriers still operate here, providing ample choices for your journey. With its proximity to downtown, getting to your destination quickly and affordably is a breeze. Lastly, we have Chicago Rockford International Airport (RFD), situated further away from downtown Chicago. Although smaller in size, RFD offers a more relaxed and hassle-free travel experience. This airport mainly handles cargo and charter flights, but also serves some low-cost carriers for passenger travel. The benefit of flying into RFD is the lower possibility of congestion and quick access to your desired location in the city or beyond. No matter which airport you choose, Chicago offers you a vibrant and diverse cityscape to explore. So book your tickets now and embark on an unforgettable adventure!
We couldn't find any special offers for flights from San Antonio to Chicago
The cheapest flight ticket from San Antonio to Chicago according to data for the last 48 hours costs $187
Often the best time to buy tickets from San Antonio to Chicago is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from San Antonio to Chicago can be found flying in these months: December, September, November.
The fastest flights from San Antonio to Chicago start from 7 hours 48 minutes in the air.
The following airlines operate direct flights on the route San Antonio — Chicago: United Airlines, American Airlines
The minimum one-way ticket price from San Antonio to Chicago is $123 (December 2026), while the maximum is $137 (October 2026). On average, a ticket costs $131–$136.
Flight prices from San Antonio to Chicago barely change from month to month. You can comfortably choose any convenient dates — there won't be a significant overpayment.
There is a slight difference: it's a bit cheaper in November 2026–December 2026 (averaging $129) and slightly more in October 2026–November 2026 ($136). But overall, the difference is small.
On this route, you don't need to target specific months — prices are stable. The difference between the cheapest and most expensive period is only 5%. Book whenever it's convenient.
Monthly price variation is just 4.1%. Ticket costs on this route are among the most predictable.