Cheap flights from Illinois to Texas from $40

The cheapest month to fly to Texas from Illinois is in August. Flight prices, which tend to average around $173, are often lower during this time because this is during the off-season. If you don’t want to visit Texas in August, then you should wait until July to fly from Illinois, when ticket prices are also cheap, with an average price of $188.

According to our data, Friday is the cheapest day to fly to Texas from Illinois. The lowest ticket price found for a Friday departure recently was $262. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Texas on Monday is $480.

The cheapest time of day to fly to Texas is in the afternoon when flights can be purchased for as low as $280. Flights to Texas are more costly in the morning, with an average ticket price of $353. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Chicago Midway to Dallas/Fort Worth for the best Illinois - Texas flight prices

You are more likely to see cheaper flights to Texas from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Texas for around $241 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Texas from Illinois for as low as $138 on momondo.

There are 4 cabin classes available to choose from on Illinois to Texas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, Southwest, and Frontier are the most popular carriers operating from Illinois to Texas

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Texas from Illinois according to our data. American Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Texas. Keep in mind that there are 7 different airlines that fly to Texas on a routine basis, so you have a few additional options to choose from.

As of April 2026, there are 239 flights per day flying from Illinois to Texas. The most common time of day flights depart is 8:00PM, with 33% of flights taking off at noon.

As of April 2026, 1,679 flights take off from Illinois and land in Texas each week. The most common flight departure day for this route is Fri, with 18% of weekly flights taking off on this day.