Cheap flights from Illinois to León from $167

In general, April is the cheapest month to fly from Illinois to León, Guanajuato. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $370. The month of February is another great option to travel to León, Guanajuato, with average flight prices from Illinois averaging around $374.

The cheapest day to depart from Illinois to León, Guanajuato is on a Monday. Travelers who choose to depart for León, Guanajuato on a Monday will often find tickets for as low as $399. Flights from Illinois to León, Guanajuato on a Sunday will generally be more expensive and average around $516. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to León, Guanajuato is in the evening. momondo users have found flights departing from Illinois to León, Guanajuato in the evening for as low as $435. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $696. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Chicago O'Hare Intl to León Del Bajio for the best Illinois - León Del Bajio flight prices

You are more likely to see cheaper flights to León, Guanajuato from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to León, Guanajuato for around $463 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to León, Guanajuato from Illinois for as low as $350 on momondo.

There are 2 cabin classes available to choose from on Illinois to León, Guanajuato flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, American Airlines, and Volaris are the most popular carriers operating from Illinois to León Del Bajio

Volaris, Viva and American Airlines are the top three most popular airlines that fly to León, Guanajuato from Illinois according to our data. Volaris is the first choice among our users, with 77% of people opting to fly with this airline when traveling to León, Guanajuato. Keep in mind that there are 7 different airlines that fly to León, Guanajuato on a routine basis, so you have a few additional options to choose from.

The number of flights available between Illinois and León, Guanajuato is 2 per day as of November 2026. The most frequent departure time is 12:00AM, with 58% of daily flights leaving in the morning.

As of November 2026, 14 flights take off from Illinois and land in León, Guanajuato each week. The most common flight departure day for this route is Tue, with 29% of weekly flights taking off on this day.