Cheap flights from Mexico to Illinois from $134

The cheapest month to fly to Illinois from Mexico is in January. Flight prices, which tend to average around $313, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $322.

The cheapest day to depart from Mexico to Illinois is on a Thursday when prices can be found for as low as $339. Flights from Mexico to Illinois on a Sunday will generally be more expensive and average around $424. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Mexico to Illinois during this time can be as low as $318. Flights at noon are often more expensive with an average ticket price of $482.

Fly from Monterrey Gen Mariano Escobedo to Chicago O'Hare Intl for the best Mexico - Illinois flight prices

You are more likely to see cheaper flights to Illinois from Mexico when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $271 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Mexico for as low as $179 on momondo.

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

Volaris, Viva, and Frontier are the most popular carriers operating from Mexico to Illinois

Volaris, Viva and Delta are the top three most popular airlines that fly to Illinois from Mexico according to our data. Volaris is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

As of June 2026, there are 29 flights per day flying from Mexico to Illinois. The most common time of day flights depart is 2:00PM, with 40% of flights taking off in the afternoon.

As of June 2026, 203 flights take off from Mexico and land in Illinois each week. The most common flight departure day for this route is Wed, with 20% of weekly flights taking off on this day.