Cheap flights from Illinois to Mexico City from $129

The cheapest month to fly to Mexico City from Illinois is in February. 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 during the month of February, then book flights to Mexico City from Illinois during January instead. Flights to Mexico City in January, while not as cheap as those in February, still average around $326.

Our data shows that Thursday is the least expensive day to fly to Mexico City. Tickets to fly out on this day can be as low as $392. On the other hand, Saturday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $409.

According to our data, the cheapest time of day to fly to Mexico City is in the evening. momondo users have found flights departing from Illinois to Mexico City in the evening for as low as $391. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Mexico City, so prices are often more expensive at around $435 per ticket.

Fly from Chicago O'Hare Intl to Mexico City Benito Juarez for the best Illinois - Mexico City Benito Juarez flight prices

You are more likely to see cheaper flights to Mexico City from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Mexico City for around $387 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Mexico City from Illinois for as low as $348 on momondo.

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

Viva, Delta, and American Airlines are the most popular carriers operating from Illinois to Mexico City Benito Juarez

Volaris, Viva and Aeromexico are the top three most popular airlines that fly to Mexico City from Illinois according to our data. Volaris is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Mexico City. Keep in mind that there are 7 different airlines that fly to Mexico City on a routine basis, so you have a few additional options to choose from.

As of July 2026, there are 14 flights per day flying from Illinois to Mexico City. The most common time of day flights depart is 1:00AM, with 47% of flights taking off at noon.

As of July 2026, there are 99 flights per week flying from Illinois to Mexico City. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.