Cheap flights from Chicago to Mexico City from $122

The cheapest month to fly to Mexico City from Chicago is in September. Flight prices, which tend to average around $288, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Mexico City from Chicago during February instead. Flights to Mexico City in February, while not as cheap as those in September, still average around $298.

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 $380. On the other hand, Friday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $400.

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 Chicago to Mexico City in the evening for as low as $383. 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 $415 per ticket.

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

You are more likely to see cheaper flights to Mexico City from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Mexico City for around $374 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Mexico City from Chicago for as low as $309 on momondo.

You could potentially save up to 10% on your flight if you consider stops on a Chicago to Mexico City flight.

As of May 2026, prices for Chicago to Mexico City flights are approximately 8% more expensive when compared to flights at the same time last year.

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

Volaris, Viva and Aeromexico are the top three most popular airlines that fly to Mexico City from Chicago according to our data. Volaris is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Mexico City. Keep in mind that there are 8 different airlines that fly to Mexico City on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Chicago and Mexico City have experienced a delay on any given week. The average delay length over the past 12 months has been 161 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Aeromexico have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

As of May 2026, there are 14 flights per day flying from Chicago to Mexico City. The most common time of day flights depart is 1:00AM, with 45% of flights taking off at noon.

As of May 2026, there are 104 flights per week flying from Chicago to Mexico City. The most common day of the week flights depart is Tue, with 15% of flights taking off on this day.