Cheap flights from Monterrey to Chicago from $149

The month of October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Monterrey averaging around $319.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Saturday when prices can be found for as low as $287. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from Monterrey because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $466.

Flying to Chicago O'Hare Intl Airport from Monterrey in the evening is the least expensive time of day to depart. momondo users have found prices as low as $361 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $615. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Monterrey when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $396 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Monterrey for as low as $262 on momondo.

There are 3 cabin classes available to choose from on Monterrey to Chicago O'Hare Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 16% of flights between Monterrey and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 150 minutes.

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

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

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

As of July 2026, there are 2 flights per day flying from Monterrey to Chicago O'Hare Intl Airport. The most common time of day flights depart is 12:00PM, with 77% of flights taking off in the afternoon.

As of July 2026, there are 17 flights per week flying from Monterrey to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.