Cheap flights from Illinois to Monterrey from $119

The month of November is, on average, the cheapest month to fly to Monterrey from Illinois, with most prices found around $99. If you are unable to visit Monterrey during the month of November, then departing from Illinois during the month March is also very affordable. Most momondo users find prices during this month for around $99.

The cheapest day to depart from Illinois to Monterrey is on a Thursday. Travelers who choose to depart for Monterrey on a Thursday will often find tickets for as low as $362. On the other hand, Sunday 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 $434.

Our most recent data shows that the best time of day to fly to Monterrey is in the evening. Flights from Illinois to Monterrey during this time can be as low as $370. In the afternoon is when there is more demand to fly to Monterrey, so prices are often more expensive at around $401 per ticket.

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

You are more likely to see cheaper flights to Monterrey from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Monterrey for around $385 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Monterrey from Illinois for as low as $258 on momondo.

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

Viva and Volaris are the most popular carriers operating from Illinois to Monterrey Gen Mariano Escobedo

Viva, United Airlines and American Airlines are the top three most popular airlines that fly to Monterrey from Illinois according to our data. Viva is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Monterrey. Keep in mind that there are 3 different airlines that fly to Monterrey on a routine basis, so you have a few additional options to choose from.

As of June 2026, 2 flights take off from Illinois and land in Monterrey each day. The most common flight departure time for this route is 9:00AM, with 82% of daily flights taking off at noon.

The number of flights available between Illinois and Monterrey is 17 per week as of June 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.