1 hr 30 min is the shortest flight time from Mexico City to Monterrey.

The cheapest days to fly are usually in January. Typical prices range from $55 to $85.

The best round-trip deal recently found on Google Flights from Mexico City to Monterrey was with VivaAerobus from $69. The best one-way deal was with VivaAerobus from $30.

There are direct flights from Mexico City to Monterrey on a daily basis.

Aeromexico, VivaAerobus and Volaris fly direct from Mexico City to Monterrey.

The cheapest round-trip flight from Mexico City to Monterrey starts at $69 from Fri, Sep 20 to Mon, Sep 23. The cheapest one-way flight starts at $30 and departs on Fri, Sep 20.

Monterrey has a semi-arid climate with hot summers, mild winters, and little rainfall (Sep is the wettest month). The peak travel time of Mar–May is also a good time for outdoor activities. Hotels also tend to be crowded around end-of-year holidays (Nov–Dec). Notable annual events include the Feria Agrícola Comercial y Ganadera (May), a fair with rodeos and horse races, and the Festival Bella Via (usually Oct), a exhibition of Mexican and international artists held at the Macroplaza.

It's easy to use Google Flights to find the cheapest days to fly from Mexico City to Monterrey.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.