✈️ Flight Guide: Chicago (ORD) → Mexico City (MEX)

Security wait times at O'Hare International Airport (ORD) in October usually range from 10 to 45 minutes depending on terminal and time of day, with mornings and early evenings busiest. Weekdays outside rush hours and using TSA PreCheck can reduce wait times significantly. Check the official airport and airline apps the morning of departure for live updates and arrive at least 2 hours before a domestic connection or 3 hours for international travel.

Yes, in October there are regularly scheduled nonstop flights between O'Hare International Airport (ORD) and Benito Juárez International Airport (MEX) operated by major carriers such as United Airlines and Aeroméxico. Frequency can vary by day of week and airline seasonal scheduling, so check current flight schedules and book early for the best nonstop fares. Use fare alerts to monitor price changes for October travel dates.

October in Chicago brings crisp fall weather and occasional wind or rain that can cause short delays; significant winter impacts are rare until November. Fog or high winds can delay departures or arrivals, but most disruptions are manageable with flexible connection times. Monitor airline alerts on travel day and consider booking flights with a buffer if you have tight connections.

O'Hare International Airport (ORD) offers multiple ground transport options year-round, including the CTA Blue Line train to downtown, airport shuttle buses, taxis, rideshares (Uber/Lyft), and rental cars. October is a popular travel month so allow extra time for ride-hail pick-ups during peak tourist events like the Chicago Marathon. For cost savings, take the CTA Blue Line for a predictable 45–55 minute trip to the Loop.

Baggage allowances depend on your airline and fare class; most carriers permit one carry-on plus one personal item, with checked-baggage fees for basic economy fares. For international flights to Benito Juárez International Airport (MEX) in October, confirm size and weight limits with your airline and label luggage clearly. Allow extra time at the airport for checked bag drop during busy October travel dates.

October can offer good deals for Chicago to Mexico City flights as high summer travel has ended; booking 4–8 weeks in advance or monitoring weekday price dips often yields the best fares. Use fare comparison tools, sign up for airline newsletters, and set price alerts to catch discount flights from O'Hare (ORD) to Benito Juárez (MEX). Consider flexible dates and connecting itineraries if nonstop fares are higher.

At Benito Juárez International Airport (MEX), international arrivals go through immigration, baggage claim, and customs; the process typically takes 30–90 minutes depending on passenger volume and time of day. In October, lines are usually manageable outside major Mexican holidays, but allow extra time during weekend surges or when multiple international flights arrive simultaneously. Have your passport and immigration form ready, and use official immigration lanes for faster processing.

From Benito Juárez International Airport (MEX) to downtown Mexico City, options include authorized taxis, rideshares (where available), airport shuttle services, private transfers, and the airport bus (Metrobus Line 4). In October, traffic is lighter than summer rush, but plan extra time during morning and evening peaks. For safety and convenience, choose authorized taxi booths or pre-booked transfers when arriving at night or with heavy luggage.

October in Mexico City is a transition month from the rainy season to dryer conditions; expect mild temperatures around 15–25°C (59–77°F) with a chance of late-afternoon showers early in the month. Pack a light waterproof layer and layers for cooler mornings and evenings, and be mindful of the city's high altitude which can make days feel sunnier. Check a local forecast before traveling for up-to-date conditions.

Benito Juárez International Airport (MEX) offers lounges, shops, restaurants, currency exchange, and duty-free shopping across terminals, and most services run normally in October. Priority Pass and airline lounges are available in select terminals; check lounge access and terminal assignments ahead of arrival. For the best experience, arrive early to enjoy dining and shopping before heading into the city.

Entry requirements can change, but as of October travelers from the U.S. typically need a valid passport and may require a tourist card (FMM) available online or on arrival; always verify visa eligibility based on nationality. Check health advisories, recommended vaccinations, and any temporary travel notices before departure, and have travel insurance covering medical care in Mexico. Keep digital and printed copies of travel documents for immigration at MEX.

Yes — October is an excellent time to use Benito Juárez International Airport (MEX) as your gateway to nearby destinations such as Puebla, Toluca, Querétaro, and the cultural hubs of Guanajuato and Taxco. Cooler weather and fewer crowds make day trips and short stays more pleasant, and events like the Festival Internacional Cervantino in October (Guanajuato) draw cultural travelers. Consider renting a car or booking regional buses and domestic flights for convenient connections.