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United · Route guide

United Airlines: Houston (IAH) to Mexico City Route Insights

Everything you need to fly Houston to Mexico City: when to go, who flies it, what it costs, and how to land well.

1 airline on this route · Multiple daily

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Airline

United

Aircraft

B737-MAX / B737-900ER

Service

Multiple daily

Region

Latin America

The route

The flight route from Houston George Bush Intercontinental to Mexico City is a vital corridor for North American travel. As a primary hub-to-hub connection for United, this route serves as a gateway for business, tourism, and diplomatic travel between the United States and Mexico's capital city.

United operates multiple daily flights from Houston (IAH) to Mexico City (MEX). The flight covers a distance of approximately 764 miles with an average flight time of roughly 2 hours and 15 minutes, making it an efficient link between the two metropolitan areas.

This route is essential due to Houston's position as a major United Airlines hub and Mexico City's status as a global financial and cultural center. It provides seamless connectivity for passengers traveling from across the central United States into Latin America.
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Airports

Taking off, touching down.

Check-in, security, connections and getting into town at both ends of the flight.

Departure

Houston George Bush Intercontinental (IAH)

IAH
Check-in
United international flights typically depart from Terminals C and E; arrive at least 3 hours before departure.
Security
TSA PreCheck is available, but ensure your international documents are verified at the check-in counter or via the app first.
Connections
IAH offers excellent Skyway and Subway connections between all terminals for easy transit.
Arrival

Mexico City International Airport (AICM)

MEX
On arrival
Complete your immigration forms digitally if possible to speed up the entry process.
Ground transport
Only use authorized taxi services purchased at the kiosks inside the terminal building.
Planning ahead
The airport is located close to the city center, but traffic can be heavy; plan for at least 45-60 minutes for transfers.
Timing & fares

When it flies, what it costs.

Schedule & reliability

Schedule
Flights are spread throughout the day, starting as early as 7:00 AM through late evening departures.
Duration
Airborne time is usually under 2 hours, with the remaining time accounted for taxiing at busy airports.
Seasonality
Consistent year-round demand with peak spikes during holidays.
Time zones
Houston and Mexico City typically share the same time zone, though daylight savings changes may occasionally create a one-hour difference.

Fares & booking

Booking window
Standard international fares apply; 21-day advance purchase usually yields significant savings.
Cabin advice
Economy Plus is worth the investment for the extra legroom on the B737 aircraft.
Peak pricing
Fares rise sharply during Christmas, New Year, and Easter (Semana Santa).
  • Book at least 3 to 4 weeks in advance to secure the best pricing for this competitive route.
  • Tuesday and Wednesday flights often offer lower fares compared to weekend travel.
  • Use the United app to monitor for upgrade opportunities to First Class or Economy Plus.

Peak season

December, July, and the week of Easter.

Shoulder season

May, June, and September.

Off-peak season

Late January and February.

Tours and experiences at either end

Vetted day trips and activities in Mexico City and Houston, through our travel partner.

When to fly

Best Time to Fly Houston to Mexico City

  1. 01

    Spring (March - May)

    Ideal weather for exploring the city with comfortable temperatures and low rainfall.

  2. 02

    Winter (December)

    High demand due to holiday travel and festivals; book well in advance.

  3. 03

    Autumn (October - November)

    Excellent time for cultural events like Day of the Dead, though prices may rise.

Trip planning

Who this route suits best.

Business Professionals

The high frequency and short flight time make it perfect for corporate travel.

Leisure Seekers

Convenient access to Mexico's rich history, museums, and world-class dining.

Connecting Passengers

Ideal for those flying from the US West or Midwest looking for a quick hop to Mexico.

Connections & alternatives

Cancun (CUN)

Many travelers use Mexico City as a stopover before heading to coastal resorts.

Monterrey (MTY)

A common secondary destination for business travelers within Mexico.

Field notes

Travel Tips for the Houston-Mexico City Route

Visa & entry

  • A valid passport is required for all passengers entering Mexico.
  • US citizens do not need a visa for tourism but must have a completed FMM form.
  • Business travelers should verify specific permit requirements if staying for extended periods.

Airport transfers

  • Authorized airport taxis (Sitio) are the most reliable way to reach neighborhoods like Polanco or Reforma.
  • Ride-sharing apps operate but may have specific pickup points away from the main terminal doors.
  • The Metrobus Line 4 connects the airport to the city center for a very low cost.

Baggage & transit

  • Check United's specific baggage allowance for international flights to Mexico as it may vary by fare class.
  • If connecting in Houston from another US city, your bags will usually be checked through to Mexico City.
  • Keep your boarding pass handy for the quick document check before boarding the international segment.

Checklist

  • Valid Passport
  • Printed or digital boarding pass
  • Completed Mexican Customs/Immigration forms
  • Travel insurance documentation
Carriers

Airlines Flying Houston to Mexico City

United

Multiple daily flights

Primarily operates Boeing 737 family aircraft including the MAX and 900ER variants.

FAQ

Common questions.

Straight answers about flying Houston to Mexico City.

How long is the flight from Houston to Mexico City?

The average flight time is 2 hours and 15 minutes.

What aircraft does United use for the IAH to MEX route?

United typically operates Boeing 737-MAX and Boeing 737-900ER aircraft on this route.

Which terminal does United use at Houston IAH?

United usually operates international flights out of Terminals C and E at George Bush Intercontinental Airport.

Are there daily flights from Houston to Mexico City?

Yes, United operates multiple direct flights every day of the week.

Do I need a visa to fly from Houston to Mexico City?

US citizens do not need a visa for tourism, but they must have a valid passport and complete the required immigration forms.

Your travel vault

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Add your boarding pass for this route to your Borderly profile!

Three steps

  1. 1Add this route to your Borderly flight log to track your personal statistics.
  2. 2Sync your MileagePlus account to see your total miles flown on this corridor.
  3. 3Use the flight number UA-IAH-MEX in tracking apps for real-time gate updates.
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