Route guide

Houston to Mexico City (IAH-MEX): Nonstop Upgrade & Award Space

United Airlines, Aeroméxico, VivaAerobus, and Volaris fly nonstop between Houston (IAH) and Mexico City (MEX), roughly 73 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every IAH to MEX departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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73
Nonstop flights a week
766 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every IAH to MEX departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Houston to Mexico City to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each IAH to MEX departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See IAH to MEX on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Houston to Mexico City nonstop

Carriers operating IAH to MEX nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • United Airlines
  • Aeroméxico
  • VivaAerobus
  • Volaris
See IAH to MEX on the interactive map →

Frequently asked questions about IAH to MEX

How far is Mexico City from Houston?
IAH to MEX covers about 766 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from IAH to MEX?
United Airlines, Aeroméxico, VivaAerobus, and Volaris fly the route nonstop. 2LNR tracks confirmed upgrade and award space on all four of them.
How many flights a week are there from IAH to MEX?
About 73 nonstop flights a week run between Houston and Mexico City in the current schedule, operated by United Airlines, Aeroméxico, VivaAerobus, and Volaris. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on IAH to MEX?
Open the IAH to MEX calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Houston to Mexico City route, and 2LNR will notify you when space opens. It's free to start.

Never miss IAH to MEX upgrade or award space

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