Cheapest Day to Buy Flights from Mexico City to Houston
Low Fare Calendar — Mexico City to Houston
When to book vs. when to fly — Mexico City → Houston
Live data from recent Aviasales searches for MEX → IAH, plus a booking rule of thumb.
Lowest indicative per-adult round-trip fares seen in Aviasales searches — confirmed live on the booking site before payment.
See the cheapest month’s fares ↗Search any date — Mexico City → Houston
Flight options — Mexico City → Houston
Recently-seen round-trip fares — click any flight for details, alternatives and booking.
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FAQ — MEX → IAH
How much is a flight from Mexico City to Houston?
Prices vary by season and departure day. The Low Fare Calendar on this page shows the cheapest fare for every day of the coming year between Mexico City (MEX) and Houston (IAH).
Which airlines fly from Mexico City to Houston?
The Mexico City → Houston route covers about 1,232 km and usually 1–3 h nonstop. Multiple carriers operate it — search FlyTiming to compare every airline and agency serving MEX → IAH in one search.
What is the cheapest day to fly from Mexico City to Houston?
It varies by month. The price card on this page highlights the cheapest month and the historically cheapest day of the week to fly this route — the Low Fare Calendar below marks low-fare days in green.
When is the best time to book flights from Mexico City to Houston?
As a rule of thumb, fares on international routes are usually lowest roughly 3–12 weeks before departure — and northern-summer peak (June–August) usually means the highest fares — book early or aim for the shoulder months. The calendar below is the fastest way to spot the cheapest months for Mexico City → Houston.