Cheap flights from Houston (IAH)

United's largest Latin America gateway, 35 km north of downtown Houston

George Bush Intercontinental sits about 35 km north of downtown Houston and is one of United's largest hubs, with extensive long-haul reach across Latin America, Europe, Africa and Asia. The airport features five terminals connected by an underground people-mover and houses a major United maintenance base. Latin American carriers including Aeroméxico, Avianca, Copa, LATAM and Volaris add competing service to the region.

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Airlines flying from Houston (IAH)

Major carriers: United, Spirit, Southwest, Delta, American Airlines. Low-cost carriers: Spirit, Frontier, Volaris.

Popular destinations from Houston (IAH)

Frequently asked questions

What is the cheapest month to fly from Houston Intercontinental?
Late January, February and the back half of August are usually the cheapest periods at IAH, especially on Latin America and transatlantic United routes. Flightmussy's 12-month fare heatmap shows the exact week each route bottoms out across all the carriers serving the airport.
Which airlines fly out of IAH?
United runs its third-largest hub at IAH, joined by Spirit, Southwest, Delta, American, Frontier and a wide international roster including Lufthansa, Air France, KLM, Qatar, Emirates, Turkish, Avianca, Aeroméxico, LATAM and Volaris. Flightmussy compares them all in one search.
How far is IAH from downtown Houston?
IAH sits roughly 35 km north of downtown Houston. METRO Park & Ride bus 102 links the terminal to downtown in 45-60 minutes, and rideshares typically cover the trip in 30-50 minutes depending on Hardy Toll Road and I-69 traffic. Long-term parking is plentiful.
Are there direct flights from IAH to Latin America?
Yes, IAH has the most extensive Latin America network of any US airport with United, Aeroméxico, Avianca, Copa, LATAM, Volaris and others competing. Daily nonstops reach Mexico City, São Paulo, Bogotá, Lima, Buenos Aires, Santiago and dozens more. Flightmussy compares every carrier.

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