Direct flights from Houston

Where can you fly nonstop from Houston (IAH)?

George Bush Intercontinental Airport (IAH) offers nonstop flights to 191 destinations across the United States, Argentina, Aruba, the Bahamas, Belize, Brazil, Canada, Caribbean Netherlands, the Cayman Islands, Colombia, Costa Rica, Denmark, the Dominican Republic, Ecuador, El Salvador, France, Germany, Guatemala, Guyana, Honduras, Italy, Jamaica, Japan, Mexico, the Netherlands, New Zealand, Nicaragua, Panama, Peru, Puerto Rico, Qatar, Trinidad and Tobago, Turkey, the U.S. Virgin Islands, United Arab Emirates and the United Kingdom. The busiest direct routes from IAH are served by United, Frontier, American and Delta, with the most frequent nonstop service to Chicago, Dallas-Fort Worth and Atlanta.

Headed abroad without a connection? IAH has direct international flights to Mexico City, Monterrey and Cancun. Use the day filter above to see exactly which routes fly on the day you want to travel. Route data updated October 2026 from observed departures.

Airlines and flight times at IAH

24 airlines fly nonstop out of IAH. United runs the biggest operation — about 3131 of the 3910 weekly departures (80%), across 165 routes — followed by American and Delta.

The airlines flying nonstop out of Houston are United, American, Delta, Frontier, JetBlue, Alaska, Volaris, Viva Aerobus, Air Canada, British Airways, Aeroméxico, Avianca El Salvador, Air Canada Rouge, Turkish Airlines, WestJet, Emirates, Lufthansa, Air France, Qatar Airways, Air New Zealand, KLM, ZIPAIR, ITA Airways and Avelo Airlines.

On 143 of Houston's 191 nonstop routes, a single airline has the service to itself — United is the only airline with a nonstop to San Francisco, and Turkish Airlines the only one to Istanbul.

The shortest nonstop out of IAH is Victoria at about 22m in the air; the longest is Dubai at about 14h30m.

Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.