Direct flights available:
352 PER WEEK
Popular non-direct routes for this connection are G.Bush Intercont - Detroit Metro - Midway, G.Bush Intercont - Saint Paul Intl - Midway and G.Bush Intercont - Dallas Ft Worth - O'Hare Intl.
You can fly from Houston to Chicago indirect via Detroit Metro, Saint Paul Intl or Dallas Ft Worth.
Direct flights available on