Which airports does United Airlines fly between Houston and Chicago?
For flights between Houston and Chicago, United Airlines operates from the following airport routes: G.Bush Intercontinental (IAH) to O hare International Airport (ORD)
What do United Airlines flights from Houston to Chicago cost?
One of United Airlines cheapest prices for a Houston to Chicago flight we have right now is $126.
On average though, flights with United Airlines cost $126.97 for the route Houston to Chicago, but it mostly depends on the season and how far in advance you book your tickets.