When flying from Illinois to Houston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
August can be a great time to fly to Houston from Illinois with a flight ticket averaging about $136. Cheapflights users have found deals in the month of August for as cheap as $37. The most expensive prices can be found in the month of December.
To save up to 21% on this flight, we recommend booking at least 18 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Illinois to Houston from $128 1-2 weeks out and tickets from $164 for flights departing within the next 72 hours.
||$48||$320||No cancel fee||69%|
||$48||$386||No cancel fee||71%|
||$56||$176||No cancel fee||65%|
||$87||$353||No cancel fee||N/A|