Chicago to Houston
ORDIAH
Fly from Chicago to Houston starting at USD 115 with Spirit Airlines.
Best fare available on Oct 8, 2026.
Limited seats. Better plans. Book before it's gone.
Chicago to Houston cheapest flights this week
Chicago to Houston monthly flight fare trend
Jun
from USD 59
Jul
No flights
Aug
No flights
Sep
No flights
Oct
from USD 115
Nov
No flights
Airport Details
Origin
Chicago
Chicago O'Hare International Airport (ORD)
Chicago, ORD
Zone
Chicago
Elev
680 ft
Destination
Houston
George Bush Intercontinental Houston Airport (IAH)
Houston, IAH
Zone
Chicago
Elev
97 ft
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