Chicago to Houston

MDWIAH

Fly from Chicago to Houston starting at USD 125 with Frontier Airlines.Best fare available on Sep 23, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to Houston cheapest flights this week

5 Sept
Frontier Airlines
06:05MDW
22:14IAH
1 StopUSD 151VIEW DEAL
6 Sept
Frontier Airlines
06:05MDW
00:55IAH
2 StopUSD 343VIEW DEAL
7 Sept
Frontier Airlines
06:05MDW
12:49IAH
2 StopUSD 343VIEW DEAL
8 Sept
Frontier Airlines
11:50MDW
22:14IAH
1 StopUSD 150VIEW DEAL
11 Sept
Frontier Airlines
18:46MDW
15:03IAH
2 StopUSD 238VIEW DEAL
14 Sept
Frontier Airlines
18:46MDW
07:17IAH
1 StopUSD 228VIEW DEAL
14 Sept
Frontier Airlines
06:25MDW
15:17IAH
2 StopUSD 139VIEW DEAL
17 Sept
Frontier Airlines
06:25MDW
22:30IAH
1 StopUSD 161VIEW DEAL
17 Sept
Frontier Airlines
18:46MDW
07:17IAH
1 StopUSD 263VIEW DEAL
23 Sept
Frontier Airlines
07:25MDW
15:05IAH
1 StopUSD 125VIEW DEAL

Chicago to Houston monthly flight fare trend

Sep
from USD 125
Oct
from USD 118
Nov
from USD 165
Dec
from USD 782
Jan
No flights
Feb
No flights

Airport Details

Origin

Chicago

Chicago Midway International Airport (MDW)

Chicago, MDW
Zone

Chicago

Elev

620 ft

Destination

Houston

George Bush Intercontinental Houston Airport (IAH)

Houston, IAH
Zone

Chicago

Elev

97 ft

Flights from Chicago

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