Houston to Chicago

IAHORD

Fly from Houston to Chicago starting at USD 45 with Frontier Airlines.Best fare available on Sep 15, 2026.Limited seats. Better plans. Book before it's gone.

Houston to Chicago cheapest flights this week

22 Jul
United Airlines
22:08IAH
00:45ORD
DirectUSD 223VIEW DEAL
23 Jul
Frontier Airlines
21:58IAH
00:49ORD
DirectUSD 133VIEW DEAL
24 Jul
Frontier Airlines
21:58IAH
00:49ORD
DirectUSD 133VIEW DEAL
25 Jul
Frontier Airlines
21:58IAH
00:49ORD
DirectUSD 113VIEW DEAL
29 Jul
Frontier Airlines
21:58IAH
00:49ORD
DirectUSD 73VIEW DEAL
26 Aug
Frontier Airlines
12:53IAH
15:59ORD
DirectUSD 72VIEW DEAL
27 Aug
Frontier Airlines
21:58IAH
00:49ORD
DirectUSD 71VIEW DEAL
8 Sept
Frontier Airlines
12:53IAH
15:59ORD
DirectUSD 60VIEW DEAL
15 Sept
Frontier Airlines
18:42IAH
21:34ORD
DirectUSD 45VIEW DEAL
12 Oct
Spirit Airlines
09:59IAH
12:37ORD
DirectUSD 135VIEW DEAL

Houston to Chicago monthly flight fare trend

Jul
from USD 73
Aug
from USD 71
Sep
from USD 45
Oct
from USD 87
Nov
from USD 129
Dec
No flights

Airport Details

Origin

Houston

George Bush Intercontinental Houston Airport (IAH)

Houston, IAH
Zone

Chicago

Elev

97 ft

Destination

Chicago

Chicago O'Hare International Airport (ORD)

Chicago, ORD
Zone

Chicago

Elev

680 ft

Flights from Houston

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