Houston to Chicago

IAHORD

Fly from Houston to Chicago starting at USD 49 with Frontier Airlines.Best fare available on Jul 25, 2026.Limited seats. Better plans. Book before it's gone.

Houston to Chicago cheapest flights this week

10 Jul
Frontier Airlines
21:58IAH
00:49ORD
DirectUSD 130VIEW DEAL
11 Jul
Frontier Airlines
21:58IAH
00:49ORD
DirectUSD 111VIEW DEAL
18 Jul
Frontier Airlines
21:58IAH
00:49ORD
DirectUSD 120VIEW DEAL
24 Jul
Frontier Airlines
21:52IAH
00:42ORD
DirectUSD 86VIEW DEAL
25 Jul
Frontier Airlines
21:52IAH
00:42ORD
DirectUSD 49VIEW 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
12 Oct
Spirit Airlines
09:59IAH
12:37ORD
DirectUSD 135VIEW DEAL
12 Oct
Frontier Airlines
18:42IAH
21:34ORD
DirectUSD 87VIEW DEAL

Houston to Chicago monthly flight fare trend

Jul
from USD 49
Aug
from USD 71
Sep
No flights
Oct
from USD 87
Nov
No flights
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

Flights from Houston to AtlantaFlights from Houston to AustinFlights from Houston to BostonFlights from Houston to CharlotteFlights from Houston to DenverFlights from Houston to DallasFlights from Houston to DetroitFlights from Houston to NewarkFlights from Houston to Fort LauderdaleFlights from Houston to Honolulu