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

3 Aug
Frontier Airlines
21:58IAH
00:49ORD
DirectUSD 145VIEW DEAL
4 Aug
Frontier Airlines
21:58IAH
00:49ORD
DirectUSD 125VIEW DEAL
5 Aug
Frontier Airlines
21:42IAH
00:33ORD
DirectUSD 139VIEW DEAL
16 Aug
Frontier Airlines
21:42IAH
00:33ORD
DirectUSD 138VIEW DEAL
17 Aug
Frontier Airlines
21:42IAH
00:33ORD
DirectUSD 50VIEW DEAL
26 Aug
Frontier Airlines
12:53IAH
15:59ORD
DirectUSD 72VIEW DEAL
27 Aug
Frontier Airlines
21:58IAH
00:49ORD
DirectUSD 71VIEW DEAL
28 Aug
Frontier Airlines
21:58IAH
00:49ORD
DirectUSD 98VIEW DEAL
8 Sept
Frontier Airlines
12:53IAH
15:59ORD
DirectUSD 60VIEW DEAL
15 Sept
Frontier Airlines
18:42IAH
21:34ORD
DirectUSD 45VIEW DEAL

Houston to Chicago monthly flight fare trend

Aug
from USD 50
Sep
from USD 45
Oct
from USD 58
Nov
from USD 129
Dec
from USD 155
Jan
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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