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 Sept
Frontier Airlines
15:25IAH
23:08ORD
1 StopUSD 159VIEW DEAL
4 Sept
Frontier Airlines
21:58IAH
00:49ORD
DirectUSD 100VIEW DEAL
4 Sept
Frontier Airlines
21:54IAH
13:36ORD
1 StopUSD 165VIEW DEAL
5 Sept
Frontier Airlines
12:53IAH
15:59ORD
DirectUSD 60VIEW DEAL
6 Sept
Frontier Airlines
21:58IAH
00:49ORD
DirectUSD 96VIEW DEAL
7 Sept
Frontier Airlines
21:58IAH
00:49ORD
DirectUSD 92VIEW DEAL
8 Sept
Frontier Airlines
12:53IAH
15:59ORD
DirectUSD 141VIEW DEAL
12 Sept
Frontier Airlines
11:25IAH
14:17ORD
DirectUSD 109VIEW DEAL
15 Sept
Frontier Airlines
18:42IAH
21:34ORD
DirectUSD 45VIEW DEAL
15 Sept
Frontier Airlines
11:25IAH
14:17ORD
DirectUSD 51VIEW DEAL

Houston to Chicago monthly flight fare trend

Sep
from USD 45
Oct
from USD 58
Nov
from USD 129
Dec
from USD 155
Jan
No flights
Feb
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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