Cheapest flight deals Houston -> Chicago

Houston George Bush Intercntl. ⇄ Chicago Midway
Frontier Airlines
IAH ➔ MDW
18 May 2024
direct
Frontier Airlines
ORD ➔ IAH
22 May 2024
direct
CHI
Houston George Bush Intercntl. ⇄ Chicago Midway
Frontier Airlines
IAH ➔ MDW
04 June 2024
direct
Spirit Airlines
ORD ➔ IAH
05 June 2024
direct
CHI
Houston George Bush Intercntl. ⇄ Chicago O'Hare International
Frontier Airlines
IAH ➔ ORD
29 June 2024
direct
Frontier Airlines
ORD ➔ IAH
01 July 2024
direct
CHI
Houston George Bush Intercntl. ⇄ Chicago O'Hare International
Spirit Airlines
IAH ➔ ORD
12 September 2024
direct
Spirit Airlines
ORD ➔ IAH
16 September 2024
direct
CHI
Houston George Bush Intercntl. ⇄ Chicago O'Hare International
Spirit Airlines
IAH ➔ ORD
26 August 2024
direct
Spirit Airlines
ORD ➔ IAH
28 August 2024
direct
CHI
Houston George Bush Intercntl. ⇄ Chicago O'Hare International
Frontier Airlines
IAH ➔ ORD
29 May 2024
direct
Frontier Airlines
MDW ➔ IAH
02 June 2024
direct
CHI
Houston George Bush Intercntl. ⇄ Chicago O'Hare International
Frontier Airlines
IAH ➔ ORD
03 July 2024
direct
Spirit Airlines
ORD ➔ IAH
17 July 2024
direct
CHI
Houston George Bush Intercntl. ⇄ Chicago O'Hare International
United
IAH ➔ ORD
31 May 2024
direct
United
ORD ➔ IAH
01 July 2024
direct
CHI
Houston George Bush Intercntl. ⇄ Chicago O'Hare International
Spirit Airlines
IAH ➔ ORD
31 July 2024
direct
Spirit Airlines
ORD ➔ IAH
06 August 2024
direct
CHI
Houston George Bush Intercntl. ⇄ Chicago O'Hare International
Spirit Airlines
IAH ➔ ORD
26 October 2024
direct
Spirit Airlines
ORD ➔ IAH
29 October 2024
direct
CHI
Houston George Bush Intercntl. ⇄ Chicago O'Hare International
Spirit Airlines
IAH ➔ ORD
31 August 2024
direct
Spirit Airlines
ORD ➔ IAH
02 September 2024
direct
CHI
Houston George Bush Intercntl. ⇄ Chicago O'Hare International
Spirit Airlines
IAH ➔ ORD
30 April 2024
direct
Spirit Airlines
ORD ➔ IAH
06 May 2024
direct
CHI
Houston George Bush Intercntl. ⇄ Chicago O'Hare International
United
IAH ➔ ORD
24 October 2024
direct
United
ORD ➔ IAH
25 November 2024
direct
CHI
Houston George Bush Intercntl. ⇄ Chicago O'Hare International
United
IAH ➔ ORD
11 December 2024
direct
United
ORD ➔ IAH
15 December 2024
direct
CHI
Houston George Bush Intercntl. ⇄ Chicago O'Hare International
Spirit Airlines
IAH ➔ ORD
04 June 2024
stops
Spirit Airlines
ORD ➔ IAH
05 June 2024
stops
CHI
Houston George Bush Intercntl. ⇄ Chicago Midway
Frontier Airlines
IAH ➔ MDW
30 April 2024
stops
Spirit Airlines
ORD ➔ IAH
04 May 2024
stops
CHI
Houston Hobby ⇄ Chicago O'Hare International
Delta
HOU ➔ ORD
19 December 2024
stops
Delta
ORD ➔ HOU
05 January 2025
stops
CHI
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