$66 Cheap Frontier Airlines flights Houston (IAH) to Chicago (ORD)

View $66 flight on Sun, Jul 27, 2025Opens in a new window

$66 Cheap Frontier Airlines flights Houston (IAH) to Chicago (ORD)

Prices were available within the past 7 days and start at $66 for one-way flights and $131 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Frontier Airlines
Sun, Jul 27 - Thu, Aug 28
IAH
Houston
ORD
Chicago
$131
Roundtrip
Found 2 days ago
Select Frontier Airlines flight, departing Sun, Jul 27 from Houston to Chicago, returning Thu, Aug 28, priced at $131 Found 2 days ago
Frontier Airlines
Sun, Jul 13 - Thu, Jul 17
IAH
Houston
ORD
Chicago
$155
Roundtrip
Found 3 days ago
Select Frontier Airlines flight, departing Sun, Jul 13 from Houston to Chicago, returning Thu, Jul 17, priced at $155 Found 3 days ago
Frontier Airlines
Sun, Jul 27 - Thu, Aug 28
IAH
Houston
ORD
Chicago
$158
Roundtrip
Found 2 days ago
Select Frontier Airlines flight, departing Sun, Jul 27 from Houston to Chicago, returning Thu, Aug 28, priced at $158 Found 2 days ago
Frontier Airlines
Sun, Jul 27 - Thu, Aug 28
IAH
Houston
ORD
Chicago
$169
Roundtrip
Found 2 days ago
Select Frontier Airlines flight, departing Sun, Jul 27 from Houston to Chicago, returning Thu, Aug 28, priced at $169 Found 2 days ago
Frontier Airlines
Sun, Jul 13 - Sun, Jul 20
IAH
Houston
ORD
Chicago
$178
Roundtrip
Found 3 days ago
Select Frontier Airlines flight, departing Sun, Jul 13 from Houston to Chicago, returning Sun, Jul 20, priced at $178 Found 3 days ago
Frontier Airlines
Tue, Jul 8 - Wed, Jul 23
IAH
Houston
ORD
Chicago
$191
Roundtrip
Found 6 days ago
Select Frontier Airlines flight, departing Tue, Jul 8 from Houston to Chicago, returning Wed, Jul 23, priced at $191 Found 6 days ago