Spirit's Big Front Seats offer wider seats and more legroom.
Spirit's Wi-Fi plans allow streaming; book ahead for savings.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $97 (Super.com) |
One-way from | $55 (Priceline) |
Popular in | July |
Cheapest in | September |
Average price | $208 |
Good round-trip deal | $186 or less |
Good one-way deal | $103 or less |
Fly from
Fly to
Route
Depart
Return
Price
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Sat 12/6
4:50 pm-10:24 pm
1 stop5h 34m
Chicago O'Hare Intl
Sun 12/7
3:47 pm-6:56 pm
Nonstop3h 09m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 3/3
11:49 am-2:28 pm
Nonstop2h 39m
Chicago O'Hare Intl
Wed 3/4
3:33 pm-6:33 pm
Nonstop3h 00m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 3/10
11:49 am-2:28 pm
Nonstop2h 39m
Chicago O'Hare Intl
Wed 3/11
3:33 pm-6:33 pm
Nonstop3h 00m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 3/3
9:54 am-4:53 pm
1 stop6h 59m
Chicago O'Hare Intl
Wed 3/4
10:35 am-6:19 pm
1 stop7h 44m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 12/25
7:00 am-12:12 pm
1 stop5h 12m
Chicago O'Hare Intl
Thu 1/1
5:30 am-11:11 am
1 stop5h 41m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 1/27
5:15 am-1:18 pm
1 stop8h 03m
Chicago O'Hare Intl
Tue 2/3
5:33 am-11:33 am
1 stop6h 00m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Sat 12/6
6:40 am-11:43 am
1 stop5h 03m
Chicago O'Hare Intl
Sat 12/6
4:20 pm-11:59 pm
1 stop7h 39m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 12/23
3:09 pm-10:24 pm
1 stop7h 15m
Chicago O'Hare Intl
Sun 12/28
9:09 pm-11:59 pm
Nonstop2h 50m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Sun 2/15
8:23 am-11:10 am
Nonstop2h 47m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Fri 2/13
5:00 am-7:46 am
Nonstop2h 46m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport is 42 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport (average of $60). Flying from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $128). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 74% versus a flight at noon.
Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 12% of weekly flights between Houston and Chicago have experienced delays in the past year, with the average delay time being 166 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, CommutAir have had the lowest number of delays on this route, with no flights being classified as delayed.
Food
Entertainment
Boarding
Crew
Comfort
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
Food
Entertainment
Boarding
Crew
Comfort
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
Food
Entertainment
Boarding
Crew
Comfort
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
Food
Entertainment
Boarding
Crew
Comfort
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
Food
Entertainment
Boarding
Crew
Comfort
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$179 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$84 | Average$168 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$160 | Average$268 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$177 | Average$354 | FlexibilityNo cancel fee | On-time69% |