
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $75 (CheapOair) |
One-way from | $48 (American Airlines) |
Popular in | February |
Cheapest in | September |
Average price | $266 |
Good round-trip deal | $94 or less |
Good one-way deal | $105 or less |
Fly from
Fly to
Route
Depart
Return
Price
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 3/19
4:51 pm-7:45 pm
Nonstop2h 54m
Chicago O'Hare Intl
Mon 3/23
5:11 am-8:27 am
Nonstop3h 16m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Fri 4/24
5:05 am-2:20 pm
1 stop9h 15m
Chicago O'Hare Intl
Tue 4/28
8:25 am-11:32 am
Nonstop3h 07m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Sat 4/25
11:32 am-2:22 pm
Nonstop2h 50m
Chicago O'Hare Intl
Wed 4/29
8:25 am-11:32 am
Nonstop3h 07m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 4/14
11:19 am-7:51 pm
1 stop8h 32m
Chicago O'Hare Intl
Sat 4/18
7:55 am-10:48 am
Nonstop2h 53m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 4/9
6:38 pm-9:28 pm
Nonstop2h 50m
Chicago O'Hare Intl
Mon 4/13
7:30 am-10:37 am
Nonstop3h 07m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 3/18
6:14 am-8:50 am
Nonstop2h 36m
Chicago O'Hare Intl
Tue 3/24
6:01 pm-10:24 am
2 stops16h 23m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Sat 6/13
8:00 pm-11:00 pm
Nonstop3h 00m
Chicago O'Hare Intl
Sat 8/8
3:39 pm-6:55 pm
Nonstop3h 16m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Fri 4/24
5:05 am-2:20 pm
1 stop9h 15m
Chicago O'Hare Intl
Tue 4/28
5:09 pm-6:01 am
1 stop12h 52m
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Wed 3/4
6:15 am-7:07 pm
1 stop12h 52m
Chicago Midway
Mon 3/9
10:00 am-12:58 pm
Nonstop2h 58m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Sat 3/7
6:50 pm-8:39 am
1 stop13h 49m
Chicago O'Hare Intl
Sun 3/8
10:44 am-10:41 pm
1 stop11h 57m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Chicago, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Chicago (average of $60). Flying from Houston George Bush Intcntl Airport to Chicago in June is currently the most expensive (average of $90). 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, 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 58% versus a flight at noon.
Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Chicago flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from IAH to CHI are scheduled on a Monday (51 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (26 on average).
About 13% of weekly flights between Houston and Chicago have experienced delays in the past year, with the average delay time being 157 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.
Thursday 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, United Airlines have had the lowest number of delays on this route, with just 10% of flights being delayed.
Boarding
Food
Entertainment
Overall
Crew
Comfort
Reviews
Sebrena,Oct 2025
IAH - RSW
Boarding
Food
Entertainment
Overall
Crew
Comfort
Reviews
Sebrena,Oct 2025
IAH - RSW
Boarding
Food
Entertainment
Overall
Crew
Comfort
Reviews
Sebrena,Oct 2025
IAH - RSW
Boarding
Food
Entertainment
Overall
Crew
Comfort
Reviews
Sebrena,Oct 2025
IAH - RSW
Boarding
Food
Entertainment
Overall
Crew
Comfort
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$64 | Average$179 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$72 | Average$159 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$164 | Average$271 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$175 | Average$353 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$216 | Average$331 | FlexibilityNo cancel fee | On-timeN/A |