Cheap Flights from Chicago, IL to Houston, TX from $45
Return flight: Houston – Chicago
On Cheapflightsplus.com you will find 36 direct and 378 connecting flights from Chicago to Houston. You can compare airfare deals from 9 airlines and multiple travel sites from $45, book and save on cheap plane tickets and last minute offers. Also check out CHI-HOU flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Chicago to Houston Flight Deals
To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights».
To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight.
Cheapest flights in November: $45 (one-way), $77 (round-trip).
Direct flights
Check prices for return flight
Best Flights from Chicago to Houston Today
Take a look at the list of non stop flights and flights with layovers from Chicago to Houston with the lowest price of $45. The fastest direct flight takes 2h 43m and the fastest connecting – 4h 24m.
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $45 | 16:30 Chicago O'Hare International | 19:13 Houston George Bush | 2h 43m | Spirit Airlines | NK1339 |
| from $45 | 20:53 Chicago O'Hare International | 23:40 Houston George Bush | 2h 47m | Spirit Airlines | NK1150 |
| from $49 | 12:45 Chicago O'Hare International | 15:29 Houston George Bush | 2h 44m | Spirit Airlines | NK2576 |
| from $49 | 21:14 Chicago O'Hare International | 23:59 Houston George Bush | 2h 45m | Spirit Airlines | NK2274 |
| from $49 | 21:40 Chicago O'Hare International | 00:29+1 день Houston George Bush | 2h 49m | Spirit Airlines | NK1180 |
| from $51 | 06:30 Chicago O'Hare International | 09:20 Houston George Bush | 2h 50m | Frontier Airlines | F93135 |
| from $54 | 06:00 Chicago Midway | 08:49 Houston George Bush | 2h 49m | Frontier Airlines | F93281 |
| from $86 | 06:00 Chicago O'Hare International | 08:50 Houston George Bush | 2h 50m | United Airlines | UA256 |
| from $108 | 07:10 Chicago O'Hare International | 10:04 Houston George Bush | 2h 54m | United Airlines | UA2105 |
| from $141 | 19:35 Chicago O'Hare International | 22:24 Houston George Bush | 2h 49m | United Airlines | UA2620 |
| from $182 | 16:04 Chicago O'Hare International | 19:02 Houston George Bush | 2h 58m | United Airlines | UA1079 |
| from $57 | 15:01 Chicago O'Hare International | 19:34 Houston George Bush | 4h 33m layover 0h 40m - New Orleans | Spirit Airlines | NK2430 NK2066 |
| from $67 | 21:02 Chicago O'Hare International | 05:31+1 день Houston George Bush | 8h 29m layover 1h 31m - Las Vegas | Spirit Airlines | NK2179 NK2378 |
| from $68 | 22:02 Chicago O'Hare International | 16:13+1 день Houston George Bush | 18h 11m layover 10h 45m - Las Vegas | Frontier Airlines | F92145 F91966 |
| from $69 | 08:35 Chicago Midway | 15:43 Houston George Bush | 7h 8m layover 1h 32m - Orlando | Frontier Airlines | F91458 F93469 |
| from $71 | 10:43 Chicago O'Hare International | 08:42+1 день Houston George Bush | 21h 59m layover 17h 48m - Atlanta | Spirit Airlines | NK2708 NK2574 |
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 02, 2025
Flight Schedule Chicago (Illinois) to Houston (Texas)
Full flight schedule will help you in detecting at what time planes fly from Chicago to Houston. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
| Departure | Arrival | Flight Details | Flight Duration | Price |
|---|---|---|---|---|
|
06:00 — 08:49
|
06:00 — 08:49
F93281
Frontier Airlines
Chicago — Houston
|
2h 49m |
Find flight
from$54 |
|
|
06:00 — 08:50
|
06:00 — 08:50
UA256
United Airlines
Chicago — Houston
|
2h 50m |
Find flight
from$86 |
|
|
06:00 — 08:50
|
06:00 — 08:50
UA1895
United Airlines
Chicago — Houston
|
2h 50m |
Find flight
from$87 |
|
|
06:00 — 08:50
|
06:00 — 08:50
UA468
United Airlines
Chicago — Houston
|
2h 50m |
Find flight
from$87 |
|
|
06:30 — 09:20
|
06:30 — 09:20
F93135
Frontier Airlines
Chicago — Houston
|
2h 50m |
Find flight
from$51 |
|
|
07:00 — 09:51
|
07:00 — 09:51
UA1397
United Airlines
Chicago — Houston
|
2h 51m |
Find flight
from$87 |
|
|
07:10 — 10:04
|
07:10 — 10:04
UA365
United Airlines
Chicago — Houston
|
2h 54m |
Find flight
from$86 |
|
|
07:10 — 10:04
|
07:10 — 10:04
UA2105
United Airlines
Chicago — Houston
|
2h 54m |
Find flight
from$108 |
|
|
08:45 — 11:39
|
08:45 — 11:39
UA1945
United Airlines
Chicago — Houston
|
2h 54m |
Find flight
from$87 |
|
|
08:47 — 11:41
|
08:47 — 11:41
UA2225
United Airlines
Chicago — Houston
|
2h 54m |
Find flight
from$86 |
|
|
09:21 — 12:15
|
09:21 — 12:15
UA1971
United Airlines
Chicago — Houston
|
2h 54m |
Find flight
from$114 |
|
|
09:46 — 12:40
|
09:46 — 12:40
UA2099
United Airlines
Chicago — Houston
|
2h 54m |
Find flight
from$87 |
|
|
10:35 — 13:24
|
10:35 — 13:24
UA2483
United Airlines
Chicago — Houston
|
2h 49m |
Find flight
from$87 |
|
|
12:45 — 15:29
|
12:45 — 15:29
NK2576
Spirit Airlines
Chicago — Houston
|
2h 44m |
Find flight
from$49 |
|
|
12:45 — 15:37
|
12:45 — 15:37
UA2657
United Airlines
Chicago — Houston
|
2h 52m |
Find flight
from$86 |
|
|
14:20 — 17:16
|
14:20 — 17:16
UA2621
United Airlines
Chicago — Houston
|
2h 56m |
Find flight
from$86 |
|
|
15:58 — 18:53
|
15:58 — 18:53
UA592
United Airlines
Chicago — Houston
|
2h 55m |
Find flight
from$86 |
|
|
15:58 — 18:53
|
15:58 — 18:53
UA1314
United Airlines
Chicago — Houston
|
2h 55m |
Find flight
from$87 |
|
|
16:04 — 19:02
|
16:04 — 19:02
UA1079
United Airlines
Chicago — Houston
|
2h 58m |
Find flight
from$182 |
|
|
16:07 — 19:05
|
16:07 — 19:05
UA1124
United Airlines
Chicago — Houston
|
2h 58m |
Find flight
from$108 |
|
|
16:30 — 19:13
|
16:30 — 19:13
NK1339
Spirit Airlines
Chicago — Houston
|
2h 43m |
Find flight
from$45 |
|
|
16:50 — 19:45
|
16:50 — 19:45
UA1437
United Airlines
Chicago — Houston
|
2h 55m |
Find flight
from$86 |
|
|
17:50 — 20:45
|
17:50 — 20:45
UA1382
United Airlines
Chicago — Houston
|
2h 55m |
Find flight
from$86 |
|
|
17:50 — 20:45
|
17:50 — 20:45
UA462
United Airlines
Chicago — Houston
|
2h 55m |
Find flight
from$87 |
|
|
18:25 — 21:21
|
18:25 — 21:21
UA2202
United Airlines
Chicago — Houston
|
2h 56m |
Find flight
from$87 |
|
|
18:25 — 21:21
|
18:25 — 21:21
UA1144
United Airlines
Chicago — Houston
|
2h 56m |
Find flight
from$143 |
|
|
19:35 — 22:24
|
19:35 — 22:24
UA2426
United Airlines
Chicago — Houston
|
2h 49m |
Find flight
from$87 |
|
|
19:35 — 22:24
|
19:35 — 22:24
UA2620
United Airlines
Chicago — Houston
|
2h 49m |
Find flight
from$141 |
|
|
20:53 — 23:40
|
20:53 — 23:40
NK1150
Spirit Airlines
Chicago — Houston
|
2h 47m |
Find flight
from$45 |
|
|
21:05 — 23:59
|
21:05 — 23:59
UA1032
United Airlines
Chicago — Houston
|
2h 54m |
Find flight
from$86 |
|
|
21:05 — 23:59
|
21:05 — 23:59
UA2432
United Airlines
Chicago — Houston
|
2h 54m |
Find flight
from$87 |
|
|
21:07 — 23:57
|
21:07 — 23:57
UA2665
United Airlines
Chicago — Houston
|
2h 50m |
Find flight
from$87 |
|
|
21:14 — 23:59
|
21:14 — 23:59
NK2274
Spirit Airlines
Chicago — Houston
|
2h 45m |
Find flight
from$49 |
|
|
21:40 — 00:29
+1 day
|
21:40 — 00:29
NK1180
Spirit Airlines
Chicago — Houston
|
2h 49m |
Find flight
from$49 |
|
|
21:40 — 00:30
+1 day
|
21:40 — 00:30
UA1115
United Airlines
Chicago — Houston
|
2h 50m |
Find flight
from$114 |
|
|
21:50 — 00:40
+1 day
|
21:50 — 00:40
UA1291
United Airlines
Chicago — Houston
|
2h 50m |
Find flight
from$87 |
|
|
05:05 — 16:49
|
05:05 — 09:10
NK19
Spirit Airlines
Chicago — Miami
5h 56m stop
15:06 — 16:49
NK909
Spirit Airlines
Miami — Houston
|
11h 44m including layover |
Find flight
from$73 |
|
|
05:05 — 13:50
|
05:05 — 09:06
NK2
Spirit Airlines
Chicago — Miami
2h 50m stop
11:56 — 13:50
NK2678
Spirit Airlines
Miami — Houston
|
8h 45m including layover |
Find flight
from$74 |
|
|
07:15 — 20:20
|
07:15 — 11:03
NK3200
Spirit Airlines
Chicago — Orlando
7h 44m stop
18:47 — 20:20
NK1376
Spirit Airlines
Orlando — Houston
|
13h 5m including layover |
Find flight
from$73 |
|
|
08:00 — 16:49
|
08:00 — 12:07
NK1986
Spirit Airlines
Chicago — Miami
2h 59m stop
15:06 — 16:49
NK909
Spirit Airlines
Miami — Houston
|
8h 49m including layover |
Find flight
from$74 |
|
|
08:35 — 15:43
|
08:35 — 12:20
F91458
Frontier Airlines
Chicago — Orlando
1h 32m stop
13:52 — 15:43
F93469
Frontier Airlines
Orlando — Houston
|
7h 8m including layover |
Find flight
from$69 |
|
|
10:43 — 08:42
+1 day
|
10:00 — 13:06
NK2708
Spirit Airlines
Chicago — Atlanta
17h 48m stop
07:05 — 08:15
NK2574
Spirit Airlines
Atlanta — Houston
|
21h 59m including layover |
Find flight
from$71 |
|
|
10:43 — 18:11
|
10:00 — 13:06
NK2708
Spirit Airlines
Chicago — Atlanta
3h 10m stop
17:44 — 18:59
NK2173
Spirit Airlines
Atlanta — Houston
|
7h 28m including layover |
Find flight
from$72 |
|
|
11:00 — 19:10
|
11:00 — 12:56
NK183
Spirit Airlines
Chicago — Las Vegas
1h 7m stop
14:03 — 19:10
NK880
Spirit Airlines
Las Vegas — Houston
|
8h 10m including layover |
Find flight
from$74 |
|
|
11:00 — 00:07
+1 day
|
11:00 — 12:56
NK183
Spirit Airlines
Chicago — Las Vegas
6h 1m stop
18:57 — 00:07
NK2394
Spirit Airlines
Las Vegas — Houston
|
13h 7m including layover |
Find flight
from$74 |
|
|
13:03 — 20:20
|
13:03 — 16:51
NK1108
Spirit Airlines
Chicago — Orlando
1h 56m stop
18:47 — 20:20
NK1376
Spirit Airlines
Orlando — Houston
|
7h 17m including layover |
Find flight
from$73 |
|
|
13:03 — 00:15
+1 day
|
13:03 — 16:51
NK1108
Spirit Airlines
Chicago — Orlando
5h 54m stop
22:45 — 00:15
NK1576
Spirit Airlines
Orlando — Houston
|
11h 12m including layover |
Find flight
from$73 |
|
|
15:01 — 19:34
|
15:01 — 17:31
NK2430
Spirit Airlines
Chicago — New Orleans
40m stop
18:11 — 19:34
NK2066
Spirit Airlines
New Orleans — Houston
|
4h 33m including layover |
Find flight
from$57 |
|
|
15:21 — 00:07
+1 day
|
15:21 — 17:16
NK188
Spirit Airlines
Chicago — Las Vegas
1h 41m stop
18:57 — 00:07
NK2394
Spirit Airlines
Las Vegas — Houston
|
8h 46m including layover |
Find flight
from$73 |
|
|
16:26 — 23:10
|
16:26 — 18:47
NK2168
Spirit Airlines
Chicago — New Orleans
3h 3m stop
21:50 — 23:10
NK1428
Spirit Airlines
New Orleans — Houston
|
6h 44m including layover |
Find flight
from$74 |
|
|
18:01 — 23:41
|
18:01 — 21:07
NK1115
Spirit Airlines
Chicago — Atlanta
1h 16m stop
22:23 — 23:41
NK1465
Spirit Airlines
Atlanta — Houston
|
5h 40m including layover |
Find flight
from$74 |
|
|
19:39 — 07:48
+1 day
|
19:35 — 23:45
NK1986
Spirit Airlines
Chicago — Miami
6h 9m stop
06:05 — 07:53
NK2082
Spirit Airlines
Miami — Houston
|
12h 9m including layover |
Find flight
from$74 |
|
|
22:02 — 16:13
+1 day
|
18:36 — 21:00
F92145
Frontier Airlines
Chicago — Las Vegas
10h 45m stop
13:06 — 18:20
F91966
Frontier Airlines
Las Vegas — Houston
|
18h 11m including layover |
Find flight
from$68 |
|
*Departure and arrival times - local. Updated on June 2, 2025
Flight Information
Below we will explain in detail what the flights cost on the destination from Chicago to Houston depends on and how to choose the most interesting flight option for you.
Distance between Chicago and Houston is 1524 miles. Time difference between the cities is 0h. Airplanes depart 05:00 to 22:15 from 7 Chicago airports and arrive 05:00 to 22:15 to 15 Houston airports. Average flight time is 2h 53m.
- The fastest flight 2h 43m
- Average flight time 2h 53m
- The earliest flight 05:00
- The latest flight 22:15
- Distance 947 ml
The cheapest months to travel to Houston are october (from 61 $), may (from 65 $), july (from 66 $).
The most expensive months are november (from 2 374 $), february (from 119 $), december (from 104 $).
What is the lowest airfare Chicago to Houston?
The cheapest plane ticket found by our users is $45. This airfare is for economy class on one-way NK1339 flight by Spirit Airlines for October 7, 2025 which leaves O'Hare International in Chicago at 16:30 am and arrives at Houston George Bush at 19:13.
Economy class
$45
Business class
?
First class
?
Popular Airlines on the Route
The flight Chicago — Houston is served by 9 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by United Airlines - 142 departures per week at the price of from $ 86 . And the most expensive tickets are offered by Finnair airline - from $ 2734.
Direct flights
There are 36 nonstop flights on the route. The fastest direct flight is NK1339 by Spirit Airlines takes 2h 43m and the cheapest is NK1339 by Spirit Airlines for $45.
- from $86Find
- from $45Find
- F9 - Frontier Airlinesfrom $51Find
See more direct flights
Connecting Flights
There are 378 flights with layovers on the route. The fastest connecting flight is UA561 by United Airlines takes 4h 24m and the cheapest is NK1339 by Spirit Airlines for $57.
- from $138Find
- from $57Find
- AS - Alaska Airlinesfrom $165Find
- F9 - Frontier Airlinesfrom $68Find
- SY - Sun Country Airlinesfrom $120Find
- TK - Turkish Airlinesfrom $1665Find
- AY - Finnairfrom $2734Find
- HA - Hawaiian Airlinesfrom $162Find
- G4 - Allegiant Airfrom $75Find
See more connecting flights
Airports
You can fly from Chicago to Houston from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).
Chicago airports
- O'Hare International-ORDfrom $45Find
- Midway-MDWfrom $54Find
- Dupage County-DPAFind
- Chicago FSS-CHIFind
- Merrill C Meigs (closed)-CGXFind
- Pal-Waukee-PWKFind
- Chicago NAS-NOHFind
Houston airports
- Ellington Field-EFDFind
- West Houston-IWSFind
- Hobby-HOUFind
- Park Ten Heliport-JPTFind
- Andrau Airpark-AAPFind
- George Bush-IAHFind
- Greenway Plaza H/P-JGPFind
- David Wayne Hooks-DWHFind
- Transco Twr Galleria-JGQFind
- Westchase Hilton H/P-JWHFind
- Spaceland-SPXFind
- Woodlawns-JWLFind
- Marriot Astrodome Heliport-JMAFind
- Central Bus. District-JDXFind
- Houston Municipal-SGRFind
Airplanes
There are flights to Houston from Chicago by 9 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Chicago
You may also consider searching for discounted plane tickets to some other popular places from Chicago within United States.
- from $508Find
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Top International Destinations from Chicago
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
- from $60Find
- from $72Find
- from $73Find
- from $61Find
- from $79Find
- from $73Find
- from $76Find
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- from $59Find
- from $74Find
How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
To find a plane ticket, please select dates.