
Round-trip from | $108 (Kiwi.com) |
|---|---|
One-way from | $41 (Frontier) |
Popular in | March |
Cheapest in | September |
Average price | $293 |
Good round-trip deal | $222 or less |
Good one-way deal | $68 or less |
Fly from
Fly to
Route
Depart
Return
St. LouisDallas
STL - DFW
STLDFW
Lambert-St Louis
Thu 7/16
3:41 pm-5:43 pm
Nonstop2h 02m
Dallas/Fort Worth
Sun 7/19
6:19 am-8:57 am
1 stop26h 38m
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Tue 9/22
8:05 am-3:56 pm
1 stop7h 51m
Houston George Bush Intcntl
Wed 9/23
5:30 am-1:04 pm
1 stop7h 34m
ChicagoDallas
MDW - DFW
MDWDFW
Chicago Midway
Thu 8/6
9:24 am-2:29 pm
1 stop5h 05m
Dallas/Fort Worth
Tue 8/11
5:45 am-6:01 pm
2 stops12h 16m
ChicagoHouston
ORD - HOU
ORDHOU
Chicago O'Hare Intl
Sat 8/22
3:25 pm-9:23 pm
1 stop5h 58m
Houston Hobby
Tue 8/25
1:13 pm-8:55 pm
1 stop7h 42m
St. LouisDallas
STL - DFW
STLDFW
Lambert-St Louis
Thu 9/17
10:00 am-5:20 pm
1 stop7h 20m
Dallas/Fort Worth
Mon 9/21
6:20 pm-11:20 pm
1 stop5h 00m
ChicagoHouston
MDW - IAH
MDWIAH
Chicago Midway
Sat 8/22
6:05 am-11:15 am
1 stop5h 10m
Houston George Bush Intcntl
Sat 8/29
5:09 pm-10:36 pm
1 stop5h 27m
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Thu 11/5
1:15 pm-9:10 pm
1 stop7h 55m
Houston George Bush Intcntl
Sat 11/14
11:50 am-6:32 pm
1 stop6h 42m
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Thu 8/6
1:59 pm-10:19 pm
1 stop8h 20m
Houston George Bush Intcntl
Mon 8/10
11:28 am-4:17 pm
1 stop4h 49m
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Fri 9/11
5:20 pm-10:49 pm
1 stop5h 29m
Houston George Bush Intcntl
Tue 9/15
9:45 am-4:48 pm
1 stop7h 03m
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Sat 8/22
2:30 pm-11:52 pm
2 stops9h 22m
Houston George Bush Intcntl
Sat 8/29
2:37 pm-8:55 pm
1 stop6h 18m
Currently, August is the cheapest month in which you can book a flight from Illinois to Texas (average of $201). Flying from Illinois to Texas in March is currently the most expensive (average of $365). 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 Illinois to Texas, 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 9% versus a flight in the morning.
The most flights from USIL to USTX are scheduled on a Monday (84 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (58 on average).
To ensure you get the cheapest price possible for a flight from Illinois to Texas, you should look to book at least 62 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.
Travelers seeking maximum savings on their Illinois to Texas flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Entertainment
Food
Crew
Comfort
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Crew
Comfort
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Crew
Comfort
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Crew
Comfort
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Crew
Comfort
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Crew
Comfort
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$202 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$112 | Average$298 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$137 | Average$336 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$137 | Average$380 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$160 | Average$413 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$164 | Average$183 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$190 | Average$283 | FlexibilityNo cancel fee | On-time62% |