For a quick security check, aim for off-peak times at STL, where waits average 5-10 minutes. Check real-time wait times online.

Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $273 (Southwest) |
One-way from | $137 (Southwest) |
Popular in | December |
Cheapest in | September |
Average price | $377 |
Good round-trip deal | $347 or less |
Good one-way deal | $208 or less |
Fly from
Fly to
Route
Depart
Return
Price
St. LouisHouston
STL - HOU
STLHOU
Lambert-St Louis
Tue 1/20
6:00 am-8:20 am
Nonstop2h 20m
Houston Hobby
Tue 1/27
2:35 pm-4:30 pm
Nonstop1h 55m
St. LouisHouston
STL - HOU
STLHOU
Lambert-St Louis
Wed 1/14
8:15 am-12:50 pm
1 stop4h 35m
Houston Hobby
Wed 1/14
6:35 pm-8:35 pm
Nonstop2h 00m
St. LouisHouston
STL - HOU
STLHOU
Lambert-St Louis
Mon 1/12
7:55 pm-10:10 pm
Nonstop2h 15m
Houston Hobby
Wed 1/14
2:35 pm-4:30 pm
Nonstop1h 55m
St. LouisHouston
STL - HOU
STLHOU
Lambert-St Louis
Wed 1/14
3:50 pm-8:15 pm
1 stop4h 25m
Houston Hobby
Sat 1/17
6:10 am-8:05 am
Nonstop1h 55m
St. LouisHouston
STL - HOU
STLHOU
Lambert-St Louis
Thu 1/22
11:55 am-2:20 pm
Nonstop2h 25m
Houston Hobby
Mon 1/26
5:40 am-7:35 am
Nonstop1h 55m
St. LouisHouston
STL - HOU
STLHOU
Lambert-St Louis
Thu 2/12
7:50 am-12:30 pm
1 stop4h 40m
Houston Hobby
Mon 2/16
7:50 am-9:50 am
Nonstop2h 00m
St. LouisHouston
STL - HOU
STLHOU
Lambert-St Louis
Tue 1/20
11:55 am-2:20 pm
Nonstop2h 25m
St. LouisHouston
STL - HOU
STLHOU
Lambert-St Louis
Tue 2/3
7:55 pm-10:10 pm
Nonstop2h 15m
St. LouisHouston
STL - HOU
STLHOU
Lambert-St Louis
Wed 2/4
7:55 pm-10:10 pm
Nonstop2h 15m
St. LouisHouston
STL - HOU
STLHOU
Lambert-St Louis
Wed 2/25
6:00 am-8:20 am
Nonstop2h 20m
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
The price you pay for your flight from St. Louis to Houston Hobby Airport may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, October is the cheapest month in which you can book a flight from St. Louis to Houston Hobby Airport (average of $115). Flying from St. Louis to Houston Hobby Airport in March is currently the most expensive (average of $197). 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.
A simple way to save on the total cost of your ticket is to fly from St. Louis to Houston Hobby Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight in the morning.
Travelers seeking maximum savings on their St. Louis to Houston Hobby Airport flight should consider departing on Monday 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.
Entertainment
Food
Boarding
Overall
Comfort
Crew
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Boarding
Overall
Comfort
Crew
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Boarding
Overall
Comfort
Crew
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Boarding
Overall
Comfort
Crew
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Boarding
Overall
Comfort
Crew
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$127 | Average$231 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$128 | Average$231 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$137 | Average$375 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$177 | Average$361 | FlexibilityNo cancel fee | On-time63% |