Cheap flights from Saint Louis to Houston
Compare hundreds of airlines Saint Louis–Houston
About this route
Compare flights from Saint Louis to Houston, a about 1,094 km route (around 1h 52m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as United Airlines, Southwest Airlines operate this route.
Prices by date
Airlines on this route
FAQ
What's the cheapest month to fly Saint Louis to Houston?
It's usually 2026-07, from 222 USD. Use the price calendar to compare other dates.
How long is the flight from Saint Louis to Houston?
A nonstop flight takes about 1h 52m and covers around 1,094 km. Connecting itineraries take longer.
Are there direct flights from Saint Louis to Houston?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Saint Louis to Houston?
United Airlines, Southwest Airlines operate this route, among others. Compare them all in the results.
When should I book Saint Louis–Houston flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.