Route Price Intelligence
Cheap Flights From St. Louis to Houston
Live pricing benchmarks, monthly patterns, and historical lows for this route.
This Southwest nonstop from STL to Houston is $198, down from the usual $321, a 38% discount. Houston's museum district and food scene make it worth more than a layover, and this fare is open for trips through the rest of the year. Nonstop and Southwest's no change fees make this an easy add to the calendar.
✓ 11 date combinations found at this price
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Best Time to Fly from St. Louis to Houston
The cheapest time to fly from St. Louis to Houston is typically October, when fares average around $217. The most expensive month tends to be July at around $817. For the best deals, consider flying in October, September, August.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route