Cheap flights from Houston to St. Louis

In general, October is the cheapest month to fly from Houston to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $365. The month of May is another great option to travel to St. Louis, with average flight prices from Houston averaging around $376.

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $331. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $440. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

Flying to St. Louis from Houston in the morning is the least expensive time of day to depart. momondo users have found prices as low as $419 when looking at flights departing in the morning. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $556 per ticket.

Fly from Houston George Bush Intcntl to Lambert-St Louis for the best Houston - Lambert-St Louis flight prices

You are more likely to see cheaper flights to St. Louis from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $395 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Houston for as low as $340 on momondo.

There are 4 cabin classes available to choose from on Houston to St. Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.