$62 Find Cheap Flights from St. Louis to Houston - Compare and Save

These are the earliest and latest flight times available from St. Louis to Houston:

• Earliest: departs at 5:00 am and lands at 7:17 am
• Latest: departs at 10:50 pm and lands at 1:07 am.

The flight takes about 2h 17m.

Two cabin classes are available on flights from St. Louis to Houston:

• Economy Class
• First Class

A nonstop flight from St. Louis to Houston takes 2h 17m, covering 683 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from St. Louis to Houston range from $316 to $495, with an average of $392 over the past 12 months. Anything below $316 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 59% above the $392 route average. Book 10 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $193 round-trip via Denver Intl (DEN), compared to $400 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Morning is the busiest departure period on St. Louis to Houston flights, with 63% of flights leaving in that window. Evening departures account for 25%, afternoon flights for 12%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $234 to $970. That means the highest observed fare was about 4x higher than the lowest one.

JetBlue is the only airline on the St. Louis to Houston route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from St. Louis to Houston are currently lower than usual. Average one-way flight prices are about $134, which is 48% below the typical average for this route.

Since Houston is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Houston George Bush Intcntl Airport (IAH) — daily rates averaging $40:

• ACO Rent A Car
• Easirent
• America Car Rental
• Thrifty
• Hertz

Near Houston Hobby Airport (HOU) — daily rates averaging $69:

• Thrifty
• Dollar
• Alamo
• Hertz
• Ace

Flights from St. Louis to Houston usually depart from Lambert-St Louis (STL) and may arrive at several airports in Houston area, including Houston Hobby (HOU) and Houston George Bush Intcntl (IAH).

One-stop flights from St. Louis to Houston most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 53% of one-stop connections
• Dallas/Fort Worth (DFW) - 23% of one-stop connections
• Denver Intl (DEN) - 10% of one-stop connections
• Orlando (MCO) - 10% of one-stop connections

Yes. Flexible dates can save you up to 22% on flights from St. Louis to Houston. Tuesday is the cheapest departure day at $366 round-trip on average, while Monday is the most expensive at $469, a difference of $103.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between St. Louis and Houston. The airlines offering nonstop flights on this route include:

• United Airlines
• Southwest

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 4h 22m, compared with 5h 17m via Chicago O'Hare Intl (ORD) and 8h 12m via Atlanta Hartsfield-Jackson (ATL).

Some of the most popular sights in Houston are George R. Brown Convention Center, Daikin Park and Houston Stadium. These are among the most viewed places in Houston on KAYAK.

Among airlines operating St. Louis to Houston flights:

• United Airlines: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• Southwest: a cabin bag in Economy Class class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.