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

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

• Earliest: departs at 7:00 am and lands at 9:04 am
• Latest: departs at 10:35 pm and lands at 12:39 am.

The flight takes about 2h 04m.

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

• Economy Class
• First Class

A nonstop flight from Houston to St. Louis takes 2h 04m, 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 Houston to St. Louis range from $341 to $652, with an average of $441 over the past 12 months. Anything below $341 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 74% above the $441 route average. Book 18 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $214 round-trip via Orlando (MCO), compared to $459 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 Houston to St. Louis flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 33%, 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 $275 to $942. That means the highest observed fare was about 3x higher than the lowest one.

One-way fares from Houston to St. Louis are currently lower than usual. Average one-way flight prices are about $111, which is 58% below the typical average for this route.

Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates averaging $78 for economy cars. Top options include:

• Hertz
• Budget
• Alamo
• Enterprise Rent-A-Car
• Payless

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

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

• Atlanta Hartsfield-Jackson (ATL) - 56% of one-stop connections
• Dallas/Fort Worth (DFW) - 22% of one-stop connections
• Orlando (MCO) - 10% of one-stop connections
• Denver Intl (DEN) - 7% of one-stop connections

Yes. Flexible dates can save you up to 37% on flights from Houston to St. Louis. Wednesday is the cheapest departure day at $389 round-trip on average, while Monday is the most expensive at $611, a difference of $222.

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 Houston and St. Louis. 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 29m, compared with 4h 41m via Dallas Love Field (DAL) and 8h 40m via Atlanta Hartsfield-Jackson (ATL).

Some of the most popular sights in St. Louis are Busch Stadium, Enterprise Center and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.

Among airlines operating Houston to St. Louis flights:

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