$109 Find Cheap Flights from Houston Hobby Airport to St. Louis - Compare and Save

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

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

The flight takes about 2h.

Only Economy Class is available on flights from Houston Hobby Airport to St. Louis.

A nonstop flight from Houston Hobby Airport to St. Louis takes 2h, covering 688 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 Hobby Airport to St. Louis range from $338 to $545, with an average of $412 over the past 12 months. Anything below $338 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 110% above the $412 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 $324 round-trip via Dallas/Fort Worth (DFW), compared to $413 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest and United Airlines. Other aircraft seen on the route include Embraer 175 (Enhanced Winglets) variants.

Morning is the busiest departure period on Houston Hobby Airport to St. Louis flights, with 50% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, 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 $906. That means the highest observed fare was about 3x higher than the lowest one.

One-way fares from Houston Hobby Airport to St. Louis are currently lower than usual. Average one-way flight prices are about $116, which is 57% 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 Hobby Airport to St. Louis usually depart from Houston Hobby (HOU) and arrive at Lambert-St Louis (STL).

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

• Dallas/Fort Worth (DFW) - 50% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 33% of one-stop connections
• Dallas Love Field (DAL) - 17% of one-stop connections

Yes. Flexible dates can save you up to 30% on flights from Houston Hobby Airport to St. Louis. Tuesday is the cheapest departure day at $347 round-trip on average, while Sunday is the most expensive at $493, a difference of $146.

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

Only Southwest operates flights between Houston Hobby Airport and St. Louis.

Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 4h 40m, compared with 4h 41m via Dallas Love Field (DAL) and 4h 55m via Dallas/Fort Worth (DFW).

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 Hobby Airport to St. Louis flights:

• 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:

• Southwest: 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.