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

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.

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

Flights from Houston Hobby Airport to St. Louis usually depart from Houston Hobby (HOU) and arrive at Lambert-St Louis (STL).

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

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

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

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

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $196 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $415 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.

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

• Dallas/Fort Worth (DFW) - 60% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 20% of one-stop connections
• Dallas Love Field (DAL) - 20% of one-stop connections

Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

On the Houston Hobby Airport to St. Louis route, being flexible with your departure day can save you up to 17%. Saturday is the cheapest day at $377 round-trip on average, while Thursday is the most expensive at $454: a $77 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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%.

Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.

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

• Earliest: departs at 5:30 am and lands at 7:31 am
• Latest: departs at 10:35 pm and lands at 12:36 am.

The flight takes about 2h 01m.

Last-minute fares on this route - booked within 2 weeks of departure - run 100% above the route average of $414. Book 4 weeks before departure for the lowest fares.

A nonstop flight from Houston Hobby Airport to St. Louis takes 2h 01m, 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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $217 to $789. That means the highest observed fare was about 4x 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 $111, which is 57% below the typical average for this route.

Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 4h 41m, compared with 4h 55m via Dallas/Fort Worth (DFW) and 5h 46m via Atlanta Hartsfield-Jackson (ATL).

Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
• Hertz
• Budget
• Alamo
• Enterprise Rent-A-Car
• Payless

Round-trip flights from Houston Hobby Airport to St. Louis range from $341 to $548, with an average of $414 over the past 12 months. Anything below $341 counts as a good deal.

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