$53 Find Cheap Flights from St. Louis to Houston George Bush Airport - Compare and Save

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

• Earliest: departs at 6:00 am and lands at 8:25 am
• Latest: departs at 5:59 pm and lands at 8:24 pm.

The flight takes about 2h 25m.

Two cabin classes are available on flights from St. Louis to Houston George Bush Intcntl Airport:

• Economy Class
• First Class

A nonstop flight from St. Louis to Houston George Bush Intcntl Airport takes 2h 25m, covering 668 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 George Bush Intcntl Airport range from $304 to $501, with an average of $393 over the past 12 months. Anything below $304 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 42% above the $393 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 $411 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 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 United Airlines and Southwest. Other aircraft seen on the route include Canadair (Bombardier) Regional Jet CRJ-550 variants.

Morning is the busiest departure period on St. Louis to Houston George Bush Intcntl Airport flights, with 60% of flights leaving in that window. Afternoon departures account for 20%, evening flights for 20%, 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 $217 to $990. That means the highest observed fare was about 5x higher than the lowest one.

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

One-way fares from St. Louis to Houston George Bush Intcntl Airport are currently lower than usual. Average one-way flight prices are about $96, which is 59% below the typical average for this route.

Houston George Bush Intcntl Airport (IAH) hosts 5 major car rental companies, with daily rates starting from around $3 for economy cars. Top options include:

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

Flights from St. Louis to Houston George Bush Intcntl Airport usually depart from Lambert-St Louis (STL) and arrive at Houston George Bush Intcntl (IAH).

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

• Atlanta Hartsfield-Jackson (ATL) - 53% of one-stop connections
• Dallas/Fort Worth (DFW) - 21% of one-stop connections
• Denver Intl (DEN) - 11% of one-stop connections
• Orlando (MCO) - 11% of one-stop connections

Yes. Flexible dates can save you up to 30% on flights from St. Louis to Houston George Bush Intcntl Airport. Tuesday is the cheapest departure day at $347 round-trip on average, while Monday 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 United Airlines operates flights between St. Louis and Houston George Bush Intcntl Airport.

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 20m via Atlanta Hartsfield-Jackson (ATL).

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

Among airlines operating St. Louis to Houston George Bush Intcntl Airport flights:

• 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
• 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.