$61 Find Cheap Flights from St. Louis to Houston George Bush Airport - Compare and Save

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

• United Airlines: offers free seat selection

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

Only United Airlines operates flights between St. Louis and Houston George Bush Intcntl Airport.

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).

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 First 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.

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

• Economy Class
• Business Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $228 round-trip via Denver Intl (DEN), compared to $402 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 Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Canadair (Bombardier) Regional Jet CRJ-550 variants.

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

• Atlanta Hartsfield-Jackson (ATL) - 47% of one-stop connections
• Dallas/Fort Worth (DFW) - 30% of one-stop connections
• Denver Intl (DEN) - 10% of one-stop connections
• Orlando (MCO) - 10% of one-stop connections

Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 25% on the St. Louis to Houston George Bush Intcntl Airport route. Wednesday is the cheapest departure day at $345 round-trip on average, while Sunday is the most expensive at $460, a difference of $115. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on St. Louis to Houston George Bush Intcntl Airport flights, with 75% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 0%, and night flights for 0%.

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

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

• Earliest: departs at 6:15 am and lands at 8:35 am
• Latest: departs at 5:55 pm and lands at 8:15 pm.

The flight takes about 2h 20m.

Last-minute fares on this route - booked within 2 weeks of departure - run 40% above the route average of $377. Book 4 weeks before departure for the lowest fares.

A nonstop flight from St. Louis to Houston George Bush Intcntl Airport takes 2h 20m, 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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $217 to $813. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from St. Louis to Houston George Bush Intcntl Airport are currently lower than usual. Average one-way flight prices are about $99, which is 52% below the typical average for this route.

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 4h 23m, compared with 5h 12m via Chicago O'Hare Intl (ORD) and 9h 17m via Atlanta Hartsfield-Jackson (ATL).

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
· Hertz
· Thrifty

Round-trip flights from St. Louis to Houston George Bush Intcntl Airport range from $282 to $492, with an average of $377 over the past 12 months. Anything below $282 counts as a good deal.

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.