Other Destinations
St Louis (STL) to Los Angeles (LAX) in December from $112
From $112
St Louis (STL) to New York (Any) in December from $128
From $128
St Louis (STL) to Washington, D.C. (DCA) in December from $183
From $183
St Louis (STL) to Fort Lauderdale (Any) in December from $234
From $234
St Louis (STL) to San Diego (SAN) in December from $258
From $258
St Louis (STL) to Jacksonville (JAX) in December from $281
From $281
Flights from Other Cities
Denver (DEN) to Houston (IAH) in December from $44
From $44
Chicago (ORD) to Houston (IAH) in December from $54
From $54
Los Angeles (LAX) to Houston (IAH) in December from $85
From $85
Philadelphia (PHL) to Houston (IAH) in December from $86
From $86
New Orleans (MSY) to Houston (IAH) in December from $137
From $137
Minneapolis (Any) to Houston (IAH) in December from $148
From $148
✈️ Flight Guide: St Louis (STL) → Houston (IAH)
Complete travel information for your December journey
December travel from St. Louis Lambert International Airport (STL) to George Bush Intercontinental Airport (IAH) sees a mix of steady business demand and a holiday surge. Peak travel days are typically mid-December and the weekend before Christmas, so book flights early to secure nonstop options offered by carriers like Southwest Airlines. Expect earlier morning and late evening flights to be less crowded; check airport parking reservations and snow-clearing updates at STL. Popular nearby destinations connected to STL travelers include Chicago, Nashville, Kansas City, Indianapolis, and Little Rock. CTA: Compare cheap flights from St. Louis Lambert International Airport (STL) to George Bush Intercontinental Airport (IAH) for December and set fare alerts to lock in the best prices.
Departing from St Louis (STL) FAQs
A nonstop flight from St. Louis Lambert International Airport (STL) to George Bush Intercontinental Airport (IAH) typically takes about 1 hour 45 minutes to 2 hours depending on winds and routing. Flight duration can vary during December due to weather-related routing or traffic, so check real-time flight status before heading to the airport.
In December, carriers that commonly serve the STL–IAH route include Southwest Airlines, American Airlines (often via hubs), Delta Air Lines and United Airlines (typically with connections). Southwest is known for direct, frequent schedules between St. Louis and Houston, while legacy carriers may offer additional connecting options and loyalty perks.
Yes, December brings holiday-driven schedule changes at St. Louis Lambert International Airport (STL), with increased frequency on popular routes and some airlines adding capacity for holiday travel. Expect busier peak days around mid-December and the last two weeks of the month; book early and set flight alerts for the best STL to IAH fares.
St. Louis Lambert International Airport (STL) offers short-term and long-term parking lots, economy parking shuttles, rideshare pickup zones, and rental car facilities with winterized vehicle options. During December, allow extra time for snow clearing and potential lot congestion; use online parking reservations and confirm rideshare pickup locations for the fastest exit.
For domestic STL to IAH flights in December, arrive at least 90 minutes before departure to allow for winter weather delays, checked baggage, and holiday crowds; if you need to check bags or travel with family, consider arriving 2 hours early. Enroll in TSA PreCheck for shorter security lines and monitor airport wait times on the day of travel.
As of December, most domestic flights between St. Louis and Houston do not require COVID-19 testing or proof of vaccination, but airlines and local authorities may update guidance seasonally. Check your airline's policy and the CDC or local public health websites shortly before travel for the latest recommendations and any mask advisories.
Arrivals at George Bush Intercontinental Airport (IAH) during December are generally smooth but can be affected by holiday crowds and seasonal events in the Houston area. If you're flying in from St. Louis Lambert International Airport (STL), allow extra time for baggage claim and rideshare queues, especially on peak travel days around the holidays. Nearby major destinations commonly accessed from IAH include Galveston, The Woodlands, Sugar Land, Austin and San Antonio, making IAH a convenient hub for extended Texas trips. CTA: Book your arrival transfer and compare cheap flights to George Bush Intercontinental Airport (IAH) now to avoid holiday price spikes.
Arriving at Houston (IAH) FAQs
George Bush Intercontinental Airport (IAH) offers multiple ground transportation options to downtown Houston in December, including rideshare services, taxis, airport shuttle buses, METRO Connect shuttle to transit, and rental cars. During the holiday season plan for higher demand; pre-book airport shuttles or rental cars and allow extra time for traffic, especially during events like the Houston Ballet Nutcracker performances.
Houston's George Bush Intercontinental Airport (IAH) is less likely than St. Louis to experience snow, but December can still bring rain, fog or occasional cold fronts that affect visibility and ground operations. Check live flight status and carrier notifications on the day of travel; when connecting at IAH allow extra layover time during seasonal weather or holiday peaks.
For domestic arrivals at George Bush Intercontinental Airport (IAH), collect checked bags at the designated claim area and follow signs to ground transportation or connecting flights. December crowds can increase wait times at baggage claim, so mark luggage clearly and consider expedited baggage options or carry-on only to speed your exit.
Yes, travelers arriving at George Bush Intercontinental Airport (IAH) often continue to nearby major destinations including Galveston, The Woodlands, Sugar Land, Austin and San Antonio, as well as day trips to New Orleans or Dallas. In December, many visitors use IAH as a hub for holiday travel to Gulf Coast beaches, Texas Hill Country wineries, and regional events.
George Bush Intercontinental Airport (IAH) provides shops, restaurants, lounges, family facilities, and rental car services year-round; in December many terminals feature holiday decorations and seasonal pop-ups. Expect extended food service hours on high-travel days and verify lounge access and gate services if you have tight connections.
When arriving at George Bush Intercontinental Airport (IAH) in December, build at least 90 minutes to 2 hours for domestic-to-domestic connections to allow for potential crowding, baggage delays, and holiday traffic. For international or checked-bag transfers, consider longer connection windows and check-in with your airline for minimum connection times.
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December Events Affecting STL–IAH Travel | ZooLights, Nutcracker & Holiday Festivals
December events in both St. Louis and Houston can affect flight demand on the STL–IAH corridor. In St. Louis look for St. Louis ZooLights and holiday concerts that increase outbound traffic, while in Houston the Houston Ballet's Nutcracker, Zoo Lights Houston, Discovery Green holiday programming, and Galveston Island's Festival of Lights draw inbound visitors. If your travel dates coincide with local festivals, expect higher fares and fuller flights—use specific searches like "STL to IAH flights during ZooLights" or "Houston Nutcracker flights from St. Louis" to plan around events.
Best Time to Fly STL to IAH in December | Cheapest Days & Times
The best time to fly STL to IAH in December depends on your priorities: for lowest fares, target mid-week departures (Tuesday–Thursday) and early morning flights; for convenience, choose nonstop options offered most days by Southwest Airlines. Avoid peak holiday travel windows (the week before Christmas and New Year's Eve) to reduce price and delay risk. Book 4–8 weeks in advance for domestic December travel, and monitor flash sales if you have flexible schedules—search terms like "St. Louis to Houston cheapest flights December" and "STL IAH low fares" will help surface deals.
Direct vs Connecting Flights: STL to IAH in December
Direct nonstop flights between St. Louis Lambert International Airport (STL) and George Bush Intercontinental Airport (IAH) are faster—typically under two hours—and reduce the risk of missed connections, especially valuable in December's holiday season. Connecting flights may be cheaper but add transit time and increase the chance of delays; common connection hubs for STL–IAH itineraries include Chicago O'Hare (ORD), Dallas/Fort Worth (DFW), and Memphis (MEM). If time is critical, prioritize nonstop search filters; if budget is the priority and you have flexible timing, compare connecting itineraries with longer layovers to lower total costs.
Airline Comparison for STL to IAH | December Carriers & Policies
Compare airlines for STL to IAH travel in December by frequency, fare structure, baggage policy, and onboard amenities. Southwest Airlines often offers multiple nonstop flights and two free checked bags, making it a strong value for many travelers. American Airlines and United may provide competitive fares with connections and loyalty benefits; Delta offers partner connections and premium cabin options. Use search terms like "Southwest STL IAH December," "American Airlines STL IAH connection," and "best airline St. Louis to Houston" to find schedules and compare total trip cost including baggage and seat selection fees.
December Seasonal Travel Tips for STL to IAH | Weather, Packing & Airport Advice
December travel between St. Louis Lambert International Airport (STL) and George Bush Intercontinental Airport (IAH) requires winter-aware planning: pack layers for cold St. Louis mornings and humid Houston arrivals, check weather forecasts for possible snow or ice at STL, and allow extra time for parking and security. Enroll in TSA PreCheck to reduce security time, choose nonstop flights to lower connection risk, and purchase refundable or flexible tickets during holiday travel windows. Also consider booking rental cars with winterized tires if driving in the Midwest, confirm rideshare pickup points at both airports, and subscribe to airline flight alerts for real-time schedule updates.
STL to IAH Flight Time & Schedules | December Nonstop and Connecting Options
Average nonstop flight time between St. Louis Lambert International Airport (STL) and George Bush Intercontinental Airport (IAH) is approximately 1 hour 45 minutes to 2 hours. In December, airlines may add extra frequencies on weekends and around holidays; Southwest Airlines commonly offers multiple daily nonstop flights, with additional connecting options by American, Delta and United. For accurate departure and arrival times search carrier schedules and realtime flight trackers; remember to factor in potential winter weather delays and holiday congestion when planning connections.
Cheap Flights STL to IAH in December | How to Find Low-Cost St. Louis to Houston Tickets
Find cheap flights from St. Louis Lambert International Airport (STL) to George Bush Intercontinental Airport (IAH) in December by searching early, using flexible date tools, and setting fare alerts. Aim to book 4–8 weeks before peak holiday travel; mid-week departures and early morning flights often offer the lowest STL to IAH fares. Consider comparing nonstop options from Southwest Airlines with connecting itineraries on American, Delta, or United to balance price and travel time. Use location-based keywords when searching—"cheap St. Louis to Houston flights December," "STL IAH flight deals," and "St. Louis to Houston nonstop December"—and sign up for email alerts to catch last-minute sales. CTA: Compare prices now and sign up for fare alerts for STL to IAH December deals.