Submit feedbackComplete travel information for your December journey
December is high season for travel between Denver International Airport (DEN) and George Bush Intercontinental Airport (IAH). Snow in the Rocky Mountains increases the chance of delays for DEN departures, while Houston tends to have milder winter weather. Nonstop flights typically operate multiple times per day, primarily on United and Southwest, with Frontier and Spirit offering budget options that may include connections. Average round-trip fares in December often range from $220–$450 depending on booking windows; secure cheaper flights by booking 6–8 weeks ahead and monitoring fare alerts for DEN to IAH routes. Nearby major destinations served by this corridor include Denver-area ski towns (Aspen, Vail, Breckenridge), Colorado Springs, and Houston-area cities such as Galveston, The Woodlands, and Sugar Land. CTA: Search cheap flights Denver International Airport (DEN) to George Bush Intercontinental Airport (IAH) for December deals and set a price alert today.
Denver International Airport (DEN) to George Bush Intercontinental Airport (IAH) routes in December see steady demand because of holiday travel and business flights. Expect multiple daily nonstop options on United and Southwest, higher fares around mid-December and the week of Christmas, and an increased risk of weather-related delays due to winter storms in the Rocky Mountains. Book early and monitor flight alerts for the best deals on Denver to Houston flights.
A nonstop flight between Denver International Airport (DEN) and George Bush Intercontinental Airport (IAH) typically takes about 2 hours 45 minutes to 3 hours, depending on winds and routing. Total travel time including airport procedures averages 4–5 hours; factor in extra time for winter check-in and de-icing during December.
Yes — December holiday windows, especially the third week through New Year’s, create higher demand and often higher fares on Denver International Airport (DEN) to George Bush Intercontinental Airport (IAH) routes. Airlines add extra capacity on popular days, but prices can spike; use fare alerts and flexible date searches to find cheaper flights to Houston in December.
To minimize winter disruptions at Denver International Airport (DEN) in December, choose earlier morning flights, fly nonstop to George Bush Intercontinental Airport (IAH) where possible, and opt for airlines with robust de-icing and recovery policies like United. Sign up for airline notifications, allow extra connection time, and consider travel insurance for major holidays.
Denver International Airport (DEN) offers on-site garages and economy lots with shuttle service; book covered or terminal parking early in December to secure spots during holiday travel. Rideshares and regional buses run year-round — reserve a rideshare or private transfer in advance for smooth connections to nearby destinations like Boulder, Colorado Springs, Aspen, and Vail.
Last-minute discounts from Denver International Airport (DEN) to George Bush Intercontinental Airport (IAH) in December are uncommon during peak holiday windows, but mid-December non-peak days and late-night flights can offer deals. Use fare comparison sites, flexible-date calendars, and sign up for airline flash-sale alerts to spot cheap flights from Denver to Houston.
December arrivals at George Bush Intercontinental Airport (IAH) from Denver International Airport (DEN) generally benefit from Houston’s mild winter climate, though travel disruptions can originate from Denver or other networked airports. U.S. carriers typically maintain multiple daily nonstops, with higher passenger loads near major holidays. Plan for heavier traffic on approach roads, and pre-book transfers if arriving during peak evening windows. Average taxi or rideshare fares to downtown Houston range widely depending on demand; check promo codes and shared-ride options to lower costs. Nearby destination suggestions: Galveston (beach and Strand historic district), NASA Johnson Space Center, Houston Museum District, Sugar Land Town Square, and The Woodlands shopping and holiday lights. CTA: Review December arrival alerts for George Bush Intercontinental Airport (IAH) and book transfers early for the best rates.
Upon arrival at George Bush Intercontinental Airport (IAH) from Denver International Airport (DEN), expect standard domestic arrival procedures including baggage claim and ground-transport options. December holiday crowds can slow baggage delivery; allow extra time for rideshares or airport shuttles to nearby major destinations like Downtown Houston, Galveston, The Woodlands, and Sugar Land.
George Bush Intercontinental Airport (IAH) is served by express shuttles, hotel courtesy vans, rideshares, and the Metropolitan Transit Authority of Harris County (METRO) connections; while there is no direct heavy-rail link, airport shuttles and fixed-route buses run year-round. In December, plan for heavier traffic on I-45 and I-69; pre-book transfers for added convenience during holiday peak times.
December travelers on the Denver International Airport (DEN) to George Bush Intercontinental Airport (IAH) route can connect to seasonal events in both regions. Denver-area travelers often head from DEN to ski resorts for winter sports and holiday markets (Aspen, Vail, Breckenridge). Houston arrivals at IAH are well-placed for Zoo Lights at the Houston Zoo, Houston Ballet’s The Nutcracker, and Galveston’s Holiday events on The Strand. These seasonal festivals drive December demand and influence flight availability and fares.
For Denver International Airport (DEN) to George Bush Intercontinental Airport (IAH) in December, the best times to fly are midweek (Tuesday–Thursday) and early morning departures to avoid holiday spikes and cascading weather delays from the Rocky Mountain region. If your travel is flexible, target non-peak days in early December or the week after New Year’s to secure lower fares and less crowded airports. For ski travelers connecting from Denver to Aspen or Vail, plan extra buffer time between flights.
Direct (nonstop) flights from Denver International Airport (DEN) to George Bush Intercontinental Airport (IAH) are the fastest and most reliable option in December, typically taking under 3 hours and reducing the chance of missed connections due to winter weather. Connecting itineraries can be cheaper but increase total travel time and exposure to delays, particularly if connections pass through snow-prone hubs like Denver or other northern airports. For December holiday travel, prefer nonstop and early-morning schedules when possible.
Major carriers operating Denver International Airport (DEN) to George Bush Intercontinental Airport (IAH) routes in December include United Airlines and Southwest Airlines, while Frontier and Spirit offer lower-cost options often with fewer amenities. United provides hub connectivity and a more extensive frequent flyer network via Denver, Southwest offers open-seating, two free checked bags on many fares, and Frontier/Spirit advertise ultra-low base fares but charge extra for seat selection and carry-on or checked bags.
December travel between Denver International Airport (DEN) and George Bush Intercontinental Airport (IAH) requires winter-specific preparation. Expect snow-related delays at DEN and plan buffer time for connections or ground transport. Pack layered clothing, carry essential medications and travel documents in your carry-on, and confirm baggage allowances to avoid surprise fees. Consider refundable or flexible fares if traveling during peak holiday windows and enroll in airline text alerts for real-time updates.
Typical nonstop flight time from Denver International Airport (DEN) to George Bush Intercontinental Airport (IAH) is about 2 hours 45 minutes to 3 hours. In December, airlines commonly schedule multiple daily departures with peak frequency mid-morning and early evening; United and Southwest usually operate the bulk of nonstop frequencies. Expect earliest departures around 6:00–7:00 AM MST from DEN and later arrivals into IAH up to 10:00–11:00 PM CST depending on the carrier. Seasonal schedule changes may add extra flights during holiday demand surges.
Strategies to find cheap flights from Denver International Airport (DEN) to George Bush Intercontinental Airport (IAH) in December include booking 6–8 weeks ahead for holiday travel, using flexible-date searches, and opting for midweek departures. Set fare alerts for DEN to IAH, compare budget carriers like Frontier and Spirit with full-service options such as United and Southwest, and watch for flash sales in late-October through early-December. Consider red-eye or late-night flights and two-leg itineraries if nonstop prices are high. Use multi-airline search tools, and sign up for airline newsletters focused on Denver–Houston discounts.
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Delays into George Bush Intercontinental Airport (IAH) from Denver International Airport (DEN) in December are often due to upstream winter weather affecting DEN and national airspace congestion. Houston itself usually has milder weather, but expect possible cascading delays; check arrival status and sign up for airline text alerts to stay informed on any changes to your DEN–IAH itinerary.
From George Bush Intercontinental Airport (IAH) you can quickly reach downtown Houston, the Galveston coast, NASA Johnson Space Center, The Woodlands, and Sugar Land. December is ideal for holiday events like Zoo Lights and Galveston's seasonal festivals; consider renting a car or booking an airport transfer to visit these nearby attractions.
Airport lounges, eateries, and retail at George Bush Intercontinental Airport (IAH) may extend hours around December holidays, but some independent shops could operate reduced schedules on major holidays. Verify lounge access with your carrier or credit card benefits, and plan for crowds at food outlets during peak evening and holiday arrival times.
To save on ground transportation from George Bush Intercontinental Airport (IAH), compare METRO bus options, shared shuttles, and rideshare promotions; book rental cars in advance for holiday weeks. Using pre-booked shared shuttles or off-airport parking transfer services can reduce costs when visiting Galveston or The Woodlands in December.
