Other Destinations
Washington, D.C. (IAD) to Dallas (DFW) in December from $197
From $197
Washington, D.C. (IAD) to San Juan (Any) in December from $233
From $233
Washington, D.C. (IAD) to Saint Thomas Cyril E King (STT) in December from $425
From $425
Washington, D.C. (IAD) to Kathmandu (KTM) in December from $452
From $452
Washington, D.C. (IAD) to Mexico City (Any) in December from $523
From $523
Washington, D.C. (IAD) to San Salvador (SAL) in December from $545
From $545
Flights from Other Cities
New York (JFK) to Las Vegas (LAS) in December from $40
From $40
Detroit (DTW) to Las Vegas (LAS) in December from $49
From $49
Carmel (MRY) to Las Vegas (LAS) in December from $79
From $79
Birmingham (BHM) to Las Vegas (LAS) in December from $90
From $90
San Diego (SAN) to Las Vegas (LAS) in December from $98
From $98
Atlanta (ATL) to Las Vegas (LAS) in December from $114
From $114
✈️ Flight Guide: Washington, D.C. (IAD) → Las Vegas (LAS)
Complete travel information for your December journey
December at Washington Dulles International Airport (IAD) sees increased passenger volume for holiday travel. Book IAD to LAS flights early to capture the best fares and nonstop options; flight prices and last-minute availability shift quickly during the second and third weeks of December and around Christmas and New Year's. Expect longer TSA lines and variable winter conditions that can affect both departure and arrival times. Use airport amenities and TSA PreCheck where available, and monitor airline alerts. For travelers departing from IAD, nearby major cities to consider when planning ground transport are Washington, D.C., Arlington, Alexandria, Baltimore, and Richmond. Call to action: Compare IAD to LAS December flight deals now and secure flexible fares for holiday travel.
Departing from Washington, D.C. (IAD) FAQs
Travelers flying from Washington Dulles International Airport (IAD) to Harry Reid International Airport (LAS) in December should expect holiday crowds and variable weather. Arrive at least 2–2.5 hours before domestic departures, allow extra time for TSA during peak holiday windows, and check flight status for potential winter delays out of the D.C. area. Book early to secure cheap flights and flexible fares, and consider travel insurance for holiday travel interruptions.
Yes — several carriers operate nonstop flights between Washington Dulles International Airport (IAD) and Harry Reid International Airport (LAS) during December, though frequency may increase on peak travel days around holidays. Use airline websites or flight search engines to compare nonstop and direct flight options and book early to lock in the best nonstop schedules.
A nonstop flight between Washington Dulles International Airport (IAD) and Harry Reid International Airport (LAS) typically takes about 4 hours and 45 minutes to 5 hours. Flight time can vary with winds and routing; allow additional time for taxiing, potential deicing procedures in winter, and connecting through hub airports if you choose a one-stop itinerary.
Washington Dulles International Airport (IAD) follows TSA and airline-specific baggage rules; expect busy TSA lines during December holidays. Check your airline for carry-on size and checked bag limits, pack any holiday gifts according to TSA guidelines (no prohibited liquids over 3.4 oz in carry-on), and consider TSA PreCheck to speed screening during peak season.
From Washington Dulles International Airport (IAD), travelers can use rideshares, taxis, car rentals, and regional bus services to reach Washington, D.C., Arlington, Alexandria, Baltimore, and nearby suburbs. In December, allow extra time for snow or icy road conditions; if driving yourself, reserve rental cars early and consider winter driving routes and parking near the terminal.
Common connecting hubs for cheaper one-stop flights from Washington Dulles International Airport (IAD) to Harry Reid International Airport (LAS) include Charlotte (CLT), Atlanta (ATL), Dallas/Fort Worth (DFW), and Denver (DEN). During December, compare total travel time and layover durations; sometimes a longer layover provides lower fares but increases exposure to winter weather delays.
Arriving at Harry Reid International Airport (LAS) in December means easy access to the Las Vegas Strip and nearby communities like Henderson, North Las Vegas, and Summerlin. Expect higher passenger volumes around holiday concerts and New Year's Eve; plan your ground transportation in advance and verify pickup zones for taxi and rideshare services. For travelers continuing to the Grand Canyon, Hoover Dam, or Red Rock Canyon, consider organized tours or car rentals to avoid peak local traffic. CTA: Book your LAS arrival rideshare or shuttle now, and check hotel+flight packages for December savings.
Arriving at Las Vegas (LAS) FAQs
Harry Reid International Airport (LAS) in December is typically milder than winter destinations but can be busier due to holiday events and conventions. Expect efficient baggage claim and ride-share pickup areas; however, plan for longer wait times during peak arrival windows and convention weekends. Check airport maps for terminal services and seasonal promotions.
From Harry Reid International Airport (LAS), travelers can use taxis, rideshares, shuttle vans, and rental cars to reach the Las Vegas Strip, Henderson, North Las Vegas, Summerlin, and nearby attractions like the Hoover Dam. In December, allow extra travel time for holiday traffic around the Strip and book shuttles or rideshares in advance for peak nights.
Yes — December features holiday shows, New Year's Eve events, and conventions that increase demand for Harry Reid International Airport (LAS) flights. These events can raise fares and cause fuller flights, especially the last week of December and New Year's Eve. Book early and confirm return flights and event schedules to avoid sold-out flights.
For domestic arrivals at Harry Reid International Airport (LAS), collect checked bags at the designated carousel for your airline and proceed to ground transportation. Customs procedures apply for international arrivals only; if connecting domestically, follow signage for baggage re-check. Check airline notifications for delayed bags and file any baggage claims with the airline at the airport.
December can offer mixed hotel pricing in Las Vegas: weekdays and early December often feature lower hotel rates and package deals, while holiday weeks and New Year's Eve spike prices. Search for weekday stays, bundled flight-plus-hotel packages, and midweek conventions to find cheap hotel options near Harry Reid International Airport (LAS) and the Strip.
From Harry Reid International Airport (LAS), popular nearby destinations include the Las Vegas Strip, Henderson, North Las Vegas, Summerlin, the Hoover Dam, and natural attractions like Red Rock Canyon and the Grand Canyon (via short flights or drives). December visitors often combine Las Vegas with nearby national parks and California or Arizona city getaways.
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December Events & Festivals Affecting IAD to LAS Travel — Las Vegas Holiday Guide
December in Las Vegas includes holiday residency shows, major concerts, end-of-year parties, and convention events that increase demand for flights into Harry Reid International Airport (LAS). New Year's Eve on the Strip is the single busiest night, often causing higher fares and sold-out hotels. Mid-December weekends can also see spikes due to corporate end-of-year events. If you plan to attend a specific show or festival, book flights and hotels early and consider refundable fares or flexible change options. CTA: Check event calendars for Las Vegas in December and secure your IAD to LAS flights before prices rise.
Best Time to Fly IAD to LAS in December — Cheapest Days & Holiday Tips
For December travel from Washington Dulles International Airport (IAD) to Harry Reid International Airport (LAS), the best time to fly for lower fares and fewer crowds is typically midweek (Tuesday–Thursday) and early December before major holiday weeks. Avoid flying on or immediately before December 24–26 and December 31 if possible, as fares and passenger volumes climb. Early morning or red-eye flights can be cheaper and less crowded, but factor in potential winter weather for early departures. CTA: Search flexible-date calendars to find the cheapest IAD to LAS December flights and book before peak holiday price spikes.
Direct vs Connecting Flights IAD to LAS in December — Pros, Cons, and Savings
Choosing between nonstop and connecting flights from Washington Dulles International Airport (IAD) to Harry Reid International Airport (LAS) in December comes down to priorities. Direct/nonstop flights minimize total travel time and reduce the risk of missed connections during winter weather, while connecting itineraries can yield significant savings but may increase total travel time and exposure to delays. Popular connecting hubs include Charlotte (CLT), Atlanta (ATL), Dallas/Fort Worth (DFW), and Denver (DEN). If traveling during peak holiday windows, opt for nonstop or allow a longer cushion between connections. CTA: Compare nonstop and one-stop December itineraries now to find the right balance of price and reliability.
Airline Comparison for IAD to LAS in December — United, American, Delta & Low-Cost Carriers
United often offers nonstop service between Washington Dulles International Airport (IAD) and Harry Reid International Airport (LAS) with extensive loyalty benefits for MileagePlus members. American and Delta provide competitive connecting and seasonal nonstop options via their hubs, while low-cost carriers may offer lower base fares but charge for seat selection and checked bags. For December travel, prioritize airlines with solid on-time performance and clear winter operations policies; also compare change and cancellation rules as holiday plans shift. CTA: Compare December fares and airline policies for IAD to LAS now and select the carrier that best fits your budget and schedule.
Seasonal Travel Tips for IAD to LAS in December — Winter Packing, Weather, and Holiday Advice
When traveling from Washington Dulles International Airport (IAD) to Harry Reid International Airport (LAS) in December, pack for both cold D.C. mornings and milder Las Vegas afternoons. Layer clothing for quick adjustments, protect fragile holiday gifts in checked luggage if necessary, and bring chargers and entertainment for potential delays. Enroll in TSA PreCheck or use expedited security where available, and sign up for airline flight alerts to stay informed about schedule changes. For New Year's travel, confirm return flights and airport pickup zones well in advance. CTA: Prepare smartly for your December trip — check flight alerts and pack layers for your IAD to LAS travel.
Flight Time & Schedules — IAD to LAS December Nonstop and Connecting Flights
A nonstop flight from Washington Dulles International Airport (IAD) to Harry Reid International Airport (LAS) typically lasts about 4 hours 45 minutes to 5 hours. Connecting itineraries commonly route through hubs such as Charlotte (CLT), Atlanta (ATL), Dallas/Fort Worth (DFW), and Denver (DEN), which can extend total travel time to 7–10+ hours depending on layovers. December schedules may include more red-eye departures to maximize daytime arrival in Las Vegas; if you prefer to avoid tight connections during potential winter delays, prioritize nonstops or allow longer layovers. CTA: Check updated December schedules and book flights that match your preferred arrival time on the Las Vegas Strip.
Cheap Flights IAD to LAS in December — Deals, Tricks, and Booking Tips
To find cheap flights from Washington Dulles International Airport (IAD) to Harry Reid International Airport (LAS) in December, monitor fares 60–90 days ahead for the best balance of availability and price, and set fare alerts on multiple search engines. Midweek departures (Tuesdays and Wednesdays) and travel in the first half of December are often the most economical. Consider one-stop flights via Charlotte (CLT), Atlanta (ATL), Dallas/Fort Worth (DFW), or Denver (DEN) to lower ticket costs, but weigh the risk of weather delays. Use flexible-date searches, compare low-cost carriers and legacy airlines, and book refundable or changeable fares during the holiday season. CTA: Activate fare alerts for IAD to LAS December and compare nonstop vs connecting options now.