✈️ Flight Guide: Chicago (ORD) → Las Vegas (Any)

December brings high-impact events for travelers on the ORD to LASA route. In Las Vegas, New Year's Eve on the Strip and the National Finals Rodeo (usually early December) generate surges in air traffic, hotel demand, and ground transport needs. Chicago features seasonal attractions such as Christkindlmarket, ZooLights at Lincoln Park Zoo, and holiday theater, which increase local airport traffic at ORD. If traveling to or from Las Vegas in December for events, book flights, hotels, and transfers well in advance. CTA: Reserve your flight from Chicago O'Hare International Airport (ORD) to Las Vegas (All Airports) (LASA) early for major December events.

For December travel from Chicago O'Hare International Airport (ORD) to Las Vegas (All Airports) (LASA), the best time to fly is early December (first two weeks) and midweek (Tuesday–Thursday) mornings to minimize fares and delays. Avoid peak holiday travel windows from about Dec 20 through Jan 1 when airports and highways are busiest and prices spike. If you must travel during peak days, aim for the earliest nonstop to reduce the chance of cancellations or connecting flight disruptions. CTA: Book your ORD to LASA flight now for early-December savings and reliable schedules.

Nonstop flights from Chicago O'Hare International Airport (ORD) to Las Vegas (All Airports) (LASA) are faster and reduce the risk of missed connections, making them ideal for December travel when winter weather can cause delays. Connecting itineraries via hubs like Denver (DEN), Dallas/Fort Worth (DFW), Phoenix (PHX), or Los Angeles (LAX) can be cheaper but add layover time and exposure to delays. If you choose a connection in December, allow longer layovers (at least 90–120 minutes) to accommodate possible de-icing or weather-related delays. CTA: Choose nonstop ORD to LASA flights for December travel when possible to minimize travel-day risk.

United and American typically offer multiple daily nonstops from Chicago O'Hare International Airport (ORD) to Las Vegas (All Airports) (LASA) with premium cabin options and larger loyalty program networks, making them a good choice for comfort in December. Southwest often provides the best value for families because of free checked bags and flexible change policies, while Spirit and Frontier can deliver the lowest base fares but charge for baggage, seat selection, and carry-ons. Compare total trip cost (fare + baggage + seat fees) and schedule reliability when booking December travel. CTA: Compare airlines and book the best ORD to LASA flight for your December trip now.

December travel between Chicago O'Hare International Airport (ORD) and Las Vegas (All Airports) (LASA) benefits from careful planning: pack layers for Chicago cold and Las Vegas mild nights, keep medications and important documents in carry-on luggage, and check-in online to minimize airport time. Allow extra time for winter de-icing delays at ORD, arrive 2–3 hours before domestic departures during peak holiday days, and consider travel insurance for trips that include non-refundable bookings. Use mobile boarding passes and sign up for airline alerts to stay updated about schedule changes. CTA: Prepare for December travel and book your ORD to LASA flight with confidence today.

Flight time from Chicago O'Hare International Airport (ORD) to Las Vegas (All Airports) (LASA) for nonstop flights typically ranges from about 3 hours 45 minutes to 4 hours 30 minutes depending on winds and routing. December travel requires accounting for the 2-hour time difference (Chicago CST to Las Vegas PST), so a midday departure from ORD often arrives early afternoon local time in LASA. In December, multiple carriers operate daily nonstops; expect increased frequencies around holiday weekends. For reliability, book morning nonstops which historically have fewer cascading delays.

To find cheap flights from Chicago O'Hare International Airport (ORD) to Las Vegas (All Airports) (LASA) in December, use flexible-date searches and target early-December midweek departures (Tuesdays–Thursdays) for lower prices. Set fare alerts, compare budget carriers like Spirit and Frontier for ultra-low fares, and consider bundling hotel and flight deals. Loyalty program redemptions and airline flash sales can also yield savings — book 3–8 weeks ahead of peak holiday dates for the best chances. CTA: Compare and book cheap flights from ORD to LASA now to secure December discounts.

Tips

• Search flexible dates and +/- 3 days to reveal cheaper midweek fares.
• Set price alerts and watch for flash sales from major carriers.
• Consider budget airlines for lower base fares but check baggage fees.
• Book early for peak holiday dates (Dec 20–31) or aim for early December for lower rates.