October is a productive month to fly from Chicago O'Hare International Airport (ORD) to Harry Reid International Airport (LAS). Nonstop options are plentiful and early fall often offers lower fares than summer, especially mid-week. Watch for local Chicago events like the Chicago Marathon early in October that increase ground traffic to ORD — arrive early and set fare alerts to book the best ORD to LAS flights. Nearby cities commonly served via ORD include downtown Chicago, Evanston, Naperville, Aurora, Milwaukee, and Indianapolis; these markets often feed into ORD for direct service to Las Vegas. Book early for Friday and Sunday travel peaks, and use flexible ticketing when possible to manage schedule uncertainty.
October offers pleasant arrival conditions at Harry Reid International Airport (LAS) for travelers flying from Chicago O'Hare International Airport (ORD). The milder weather makes transfers to the Strip, Henderson, North Las Vegas, and nearby attractions like Red Rock Canyon and Hoover Dam easier and more comfortable. Expect increased passenger volumes on Halloween weekends and during major entertainment residencies; book pre-paid shuttles or early rideshares to avoid lines. For day trips, October is ideal for Grand Canyon West and scenic drives without summer heat, so schedule tours and car rentals in advance to lock in the best prices.
October brings notable events that affect ORD to LAS travel. In Chicago, the Bank of America Chicago Marathon (typically early October) can increase ground traffic to Chicago O'Hare International Airport (ORD) and should be considered when planning airport arrival times. In Las Vegas, October is a busy month for Halloween-themed parties, music residencies, and conference weekends; Harry Reid International Airport (LAS) sees elevated arrivals around major entertainment dates. Book flights and hotels well in advance for event weekends, and plan ground transfers with extra time or pre-booked shuttles to avoid delays.
The best time to fly from Chicago O'Hare International Airport (ORD) to Harry Reid International Airport (LAS) in October is mid-week (Tuesday–Thursday) and midday departures to avoid weekend price surges. Book 3–8 weeks in advance for the best mix of price and availability; for holiday-adjacent weekends and October events, purchase tickets earlier. Early morning departures can reduce the chance of inbound delay cascades; late-night red-eye flights sometimes offer lower fares. CTA: Use a fare calendar to compare October dates and lock in a deal for your ORD to LAS trip.
Nonstop flights from Chicago O'Hare International Airport (ORD) to Harry Reid International Airport (LAS) are faster (about 4 hours) and reduce the risk of missed connections, making them attractive in October when you want to maximize time in Las Vegas. Connecting itineraries via hubs like Denver (DEN), Phoenix (PHX), Dallas/Fort Worth (DFW), or Salt Lake City (SLC) can be cheaper but add 2–4+ hours depending on layover duration. If saving money is your priority, a one-stop flight may lower the fare; if reliability and time are essential, choose nonstop. CTA: Compare nonstop and one-stop ORD to LAS options now to decide which balance of time and price suits your October trip.
United Airlines and American Airlines typically offer multiple nonstop flights between Chicago O'Hare International Airport (ORD) and Harry Reid International Airport (LAS) with standard checked baggage allowances on most fare classes and extensive loyalty perks for elites. Spirit Airlines often provides lower base fares but charges for carry-on and checked bags and seat assignments, which can increase the final price for ORD to LAS travelers. Delta generally offers connecting options via Atlanta or Salt Lake City, which can be competitive depending on sale fares. When choosing an airline in October, weigh nonstop convenience, baggage fees, and loyalty program value; if you prioritize low price, consider Spirit with add-ons, whereas United and American offer more frequent nonstop schedules.
Pack layers for October travel: Chicago O'Hare International Airport (ORD) departures can be chilly, while Harry Reid International Airport (LAS) arrivals are typically mild and dry. Bring a light jacket for cool mornings and evenings in Las Vegas, and comfortable walking shoes for sightseeing at Red Rock Canyon or Hoover Dam. Allow extra time for security lines at ORD during event weekends, enroll in TSA PreCheck if you travel frequently, and pre-book rideshares or shuttles from LAS to the Strip to minimize wait times. CTA: Prepare your packing checklist and confirm ground transport now to ensure a smooth October ORD to LAS trip.
Nonstop flight time from Chicago O'Hare International Airport (ORD) to Harry Reid International Airport (LAS) is typically about 4 hours and 10–25 minutes. In October, Chicago remains on Daylight Saving Time while Las Vegas is also on DST, resulting in a 2-hour local time difference (ORD is 2 hours ahead of LAS); check itineraries to confirm arrival times. Morning and early afternoon nonstop departures are common, with evening flights ideal for red-eye or late arrivals. For one-stop options, expect total travel times from about 6 to 8+ hours depending on layover length and routing through hubs like Denver, Phoenix, or Dallas.
To score cheap flights from Chicago O'Hare International Airport (ORD) to Harry Reid International Airport (LAS) in October, search 3–8 weeks ahead and be flexible with travel days. Mid-week departures (Tuesday–Thursday) typically offer the lowest fares; avoid Friday–Sunday peaks when demand spikes for Las Vegas weekend getaways and special events. Use fare alerts, compare nonstop versus one-stop itineraries through hubs like Denver (DEN) or Phoenix (PHX), and check low-cost carriers like Spirit for unbundled fares. CTA: Set a price alert now for ORD to LAS October dates and compare nonstop and connecting options to lock in the best deal.