Other Destinations
Ontario (ONT) to Orlando (MCO) in September from $436
From $436
Ontario (ONT) to San Antonio (SAT) in October from $72
From $72
Ontario (ONT) to San Jose (SJC) in October from $93
From $93
Ontario (ONT) to San Francisco (SFO) in October from $146
From $146
Ontario (ONT) to Richmond (RIC) in October from $337
From $337
Ontario (ONT) to Guadalajara (GDL) in October from $419
From $419
Flights from Other Cities
Dallas (DFW) to Las Vegas (LAS) in September from $88
From $88
Philadelphia (PHL) to Las Vegas (LAS) in September from $164
From $164
Albuquerque (ABQ) to Las Vegas (LAS) in September from $166
From $166
Austin (AUS) to Las Vegas (LAS) in September from $168
From $168
Minneapolis (Any) to Las Vegas (LAS) in September from $173
From $173
Cincinnati (CVG) to Las Vegas (LAS) in September from $185
From $185
✈️ Flight Guide: Ontario (ONT) → Las Vegas (LAS)
Complete travel information for your September journey
September is a favorable month to fly from Ontario International Airport (ONT) to Harry Reid International Airport (LAS). Midweek fares tend to be lower after Labor Day, with average round-trip prices often reduced compared to summer peak months. Travelers from the Inland Empire and nearby major cities—Los Angeles, Riverside, San Bernardino, Anaheim, and Palm Springs—use ONT as a convenient alternative to LAX for quick Vegas getaways. Ground transport: rideshares and short-term parking are most convenient; Metrolink + shuttle options serve budget travelers. Airport tip: reserve parking and check-in online to save time. Book early for holiday weekends and use fare alerts to find cheap ONT to LAS flights. CTA: Search flights now to lock in the best September ONT to LAS deals.
Departing from Ontario (ONT) FAQs
Nonstop flights from Ontario International Airport (ONT) to Harry Reid International Airport (LAS) typically take about 1 hour and 10 minutes to 1 hour and 25 minutes. In September, favorable seasonal winds usually keep average flight times within that window; always check the airline schedule for live updates and plan for an extra 30–60 minutes for boarding and taxiing.
Options to reach Ontario International Airport (ONT) include rideshare (Uber/Lyft), airport shuttles, Metrolink trains to the nearby Ontario–Downtown station plus shuttle, and driving with long-term parking. In September, traffic can be lighter on midweek mornings but busier around Labor Day weekend, so leave extra time and book airport parking or shuttles in advance for the best fares.
Yes, several carriers operate nonstop flights between Ontario International Airport (ONT) and Harry Reid International Airport (LAS) year-round, including budget and legacy airlines. In September you’ll often find increased midweek frequencies and competitive fares—search and book early to lock in the best nonstop ONT to LAS flights.
Baggage allowances vary by airline, fare class, and whether you book basic economy. Expect carry-on allowances to be standard but check fees for checked bags on low-cost carriers; in September, many travelers pack light for Las Vegas city trips and poolside evenings. Confirm baggage size and fee details on your airline’s site before arriving at ONT to avoid surprises.
September at ONT is generally moderate—busiest around Labor Day weekend and university start dates in the Inland Empire. For domestic ONT to LAS flights, arrive at least 90 minutes before departure; for peak days or if checking bags, allow 2 hours. Use online check-in and mobile boarding passes to streamline airport processing.
Yes—September often brings off-peak discounts, especially midweek after Labor Day. Use fare-compare tools, sign up for airline alerts, and check budget carriers that serve ONT for promotional sales. Book early for holiday weekends and consider flexible dates to score cheap ONT to LAS flights.
Arriving at Harry Reid International Airport (LAS) in September provides a comfortable gateway to the Las Vegas Strip and nearby destinations like Henderson, North Las Vegas, and Boulder City. Expect warm daytime temperatures and fewer crowds midweek after Labor Day, which can mean better hotel and transfer rates. For quick access to hotels, use rideshares or pre-booked shuttle services; if you’re renting a car, compare multiple vendors to secure the best September rate. CTA: Book airport transfers and hotels early to take advantage of lower September prices on Las Vegas stays.
Arriving at Las Vegas (LAS) FAQs
The fastest options from Harry Reid International Airport (LAS) to the Las Vegas Strip are rideshare services (Uber/Lyft), airport taxis, and private shuttles, typically taking 10–20 minutes depending on traffic. In September, evenings may be busier due to events and conventions, so consider pre-booking a shuttle for group travel or using app-based rides for the best rates.
For domestic flights from ONT, baggage claim at Harry Reid International Airport (LAS) is straightforward—collect checked bags at the domestic carousel and follow signs to ground transportation. There is no customs/immigration for domestic U.S. flights. In September, baggage waits are usually normal, but allow 20–40 minutes after arrival during busy periods like Labor Day weekend.
Yes—major car rental companies operate on-site and via shuttle at Harry Reid International Airport (LAS), with counters and pickup areas clearly signed. September often brings slightly lower rates compared with summer peak, but prices can spike around large conventions or holiday weekends; book early for the best September rental deals.
Yes—Harry Reid International Airport (LAS) is a hub for flights and ground travel to nearby destinations such as Henderson, North Las Vegas, Boulder City, Los Angeles, Phoenix, and Salt Lake City. Many travelers use LAS as a gateway to Southern Nevada attractions (Hoover Dam, Lake Mead) and Southwest road trips. Check connecting flight schedules and regional bus services for onward travel.
September in Las Vegas is warm with daytime highs often in the 80s–90s°F (27–35°C); evenings cool down, making it pleasant for walking the Strip. For arrivals, stay hydrated and plan outdoor activities for early morning or evening. Hotel pool season extends into September, but some hotels reduce pool services after Labor Day.
Harry Reid International Airport (LAS) has several lounges, dining options, and shopping in both terminals; some lounges offer day passes that can be useful for travelers with long layovers. In September, many lounges are comfortable spots to plan your Las Vegas itinerary—check lounge access policies with your airline or credit card issuer.
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September Events & Festivals in Las Vegas — Travel from Ontario International Airport (ONT)
September in Las Vegas features a range of events including music festivals, conventions, and holiday weekend activities around Labor Day, which can raise demand on flights from Ontario International Airport (ONT). Midweek in September is often calmer, but when major conventions or festivals occur, expect higher fares and fuller hotels. Always check local event calendars and the Las Vegas Convention and Visitors Authority for specific dates before booking. CTA: Check event dates and adjust your ONT to LAS travel plans to avoid premium pricing during major September events.
Best Time to Fly from Ontario International Airport (ONT) to Harry Reid International Airport (LAS) — September Advice
For September travel from Ontario International Airport (ONT) to Harry Reid International Airport (LAS), the best time to fly is midweek (Tuesday–Thursday) when fares are typically lower and airports are less crowded. Avoid Labor Day weekend if possible unless you book well in advance, as prices and hotel rates spike. Early September mornings often offer the best combination of value and convenience. CTA: Use a flexible date search to pinpoint the cheapest September departure for your ONT to LAS trip.
Nonstop vs Connecting Flights — Ontario International Airport (ONT) to Harry Reid International Airport (LAS)
Nonstop ONT to LAS flights save time—usually about 1 hour 15 minutes of flight time—making them ideal for short weekend trips or business travel in September. Connecting flights may be cheaper on some dates, but add transfer risk and longer total travel time. If you value speed and reliability, choose nonstop; if you need the lowest fare and have flexibility, compare 1-stop options. CTA: Compare nonstop and connecting ONT to LAS routes for your September travel dates to decide which fits your priorities.
Airline Comparison for ONT to LAS Flights in September
On the ONT to LAS route, travelers can choose from low-cost carriers and major airlines; low-cost carriers often offer the lowest base fares but add baggage and seat-selection fees, while legacy airlines provide more inclusive bundles and loyalty program benefits. In September, check frequency and total cost (including baggage) before booking. If you need flexibility, prioritize airlines with free changes or refundable options. CTA: Compare total trip costs across carriers for September ONT to LAS travel to select the best value.
Seasonal Travel Tips for ONT to LAS in September
Packing and timing: September days in Las Vegas are warm—pack light clothing for daytime and a light layer for cooler evenings. Avoid peak travel on Labor Day weekend if possible for better fares and hotel availability. If you plan pool time, check hotel pool season schedules as some properties scale back services after early September. For smooth airport experience, check-in online, use mobile boarding passes at ONT, and pre-book transfers from Harry Reid International Airport (LAS). CTA: Prepare your itinerary and book transfers and hotels early for a stress-free September trip from Ontario to Las Vegas.
ONT to LAS Flight Times & Schedules — September Guide
Typical nonstop flight time from Ontario International Airport (ONT) to Harry Reid International Airport (LAS) ranges from 1 hour 10 minutes to 1 hour 30 minutes. In September, airlines often maintain steady daily frequencies with additional flights over holiday weekends. Early morning and late evening slots can fill up quickly; if you prefer shorter airport wait times, pick nonstop mid-morning departures. For precise schedules, check official airline timetables and ONT/LAS real-time flight boards before booking. CTA: View live ONT to LAS schedules and pick the best flight time for your September trip.
Cheap Flights from Ontario International Airport (ONT) to Harry Reid International Airport (LAS) in September
To secure cheap Ontario International Airport (ONT) to Harry Reid International Airport (LAS) flights in September, use fare comparison engines and set price alerts for flexible dates. Midweek departures after Labor Day typically yield the lowest fares; consider early-morning or late-evening flights for additional savings. Low-cost carriers and flash sales can cut costs significantly—subscribe to airline newsletters and follow social media deal alerts. Also compare flying from nearby airports (Los Angeles LAX, John Wayne SNA) if price differences offset added travel time. CTA: Run a price search now for cheap ONT to LAS September flights and activate fare alerts to lock in deals.