Cheap Flights from Ontario to Las Vegas

Discover affordable flights from Ontario to Las Vegas, offering US travelers quick access to the city’s casinos, shows, and entertainment. Nonstop or connecting flights are available daily, making planning easy and convenient.

Fares generally start around USD 100–230 for round trips. Use My Trips Time to compare airlines, view schedules, and secure the best Ontario to Las Vegas airfare.

Best Time to Book Ontario to Las Vegas Flights

Booking 4–6 weeks in advance is recommended for the lowest fares. Mid-week departures and traveling during off-peak seasons like February, March, and September are ideal.

My Trips Time’s comparison tools and fare alerts help US travelers lock in the best prices for Ontario to Las Vegas flights.

Ontario International Airport (ONT)

Ontario International Airport is a modern hub in Southern California with excellent facilities and multiple airlines. Travelers can enjoy nonstop flights or connecting flights to Las Vegas, making it a convenient departure point for US passengers.

Harry Reid International Airport (LAS)

LAS is Las Vegas’s main airport, located just minutes from the Strip and downtown. With taxi, rideshare, shuttle, and car rental options available, arriving at LAS allows for a seamless start to your Las Vegas adventure.

Las Vegas – US Entertainment Capital

Las Vegas is famed for its vibrant nightlife, world-class shows, luxury casinos, and dining experiences. Travelers from Ontario can explore entertainment, outdoor activities, and unique attractions in this energetic city.

Major Attractions:

The Las Vegas Strip – casinos, resorts, and live entertainment
Fremont Street Experience – neon lights, street performers, and live shows
Hoover Dam – iconic nearby landmark
Red Rock Canyon – outdoor hiking, biking, and scenic vistas
Bellagio Fountains & Conservatory – world-famous displays
High Roller Observation Wheel – panoramic views of the city
Live shows, concerts, nightlife, and top dining experiences

In addition to entertainment, visitors can enjoy day trips to natural sites, golfing, spa resorts, shopping, and a variety of culinary adventures.

Airlines Flying Ontario to Las Vegas

A range of major airlines operate flights from ONT to LAS, offering both nonstop and connecting options for maximum flexibility and convenience.

Southwest Airlines
Spirit Airlines
American Airlines
Delta Air Lines
Alaska Airlines

Why Book with My Trips Time?

Compare multiple airlines to get the best price
Secure and user-friendly booking platform
Real-time fare alerts and notifications
Flexible options for nonstop or connecting flights
Transparent pricing with no hidden fees
Ideal for weekend or extended trips to Las Vegas

Frequently Asked Questions

Nonstop flights take about 1 hour 45 minutes to 2 hours, while connecting flights may vary depending on layover duration.

Southwest, Spirit, American, Delta, and Alaska Airlines offer flights from ONT to LAS.

Yes, multiple airlines provide daily nonstop flights for convenience and shorter travel time.

Booking 4–6 weeks in advance and choosing mid-week flights often yields the lowest fares.

Yes, My Trips Time allows one-way or round-trip bookings depending on your travel needs.