Affordable Flights from Ontario, CA to Las Vegas

Flights from Ontario, California (ONT) to Las Vegas (LAS) make it convenient for West Coast travelers to reach Sin City without breaking the bank. Ontario → Las Vegas flights offer a range of affordable options suitable for solo trips, family vacations, and weekend getaways.

Round-trip fares usually range from USD 120–$350 depending on airline, season, and how far in advance you book. My Trips Time helps travelers compare airlines and secure the most budget-friendly fares.

Best Time to Book Flights to Las Vegas

Booking **4–6 weeks in advance** usually yields the best fares from ONT → LAS. Traveling during shoulder seasons like spring or fall can help you avoid peak pricing.

Midweek departures (Tuesday–Thursday) tend to be more affordable than weekend flights. Monitoring airline sales and fare alerts ensures you get the best possible deal.

Origin Airport: Ontario International Airport (ONT)

Ontario International Airport (ONT) is a convenient airport in Southern California offering modern facilities, dining options, lounges, and rental car services. With multiple daily flights to Las Vegas, it is a practical choice for travelers seeking both convenience and affordability.

ONT provides both nonstop and connecting flights, making planning easy for West Coast travelers heading to Las Vegas.

Destination Airport: Harry Reid International Airport (LAS)

Landing at LAS places travelers close to the main attractions on the Las Vegas Strip. Efficient transport options such as taxis, shuttles, and rideshares make reaching hotels and resorts quick and easy.

LAS also offers rental car services and modern facilities for a seamless travel experience.

Las Vegas – The Entertainment Capital

Las Vegas is known for its dazzling nightlife, casinos, luxury hotels, fine dining, and world-class shows. Travelers can enjoy both city experiences and outdoor adventures in the surrounding areas.

Major Attractions:

The Las Vegas Strip — iconic resorts and casinos
Fremont Street Experience — neon lights and street shows
Bellagio Fountains — water and light show
High Roller Observation Wheel — city views
Red Rock Canyon — outdoor recreation
Cirque du Soleil shows, concerts, and theaters
Shopping at Fashion Show Mall and The Forum Shops
Nearby attractions: Hoover Dam and Lake Mead

Visitors can also enjoy spa treatments, fine dining, adventure tours, and the vibrant nightlife for a complete Las Vegas experience.

Airlines Flying from Ontario to Las Vegas

Multiple carriers operate ONT → LAS flights, offering nonstop and connecting options for various budgets and schedules.

Southwest Airlines
American Airlines
Spirit Airlines
Delta Air Lines
Frontier Airlines

My Trips Time allows comparison of flight durations, prices, and airline services to select the best travel plan.

Why Book with My Trips Time?

Affordable ONT → LAS fares
Secure and user-friendly booking
Compare multiple airlines and schedules
No hidden fees
Flexible travel options for families, couples, or solo travelers
Real-time fare alerts and tips

Frequently Asked Questions

Nonstop flights typically take around 1.5 hours, while connecting flights may last 2–3 hours depending on layovers.

Yes, multiple airlines offer nonstop flights from ONT to LAS daily.

Southwest, American, Spirit, Delta, and Frontier Airlines operate this route.

Booking 4–6 weeks in advance and flying midweek usually provides the best fares.

Must-see attractions include the Strip, Fremont Street, Bellagio Fountains, High Roller, Red Rock Canyon, shows, casinos, and day trips to Hoover Dam.