Affordable Flights from Ontario to Las Vegas

Planning a quick getaway from Ontario, California (ONT) to Las Vegas (LAS) is simple and affordable. With multiple airlines offering nonstop and connecting flights, travelers can enjoy budget-friendly airfare while experiencing the excitement and entertainment of Sin City.

Average round-trip fares range between USD 120–$350 depending on season, airline, and booking time. Using My Trips Time, you can compare fares, check schedules, and secure the best deals for your Las Vegas adventure.

Best Time to Book Flights to Las Vegas

The ideal time to book ONT → LAS flights is **4–6 weeks in advance**. Traveling during the spring (March–May) or fall (September–November) often results in lower fares and fewer crowds.

Midweek departures (Tuesday–Thursday) are generally cheaper than weekend flights, and keeping an eye on airline sales ensures you snag the most cost-effective tickets.

Origin Airport: Ontario International Airport (ONT)

Ontario International Airport (ONT) is a convenient airport in Southern California with modern amenities, lounges, and rental car options. Travelers can easily access multiple airlines offering nonstop and connecting flights to Las Vegas.

With efficient terminals and traveler-friendly services, ONT makes it simple to start your Las Vegas journey smoothly.

Destination Airport: Harry Reid International Airport (LAS)

Landing at LAS places travelers close to the Las Vegas Strip and other major attractions. Efficient transport options like taxis, shuttles, and rideshares make getting to hotels and resorts straightforward.

LAS offers modern facilities, car rentals, and quick access to Las Vegas' entertainment and nightlife.

Las Vegas – Entertainment Capital of the World

Las Vegas is famous for its dazzling entertainment, casinos, luxury resorts, world-class dining, and nightlife. From the Strip to nearby natural attractions, Las Vegas offers something for everyone.

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 and hiking
Cirque du Soleil shows and concerts
Shopping at Fashion Show Mall and The Forum Shops
Nearby: Hoover Dam and Lake Mead excursions

Visitors can enjoy spa treatments, adventure tours, nightlife, and cultural experiences for a complete Las Vegas getaway.

Airlines Flying from Ontario to Las Vegas

Airlines offering flights from ONT to LAS include a mix of budget and full-service carriers, providing flexible options for travelers.

Southwest Airlines
American Airlines
Spirit Airlines
Delta Air Lines
Frontier Airlines

Compare flights on My Trips Time to choose the best route, fare, and schedule for your Las Vegas trip.

Why Book with My Trips Time?

Cheap ONT → LAS airfare
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Compare multiple airlines and schedules
No hidden fees
Flexible travel options for families, couples, and solo travelers
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Frequently Asked Questions

Nonstop flights typically take about 1.5 hours; connecting flights may take 2–3 hours.

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

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

Book 4–6 weeks in advance and travel midweek for the best fares.

Top attractions include the Strip, Fremont Street, Bellagio Fountains, High Roller, Red Rock Canyon, shows, and nearby Hoover Dam.