From
To

Depart
Return

Adult
Child(2-11)
Infant(0-2)
Close

Ontario

Finding inexpensive airline tickets is now a skill anyone can learn in the era of knowledge and technology. At Scancheapflights, unlock the best fares and make your travel dreams a reality.
*Note: All fares are quoted in USD.
Last updated on Friday 04-17-2026 at 05:00 AM, the fares mentioned above are for flight tickets and inclusive of fuel surcharges, service fee and taxes. Based on historical data, these fares are subject to change without prior notice and cannot be guaranteed at the time of booking. Kindly go through our terms and conditions before booking.

Don't see your travel dates?

Flight prices fluctuate based on real-time availability. Use our search tool above to find the latest fares for your specific departure and return dates.

Search More Deals ↑

Cheap Flight Tickets to Ontario (ONT) – Your Seamless Entry to Southern California

Ontario International Airport (ONT) is the preferred alternative for travelers looking to avoid the heavy congestion of LAX. Located in the heart of the Inland Empire, ONT offers a modern and efficient environment just 35 miles east of downtown Los Angeles. Whether you are visiting for the world-class shopping at Ontario Mills, attending a convention, or heading to the nearby mountain resorts, finding cheap flights to Ontario is simple with the right planning. This guide provides essential tips and route information to help you secure the best ONT flight deals.


1. Book Your Ontario Flight Strategically

As one of the fastest-growing airports in the region, Ontario sees high competition among airlines, which often leads to lower fares for travelers. To land the best rates, aim to book your tickets at least 3 to 5 weeks in advance. For those traveling from Western hubs like Seattle, Denver, or Phoenix, carriers frequently offer promotional fares for midweek departures.

Pro Tip: Late spring and early fall are often the "sweet spot" months for Ontario travel. During these times, airfare averages are lower than the summer peak, and the weather is ideal for exploring regional parks and outdoor attractions.


2. Explore Ontario’s Top Attractions

Ontario is a central hub with a variety of local experiences that highlight the heritage and entertainment of the Inland Empire:


3. Major Airlines and Popular Routes

Ontario is served by every major domestic carrier, including Southwest, American, Delta, United, and Frontier. The airport offers frequent nonstop service to dozens of major hubs:


4. Leverage Regional Airport Alternatives

If you are exploring different parts of Southern California, comparing ONT with nearby regional airports can help you find the most convenient and cost-effective route:


Book Your Ontario Trip with Scancheapflights

At Scancheapflights, we monitor real-time data to bring you the latest ONT flight deals. From flexible fare searches to last-minute discounts, our platform is designed to make your Southern California travel simple and affordable. Book your Ontario flight today and enjoy the convenience of the Inland Empire's premier gateway!

Ontario Travel & Booking FAQ

Q. Does Scancheapflights offer a price match guarantee?

We work tirelessly with our data partners to offer the lowest possible fares on the market, ensuring you get the best value for your money.

Q. How do I contact customer support for my booking?

Our team is available 24/7 via the contact details provided in your confirmation email. We are here to help with any post-booking inquiries.

Q. Why book with Scancheapflights?

Scancheapflights specializes in finding 'hidden' fares. Our current $247 offer for Ontario is a result of our advanced data-scraping technology.

Q. Are baggage fees included in the shown price?

Baggage policies differ between airlines. While some include a checked bag, many low-cost carriers offer it as an add-on to keep the base fare at $247.

Q. Is Ontario a popular destination this year?

Yes, Ontario remains a top-searched destination on our platform due to its competitive pricing and the 8 different routes available.

Q. Can I change my flight after I book it?

Modification policies vary by carrier. We recommend reviewing the 'Fare Rules' during checkout to see if your chosen $247 deal is refundable or changeable.

Q. How do I find the best flight deals to Ontario?

Searching across various carriers on our platform is the most reliable method to secure the $247 lead-in price for your trip to Ontario.

Q. How can I save money on last-minute flights?

Flexibility is key. Our engine allows you to compare last-minute availability across all 8 routes to find the absolute lowest remaining fare.