Book flights american — Ontario, CA

Last updated: September 24, 2026

What affects the price

Flight pricing shifts constantly based on a few key factors. When you book your seat matters most, as last-minute tickets often come at a premium compared to planning ahead. The day of the week you choose and the specific time of your departure can also swing the total, as weekend flights are generally pricier than those mid-week. Demand during peak travel periods inevitably pushes costs higher, while flexible itineraries often reveal better deals. Get exact pricing confirmed free on the call.

About this service

This is a direct way to lock in travel on American Airlines. You would need this service whenever you have confirmed your travel dates and are ready to finalize your itinerary. Since ticket prices often rise as the departure date gets closer, booking early is usually helpful. To explore the best routes for your trip, exact pricing confirmed free on the call.

Frequently asked in Ontario

Also serving nearby: Chino · Rancho Cucamonga · Jurupa Valley · Pomona · Fontana

All cities in California →

More on this: DOT Aviation Consumer Protection — refund rights and the 24-hour rule.

Service area details

Serving all of Ontario — population 182,457; about 3,650 residents per square mile across 50.0 sq mi. ZIP codes covered include 91758, 91761, 91762, 91764.

Neighborhoods served in Ontario: Downtown Ontario, Eastvale, Montclair, Norco, Chino Hills, Rancho Cucamonga — and every surrounding area.