American Airlines flights to Ontario from $159*

Popular flights to Ontario on American Airlines

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*Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.

American Airlines flights to Ontario from **Flights.FromLowestPrice***

Find deals on flights to Ontario

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Dallas (DFW)to

Ontario (ONT)
07/22/25 - 07/29/25

Round trip

I

Economy

from
$209Fare subject to changes
Updated: 45 minutes ago

Phoenix (PHX)to

Ontario (ONT)
06/27/25 - 06/30/25

Round trip

I

Economy

from
$177Fare subject to changes
Updated: 5 hours ago

Charlotte (CLT)to

Ontario (ONT)
08/01/25 - 08/08/25

Round trip

I

Economy

from
$397Fare subject to changes
Updated: 10 minutes ago

Philadelphia (PHL)to

Ontario (ONT)
06/24/25 - 07/01/25

Round trip

I

Economy

from
$325Fare subject to changes
Updated: 12 minutes ago

Miami (MIA)to

Ontario (ONT)
06/25/25 - 07/02/25

Round trip

I

Economy

from
$299Fare subject to changes
Updated: 2 minutes ago

Chicago (ORD)to

Ontario (ONT)
08/12/25 - 08/19/25

Round trip

I

Economy

from
$247Fare subject to changes
Updated: 20 minutes ago

*Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.