
American Airlines flights to Ontario from $159*
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1 Adult, Economy class
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today
today
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.

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.