$409 Cheap American Airlines flights Atlanta (ATL) to Ontario (ONT)

View $409 flight on Fri, Dec 26, 2025Opens in a new window

$409 Cheap American Airlines flights Atlanta (ATL) to Ontario (ONT)

Prices were available within the past 7 days and start at $409 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Atlanta (ATL) to Ontario (ONT)
Origin airport
Hartsfield-Jackson Atlanta Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Popular airline
United
Distance
3029 km
Average flight time
2 hours 22 mins