$404 Cheap Delta flights Atlanta (ATL) to Ontario (ONT)

View $404 flight on Fri, Feb 27, 2026Opens in a new window

$404 Cheap Delta flights Atlanta (ATL) to Ontario (ONT)

Prices were available within the past 7 days and start at $404 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Atlanta (ATL) to Ontario (ONT)

February is typically the cheapest month to fly

From $134 - $399 per traveler.

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Los Angeles - Ontario Intl. ONT. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $195
ONT
Los Angeles - Ontario Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $195
Flights from Atlanta (ATL) to Ontario (ONT)
Origin airport
Hartsfield-Jackson Atlanta Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Frontier Airlines
Popular airline
Frontier Airlines
Distance
3029 km
Average flight time
2 hours 39 mins