Direct flights from Atlanta to Ontario ATL → ONT
Delta Air Lines operates nonstop flights from Atlanta (ATL) to Ontario (ONT). The nonstop flight takes around ~3h 49m, covering 1,895 miles (3,050 km) and operates daily. Updated 28 June 2026.
ATL
→
ONT
Round trip
1 adult
Economy
Pick dates
📬 Cheap nonstop deals from Atlanta
We'll email you when a fare from ATL drops well below normal. Free, weekly, no password needed.
Free · weekly digest · no password needed
Delta Air Lines
DL
Departure Schedule next 7 days
Sign up to see Ontario schedule from ATL
Already have an account? Sign in
Frequently asked questions
Is there a direct flight from Atlanta to Ontario?
Yes, Delta Air Lines operates nonstop flights from Atlanta (ATL) to Ontario (ONT).
Which airlines fly direct from Atlanta to Ontario?
Delta Air Lines operates nonstop flights from Atlanta to Ontario.
How long is the flight from Atlanta to Ontario?
The nonstop flight from Atlanta to Ontario takes ~3h 49m (approximately 3050 km).
How often do direct flights operate from Atlanta to Ontario?
Nonstop flights from Atlanta to Ontario operate daily.