Atlanta to Ontario
ATLONT
Fly from Atlanta to Ontario starting at USD 86 with Frontier Airlines.
Best fare available on May 23, 2026.
Limited seats. Better plans. Book before it's gone.
Atlanta to Ontario cheapest flights this week
Atlanta to Ontario monthly flight fare trend
May
from USD 86
Jun
No flights
Jul
from USD 133
Aug
No flights
Sep
No flights
Oct
No flights
Airport Details
Origin
Atlanta
Hartsfield Jackson Atlanta International Airport (ATL)
Atlanta, ATL
Zone
New York
Elev
1026 ft
Destination
Ontario
Ontario International Airport (ONT)
Ontario, ONT
Zone
Los Angeles
Elev
944 ft
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