Cheap flights from Atlanta to Ontario, CA

Travel > North America > United States > Atlanta to Ontario, CA flights

Check our current prices for flights from Atlanta to Ontario, CA. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Atlanta to Ontario, CA, you will need to run a search below.

Search and Compare cheap Flights

Enter your travel details:Step 1

Flight only
Flight + HotelSave up to 30% on vacations

From (city or airport):
Rooms: 1 2 3 4 5 6
Travelers: 1 2 3 4 5 6
To (city or airport):
Depart (mm/dd/yyyy):
Return (mm/dd/yyyy):
Weekly newsletter (optional)

Select merchants to compare:Step 2

 

From $158 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Ontario airfares from $158/RT are provided by Cheapoair.com. Outbound flight is leaving on 01/29/2025, 07:26 am from Atlanta Hartsfield (ATL) airport and arrives at Ontario Int`l (ONT) at 07:06 am. The flight time is -1 hours and -20 minutes. The Returning flight departes on 02/09/2025, 01:50 pm (other return dates are also available). Date posted: 15 Dec 2024

Price evolution for flights From Atlanta To Ontario, CA

Recent Deals on Flights from Atlanta to Ontario, CA:Roundtrip / Oneway

• $158 Frontier Airlines 

  From	To	Departure	Time
  Atlanta, GA (ATL)	Ontario, CA (ONT)	01/29/2025	07:26 am
  Ontario, CA (ONT)	Atlanta, GA (ATL)	02/09/2025	01:50 pm

  cheapoair.com check price
• $164 Frontier Airlines 

  From	To	Departure	Time
  Atlanta, GA (ATL)	Ontario, CA (ONT)	02/26/2025	11:00 am
  Ontario, CA (ONT)	Atlanta, GA (ATL)	03/11/2025	12:59 am

  cheapoair.com check price
• $176 Multiple Airlines 

  From	To	Departure	Time
  Atlanta, GA (ATL)	Ontario, CA (ONT)	02/11/2025	12:43 pm
  Ontario, CA (ONT)	Atlanta, GA (ATL)	02/18/2025	03:02 pm

  cheapoair.com check price
• $214 Frontier Airlines 

  From	To	Departure	Time
  Atlanta, GA (ATL)	Ontario, CA (ONT)	02/11/2025	12:43 pm
  Ontario, CA (ONT)	Atlanta, GA (ATL)	02/18/2025	12:59 am

  cheapoair.com check price
• $248 Frontier Airlines 

  From	To	Departure	Time
  Atlanta, GA (ATL)	Ontario, CA (ONT)	02/06/2025	07:26 am
  Ontario, CA (ONT)	Atlanta, GA (ATL)	02/11/2025	07:45 am

  cheapoair.com check price
• $75 Frontier Airlines 

  From	To	Departure	Time
  Atlanta, GA (ATL)	Ontario, CA (ONT)	01/29/2025	07:26 am

  cheapoair.com check price
• $75 Frontier Airlines 

  From	To	Departure	Time
  Atlanta, GA (ATL)	Ontario, CA (ONT)	02/22/2025	11:30 am

  cheapoair.com check price
• $96 Frontier Airlines 

  From	To	Departure	Time
  Atlanta, GA (ATL)	Ontario, CA (ONT)	02/23/2025	10:25 pm

  cheapoair.com check price
• $101 Frontier Airlines 

  From	To	Departure	Time
  Atlanta, GA (ATL)	Ontario, CA (ONT)	03/25/2025	09:23 pm

  cheapoair.com check price