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Cheap flights from Ontario (ONT) to Atlanta (ATL)

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0 Children (2~11)
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How to find the cheapest flight from Ontario (ONT) to Atlanta (ATL)

How to find the cheapest flight from Ontario (ONT) to Atlanta (ATL)
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How to find the cheapest flight from Ontario (ONT) to Atlanta (ATL)
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How to find the cheapest flight from Ontario (ONT) to Atlanta (ATL)
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Cheap flights from Ontario to Atlanta in September , October 2026

30 Sep - 27 Oct $ 356.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
30 Sep - 08 Oct $ 539.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
29 Sep - 18 Oct $ 875.00
ONT
Ontario
United Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
United Airlines
1 STOPS
ONT
Ontario
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Last minute flights from Ontario to Atlanta

30 Sep - 30 Sep $ 539.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
30 Sep - 01 Oct $ 545.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
29 Sep - 30 Sep $ 1,488.00
ONT
Ontario
United Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
United Airlines
1 STOPS
ONT
Ontario
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One-way flights to Atlanta from Ontario

6:15 AM - 12:24 PM
Frontier Airlines
1 Stops
8h 16m
ONT - ATL
$ 270
Kiwi
Pick dates
5:44 PM - 10:04 PM
Frontier Airlines
1 Stops
8h 16m
ONT - ATL
$ 276
Kiwi
Pick dates
11:45 AM - 7:10 PM
Frontier Airlines
1 Stops
9h 25m
ONT - ATL
$ 276
Kiwi
Pick dates

How to find the cheapest flight from Ontario (ONT) to Atlanta (ATL)

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How to find the cheapest flight from Ontario (ONT) to Atlanta (ATL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Ontario (ONT) to Atlanta (ATL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.