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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 July , August 2026

30 Jul - 15 Aug $ 357.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
30 Jul - 08 Aug $ 424.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
30 Jul - 10 Aug $ 424.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
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Last minute flights from Ontario to Atlanta

30 Jul - 31 Jul $ 468.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
30 Jul - 31 Jul $ 504.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
24 Jul - 31 Jul $ 899.00
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

8:17 AM - 4:16 PM
Frontier Airlines
1 Stops
8h 33m
ONT - ATL
$ 231
Kiwi
Pick dates
9:32 AM - 8:02 PM
Frontier Airlines
1 Stops
10h 52m
ONT - ATL
$ 237
Kiwi
Pick dates
8:17 AM - 4:16 PM
Frontier Airlines
1 Stops
8h 33m
ONT - ATL
$ 241
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.