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

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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 April , May 2026

30 Apr - 07 May $ 185.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
13 Apr - 06 May $ 217.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
07 Apr - 09 May $ 275.00
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

28 Apr - 30 Apr $ 159.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
13 Apr - 30 Apr $ 217.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
07 Apr - 30 Apr $ 372.00
ONT
Ontario
Alaska Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Alaska Airlines
1 STOPS
ONT
Ontario
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One-way flights to Atlanta from Ontario

9:20 PM - 11:39 PM
Frontier Airlines
1 Stops
6h 27m
ONT - ATL
$ 80
Kiwi
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7:35 PM - 7:00 AM
Frontier Airlines
1 Stops
11h 56m
ONT - ATL
$ 131
Kiwi
Pick dates
9:26 PM - 11:46 PM
Frontier Airlines
1 Stops
6h 28m
ONT - ATL
$ 135
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.