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

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0 Children (2~11)
0 Infants (0~2)
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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 - 06 May $ 276.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
30 Apr - 28 May $ 316.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
29 Apr - 20 May $ 844.00
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

29 Apr - 01 May $ 362.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
29 Apr - 01 May $ 417.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
29 Apr - 30 Apr $ 1,412.00
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

5:43 PM - 1:00 PM
Frontier Airlines
1 Stops
21h 30m
ONT - ATL
$ 151
Kiwi
Pick dates
8:56 AM - 4:06 PM
Frontier Airlines
1 Stops
7h 33m
ONT - ATL
$ 211
Kiwi
Pick dates
6:05 AM - 11:55 AM
United Airlines
1 Stops
5h 56m
ONT - ATL
$ 709
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.