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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 March , April 2026

25 Mar - 18 Apr $ 230.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
09 Mar - 08 Apr $ 321.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
11 Mar - 07 Apr $ 521.00
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

25 Mar - 31 Mar $ 236.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
09 Mar - 01 Apr $ 321.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
11 Mar - 31 Mar $ 332.00
ONT
Ontario
Frontier Airlines
1 STOPS
ATL
Atlanta
ATL
Atlanta
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates

One-way flights to Atlanta from Ontario

10:03 PM - 11:59 PM
Frontier Airlines
1 Stops
6h
ONT - ATL
$ 115
Kiwi
Pick dates
9:40 PM - 11:59 PM
Frontier Airlines
1 Stops
6h 23m
ONT - ATL
$ 200
Kiwi
Pick dates
10:03 PM - 11:59 PM
Frontier Airlines
1 Stops
6h
ONT - ATL
$ 211
Kiwi
Pick dates

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

Related info for your journey
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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)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.