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Find Flight Deals from Atlanta Hartsfield-Jackson to Ontario (ATL - ONT)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Atlanta Hartsfield-Jackson to Ontario

(Round-trip)
Depart: Sat May 16 2015 Return: Tue May 19 2015 Trip spans 4 days
American Airlines
American Airlines
ATL
3:45a
ONT
10:33a
6h 48m
1 stop
ONT
6:55a
ATL
1:17p
6h 22m
1 stop
Depart: Wed May 20 2015 Return: Sat May 23 2015 Trip spans 4 days
US Airways
US Airways
ATL
4:40p
ONT
10:53p
6h 13m
1 stop
ONT
2:05a
ATL
8:08a
6h 03m
1 stop
Depart: Tue May 19 2015 Return: Sat May 23 2015 Trip spans 5 days
American Airlines
American Airlines
ATL
2:30a
ONT
9:05a
6h 35m
1 stop
ONT
8:35a
ATL
2:45p
6h 10m
1 stop
Depart: Sat May 23 2015 Return: Sun May 24 2015 Trip spans 2 days
American Airlines
American Airlines
ATL
3:25p
ONT
10:20p
6h 55m
1 stop
ONT
8:35a
ATL
2:45p
6h 10m
1 stop
Depart: Wed May 27 2015 Return: Tue Jun 2 2015 Trip spans 7 days
American Airlines
American Airlines
ATL
5:29a
ONT
12:34p
7h 05m
1 stop
ONT
6:55a
ATL
3:13p
8h 18m
1 stop
Depart: Tue Jun 16 2015 Return: Tue Jun 23 2015 Trip spans 8 days
American Airlines
American Airlines
ATL
4:55p
ONT
10:57p
6h 02m
1 stop
ONT
3:25p
ATL
11:20p
7h 55m
1 stop
Depart: Wed Jun 17 2015 Return: Tue Jun 23 2015 Trip spans 7 days
US Airways
US Airways
ATL
4:55p
ONT
10:57p
6h 02m
1 stop
ONT
3:25p
ATL
11:20p
7h 55m
1 stop
Depart: Tue Jun 23 2015 Return: Wed Jun 24 2015 Trip spans 2 days
American Airlines
American Airlines
ATL
4:55p
ONT
10:57p
6h 02m
1 stop
ONT
5:45p
ATL
11:20p
5h 35m
1 stop
Depart: Wed Jul 8 2015 Return: Tue Jul 14 2015 Trip spans 7 days
US Airways
US Airways
ATL
4:55p
ONT
10:57p
6h 02m
1 stop
ONT
3:25p
ATL
11:25p
8h 00m
1 stop
Depart: Tue Jul 21 2015 Return: Tue Aug 4 2015 Trip spans 15 days
US Airways
US Airways
ATL
4:55p
ONT
10:57p
6h 02m
1 stop
ONT
5:45p
ATL
11:25p
5h 40m
1 stop
Depart: Wed Jul 22 2015 Return: Tue Aug 4 2015 Trip spans 14 days
US Airways
US Airways
ATL
4:55p
ONT
10:57p
6h 02m
1 stop
ONT
5:45p
ATL
11:25p
5h 40m
1 stop
Depart: Thu May 28 2015 Return: Tue Jun 2 2015 Trip spans 6 days
American Airlines
American Airlines
ATL
5:29a
ONT
12:34p
7h 05m
1 stop
ONT
6:55a
ATL
3:13p
8h 18m
1 stop
Depart: Fri May 29 2015 Return: Tue Jun 2 2015 Trip spans 5 days
American Airlines
American Airlines
ATL
4:20a
ONT
12:34p
8h 14m
1 stop
ONT
6:55a
ATL
3:13p
8h 18m
1 stop
Depart: Sat May 30 2015 Return: Tue Jun 2 2015 Trip spans 4 days
American Airlines
American Airlines
ATL
4:20a
ONT
12:34p
8h 14m
1 stop
ONT
6:55a
ATL
3:13p
8h 18m
1 stop
Depart: Wed Aug 12 2015 Return: Mon Aug 17 2015 Trip spans 6 days
American Airlines
American Airlines
ATL
4:55p
ONT
10:57p
6h 02m
1 stop
ONT
2:25a
ATL
8:55a
6h 30m
1 stop
Depart: Thu Aug 20 2015 Return: Wed Aug 26 2015 Trip spans 7 days
American Airlines
American Airlines
ATL
1:55p
ONT
8:05p
6h 10m
1 stop
ONT
8:59p
ATL
3:36a
6h 37m
1 stop
Depart: Sat Jun 20 2015 Return: Tue Jun 23 2015 Trip spans 4 days
American Airlines
American Airlines
ATL
2:20a
ONT
9:12a
6h 52m
1 stop
ONT
5:45p
ATL
11:20p
5h 35m
1 stop
Depart: Sat Jul 4 2015 Return: Fri Jul 10 2015 Trip spans 7 days
American Airlines
American Airlines
ATL
4:15a
ONT
10:31a
6h 16m
1 stop
ONT
8:55p
ATL
3:34a
6h 39m
1 stop
Depart: Wed Oct 7 2015 Return: Wed Oct 14 2015 Trip spans 8 days
United
United
ATL
3:30a
ONT
1:38p
10h 08m
1 stop
ONT
6:40a
ATL
4:37p
9h 57m
1 stop
Depart: Fri Jun 5 2015 Return: Tue Jun 9 2015 Trip spans 5 days
Delta
Delta
ATL
1:35p
ONT
9:41p
8h 06m
1 stop
ONT
2:15a
ATL
8:35a
6h 20m
1 stop
Airports
Origin

Atlanta
$379
Destination

Ontario
$379