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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: Tue Apr 14 2015 Return: Tue Apr 21 2015 Trip spans 8 days
American Airlines
American Airlines
ATL
7:40a
ONT
2:38p
6h 58m
1 stop
ONT
6:55a
ATL
2:47p
7h 52m
1 stop
Depart: Tue Apr 21 2015 Return: Mon Apr 27 2015 Trip spans 7 days
American Airlines
American Airlines
ATL
2:30a
ONT
9:07a
6h 37m
1 stop
ONT
8:35a
ATL
2:45p
6h 10m
1 stop
Depart: Wed Apr 22 2015 Return: Mon Apr 27 2015 Trip spans 6 days
American Airlines
American Airlines
ATL
2:30a
ONT
9:07a
6h 37m
1 stop
ONT
8:35a
ATL
2:45p
6h 10m
1 stop
Depart: Tue May 5 2015 Return: Tue May 12 2015 Trip spans 8 days
American Airlines
American Airlines
ATL
2:30a
ONT
9:07a
6h 37m
1 stop
ONT
2:05a
ATL
8:08a
6h 03m
1 stop
Depart: Sat Apr 18 2015 Return: Mon Apr 20 2015 Trip spans 3 days
United
United
ATL
2:34a
ONT
9:20a
6h 46m
1 stop
ONT
3:18p
ATL
11:28p
8h 10m
1 stop
Depart: Sat Apr 25 2015 Return: Sat May 2 2015 Trip spans 8 days
United
United
ATL
2:34a
ONT
9:20a
6h 46m
1 stop
ONT
2:00a
ATL
7:53a
5h 53m
1 stop
Depart: Sat May 2 2015 Return: Tue May 12 2015 Trip spans 11 days
United
United
ATL
2:34a
ONT
9:20a
6h 46m
1 stop
ONT
4:39p
ATL
11:24p
6h 45m
1 stop
Depart: Sat May 9 2015 Return: Tue May 19 2015 Trip spans 11 days
United
United
ATL
2:25a
ONT
10:30a
8h 05m
1 stop
ONT
3:17p
ATL
11:24p
8h 07m
1 stop
Depart: Tue May 12 2015 Return: Tue May 19 2015 Trip spans 8 days
American Airlines
American Airlines
ATL
2:15a
ONT
8:57a
6h 42m
1 stop
ONT
10:15a
ATL
4:35p
6h 20m
1 stop
Depart: Wed May 13 2015 Return: Wed May 20 2015 Trip spans 8 days
American Airlines
American Airlines
ATL
2:15a
ONT
8:57a
6h 42m
1 stop
ONT
10:15a
ATL
4:35p
6h 20m
1 stop
Depart: Fri May 15 2015 Return: Sun May 24 2015 Trip spans 10 days
United
United
ATL
3:32a
ONT
11:17a
7h 45m
1 stop
ONT
3:00a
ATL
11:40a
8h 40m
1 stop
Depart: Wed May 20 2015 Return: Sun May 24 2015 Trip spans 5 days
United
United
ATL
3:26a
ONT
11:17a
7h 51m
1 stop
ONT
3:00a
ATL
11:40a
8h 40m
1 stop
Depart: Wed Apr 15 2015 Return: Sat Apr 18 2015 Trip spans 4 days
American Airlines
American Airlines
ATL
4:20a
ONT
12:38p
8h 18m
1 stop
ONT
2:05a
ATL
2:47p
12h 42m
1 stop
Depart: Thu Apr 16 2015 Return: Sun Apr 19 2015 Trip spans 4 days
American Airlines
American Airlines
ATL
5:29a
ONT
12:38p
7h 09m
1 stop
ONT
5:56p
ATL
11:21p
5h 25m
1 stop
Depart: Thu Apr 23 2015 Return: Mon Apr 27 2015 Trip spans 5 days
American Airlines
American Airlines
ATL
2:30a
ONT
9:07a
6h 37m
1 stop
ONT
6:00a
ATL
12:02p
6h 02m
1 stop
Depart: Fri Apr 24 2015 Return: Tue Apr 28 2015 Trip spans 5 days
American Airlines
American Airlines
ATL
2:30a
ONT
9:07a
6h 37m
1 stop
ONT
6:00a
ATL
12:02p
6h 02m
1 stop
Depart: Mon Apr 27 2015 Return: Sun May 3 2015 Trip spans 7 days
American Airlines
American Airlines
ATL
2:30a
ONT
9:07a
6h 37m
1 stop
ONT
3:25p
ATL
10:56p
7h 31m
1 stop
Depart: Tue Mar 31 2015 Return: Tue Apr 14 2015 Trip spans 15 days
US Airways
US Airways
ATL
3:30p
ONT
10:22p
6h 52m
1 stop
ONT
2:30a
ATL
8:46a
6h 16m
1 stop
Depart: Fri Jun 12 2015 Return: Sat Jun 27 2015 Trip spans 16 days
Multiple Airlines
Multiple Airlines
ATL
4:55p
ONT
10:52p
5h 57m
1 stop
ONT
6:40a
ATL
1:37p
6h 57m
1 stop
Depart: Sat Aug 29 2015 Return: Tue Sep 8 2015 Trip spans 11 days
Delta
Delta
ATL
9:55a
ONT
4:39p
6h 44m
1 stop
ONT
6:20a
ATL
12:45p
6h 25m
1 stop
Change your search
Airports
Origin

Atlanta
$354
Destination

Ontario
$354