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Find Deals on Flights from Washington Reagan-National to Ontario (DCA - ONT)

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

Book cheap flights from Washington Reagan-National to Ontario

(Round-trip)
Depart: Thu Sep 10 2015 Return: Mon Sep 14 2015 Trip spans 5 days
United
United
DCA
1:47p
ONT
9:32p
7h 45m
1 stop
ONT
4:46a
DCA
3:15p
10h 29m
1 stop
Depart: Sat Sep 19 2015 Return: Tue Sep 22 2015 Trip spans 4 days
Delta
Delta
DCA
3:30a
ONT
11:11a
7h 41m
1 stop
ONT
2:15a
DCA
8:57a
6h 42m
1 stop
Depart: Thu Sep 17 2015 Return: Mon Sep 21 2015 Trip spans 5 days
United
United
DCA
4:30a
ONT
3:32p
11h 02m
1 stop
ONT
7:33a
DCA
4:15p
8h 42m
1 stop
Depart: Wed Sep 23 2015 Return: Mon Sep 28 2015 Trip spans 6 days
Delta
Delta
DCA
12:47p
ONT
9:31p
8h 44m
1 stop
ONT
2:15a
DCA
8:57a
6h 42m
1 stop
Depart: Thu Sep 24 2015 Return: Thu Oct 1 2015 Trip spans 8 days
United
United
DCA
4:30a
ONT
3:30p
11h 00m
1 stop
ONT
4:46a
DCA
3:34p
10h 48m
1 stop
Depart: Fri Sep 25 2015 Return: Mon Sep 28 2015 Trip spans 4 days
Delta
Delta
DCA
12:47p
ONT
9:31p
8h 44m
1 stop
ONT
2:15a
DCA
8:57a
6h 42m
1 stop
Depart: Sat Sep 26 2015 Return: Wed Sep 30 2015 Trip spans 5 days
United
United
DCA
4:30a
ONT
3:30p
11h 00m
1 stop
ONT
4:46a
DCA
3:34p
10h 48m
1 stop
Depart: Fri Oct 2 2015 Return: Mon Oct 5 2015 Trip spans 4 days
Delta
Delta
DCA
12:40p
ONT
9:31p
8h 51m
1 stop
ONT
2:15a
DCA
10:39a
8h 24m
2 stops
Depart: Sat Oct 17 2015 Return: Wed Oct 21 2015 Trip spans 5 days
American Airlines
American Airlines
DCA
11:33a
ONT
7:57p
8h 24m
2 stops
ONT
2:00a
DCA
8:58a
6h 58m
1 stop
Depart: Tue Aug 18 2015 Return: Wed Aug 26 2015 Trip spans 9 days
American Airlines
American Airlines
DCA
2:50p
ONT
9:58p
7h 08m
1 stop
ONT
8:35a
DCA
2:59p
6h 24m
1 stop
Depart: Wed Aug 19 2015 Return: Wed Aug 26 2015 Trip spans 8 days
American Airlines
American Airlines
DCA
2:50p
ONT
9:58p
7h 08m
1 stop
ONT
8:35a
DCA
2:59p
6h 24m
1 stop
Depart: Sat Aug 22 2015 Return: Wed Aug 26 2015 Trip spans 5 days
American Airlines
American Airlines
DCA
1:50a
ONT
9:07a
7h 17m
1 stop
ONT
8:35a
DCA
2:59p
6h 24m
1 stop
Depart: Tue Sep 1 2015 Return: Thu Sep 10 2015 Trip spans 10 days
American Airlines
American Airlines
DCA
3:10a
ONT
10:31a
7h 21m
1 stop
ONT
8:35a
DCA
2:58p
6h 23m
1 stop
Depart: Tue Aug 25 2015 Return: Sat Aug 29 2015 Trip spans 5 days
US Airways
US Airways
DCA
11:33a
ONT
6:49p
7h 16m
1 stop
ONT
8:35a
DCA
2:59p
6h 24m
1 stop
Depart: Sat Aug 15 2015 Return: Tue Aug 25 2015 Trip spans 11 days
United
United
DCA
1:45a
ONT
9:28a
7h 43m
1 stop
ONT
7:33a
DCA
2:54p
7h 21m
1 stop
Depart: Wed Aug 26 2015 Return: Sat Aug 29 2015 Trip spans 4 days
US Airways
US Airways
DCA
6:59a
ONT
2:37p
7h 38m
1 stop
ONT
2:15a
DCA
9:12a
6h 57m
1 stop
Depart: Sat Aug 29 2015 Return: Tue Sep 1 2015 Trip spans 4 days
US Airways
US Airways
DCA
6:59a
ONT
2:37p
7h 38m
1 stop
ONT
5:13a
DCA
12:09p
6h 56m
1 stop
Depart: Sat Jan 16 2016 Return: Sat Jan 23 2016 Trip spans 8 days
American Airlines
American Airlines
DCA
10:36a
ONT
7:05p
8h 29m
2 stops
ONT
1:28a
DCA
11:11a
9h 43m
2 stops
Depart: Sat Oct 3 2015 Return: Mon Oct 5 2015 Trip spans 3 days
US Airways
US Airways
DCA
3:00a
ONT
10:33a
7h 33m
1 stop
ONT
8:35a
DCA
2:58p
6h 23m
1 stop
Depart: Wed Nov 18 2015 Return: Thu Nov 26 2015 Trip spans 9 days
Alaska Airlines
Alaska Airlines
DCA
12:43a
ONT
3:09p
14h 26m
2 stops
ONT
3:55p
DCA
9:33a
17h 38m
1 stop
Airports
Origin

Washington
$325
Destination

Ontario
$325