Browse Origins:
Browse Destinations:

Find Deals on Flights from Washington to Ontario (WAS - ONT)

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

Book cheap flights from Washington to Ontario

(Round-trip)
Depart: Wed Sep 9 2015 Return: Fri Sep 11 2015 Trip spans 3 days
United
United
IAD
12:03p
ONT
7:14p
7h 11m
1 stop
ONT
9:28a
IAD
3:51p
6h 23m
1 stop
Depart: Fri Sep 11 2015 Return: Tue Sep 15 2015 Trip spans 5 days
United
United
DCA
1:46a
ONT
9:44a
7h 58m
1 stop
ONT
4:46a
DCA
3:26p
10h 40m
1 stop
Depart: Tue Sep 22 2015 Return: Tue Sep 29 2015 Trip spans 8 days
Delta
Delta
DCA
12:47p
ONT
9:31p
8h 44m
1 stop
ONT
6:15a
DCA
3:59p
9h 44m
1 stop
Depart: Thu Sep 10 2015 Return: Fri Sep 11 2015 Trip spans 2 days
United
United
IAD
12:03p
ONT
7:14p
7h 11m
1 stop
ONT
9:28a
IAD
3:51p
6h 23m
1 stop
Depart: Wed Sep 16 2015 Return: Sat Sep 19 2015 Trip spans 4 days
United
United
DCA
4:30a
ONT
3:32p
11h 02m
1 stop
ONT
6:24a
DCA
3:26p
9h 02m
1 stop
Depart: Sat Sep 19 2015 Return: Thu Sep 24 2015 Trip spans 6 days
United
United
DCA
1:46a
ONT
9:44a
7h 58m
1 stop
ONT
4:46a
DCA
3:34p
10h 48m
1 stop
Depart: Sun Sep 20 2015 Return: Thu Sep 24 2015 Trip spans 5 days
United
United
IAD
5:08a
ONT
3:32p
10h 24m
1 stop
ONT
4:57p
IAD
12:25a
7h 28m
1 stop
Depart: Mon Sep 21 2015 Return: Fri Sep 25 2015 Trip spans 5 days
United
United
IAD
6:44a
ONT
4:27p
9h 43m
1 stop
ONT
3:00p
IAD
12:25a
9h 25m
1 stop
Depart: Wed Sep 23 2015 Return: Wed Sep 30 2015 Trip spans 8 days
Delta
Delta
DCA
12:47p
ONT
9:31p
8h 44m
1 stop
ONT
2:15a
DCA
8:57a
6h 42m
1 stop
Depart: Fri Sep 25 2015 Return: Wed Sep 30 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: Sat Sep 26 2015 Return: Tue Oct 6 2015 Trip spans 11 days
United
United
DCA
4:30a
ONT
3:30p
11h 00m
1 stop
ONT
4:46a
DCA
3:34p
10h 48m
1 stop
Depart: Sun Sep 27 2015 Return: Tue Oct 6 2015 Trip spans 10 days
United
United
DCA
1:45a
ONT
9:43a
7h 58m
1 stop
ONT
4:46a
DCA
3:34p
10h 48m
1 stop
Depart: Mon Sep 28 2015 Return: Tue Oct 6 2015 Trip spans 9 days
Delta
Delta
DCA
12:47p
ONT
9:31p
8h 44m
1 stop
ONT
6:15a
DCA
3:59p
9h 44m
1 stop
Depart: Tue Sep 29 2015 Return: Tue Oct 6 2015 Trip spans 8 days
Delta
Delta
DCA
12:47p
ONT
9:31p
8h 44m
1 stop
ONT
6:15a
DCA
3:59p
9h 44m
1 stop
Depart: Wed Sep 30 2015 Return: Tue Oct 6 2015 Trip spans 7 days
Delta
Delta
DCA
12:47p
ONT
9:31p
8h 44m
1 stop
ONT
6:15a
DCA
3:59p
9h 44m
1 stop
Depart: Thu Oct 1 2015 Return: Tue Oct 6 2015 Trip spans 6 days
Delta
Delta
DCA
12:40p
ONT
9:31p
8h 51m
1 stop
ONT
6:15a
DCA
3:59p
9h 44m
1 stop
Depart: Fri Oct 2 2015 Return: Mon Oct 5 2015 Trip spans 4 days
United
United
IAD
11:09a
ONT
7:27p
8h 18m
1 stop
ONT
3:00p
IAD
12:25a
9h 25m
1 stop
Depart: Wed Aug 19 2015 Return: Wed Aug 26 2015 Trip spans 8 days
American Airlines
American Airlines
IAD
8:05a
ONT
5:08p
9h 03m
1 stop
ONT
3:25p
IAD
4:18a
12h 53m
2 stops
Depart: Sat Oct 3 2015 Return: Tue Oct 6 2015 Trip spans 4 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: Tue Aug 25 2015 Return: Wed Aug 26 2015 Trip spans 2 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
Airports
Origin

Washington
only $325
only $325
Destination

Ontario
$325