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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Washington to Ontario

(Round-trip)
Depart: Tue Sep 1 2015 Return: Tue Sep 8 2015 Trip spans 8 days
United
United
DCA
4:45a
ONT
5:31p
12h 46m
2 stops
ONT
2:45a
DCA
12:59p
10h 14m
1 stop
Depart: Wed Sep 16 2015 Return: Mon Sep 21 2015 Trip spans 6 days
United
United
DCA
5:45a
ONT
5:31p
11h 46m
2 stops
ONT
5:07p
DCA
3:56a
10h 49m
2 stops
Depart: Sat Sep 5 2015 Return: Tue Sep 8 2015 Trip spans 4 days
United
United
IAD
1:20p
ONT
11:29p
10h 09m
1 stop
ONT
3:01p
IAD
12:25a
9h 24m
1 stop
Depart: Fri Aug 21 2015 Return: Sat Sep 5 2015 Trip spans 16 days
United
United
IAD
1:30p
ONT
11:29p
9h 59m
1 stop
ONT
2:45a
IAD
10:10a
7h 25m
1 stop
Depart: Fri Aug 28 2015 Return: Tue Sep 8 2015 Trip spans 12 days
United
United
DCA
1:46a
ONT
9:44a
7h 58m
1 stop
ONT
2:45a
DCA
12:59p
10h 14m
1 stop
Depart: Sat Aug 29 2015 Return: Sun Sep 6 2015 Trip spans 9 days
United
United
IAD
4:15a
ONT
3:32p
11h 17m
1 stop
ONT
1:00a
IAD
8:28a
7h 28m
1 stop
Depart: Wed Sep 2 2015 Return: Tue Sep 8 2015 Trip spans 7 days
United
United
DCA
12:12p
ONT
7:14p
7h 02m
1 stop
ONT
2:45a
DCA
12:59p
10h 14m
1 stop
Depart: Fri Sep 4 2015 Return: Tue Sep 8 2015 Trip spans 5 days
United
United
DCA
12:12p
ONT
7:14p
7h 02m
1 stop
ONT
2:45a
DCA
12:59p
10h 14m
1 stop
Depart: Fri Sep 25 2015 Return: Tue Sep 29 2015 Trip spans 5 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 Aug 20 2015 Return: Sun Aug 30 2015 Trip spans 11 days
United
United
IAD
12:49p
ONT
11:29p
10h 40m
1 stop
ONT
5:07p
IAD
12:25a
7h 18m
1 stop
Depart: Sat Aug 22 2015 Return: Wed Aug 26 2015 Trip spans 5 days
United
United
DCA
1:46a
ONT
9:44a
7h 58m
1 stop
ONT
6:24a
DCA
3:26p
9h 02m
1 stop
Depart: Mon Aug 24 2015 Return: Thu Aug 27 2015 Trip spans 4 days
United
United
IAD
12:55p
ONT
11:29p
10h 34m
1 stop
ONT
5:07p
IAD
12:25a
7h 18m
1 stop
Depart: Tue Aug 25 2015 Return: Wed Aug 26 2015 Trip spans 2 days
United
United
DCA
4:30a
ONT
3:32p
11h 02m
1 stop
ONT
6:24a
DCA
3:26p
9h 02m
1 stop
Depart: Wed Aug 26 2015 Return: Sun Aug 30 2015 Trip spans 5 days
United
United
IAD
11:40a
ONT
7:37p
7h 57m
1 stop
ONT
12:58p
IAD
10:41p
9h 43m
1 stop
Depart: Thu Aug 27 2015 Return: Mon Aug 31 2015 Trip spans 5 days
United
United
DCA
4:30a
ONT
3:32p
11h 02m
1 stop
ONT
4:46a
DCA
3:26p
10h 40m
1 stop
Depart: Mon Aug 31 2015 Return: Tue Sep 1 2015 Trip spans 2 days
United
United
DCA
1:47p
ONT
9:32p
7h 45m
1 stop
ONT
2:45a
DCA
10:02a
7h 17m
1 stop
Depart: Thu Sep 3 2015 Return: Fri Sep 11 2015 Trip spans 9 days
United
United
DCA
1:46a
ONT
9:44a
7h 58m
1 stop
ONT
7:33a
DCA
2:54p
7h 21m
1 stop
Depart: Sun Sep 6 2015 Return: Wed Sep 9 2015 Trip spans 4 days
American Airlines
American Airlines
DCA
2:50p
ONT
9:58p
7h 08m
1 stop
ONT
8:35a
DCA
2:58p
6h 23m
1 stop
Depart: Sun Oct 4 2015 Return: Fri Oct 9 2015 Trip spans 6 days
American Airlines
American Airlines
IAD
2:40p
ONT
10:04p
7h 24m
1 stop
ONT
2:00a
IAD
10:59a
8h 59m
1 stop
Depart: Tue Aug 4 2015 Return: Fri Aug 14 2015 Trip spans 11 days
US Airways
US Airways
DCA
1:15p
ONT
7:55p
6h 40m
1 stop
ONT
8:35a
DCA
2:59p
6h 24m
1 stop
Airports
Origin

Washington
only $313
only $305
Destination

Ontario
$305