Find Deals on Flights from Washington Dulles Intl to Ontario (IAD - 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 Dulles Intl to Ontario

(Round-trip)
Depart: Tue Sep 22 2015 Return: Tue Sep 29 2015 Trip spans 8 days
United
United
IAD
1:20p
ONT
11:29p
10h 09m
1 stop
ONT
1:05a
IAD
8:28a
7h 23m
1 stop
Depart: Wed Sep 23 2015 Return: Sat Oct 3 2015 Trip spans 11 days
United
United
IAD
11:40a
ONT
7:37p
7h 57m
1 stop
ONT
1:05a
IAD
8:28a
7h 23m
1 stop
Depart: Sat Sep 26 2015 Return: Wed Sep 30 2015 Trip spans 5 days
United
United
IAD
2:38a
ONT
11:09a
8h 31m
1 stop
ONT
2:49a
IAD
10:10a
7h 21m
1 stop
Depart: Tue Sep 29 2015 Return: Tue Oct 13 2015 Trip spans 15 days
United
United
IAD
1:15p
ONT
9:36p
8h 21m
1 stop
ONT
1:05a
IAD
8:28a
7h 23m
1 stop
Depart: Wed Sep 30 2015 Return: Sat Oct 3 2015 Trip spans 4 days
United
United
IAD
2:40a
ONT
11:09a
8h 29m
1 stop
ONT
3:00p
IAD
12:25a
9h 25m
1 stop
Depart: Sat Oct 10 2015 Return: Tue Oct 13 2015 Trip spans 4 days
Delta
Delta
IAD
8:07a
ONT
8:06p
11h 59m
2 stops
ONT
2:23p
IAD
2:59a
12h 36m
2 stops
Depart: Sun Sep 27 2015 Return: Tue Sep 29 2015 Trip spans 3 days
United
United
IAD
2:59a
ONT
11:09a
8h 10m
1 stop
ONT
2:49a
IAD
10:11a
7h 22m
1 stop
Depart: Mon Sep 28 2015 Return: Tue Sep 29 2015 Trip spans 2 days
United
United
IAD
2:35a
ONT
11:09a
8h 34m
1 stop
ONT
3:00p
IAD
11:37p
8h 37m
1 stop
Depart: Thu Oct 1 2015 Return: Tue Oct 6 2015 Trip spans 6 days
United
United
IAD
3:07p
ONT
11:29p
8h 22m
1 stop
ONT
1:05a
IAD
9:45a
8h 40m
1 stop
Depart: Fri Oct 2 2015 Return: Wed Oct 7 2015 Trip spans 6 days
United
United
IAD
1:30p
ONT
11:29p
9h 59m
1 stop
ONT
4:57p
IAD
12:25a
7h 28m
1 stop
Depart: Tue Oct 6 2015 Return: Thu Oct 15 2015 Trip spans 10 days
United
United
IAD
12:45p
ONT
11:29p
10h 44m
1 stop
ONT
8:39a
IAD
7:03p
10h 24m
1 stop
Depart: Thu Oct 8 2015 Return: Wed Oct 14 2015 Trip spans 7 days
United
United
IAD
12:45p
ONT
11:29p
10h 44m
1 stop
ONT
8:39a
IAD
5:24p
8h 45m
1 stop
Depart: Tue Oct 13 2015 Return: Thu Oct 15 2015 Trip spans 3 days
United
United
IAD
11:53a
ONT
7:07p
7h 14m
1 stop
ONT
9:21a
IAD
4:03p
6h 42m
1 stop
Depart: Wed Oct 14 2015 Return: Wed Oct 21 2015 Trip spans 8 days
United
United
IAD
8:33a
ONT
5:30p
8h 57m
1 stop
ONT
3:00p
IAD
11:39p
8h 39m
1 stop
Depart: Fri Oct 16 2015 Return: Sat Oct 17 2015 Trip spans 2 days
United
United
IAD
12:45p
ONT
11:29p
10h 44m
1 stop
ONT
8:39a
IAD
5:11p
8h 32m
1 stop
Depart: Wed Sep 16 2015 Return: Wed Sep 30 2015 Trip spans 15 days
United
United
IAD
5:08a
ONT
3:32p
10h 24m
1 stop
ONT
3:00p
IAD
11:39p
8h 39m
1 stop
Depart: Sat Sep 19 2015 Return: Wed Sep 23 2015 Trip spans 5 days
United
United
IAD
1:08p
ONT
9:32p
8h 24m
1 stop
ONT
3:01p
IAD
12:23a
9h 22m
1 stop
Depart: Mon Nov 9 2015 Return: Wed Nov 18 2015 Trip spans 10 days
United
United
IAD
7:25a
ONT
6:37p
11h 12m
2 stops
ONT
2:02p
IAD
12:53a
10h 51m
2 stops
Depart: Sat Oct 3 2015 Return: Tue Oct 6 2015 Trip spans 4 days
American Airlines
American Airlines
IAD
8:05a
ONT
5:10p
9h 05m
1 stop
ONT
3:10a
IAD
10:59a
7h 49m
1 stop
Depart: Thu Sep 24 2015 Return: Fri Sep 25 2015 Trip spans 2 days
United
United
IAD
12:48p
ONT
11:29p
10h 41m
1 stop
ONT
8:39a
IAD
5:26p
8h 47m
1 stop
Airports
Origin

Washington
$351
Destination

Ontario
$351