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

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 Ontario to Washington Dulles Intl

(Round-trip)
Depart: Fri Aug 28 2015 Return: Sun Sep 6 2015 Trip spans 10 days
United
United
ONT
5:07p
IAD
1:02a
7h 55m
1 stop
IAD
4:15a
ONT
3:32p
11h 17m
1 stop
Depart: Wed Sep 2 2015 Return: Sun Sep 6 2015 Trip spans 5 days
United
United
ONT
1:00a
IAD
8:28a
7h 28m
1 stop
IAD
4:15a
ONT
3:32p
11h 17m
1 stop
Depart: Thu Sep 3 2015 Return: Sat Sep 5 2015 Trip spans 3 days
United
United
ONT
8:44a
IAD
6:52p
10h 08m
1 stop
IAD
2:47a
ONT
11:12a
8h 25m
1 stop
Depart: Fri Sep 4 2015 Return: Sat Sep 5 2015 Trip spans 2 days
United
United
ONT
4:46a
IAD
12:04p
7h 18m
1 stop
IAD
2:47a
ONT
11:12a
8h 25m
1 stop
Depart: Sat Sep 5 2015 Return: Sat Sep 12 2015 Trip spans 8 days
United
United
ONT
2:45a
IAD
10:10a
7h 25m
1 stop
IAD
1:08p
ONT
9:32p
8h 24m
1 stop
Depart: Wed Aug 26 2015 Return: Thu Aug 27 2015 Trip spans 2 days
United
United
ONT
5:07p
IAD
12:25a
7h 18m
1 stop
IAD
5:08a
ONT
3:32p
10h 24m
1 stop
Depart: Mon Aug 24 2015 Return: Fri Aug 28 2015 Trip spans 5 days
United
United
ONT
8:44a
IAD
6:52p
10h 08m
1 stop
IAD
11:40a
ONT
7:37p
7h 57m
1 stop
Depart: Tue Aug 25 2015 Return: Wed Aug 26 2015 Trip spans 2 days
United
United
ONT
9:28a
IAD
3:51p
6h 23m
1 stop
IAD
1:08p
ONT
9:32p
8h 24m
1 stop
Depart: Thu Aug 27 2015 Return: Fri Aug 28 2015 Trip spans 2 days
United
United
ONT
1:00a
IAD
8:28a
7h 28m
1 stop
IAD
6:44a
ONT
5:31p
10h 47m
1 stop
Depart: Sat Aug 29 2015 Return: Mon Aug 31 2015 Trip spans 3 days
United
United
ONT
3:01p
IAD
12:25a
9h 24m
1 stop
IAD
6:44a
ONT
5:31p
10h 47m
1 stop
Depart: Sun Aug 30 2015 Return: Tue Sep 1 2015 Trip spans 3 days
United
United
ONT
5:07p
IAD
12:25a
7h 18m
1 stop
IAD
2:47a
ONT
11:12a
8h 25m
1 stop
Depart: Mon Aug 31 2015 Return: Tue Sep 1 2015 Trip spans 2 days
United
United
ONT
2:45a
IAD
10:08a
7h 23m
1 stop
IAD
6:44a
ONT
3:32p
8h 48m
1 stop
Depart: Tue Sep 1 2015 Return: Wed Sep 2 2015 Trip spans 2 days
United
United
ONT
2:45a
IAD
10:10a
7h 25m
1 stop
IAD
11:40a
ONT
7:37p
7h 57m
1 stop
Depart: Wed Sep 9 2015 Return: Sun Sep 13 2015 Trip spans 5 days
United
United
ONT
8:44a
IAD
5:15p
8h 31m
1 stop
IAD
4:15a
ONT
3:32p
11h 17m
1 stop
Depart: Thu Sep 10 2015 Return: Fri Sep 11 2015 Trip spans 2 days
United
United
ONT
8:44a
IAD
5:15p
8h 31m
1 stop
IAD
10:40a
ONT
7:14p
8h 34m
1 stop
Depart: Fri Sep 11 2015 Return: Sun Sep 13 2015 Trip spans 3 days
United
United
ONT
9:28a
IAD
6:29p
9h 01m
1 stop
IAD
4:15a
ONT
3:32p
11h 17m
1 stop
Depart: Sat Sep 12 2015 Return: Sat Sep 19 2015 Trip spans 8 days
United
United
ONT
1:00a
IAD
10:00a
9h 00m
1 stop
IAD
4:15a
ONT
3:32p
11h 17m
1 stop
Depart: Sun Sep 13 2015 Return: Fri Sep 18 2015 Trip spans 6 days
United
United
ONT
2:00p
IAD
10:41p
8h 41m
1 stop
IAD
1:30p
ONT
11:29p
9h 59m
1 stop
Depart: Wed Sep 16 2015 Return: Fri Sep 18 2015 Trip spans 3 days
American Airlines
American Airlines
ONT
6:57a
IAD
3:34p
8h 37m
1 stop
IAD
2:40p
ONT
10:04p
7h 24m
1 stop
Depart: Wed Dec 2 2015 Return: Wed Dec 9 2015 Trip spans 8 days
Delta
Delta
ONT
1:15p
IAD
1:12a
11h 57m
2 stops
IAD
7:45a
ONT
8:26p
12h 41m
2 stops
Airports
Origin

Ontario
$319
Destination

Washington
$319