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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
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: Wed Oct 18 2017 Return: Mon Oct 23 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
IAD
12:00a
ONT
9:06a
9h 06m
1 stop
Depart: Mon Aug 7 2017 Return: Tue Aug 15 2017 Trip spans 9 days
American Airlines
American Airlines
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
IAD
12:00a
ONT
7:01a
7h 01m
1 stop
Depart: Sun Aug 6 2017 Return: Wed Aug 16 2017 Trip spans 11 days
United
United
ONT
12:00a
IAD
6:47a
6h 47m
1 stop
IAD
12:00a
ONT
7:33a
7h 33m
1 stop
Depart: Tue Aug 1 2017 Return: Wed Aug 16 2017 Trip spans 16 days
Delta
Delta
ONT
12:00a
IAD
12:10p
12h 10m
2 stops
IAD
12:00a
ONT
1:50p
13h 50m
2 stops
Depart: Fri Nov 3 2017 Return: Wed Nov 8 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
IAD
12:00a
ONT
6:52a
6h 52m
1 stop
Depart: Tue Aug 8 2017 Return: Tue Aug 15 2017 Trip spans 8 days
American Airlines
American Airlines
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
IAD
12:00a
ONT
7:01a
7h 01m
1 stop
Depart: Mon Nov 6 2017 Return: Wed Nov 8 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
IAD
8:14a
8h 14m
1 stop
IAD
12:00a
ONT
7:28a
7h 28m
1 stop
Depart: Mon Jul 31 2017 Return: Wed Aug 16 2017 Trip spans 17 days
American Airlines
American Airlines
ONT
12:00a
IAD
10:09a
10h 09m
1 stop
IAD
12:00a
ONT
7:01a
7h 01m
1 stop
Depart: Mon Nov 20 2017 Return: Thu Nov 23 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
IAD
8:38a
8h 38m
1 stop
IAD
12:00a
ONT
9:38a
9h 38m
1 stop
Depart: Sun Aug 6 2017 Return: Wed Aug 9 2017 Trip spans 4 days
American Airlines
American Airlines
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
IAD
12:00a
ONT
9:05a
9h 05m
1 stop
Depart: Wed Oct 4 2017 Return: Mon Oct 9 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
IAD
12:00a
ONT
10:54a
10h 54m
1 stop
Depart: Mon Aug 7 2017 Return: Sat Aug 12 2017 Trip spans 6 days
American Airlines
American Airlines
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
IAD
12:00a
ONT
7:01a
7h 01m
1 stop
Depart: Sat Aug 5 2017 Return: Tue Aug 8 2017 Trip spans 4 days
United
United
ONT
12:00a
IAD
8:43a
8h 43m
1 stop
IAD
12:00a
ONT
6:14a
30h 14m
1 stop
Depart: Sun Nov 5 2017 Return: Wed Nov 8 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
IAD
6:04a
7h 04m
1 stop
IAD
12:00a
ONT
7:28a
7h 28m
1 stop
Depart: Fri Aug 4 2017 Return: Tue Aug 15 2017 Trip spans 12 days
American Airlines
American Airlines
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
IAD
12:00a
ONT
7:01a
7h 01m
1 stop
Depart: Tue Sep 19 2017 Return: Sun Sep 24 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
IAD
12:00a
ONT
10:49a
10h 49m
1 stop
Depart: Sun Aug 6 2017 Return: Tue Aug 8 2017 Trip spans 3 days
American Airlines
American Airlines
ONT
12:00a
IAD
11:53p
23h 53m
2 stops
IAD
12:00a
ONT
6:46p
18h 46m
1 stop
Depart: Fri Aug 4 2017 Return: Thu Aug 10 2017 Trip spans 7 days
United
United
ONT
12:00a
IAD
6:47a
6h 47m
1 stop
IAD
12:00a
ONT
7:25a
7h 25m
1 stop
Depart: Tue Aug 22 2017 Return: Sun Sep 3 2017 Trip spans 13 days
Delta
Delta
ONT
12:00a
IAD
11:43a
11h 43m
2 stops
IAD
12:00a
ONT
8:26a
8h 26m
2 stops
Depart: Thu Jul 27 2017 Return: Tue Aug 8 2017 Trip spans 13 days
American Airlines
American Airlines
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
IAD
12:00a
ONT
2:26p
14h 26m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Ontario
$345
Destination

Washington
$345