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

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 Washington Dulles Intl to Ontario

(Round-trip)
Depart: Tue Aug 22 2017 Return: Wed Aug 23 2017 Trip spans 2 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
ONT
9:34a
9h 34m
1 stop
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
Depart: Wed Jul 26 2017 Return: Sat Jul 29 2017 Trip spans 4 days
Major Airline
Major Airline
IAD
12:00a
ONT
7:58a
31h 58m
1 stop
ONT
12:00a
IAD
7:57p
19h 57m
1 stop
Depart: Wed Jul 5 2017 Return: Tue Jul 18 2017 Trip spans 14 days
American Airlines
American Airlines
IAD
12:00a
ONT
7:01a
7h 01m
1 stop
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
Depart: Wed Jul 5 2017 Return: Fri Jul 7 2017 Trip spans 3 days
United
United
IAD
12:00a
ONT
10:30a
10h 30m
1 stop
ONT
12:00a
IAD
12:41p
12h 41m
2 stops
Depart: Wed Jul 5 2017 Return: Wed Jul 12 2017 Trip spans 8 days
Delta
Delta
IAD
12:00a
ONT
11:24a
11h 24m
2 stops
ONT
12:00a
IAD
11:31a
11h 31m
2 stops
Depart: Wed Jul 19 2017 Return: Tue Jul 25 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
ONT
11:00a
11h 00m
1 stop
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
Depart: Wed Aug 9 2017 Return: Mon Aug 14 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
ONT
11:00a
11h 00m
1 stop
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
Depart: Tue Aug 1 2017 Return: Wed Aug 16 2017 Trip spans 16 days
Major Airline
Major Airline
IAD
12:00a
ONT
7:58a
31h 58m
1 stop
ONT
12:00a
IAD
6:52a
30h 52m
1 stop
Depart: Tue Aug 15 2017 Return: Wed Aug 16 2017 Trip spans 2 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
ONT
11:05a
11h 05m
1 stop
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
Depart: Fri Jul 28 2017 Return: Wed Aug 2 2017 Trip spans 6 days
Major Airline
Major Airline
IAD
12:00a
ONT
7:58a
31h 58m
3 stops
ONT
12:00a
IAD
7:57p
19h 57m
3 stops
Depart: Thu Aug 10 2017 Return: Tue Aug 22 2017 Trip spans 13 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
ONT
9:30a
9h 30m
1 stop
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
Depart: Wed Jul 5 2017 Return: Tue Jul 11 2017 Trip spans 7 days
American Airlines
American Airlines
IAD
12:00a
ONT
7:01a
7h 01m
1 stop
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
Depart: Wed Jul 5 2017 Return: Wed Jul 12 2017 Trip spans 8 days
United
United
IAD
12:00a
ONT
10:30a
10h 30m
1 stop
ONT
12:00a
IAD
9:59a
9h 59m
2 stops
Depart: Thu Aug 17 2017 Return: Mon Aug 21 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
ONT
9:23a
9h 23m
1 stop
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
Depart: Fri Jul 7 2017 Return: Tue Jul 11 2017 Trip spans 5 days
Delta
Delta
IAD
12:00a
ONT
7:39a
7h 39m
1 stop
ONT
12:00a
IAD
11:31a
11h 31m
2 stops
Depart: Fri Aug 4 2017 Return: Sun Aug 20 2017 Trip spans 17 days
Major Airline
Major Airline
IAD
12:00a
ONT
1:56a
25h 56m
1 stop
ONT
12:00a
IAD
7:57p
19h 57m
1 stop
Depart: Fri Jul 7 2017 Return: Mon Jul 10 2017 Trip spans 4 days
American Airlines
American Airlines
IAD
12:00a
ONT
9:46a
9h 46m
2 stops
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
Depart: Thu Jul 6 2017 Return: Wed Jul 12 2017 Trip spans 7 days
United
United
IAD
12:00a
ONT
7:07a
7h 07m
1 stop
ONT
12:00a
IAD
6:47a
6h 47m
1 stop
Depart: Sat Jul 8 2017 Return: Wed Jul 12 2017 Trip spans 5 days
Delta
Delta
IAD
12:00a
ONT
9:02a
9h 02m
2 stops
ONT
12:00a
IAD
11:31a
11h 31m
2 stops
Depart: Thu Jul 20 2017 Return: Tue Jul 25 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
ONT
9:22a
9h 22m
1 stop
ONT
12:00a
IAD
6:50a
6h 50m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Washington
$345
Destination

Ontario
$345