Find Cheap Flights from Washington to Ontario (WAS - 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 to Ontario

(Round-trip)
Depart: Sat Sep 9 2017 Return: Sat Sep 16 2017 Trip spans 8 days
American Airlines
American Airlines
DCA
1:39a
ONT
8:57a
7h 18m
1 stop
ONT
10:15a
DCA
5:45p
7h 30m
1 stop
Depart: Tue Aug 22 2017 Return: Tue Aug 29 2017 Trip spans 8 days
United
United
IAD
8:35a
ONT
6:09p
9h 34m
1 stop
ONT
4:15p
IAD
12:40a
8h 25m
1 stop
Depart: Tue Jul 4 2017 Return: Mon Jul 10 2017 Trip spans 7 days
Major Airline
Major Airline
DCA
9:20a
ONT
5:23a
20h 03m
2 stops
ONT
10:20p
DCA
10:53a
12h 33m
2 stops
Depart: Wed Aug 23 2017 Return: Tue Aug 29 2017 Trip spans 7 days
United
United
IAD
12:30p
ONT
8:09p
7h 39m
1 stop
ONT
1:10a
IAD
10:57a
9h 47m
1 stop
Depart: Thu Sep 7 2017 Return: Fri Sep 15 2017 Trip spans 9 days
American Airlines
American Airlines
DCA
3:00a
ONT
10:46a
7h 46m
1 stop
ONT
8:59p
DCA
7:26a
10h 27m
2 stops
Depart: Sat Aug 26 2017 Return: Sat Sep 2 2017 Trip spans 8 days
United
United
IAD
12:30p
ONT
8:09p
7h 39m
1 stop
ONT
6:44a
IAD
4:22p
9h 38m
1 stop
Depart: Sat Sep 16 2017 Return: Tue Sep 19 2017 Trip spans 4 days
American Airlines
American Airlines
DCA
12:44p
ONT
10:08p
9h 24m
1 stop
ONT
6:42a
DCA
2:09p
7h 27m
1 stop
Depart: Mon Aug 28 2017 Return: Sun Sep 3 2017 Trip spans 7 days
United
United
IAD
12:30p
ONT
8:09p
7h 39m
1 stop
ONT
3:40p
IAD
12:48a
9h 08m
1 stop
Depart: Sat Sep 2 2017 Return: Sat Sep 9 2017 Trip spans 8 days
American Airlines
American Airlines
DCA
2:30p
ONT
10:08p
7h 38m
1 stop
ONT
2:05a
DCA
12:00p
9h 55m
1 stop
Depart: Mon Jun 12 2017 Return: Tue Jun 13 2017 Trip spans 2 days
Major Airline
Major Airline
DCA
10:52a
ONT
6:17a
19h 25m
1 stop
ONT
11:50a
DCA
6:55a
19h 05m
1 stop
Depart: Tue Aug 29 2017 Return: Wed Sep 6 2017 Trip spans 9 days
United
United
DCA
4:45a
ONT
3:20p
10h 35m
1 stop
ONT
4:00a
DCA
2:36p
10h 36m
1 stop
Depart: Thu Oct 19 2017 Return: Wed Oct 25 2017 Trip spans 7 days
American Airlines
American Airlines
DCA
1:39a
ONT
12:47p
11h 08m
1 stop
ONT
10:15a
DCA
5:45p
7h 30m
1 stop
Depart: Wed Aug 30 2017 Return: Wed Sep 6 2017 Trip spans 8 days
United
United
IAD
1:15p
ONT
11:09p
9h 54m
1 stop
ONT
4:00a
IAD
12:01p
8h 01m
1 stop
Depart: Sun Sep 3 2017 Return: Sat Sep 9 2017 Trip spans 7 days
United
United
DCA
12:25p
ONT
7:50p
7h 25m
1 stop
ONT
4:00a
DCA
2:36p
10h 36m
1 stop
Depart: Tue Oct 31 2017 Return: Mon Nov 20 2017 Trip spans 21 days
American Airlines
American Airlines
DCA
1:39a
ONT
8:57a
7h 18m
1 stop
ONT
7:59p
DCA
5:10a
9h 11m
1 stop
Depart: Thu Jun 22 2017 Return: Mon Jul 3 2017 Trip spans 12 days
Major Airline
Major Airline
IAD
9:20a
ONT
11:17a
25h 57m
2 stops
ONT
9:15a
IAD
5:17a
20h 02m
2 stops
Depart: Mon Sep 4 2017 Return: Mon Sep 11 2017 Trip spans 8 days
United
United
IAD
12:30p
ONT
8:09p
7h 39m
1 stop
ONT
5:25p
IAD
12:38a
7h 13m
1 stop
Depart: Mon Sep 11 2017 Return: Wed Sep 20 2017 Trip spans 10 days
American Airlines
American Airlines
DCA
2:30p
ONT
10:08p
7h 38m
1 stop
ONT
8:59p
DCA
6:10a
9h 11m
1 stop
Depart: Tue Sep 5 2017 Return: Mon Sep 11 2017 Trip spans 7 days
United
United
IAD
1:50a
ONT
11:12a
9h 22m
1 stop
ONT
5:25p
IAD
12:38a
7h 13m
1 stop
Depart: Thu Jul 27 2017 Return: Tue Aug 1 2017 Trip spans 6 days
Major Airline
Major Airline
DCA
9:20a
ONT
5:20a
20h 00m
2 stops
ONT
11:50a
DCA
6:55a
19h 05m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Washington
only $304
only $294
Destination

Ontario
$294