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

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

(Round-trip)
Depart: Tue Aug 22 2017 Return: Tue Aug 29 2017 Trip spans 8 days
American Airlines
American Airlines
ONT
3:30p
DCA
12:00a
8h 30m
1 stop
DCA
3:00a
ONT
10:46a
7h 46m
1 stop
Depart: Mon Aug 28 2017 Return: Sat Sep 2 2017 Trip spans 6 days
United
United
ONT
3:40p
IAD
12:40a
9h 00m
1 stop
IAD
8:30a
ONT
4:30p
8h 00m
1 stop
Depart: Wed Sep 27 2017 Return: Thu Oct 5 2017 Trip spans 9 days
Major Airline
Major Airline
ONT
10:05p
DCA
10:40a
12h 35m
1 stop
DCA
12:00a
ONT
11:11a
11h 11m
1 stop
Depart: Tue Aug 29 2017 Return: Sat Sep 2 2017 Trip spans 5 days
United
United
ONT
4:15p
IAD
12:40a
8h 25m
1 stop
IAD
8:30a
ONT
4:30p
8h 00m
1 stop
Depart: Wed Sep 13 2017 Return: Tue Sep 19 2017 Trip spans 7 days
American Airlines
American Airlines
ONT
10:15a
DCA
5:45p
7h 30m
1 stop
DCA
3:10a
ONT
12:47p
9h 37m
1 stop
Depart: Wed Aug 30 2017 Return: Sun Sep 3 2017 Trip spans 5 days
United
United
ONT
5:15a
DCA
2:08p
8h 53m
1 stop
DCA
12:25p
ONT
7:50p
7h 25m
1 stop
Depart: Tue Oct 31 2017 Return: Tue Nov 7 2017 Trip spans 8 days
American Airlines
American Airlines
ONT
8:59p
IAD
4:21a
7h 22m
1 stop
IAD
1:35p
ONT
9:08p
7h 33m
1 stop
Depart: Tue Sep 5 2017 Return: Sat Sep 9 2017 Trip spans 5 days
United
United
ONT
8:45a
IAD
5:45p
9h 00m
1 stop
IAD
12:50p
ONT
10:58p
10h 08m
1 stop
Depart: Fri Oct 6 2017 Return: Sat Oct 21 2017 Trip spans 16 days
American Airlines
American Airlines
ONT
8:59p
DCA
4:02a
7h 03m
1 stop
DCA
1:39a
ONT
8:57a
7h 18m
1 stop
Depart: Thu Sep 14 2017 Return: Tue Sep 19 2017 Trip spans 6 days
United
United
ONT
5:10a
DCA
2:36p
9h 26m
1 stop
DCA
4:40a
ONT
3:20p
10h 40m
1 stop
Depart: Mon Aug 7 2017 Return: Tue Aug 15 2017 Trip spans 9 days
American Airlines
American Airlines
ONT
9:10p
DCA
3:57a
6h 47m
1 stop
DCA
1:30a
ONT
8:59a
7h 29m
1 stop
Depart: Thu Sep 28 2017 Return: Thu Oct 5 2017 Trip spans 8 days
Delta
Delta
ONT
2:00a
DCA
8:50a
6h 50m
1 stop
DCA
9:40a
ONT
9:44p
12h 04m
2 stops
Depart: Fri Jun 23 2017 Return: Wed Jul 5 2017 Trip spans 13 days
Major Airline
Major Airline
ONT
9:15a
IAD
5:17a
20h 02m
3 stops
IAD
9:20a
ONT
5:16p
31h 56m
3 stops
Depart: Wed Aug 16 2017 Return: Tue Aug 22 2017 Trip spans 7 days
American Airlines
American Airlines
ONT
9:10p
DCA
3:57a
6h 47m
1 stop
DCA
1:39a
ONT
8:57a
7h 18m
1 stop
Depart: Fri Aug 18 2017 Return: Tue Aug 22 2017 Trip spans 5 days
United
United
ONT
4:15p
IAD
12:40a
8h 25m
1 stop
IAD
12:30p
ONT
8:09p
7h 39m
1 stop
Depart: Wed Aug 23 2017 Return: Wed Aug 30 2017 Trip spans 8 days
American Airlines
American Airlines
ONT
8:59p
DCA
4:02a
7h 03m
1 stop
DCA
1:39a
ONT
8:57a
7h 18m
1 stop
Depart: Sat Aug 19 2017 Return: Wed Aug 23 2017 Trip spans 5 days
United
United
ONT
4:15p
IAD
12:40a
8h 25m
1 stop
IAD
12:30p
ONT
8:09p
7h 39m
1 stop
Depart: Fri Sep 22 2017 Return: Sat Sep 30 2017 Trip spans 9 days
American Airlines
American Airlines
ONT
8:59p
DCA
4:02a
7h 03m
1 stop
DCA
1:39a
ONT
8:57a
7h 18m
1 stop
Depart: Mon Aug 21 2017 Return: Sat Aug 26 2017 Trip spans 6 days
United
United
ONT
12:50p
IAD
10:40p
9h 50m
1 stop
IAD
12:30p
ONT
8:09p
7h 39m
1 stop
Depart: Fri Oct 13 2017 Return: Tue Oct 17 2017 Trip spans 5 days
American Airlines
American Airlines
ONT
8:59p
DCA
4:02a
7h 03m
1 stop
DCA
1:39a
ONT
8:57a
7h 18m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Ontario
$304
Destination

Washington
only $304
only $304