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: Thu Nov 23 2017 Return: Tue Nov 28 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
IAD
8:14a
8h 14m
1 stop
IAD
12:00a
ONT
7:52a
7h 52m
1 stop
Depart: Wed Aug 30 2017 Return: Wed Sep 6 2017 Trip spans 8 days
Delta
Delta
ONT
12:00a
DCA
6:59a
6h 59m
1 stop
DCA
12:00a
ONT
7:35a
7h 35m
1 stop
Depart: Tue Aug 1 2017 Return: Mon Aug 14 2017 Trip spans 14 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: Thu Oct 19 2017 Return: Mon Oct 23 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
IAD
7:00a
7h 00m
1 stop
IAD
12:00a
ONT
9:06a
9h 06m
1 stop
Depart: Tue Aug 1 2017 Return: Thu Aug 3 2017 Trip spans 3 days
United
United
ONT
12:00a
IAD
6:47a
6h 47m
1 stop
IAD
12:00a
ONT
7:25a
7h 25m
1 stop
Depart: Mon Nov 20 2017 Return: Fri Nov 24 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
DCA
7:31a
7h 31m
1 stop
DCA
12:00a
ONT
12:49a
24h 49m
1 stop
Depart: Thu Sep 28 2017 Return: Sat Sep 30 2017 Trip spans 3 days
Delta
Delta
ONT
12:00a
DCA
6:58a
6h 58m
1 stop
DCA
12:00a
ONT
7:33a
7h 33m
1 stop
Depart: Tue Aug 22 2017 Return: Tue Aug 29 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
IAD
7:21a
7h 21m
1 stop
IAD
12:00a
ONT
7:03a
7h 03m
1 stop
Depart: Thu Aug 17 2017 Return: Mon Aug 28 2017 Trip spans 12 days
Delta
Delta
ONT
12:00a
DCA
12:00p
12h 00m
2 stops
DCA
12:00a
ONT
11:12a
11h 12m
2 stops
Depart: Wed Aug 2 2017 Return: Mon Aug 7 2017 Trip spans 6 days
American Airlines
American Airlines
ONT
12:00a
DCA
1:20p
13h 20m
1 stop
DCA
12:00a
ONT
8:36p
20h 36m
1 stop
Depart: Tue Sep 12 2017 Return: Sat Sep 16 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
DCA
7:45a
7h 45m
1 stop
DCA
12:00a
ONT
7:43a
7h 43m
1 stop
Depart: Wed Dec 13 2017 Return: Wed Jan 10 2018 Trip spans 29 days
Delta
Delta
ONT
12:00a
DCA
6:50a
6h 50m
1 stop
DCA
12:00a
ONT
9:01a
9h 01m
1 stop
Depart: Wed Sep 13 2017 Return: Sat Sep 16 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
DCA
9:01a
9h 01m
1 stop
DCA
12:00a
ONT
7:43a
7h 43m
1 stop
Depart: Wed Aug 2 2017 Return: Thu Aug 10 2017 Trip spans 9 days
American Airlines
American Airlines
ONT
12:00a
DCA
6:47a
6h 47m
1 stop
DCA
12:00a
ONT
7:29a
7h 29m
1 stop
Depart: Thu Sep 21 2017 Return: Wed Sep 27 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
IAD
9:54a
9h 54m
1 stop
IAD
12:00a
ONT
7:05a
7h 05m
1 stop
Depart: Wed Dec 13 2017 Return: Mon Jan 15 2018 Trip spans 34 days
Delta
Delta
ONT
12:00a
DCA
6:50a
6h 50m
1 stop
DCA
12:00a
ONT
9:01a
9h 01m
1 stop
Depart: Wed Aug 2 2017 Return: Mon Aug 14 2017 Trip spans 13 days
American Airlines
American Airlines
ONT
12:00a
DCA
6:57a
6h 57m
1 stop
DCA
12:00a
ONT
7:46a
7h 46m
1 stop
Depart: Wed Sep 13 2017 Return: Thu Sep 14 2017 Trip spans 2 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
DCA
9:01a
9h 01m
1 stop
DCA
12:00a
ONT
7:33a
7h 33m
1 stop
Depart: Thu Dec 14 2017 Return: Wed Jan 10 2018 Trip spans 28 days
Delta
Delta
ONT
12:00a
DCA
6:50a
6h 50m
1 stop
DCA
12:00a
ONT
9:01a
9h 01m
1 stop
Depart: Tue Oct 10 2017 Return: Thu Oct 12 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
DCA
7:35a
7h 35m
1 stop
DCA
12:00a
ONT
7:38a
7h 38m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Why aren’t prices accurate 100% of the time?
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
$295
Destination

Washington
only $295
only $335