Find Deals on Flights from Washington Reagan-National to Ontario (DCA - 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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington Reagan-National to Ontario

(Round-trip)
Depart: Tue Oct 11 2016 Return: Sat Oct 15 2016 Trip spans 5 days
American Airlines
American Airlines
DCA
3:00a
ONT
10:31a
7h 31m
1 stop
ONT
8:25a
DCA
2:59p
6h 34m
1 stop
Depart: Thu Oct 13 2016 Return: Tue Oct 18 2016 Trip spans 6 days
Delta
Delta
DCA
12:45p
ONT
9:59p
9h 14m
1 stop
ONT
6:22a
DCA
3:59p
9h 37m
1 stop
Depart: Sat Oct 22 2016 Return: Mon Oct 24 2016 Trip spans 3 days
Major Airline
Major Airline
DCA
12:00a
ONT
12:05p
12h 05m
2 stops
ONT
10:00p
DCA
10:58a
12h 58m
2 stops
Depart: Tue Nov 15 2016 Return: Wed Nov 30 2016 Trip spans 16 days
United
United
DCA
11:11a
ONT
6:22p
7h 11m
1 stop
ONT
12:45a
DCA
7:08a
6h 23m
1 stop
Depart: Fri Feb 24 2017 Return: Mon Feb 27 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
DCA
12:15p
ONT
6:23p
30h 08m
1 stop
ONT
3:59p
DCA
9:53a
17h 54m
1 stop
Depart: Wed Oct 12 2016 Return: Sat Oct 15 2016 Trip spans 4 days
American Airlines
American Airlines
DCA
1:40a
ONT
9:03a
7h 23m
1 stop
ONT
8:25a
DCA
2:59p
6h 34m
1 stop
Depart: Thu Oct 27 2016 Return: Fri Oct 28 2016 Trip spans 2 days
Delta
Delta
DCA
12:45p
ONT
9:59p
9h 14m
1 stop
ONT
2:00a
DCA
8:50a
6h 50m
1 stop
Depart: Wed Oct 19 2016 Return: Tue Oct 25 2016 Trip spans 7 days
American Airlines
American Airlines
DCA
1:40a
ONT
9:03a
7h 23m
1 stop
ONT
8:25a
DCA
2:59p
6h 34m
1 stop
Depart: Tue Dec 13 2016 Return: Tue Dec 20 2016 Trip spans 8 days
United
United
DCA
11:11a
ONT
6:22p
7h 11m
1 stop
ONT
12:40a
DCA
6:54a
6h 14m
1 stop
Depart: Tue Oct 25 2016 Return: Sat Oct 29 2016 Trip spans 5 days
American Airlines
American Airlines
DCA
1:40a
ONT
9:03a
7h 23m
1 stop
ONT
8:25a
DCA
2:59p
6h 34m
1 stop
Depart: Mon Nov 7 2016 Return: Wed Nov 16 2016 Trip spans 10 days
Major Airline
Major Airline
DCA
10:00p
ONT
10:27a
12h 27m
1 stop
ONT
10:59a
DCA
4:48a
17h 49m
1 stop
Depart: Mon Oct 31 2016 Return: Tue Nov 8 2016 Trip spans 9 days
Delta
Delta
DCA
12:45p
ONT
9:59p
9h 14m
1 stop
ONT
8:20a
DCA
2:59p
6h 39m
1 stop
Depart: Wed Oct 26 2016 Return: Sat Oct 29 2016 Trip spans 4 days
American Airlines
American Airlines
DCA
1:40a
ONT
9:03a
7h 23m
1 stop
ONT
8:25a
DCA
2:59p
6h 34m
1 stop
Depart: Sat Jan 14 2017 Return: Tue Jan 17 2017 Trip spans 4 days
United
United
DCA
3:30a
ONT
10:38a
7h 08m
1 stop
ONT
1:00a
DCA
7:24a
6h 24m
1 stop
Depart: Thu Oct 20 2016 Return: Wed Oct 26 2016 Trip spans 7 days
Delta
Delta
DCA
12:45p
ONT
9:59p
9h 14m
1 stop
ONT
6:22a
DCA
3:59p
9h 37m
1 stop
Depart: Tue Nov 1 2016 Return: Wed Nov 16 2016 Trip spans 16 days
American Airlines
American Airlines
DCA
3:00a
ONT
10:31a
7h 31m
1 stop
ONT
7:45a
DCA
1:59p
6h 14m
1 stop
Depart: Sat Oct 8 2016 Return: Wed Oct 12 2016 Trip spans 5 days
United
United
DCA
4:30a
ONT
11:49a
7h 19m
1 stop
ONT
5:20a
DCA
2:29p
9h 09m
1 stop
Depart: Fri Oct 28 2016 Return: Sun Oct 30 2016 Trip spans 3 days
Delta
Delta
DCA
12:45p
ONT
9:59p
9h 14m
1 stop
ONT
2:00a
DCA
8:50a
6h 50m
1 stop
Depart: Mon Dec 19 2016 Return: Sun Dec 25 2016 Trip spans 7 days
United
United
DCA
11:05a
ONT
6:29p
7h 24m
1 stop
ONT
12:40a
DCA
6:57a
6h 17m
1 stop
Depart: Mon Oct 17 2016 Return: Tue Oct 18 2016 Trip spans 2 days
Delta
Delta
DCA
12:45p
ONT
9:59p
9h 14m
1 stop
ONT
6:22a
DCA
3:59p
9h 37m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Washington
$289
Destination

Ontario
$289