Find Cheap Flights from Newark to Ontario (EWR - 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 Newark to Ontario

(Round-trip)
Depart: Tue May 9 2017 Return: Tue May 16 2017 Trip spans 8 days
United
United
EWR
ONT
9h 06m
1 stop
ONT
EWR
9h 48m
1 stop
Depart: Tue Sep 5 2017 Return: Tue Sep 12 2017 Trip spans 8 days
Major Airline
Major Airline
EWR
ONT
12h 30m
2 stops
ONT
EWR
8h 45m
2 stops
Depart: Tue Oct 17 2017 Return: Sat Oct 28 2017 Trip spans 12 days
Delta
Delta
EWR
ONT
7h 44m
1 stop
ONT
EWR
7h 09m
1 stop
Depart: Sat May 13 2017 Return: Mon May 22 2017 Trip spans 10 days
American Airlines
American Airlines
EWR
ONT
8h 10m
1 stop
ONT
EWR
6h 48m
1 stop
Depart: Fri Jun 2 2017 Return: Mon Jun 5 2017 Trip spans 4 days
United
United
EWR
ONT
8h 41m
1 stop
ONT
EWR
8h 10m
1 stop
Depart: Sun Jul 2 2017 Return: Fri Jul 7 2017 Trip spans 6 days
Major Airline
Major Airline
EWR
ONT
12h 37m
1 stop
ONT
EWR
11h 03m
1 stop
Depart: Sat May 20 2017 Return: Tue Jun 6 2017 Trip spans 18 days
American Airlines
American Airlines
EWR
ONT
8h 10m
1 stop
ONT
EWR
7h 36m
1 stop
Depart: Fri Jun 9 2017 Return: Mon Jun 12 2017 Trip spans 4 days
United
United
EWR
ONT
10h 34m
1 stop
ONT
EWR
8h 32m
1 stop
Depart: Mon Aug 21 2017 Return: Fri Aug 25 2017 Trip spans 5 days
United
United
EWR
ONT
10h 20m
1 stop
ONT
EWR
9h 37m
1 stop
Depart: Thu Aug 17 2017 Return: Mon Aug 21 2017 Trip spans 5 days
American Airlines
American Airlines
EWR
ONT
7h 46m
1 stop
ONT
EWR
9h 05m
1 stop
Depart: Sat Oct 14 2017 Return: Sun Oct 29 2017 Trip spans 16 days
United
United
EWR
ONT
8h 28m
1 stop
ONT
EWR
8h 01m
1 stop
Depart: Tue Aug 22 2017 Return: Mon Aug 28 2017 Trip spans 7 days
American Airlines
American Airlines
EWR
ONT
7h 44m
1 stop
ONT
EWR
6h 57m
1 stop
Depart: Sat Aug 26 2017 Return: Fri Sep 1 2017 Trip spans 7 days
American Airlines
American Airlines
EWR
ONT
7h 44m
1 stop
ONT
EWR
6h 57m
1 stop
Depart: Sun Apr 30 2017 Return: Tue May 9 2017 Trip spans 10 days
United
United
EWR
ONT
11h 31m
1 stop
ONT
EWR
10h 48m
1 stop
Depart: Sat Jun 24 2017 Return: Sat Jul 1 2017 Trip spans 8 days
Major Airline
Major Airline
EWR
ONT
18h 36m
1 stop
ONT
EWR
16h 01m
1 stop
Depart: Tue Jul 18 2017 Return: Tue Jul 25 2017 Trip spans 8 days
American Airlines
American Airlines
EWR
ONT
16h 17m
1 stop
ONT
EWR
8h 40m
1 stop
Depart: Wed Jun 14 2017 Return: Fri Jun 23 2017 Trip spans 10 days
United
United
EWR
ONT
9h 32m
1 stop
ONT
EWR
9h 08m
1 stop
Depart: Tue Sep 5 2017 Return: Sun Sep 10 2017 Trip spans 6 days
United
United
EWR
ONT
8h 58m
1 stop
ONT
EWR
8h 55m
1 stop
Depart: Mon Aug 7 2017 Return: Sat Aug 12 2017 Trip spans 6 days
American Airlines
American Airlines
EWR
ONT
7h 46m
1 stop
ONT
EWR
6h 51m
1 stop
Depart: Thu Sep 28 2017 Return: Sun Oct 8 2017 Trip spans 11 days
United
United
EWR
ONT
8h 53m
1 stop
ONT
EWR
7h 50m
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

Newark
$324
Destination

Ontario
$324