Find Deals on 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 Mar 21 2017 Return: Wed Apr 5 2017 Trip spans 16 days
Delta
Delta
EWR
ONT
8h 26m
1 stop
ONT
EWR
7h 23m
1 stop
Depart: Tue Apr 4 2017 Return: Wed Apr 12 2017 Trip spans 9 days
Major Airline
Major Airline
EWR
ONT
12h 46m
2 stops
ONT
EWR
15h 10m
2 stops
Depart: Sat May 6 2017 Return: Sat May 13 2017 Trip spans 8 days
United
United
EWR
ONT
9h 41m
1 stop
ONT
EWR
8h 18m
1 stop
Depart: Tue Mar 14 2017 Return: Tue Mar 21 2017 Trip spans 8 days
American Airlines
American Airlines
EWR
ONT
8h 18m
1 stop
ONT
EWR
6h 52m
1 stop
Depart: Tue Mar 28 2017 Return: Wed Apr 5 2017 Trip spans 9 days
Delta
Delta
EWR
ONT
8h 26m
1 stop
ONT
EWR
7h 23m
1 stop
Depart: Tue Apr 18 2017 Return: Tue Apr 25 2017 Trip spans 8 days
Delta
Delta
EWR
ONT
8h 24m
1 stop
ONT
EWR
7h 23m
1 stop
Depart: Tue May 2 2017 Return: Tue May 9 2017 Trip spans 8 days
Delta
Delta
EWR
ONT
8h 17m
1 stop
ONT
EWR
7h 15m
1 stop
Depart: Fri May 12 2017 Return: Wed May 17 2017 Trip spans 6 days
United
United
EWR
ONT
9h 06m
1 stop
ONT
EWR
7h 53m
1 stop
Depart: Thu Aug 17 2017 Return: Sun Aug 20 2017 Trip spans 4 days
American Airlines
American Airlines
EWR
ONT
7h 47m
1 stop
ONT
EWR
11h 09m
1 stop
Depart: Tue Jun 27 2017 Return: Sun Jul 2 2017 Trip spans 6 days
United
United
EWR
ONT
10h 38m
1 stop
ONT
EWR
9h 37m
1 stop
Depart: Sun Aug 20 2017 Return: Wed Aug 23 2017 Trip spans 4 days
American Airlines
American Airlines
EWR
ONT
7h 47m
1 stop
ONT
EWR
7h 42m
1 stop
Depart: Tue Jul 4 2017 Return: Tue Jul 18 2017 Trip spans 15 days
United
United
EWR
ONT
9h 03m
1 stop
ONT
EWR
7h 50m
1 stop
Depart: Thu Mar 30 2017 Return: Thu Apr 13 2017 Trip spans 15 days
United
United
EWR
ONT
11h 01m
1 stop
ONT
EWR
7h 08m
1 stop
Depart: Wed Apr 12 2017 Return: Wed Apr 19 2017 Trip spans 8 days
Delta
Delta
EWR
ONT
8h 24m
1 stop
ONT
EWR
7h 23m
1 stop
Depart: Thu Jul 13 2017 Return: Tue Jul 25 2017 Trip spans 13 days
American Airlines
American Airlines
EWR
ONT
7h 47m
1 stop
ONT
EWR
7h 31m
1 stop
Depart: Wed Aug 2 2017 Return: Wed Aug 9 2017 Trip spans 8 days
American Airlines
American Airlines
EWR
ONT
7h 31m
1 stop
ONT
EWR
6h 57m
1 stop
Depart: Tue Jun 20 2017 Return: Tue Jun 27 2017 Trip spans 8 days
United
United
EWR
ONT
10h 38m
1 stop
ONT
EWR
7h 50m
1 stop
Depart: Thu Apr 20 2017 Return: Mon Apr 24 2017 Trip spans 5 days
Delta
Delta
EWR
ONT
8h 24m
1 stop
ONT
EWR
7h 23m
1 stop
Depart: Tue Jun 13 2017 Return: Sat Jun 17 2017 Trip spans 5 days
American Airlines
American Airlines
EWR
ONT
7h 47m
1 stop
ONT
EWR
7h 42m
1 stop
Depart: Sun May 7 2017 Return: Thu May 18 2017 Trip spans 12 days
United
United
EWR
ONT
11h 51m
1 stop
ONT
EWR
7h 53m
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
$304
Destination

Ontario
$304