06/22/2026
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In-N-Out Burger
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- In-N-Out Burger
In-N-Out Burger is a popular fast food restaurant located on E Ontario Mills Pkwy in Ontario. They specialize in serving delicious burgers using juicy 100% beef patties and freshly baked buns, hand-cut fries made from whole potatoes, and real ice cream shakes. Customers can enjoy their meal at the sit-down dining room or take advantage of the single drive-thru lane. Offering dinner and lunch, In-N-Out Burger has been serving quality fast food the old-fashioned way since 1948.
(2288)
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Address
4310 E Ontario Mills Pkwy
Ontario, CA
91764
For public transport: Take the Metrolink train to the Ontario Station. Exit on Holt Blvd and transfer to bus route 61 heading towards Ontario Mills. Get off at E Ontario Mills Pkwy and walk about 10 minutes east to reach the restaurant.
For driving/parking: Take I-10 East and exit on Milliken Ave. Turn right onto E Milliken Ave, then left onto Concours St. Turn right onto N Milliken Ave and left onto E Guasti Rd. Turn left onto E Ontario Mills Pkwy and the restaurant will be on your right-hand side. There is parking available in the shopping center lot where the restaurant is located.
Opening Hours
| Monday | 10:30am - 1am |
| Tuesday | 10:30am - 1am |
| Wednesday | 10:30am - 1am |
| Thursday | 10:30am - 1am |
| Friday | 10:30am - 1:30am |
| Saturday | 10:30am - 1:30am |
| Sunday | 10:30am - 1am |
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What people say
Fast food restaurants are known for their quick service and convenience, but what sets In-N-Out Burger apart is their commitment to quality. From the moment you take your first bite of their juicy 100% beef patty burger, you can taste the difference that fresh ingredients make. The buns are freshly baked, the produce is crisp and flavorful, and the fries are hand-cut from whole potatoes.
In-N-Out Burger has been doing fast food the old-fashioned way since 1948, and it shows in every aspect of their menu. Whether you're in the mood for a classic hamburger or cheeseburger, or want to indulge in a delicious shake made with real ice cream, In-N-Out Burger has something for everyone.
Located on E Ontario Mills Pkwy, this fast food restaurant offers a dining experience that is both convenient and satisfying. So if you're looking for a delicious meal that's made with quality ingredients and served up with a smile, look no further than In-N-Out Burger. Quality you can taste®.