Welcome to
In-N-Out Burger

Ontario CA - 4310 E. Ontario Mills Pkwy., 91764

Number One with Onions
In-N-Out Burger - Ontario, CA, 4310 E. Ontario Mills Pkwy..

Welcome to our restaurant in Ontario, CA.
At In-N-Out Burger we use only the freshest ingredients with no heat lamps, freezers or microwaves to deliver on our promise of Quality You Can Taste®.

Restaurant Details

Drive-thru and Dine-in Seating Available

Directions

On Ontario Mills E of Milliken; N of 10 Fwy near Ontario Mills Mall

Get Driving Directions

Today's Hours

10:30 a.m. - 1:00 a.m.

Normal Hours of Operation

Sunday - Thursday 10:30 a.m. - 1:00 a.m.
Friday - Saturday 10:30 a.m. - 1:30 a.m.



Double-Double Burger View Our Menu

Other Nearby Locations

  • Rancho Cucamonga

    12599 Foothill Blvd.
    Rancho Cucamonga, CA 91739
    3.01 miles away
    Drive-thru and Dine-in Seating Available
    Today's hours:
    10:30 a.m. - 1:00 a.m.

  • Ontario

    1891 E. G Street
    Ontario, CA 91764
    3.12 miles away
    Drive-thru and Patio Seating Available
    Today's hours:
    10:30 a.m. - 1:00 a.m.

  • Rancho Cucamonga

    8955 Foothill Blvd.
    Rancho Cucamonga, CA 91730
    3.99 miles away
    Drive-thru and Dine-in Seating Available
    Today's hours:
    10:30 a.m. - 1:00 a.m.

  • Eastvale

    4950 Hamner Avenue
    Eastvale, CA 91752
    4.84 miles away
    Drive-thru and Dine-in Seating Available
    Today's hours:
    10:30 a.m. - 1:00 a.m.