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Terminals 2 and 4 each have two Automated Teller Machines (ATM), one on the Lower Level and one on the Upper Level.

The ATMs on the Lower Level, in both terminals, are located across from the Information Desk and the ATMs on the Upper Level are located across from Gate 206 in Terminal 2 and across from Gate 407 in Terminal 4.

Our International Terminal (FIS) Facility also has an ATM near the U.S. Customs and Border Patrol (CBP) window on the left hand side as you enter the facility. 

There is also one ATM in the Rental Car Facility.

Baggage claim areas are located on the ground level of both terminals.

Luggage cart rentals are available in the baggage claim areas.

Skycap service is available in front of the terminals across from the ticket counters.

Travelers with special requirements should arrive at the airport one hour before the airline's recommended arrival time, to ensure timely processing in the event of unexpected circumstances. 

Open from 4:30 a.m. to 11 p.m. daily, enjoy our Escape Lounges near gates 210 (Terminal 2) and 410 (Terminal 4).

Entry: Free for American Express Platinum cardholders + two complimentary guests

Non-AMEX platinum guests: $45 at the door; $40 online at


Refill your water bottle at one of our 16 hydration stations. Located in Terminal 2 and Terminal 4.

Contact your airline first if you have a problem with lost luggage or other items left onboard an aircraft. Items left or lost in the public areas of Ontario International Airport, including gate areas or security checkpoints may have been turned into our Lost & Found Department.

All Items stored in our Lost & Found Department must be claimed within 90 days, or items will be disposed of.

Driver License, ID, Passports and Credit Cards are only held 5 working days then returned to issuing agency or destroyed.

Located in Terminal 2 - behind the information desk
(909) 544-5128 

Fill out the lost and found form

Hours of Operation: 7 AM to 12 PM and 1 PM to 3:30 PM
Pacific time, Monday to Friday.

The office is closed on weekends and holidays.

Terminal 2 – Located on the 2nd floor past TSA screening, across from Gate 207, next to the Women’s Restroom.

Terminal 4 – Located on the 2nd floor past TSA screening, across from Gate 407, next to the Family Restroom.

The Nursing Rooms at ONT provide a private and secure space for a mother to pump or breastfeed. The Nursing Rooms are not associated with a restroom but are in close proximity.

The rooms were constructed following the California Building Code and comply with federal and state ADA standards. Padded benches and an electrical outlet are provided in each room.


Pet relief areas are located outside and inside the terminals. Outside pet relief areas are located at the far ends of the terminal buildings. Inside pet relief areas are located near gates 210 (Terminal 2) and 410 (Terminal 4).

The Rental Car Center is located at 3450 E. Airport Drive providing service through nine transportation companies. Find out more on our Rental Cars page

Be on the lookout for ONT's very own registered therapy dogs - the ONT Paw Squad. You'll know these friendly pups by their turquoise bandanas and wagging tails.The ONT Paw Squad's mission is to put a smile on your face, bring joy to your day, and to help make travel through ONT an even happier experience. Feel free to pet and collect a trading card when you see them! Email [email protected] for more info on the program.

Administration Office (909) 544-5378
Airport Information Terminal 2 (909) 544-5458
Airport Information Terminal 4 (909) 544-5459
Hours of Service at ONT 9AM to 9PM


Millions of travelers pass through Ontario International Airport every year. Travelers Aid Volunteers are there to assist them with information to make their way through the airport as well as around the Inland Empire.

Volunteers serve at the Welcome/Information Center located in both Terminals 2 & 4 providing directions, information and friendly assistance. Volunteers commit to work at least one four-hour shift each week at the airport.

Download an application or call (909) 544-5378 to request one.

Please email your completed application to [email protected].

The Ontario-USO lounge is located in the Administration Building (old Terminal 1) across from Parking Lot F at 1940 East Moore Way. There is free shuttle service available from Terminals 2 and 4.

The facility has approximately 10,000 square feet of space that features spacious and comfortable television lounges with a library of films and television shows; free library of books and magazines; computers with internet access; game room; luggage storage; children’s area and nursery; "Canteen" snack bar; family room; nap room; international map display area; and outdoor patio area. All services are provided to troops and their families free of charge. Hours are 6AM-10PM daily.

The facility will serve more than 28,400 active duty, reserve and retired service members and their families each year.

To contact the USO:

Phone: (909) 390-4274
Email: [email protected]

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