Ontario Airport Guide to Ontario International Airport (ONT)

Ontario Airport Terminal 4

Ontario Airport Terminal 4 consists of a total of 14 boarding gates. 

Please note that the terminal is served by both American and Southwest. 

Transfer between terminals 

A free shuttle service is provided to connect the passenger terminals, the parking lot 5, the Ontario Bob Hope USO, and the Rental Car Facility.

Note that shuttles are wheelchair accessible.

Schedule: 24/7, every 5 up to 20 minutes, with less frequency between 12:30 am to 03:00 am. 


Take a look at the levels in Ontario Airport Terminal 4: 

- Lower level: Find here the Arrivals area and the baggage claim area. Other services: Ticketing counters, information kiosks, vending machines, travelers aid, among others. 

Ground transportation: Taxis, airport shuttle, car rental, hotel shuttles and shared ride vans. 

Please note that there’s an escalator to the upper level. 


- Upper level: Concessions and access to the departure gates 408, 409, 410, 407 to 401. 

Services: ATMs, restaurants and retail stores. 

International arrivals are operated from the International Arrivals Building. 


See the Services in Ontario Airport Terminal 4: 

  • Restaurants and cafeterias
  • Shops and Duty free
  • Wi-Fi access
  • Car rental services
  • Transportation access
  • Parking access
  • Taxi/Shuttle access
  • ATMs
  • Cash Machines
  • Banking Services
  • Currency Exchange
  • Lost Property services

See more Services