The Southwest Airlines ONT Terminal offers extensive facilities to ensure a seamless journey for passengers. The terminal has multiple check-in counters and self-service kiosks to provide travelers with an efficient check-in experience. In addition to check-in, the Ontario Airport Southwest Terminal 4 is equipped with modern amenities to make your time at ONT more comfortable. From convenient lounges and family-friendly areas to efficient baggage handling and clear signage throughout the terminal, every detail is designed to simplify your journey and reduce travel stress. Would you like to know more about the terminal? Read the following travel guide!
Southwest Airlines ONT Terminal: A Brief Outline
Before we delve into the amenities you will enjoy at the Southwest Airlines Ontario Terminal, here are some necessary details you must know before starting your trip. Elevate your travel experience with the information below, and note the details if you wish.
| Airport Name | Ontario International Airport |
| Ontario International Airport Address | Ontario, CA 91761, United States |
| Southwest Airlines ONT Terminal Arrivals & Departures Terminal | Terminal 4 |
| Airport Code | ONT |
| City | Ontario |
| Country | United States |
| Contact Number | +1 (833) 435-9668 |
| Working Hours | 24 hours |
| Official Website | www.southwest.com |
| Twitter Handle | twitter.com/SouthwestAir |
| Instagram Page | www.instagram.com/southwestair |
| www.facebook.com/SouthwestAir | |
| Youtube | www.youtube.com/@SouthwestAir |
Map Location of Ontario International Airport
List of All Southwest Airlines Terminals Worldwide.
Southwest Airlines Executive Office Details
To gain a deep insight into Southwest Airlines’ policies, amenities, and rules, you can visit its head office. The available staff will provide you with proper guidance and help you understand everything. You can freely present your queries to the professionals and expect a positive solution.
| Head Office Address | 2702 Love Field Dr, Dallas, TX 75235, United States |
| Make a ring at | +12147924000 |
| Working Hours | Weekly Days ( 9 am to 5 pm)Weekends ( close) |
| Oficial Website | www.southwest.com/ |
Southwest Airlines ONT Terminal resolves the following queries:
The ONT Terminal provides a range of services and amenities for its passengers. These services make flying easier and more comfortable for the passengers. Upon arrival at the airport, passengers can complete their pre-departure procedures at the available counters.
Check in and Upgrades
Contact the Southwest Terminal Ontario office a few hours before your departure date if you need assistance with check-in. You will also be checked in for your flight. If you are interested in any upgrades, such as preferred seating or additional services, let the staff know during your call or at the time of assistance. They will help ensure everything is arranged before your flight.
Reservation and Cancellation
Passengers can easily make reservations for their upcoming trip and cancel their bookings at the Ontario Airport Southwest Terminal Arrivals areas. However, to avoid any consequences, passengers must visit the airport at least 48 hours prior to their trip to make or cancel their air ticket bookings. Visiting early also gives you the chance to explore available offers and secure the best option for your travel.
Assistance for the special and disabled people
Suppose you need medical equipment, medications, wheelchair assistance, stretcher support, emergency aid, or any other additional care to ensure your safety. Please inform the Southwest Airlines terminal at Ontario International Airport executives in advance, and they will arrange the necessary support for you. The staff is trained to assist passengers with special needs and will ensure you receive the appropriate services to make your journey comfortable and safe.
Unaccompanied Minor service
Children who are traveling without their parents, guardians, or other adults are covered by this program. The Southwest executives ensure that unaccompanied minors are safely guided through check-in, boarding, and arrival procedures. They will be supervised throughout the journey to ensure a safe and comfortable travel experience.
Not only these, but there are a lot you can explore at Ontario International Airport, and to know that, read the following table designed below:
| Flight Ticket Booking | Ok to Board | Flight Ticket Cancellation |
| Airport Lounges | Visa Services | Baggage Allowance, Online Check-in |
| Airport Transfers | Meet and Greet | Duty-Free Allowance |
| Immigration Services | Business Class | In-Flight Meals |
| Missing Luggage | Airport Lounges | Flight/Visa Info |
| Miles | Economy Class | Delayed Flights |
| Airport Facilities | In-Flight Entertainment | Airport Wifi |
| Valet Parking | Visa on Arrival | Flight Wifi |
Wrapping Up!
The Southwest Airlines ONT Terminal offers travelers a smooth experience. If you have any queries, make sure to connect with the staff directly.
Frequently Asked Questions!
Southwest Airlines operates from Terminal 4 at ONT International Airport.
Yes, ONT Airport offers several lounges for passengers, providing comfortable seating, refreshments, and additional amenities.
Southwest Airlines passengers will depart from Terminal 4 of ONT Airport.
You can connect with Southwest Airlines by calling their customer support or using their social media channels.
Southwest Airlines’ corporate office is located in Dallas, Texas, United States.









