Learn More About Southwest Airlines ONT Terminal
| Airport Name | Ontario International Airport |
| Southwest Airlines ONT Arrivals Terminal | Terminal 4 |
| Southwest Airlines ONT Departures Terminal | Terminal 4 |
| Airport Code | ONT |
| ONT Airport Address | Ontario, CA 91761, United States |
| IATA Code | WN |
| ICAO Code | SWA |
| Ticket Counter Hours | 24 hours a Day |
| Country | United States |
| City | Ontario |
| Contact Number | 1 (800) 435-9792 |
| Airport Official Website | https://www.flyontario.com/ |
Services Guide for Southwest Airlines ONT Terminal
| Flight Bookings | Online Check-in |
| Baggage Assistance | Seat Selection |
| Travel Updates | Inflight Snacks |
| Rapid Rewards | Mobile Boarding |
| Customer Support | Group Travel |
| Pet Travel | Special Assistance |
| Flight Changes | Priority Boarding |
| Wi-Fi Access | Gift Cards |
| Vacation Packages | Refund Assistance |
Read all: Southwest Airlines Terminals Worldwide
Map To Locate Southwest Airlines Ontario International Airport
Learn More About Southwest Airlines’ Head Office
| Head Office Address | Love Field, Dallas, Texas, U.S. |
| Phone Number | N/A |
| Southwest Airlines Official Website | https://www.southwest.com/ |
| YouTube | https://www.youtube.com/@Southwest |
| http://twitter.com/SouthwestAir | |
| http://www.facebook.com/SouthwestAir | |
| https://www.instagram.com/southwestair/ |
Frequently Asked Questions
What terminal is Southwest Airlines at ONT?
Southwest Airlines operates from Terminal 4 at ONT.
What terminal is Southwest Airlines at Ontario International Airport?
Terminal 4 is an operational hub for Southwest Airlines at Ontario International Airport.
What Terminal is Southwest Airlines arrivals at ONT?
Southwest Airlines uses Terminal 4 for its arrivals at ONT.
What terminal is Southwest Airlines Departure in ONT?
Terminal 4 is a central point for its departure in ONT.
Does Southwest have 24-hour cancellation?
Yes, Southwest Airlines has a 24-hour cancellation.
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