Southwest Airlines operates from Terminal 1 at Ontario International Airport ONT, ensuring a seamless travel experience for passengers. Whether you’re arriving, departing, or seeking assistance, this guide covers everything you need to know about the Southwest Airlines ONT Terminal.

How to Contact Southwest Airlines Terminal ONT?
Airport Name | Ontario International Airport |
Ontario International Airport Address | 1923 E Avion St, Ontario, CA 91761, American States |
Ontario International Airport Phone Number | +1-844-780-0016 / 1 909-937-2700 |
Southwest Airlines Contact Number | 1-800-435-9792 |
Ontario International Airport Airport Code | ONT |
Southwest Airlines Ticket Counter Hours: | 10 AM for 7 AM |
Type | International |
Southwest Airlines ONT Terminal | Terminals 1 |
Southwest Airlines Official Website | https://www.southwest.com/ |
Official YouTube | https://www.youtube.com/user/NutsAboutSouthwest |
Official Twitter | https://twitter.com/southwestair |
Official Facebook | https://www.facebook.com/SouthwestAir |
Official Instagram | https://www.instagram.com/southwestair/ |
What is the Southwest Airlines ONT Terminal Address?
1923 E Avion St, Ontario, CA 91761, American States
Visit All: Southwest Airlines Terminal
Queries Handled by Southwest Airlines ONT Terminal
ATMs and Cash | Baby Care Rooms | ONT Self-service Kiosks |
Banks and Forex | Quiet Seating Spaces | Southwest Airlines Flight Tracking Displays |
Family Restrooms | Southwest Airlines Reservation Options | Southwest Airlines Wheelchair Assistance |
Medical Facilities | Southwest Airlines Cancellations & Refund | Airport Guides |
Emergency Services | Southwest Airlines Seat Upgradations | Southwest Airlines Lost and Found dept. |
Wifi or Internet Access | Check-in Counters | Assistance for Physically Impaired |
FAQs on Southwest Airlines Terminal ONT Terminal – Ontario International Airport
Southwest Airlines operates from Terminal 1 at Ontario International Airport ONT.
Yes, Southwest Airlines provides Wi-Fi services on most of its flights departing from ONT. Passengers can access in-flight internet for entertainment and productivity.
Southwest Airlines flights depart from Terminal 1 at ONT Airport.
Arriving Southwest Airlines flights land at Terminal 1 at ONT Airport.
Southwest Airlines flights operate from Terminal 1 at ONT for both domestic and international routes.
Southwest Airlines exclusively uses Terminal 1 at ONT Airport for its operations.
Passengers are advised to arrive at least 2 hours before domestic flights and 3 hours before international flights to complete check-in, security screening, and boarding procedures efficiently.
The baggage claim area for Southwest Airlines flights is located in Terminal 1, near the arrivals section.
Yes, Southwest Airlines offers online check-in through its website and mobile app, allowing passengers to check in 24 hours before departure.
Passengers arriving at or departing from Southwest Airlines’ ONT Terminal can access various transportation options, including:
Taxis and ride-sharing services (Uber, Lyft)
Public transportation (AirTrain ONT, subway, buses)
Rental car services
Private car and shuttle services