What Terminal is Southwest Airlines at ONT – Ontario International Airport

Southwest Airlines ONT Terminal Essential Information

Services & Amenities Offered at Southwest Airlines Terminal ONT

  • Ticket Booking and Cancellation
  • Baggage Allowance
  • Airport / Online / Self-service Kiosk Check-in
  • Airport Transfers
  • Unaccompanied Minor Service
  • Duty-Free Allowance
  • In-Flight Meals / Entertainment
  • Missing / Delayed / Lost Luggage
  • Airport Lounges
  • Flight Information / Flight Status
  • Delayed / Canceled Flights
  • Airport Facilities
  • Animal Relief Area
  • Boarding Class Enquiries
  • Valet Parking
  • Airport / Inflight Wi-Fi
  • Skycap
  • Rapid Rewards®

Southwest Airlines ONT Ontario International Airport Terminal Location Map

Frequently Asked Questions:

Which terminal is Southwest Airlines at ONT Airport?

Southwest Airlines flight functions are handled from Terminal 4 at Ontario International Airport.

How do I contact Southwest Airlines?

Call +19095445300 to speak with a Southwest Airlines executive.

Can I travel with my pet on Southwest Airlines?

Yes! Southwest Airlines provides pet travel service on domestic flights.

Does Southwest Airlines offer Wi-Fi?

No! Southwest Airlines does not offer inflight Wi-Fi/internet service.

Where is the ONT arrival terminal at Southwest Airlines?

At Ontario International Airport Southwest Airlines flights arrive at Terminal 4.

Where is the ONT departure terminal at Southwest Airlines?

At Ontario International Airport Southwest Airlines flights depart at Terminal 4.

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