Southwest Terminal At Ontario Airport (ONT) Information

Southwest Airlines Ontario Terminal, Check-in, and Baggage Option:


Ontario International Airport






+1 909-544-5300

Terminal ADDRESS

Ontario, CA 91761, United States


What Terminal Is Southwest At Ontario International Airport?

Below are the details for Southwest Ontario (ONT) terminal:

Arrivals and Departures Terminal (ONT):

Southwest operates from Terminal 4 at Ontario International Airport (ONT) for all arrivals and departures. This is applicable for both domestic and international flights at Ontario (ONT) Airport.


  • Southwest Airlines Terminal 4 includes Gates: 403-407 at Ontario International Airport.
  • To obtain assistance regarding the Ontario International Airport terminal, please dial the telephone number +1 909-544-5300.
  • Southwest Airlines offers 105 flights each week from ONT airport to different cities.
  • On weekdays, there are 9 cities with nonstop flights from ONT, and on weekends, there are 9 cities.

Southwest Airlines At Ontario (ONT)

Southwest Airlines is the world's largest low-cost carrier with a flexible ticket policy. This airline provides excellent customer service, and convenient flight options to its passengers, which is why it is one of the most popular airlines in the US. While traveling with Southwest Airlines to Ontario, you will get many amenities that can be useful during the check-in at Southwest Terminal Ontario.

Ontario International Airport 

Ontario International Airport provides convenient and flexible service to its passengers which is why it is one of the popular airports in Southern California, US. Before Covid-19 this airport served commercial jet service to approx 26 major airports in the U.S., Taiwan, and Mexico. From Ontario, you can fly to Atlanta, Colonie, Austin, New York, and many more places. 

There are some details that you must know if you are planning to travel to Ontario Airport. Details are given below:

Lounges at ONT: ONT is one of the popular airports in Southern California and due to its popularity this place is very much crowded. So, if you want to escape from the rushed departure area, then you can wait at one of the lounges in the Southwest Terminal Ontario. The lounges at Ontario have Snacks counter, Bars, Display Tvs, Wifi, Digital magazines, newspaper, Play areas for children, and many more.

A few names of the lounges are given below:

  • Aspire Lounge
  • Mix Champagne Lounge
  • Misty's Lounge
  • Rock & Brews
  • Eighty Sixed Sports Lounge
  • Leos Corner Lounge & Grill
  • Falak Hookah Cafe

Dining options at ONT: If you like to eat a lot then you will not get disappointed if you are at ONT. Ontario Airport has many places where you can go to eat delicious food.

Some of the options are given below:

  • Dunkin' Donuts
  • Harvest & Grounds
  • Wahoo's Fish Taco
  • Jake’s Bar
  • Yo-Kai Express

Car rental: If you have a driving license then you can rent a car through many car rental companies at Southwest Airlines Ontario Airport for easy travel. Some of the common car rental brands are given below:

  • Green Motion
  • Avis
  • Sixt
  • Alamo
  • Budget
  • Dollar
  • Europcar

Flight Options and Destinations

Southwest Airlines is popular because of its low-fare flexible tickets. This airline operates several flight destinations. Southwest offers direct and connecting flight options. 

Direct Flights to Ontario

Southwest Airlines provides 79 (non-stop) direct flights to Ontario International Airport. The name of some cities is given below:

  • Austin, Texas
  • Chicago, Illinois
  • Dallas, Texas
  • Denver, Colorado
  • Las Vegas, Nevada
  • Phoenix, Arizona.

Connecting Flights to Ontario 

Southwest Airlines also provides 79 connecting flights to Ontario International Airport. The name of some cities is given below:

  • Albany, New York
  • Eugene, Oregon
  • Hartford, Connecticut
  • Miami, Florida
  • Salt Lake City, Utah
  • Washington.

Publish Date: 06/05/2023