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Ontario International Airport, California, is the bustling hub of 12 major international airlines. The airlines here cater to 30 destinations across the United States, Mexico, Central America, and Asia. The Ontario Airport is nearest to the Los Angeles International Airport and offers cheaper flights.
This article offers an in-depth look at Ontario Airport airlines that are assigned to each terminal, alongside the relevant contact details.
List of Airlines Operating at Ontario International Airport (ONT)
Over 90 daily non-stop ONT flights operate from its two modern passenger terminals – Terminal 2 and Terminal 4. Terminal 2 handles a mix of domestic and international Ontario Airport Airlines. On the other hand, Terminal 4 is the hub for American Airlines, Hawaiian Airlines, and Southwest Airlines.
Below is a detailed breakdown of Airlines, arranged for terminals of ONT, along with their contact details:
Terminal 2
Terminal 2 of Ontario Airport is the hub for domestic carriers like Alaska Airlines, Delta Airlines and United Airlines. The terminal facilitates the affordable carriers like Frontier and Volaris. Terminal 2 caters to the key Mexican destinations like Guadalajara, León, Morelia, and San José del Cabo. United Airlines from ONT Terminal 2 flies to Denver, Chicago, Houston, and San Francisco.
Here is the list of ONT flights that fly from Terminal 2:
| Airline | IATA Code | Phone Number |
|---|---|---|
| Alaska Airlines | AS | (800) 252-7522 |
| Avianca El Salvador | TA | 503 2113 0483 |
| China Airlines | CI | 1-800-227-5118 |
| Delta Air Lines | DL | (800) 221-1212 |
| Frontier Airlines | F9 | (801) 401-9000 |
| JetBlue Airways | B6 | (800) 538-2583 |
| United Airlines | UA | (800) 864-8331 |
| Volaris | Y4 | (855) 865-2747 |
Terminal 4
Terminal 4 of ONT Airport is the primary hub for American Airlines, Hawaiian Airlines, and Southwest Airlines. This terminal offers daily flights to Charlotte, Dallas/Fort Worth, Phoenix, Honolulu, Nashville, Oakland, and San Jose. Southwest Airlines is the dominant carrier at Terminal 4, which caters to 12 destinations within the US.
Here is the list of ONT flights that fly from Terminal 4:
| Airline | IATA Code | Phone Number |
|---|---|---|
| American Airlines | AA | (800) 433-7300 |
| Hawaiian Airlines | HA | (800) 367-5320 |
| Southwest Airlines | WN | (800) 435-9792 |
Ontario International Airport is the hub in Southern California, which is served by 12 carriers. The airport facilities include the services from Southwest, Delta, and American Airlines. Besides, the low-cost carriers like Frontier and JetBlue, and international budget airlines like Volaris also operate from here.
Whether you’re booking Ontario, CA, flights to Phoenix, Las Vegas, Guadalajara, or Taipei, Ontario Airport is a less crowded alternative to LAX Airport.
FAQs
Ontario International Airport (ONT) is served by 13 airlines. It includes Alaska Airlines, American Airlines, Delta Air Lines, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, and United Airlines. The airport is also the hub for international carriers like Avianca, China Airlines, Starlux Airlines, and Volaris.
The international airlines at Ontario, CA Airport include Avianca, China Airlines, Starluc Airlines, and Volaris.
The domestic airlines flying from Ontario CA are Alaska Airlines, American Airlines, Delta Air Lines, and Frontier Airlines. Additional domestic carriers include Hawaiian Airlines, JetBlue Airways, Southwest Airlines, and United Airlines.
Several airlines offer non-stop flights from ONT Airport to cities like Phoenix, Las Vegas, Denver, Atlanta, Seattle, and Honolulu. International carriers like Volaris offer non-stop flights to international destinations Guadalajara, San Salvador, and Taipei. Starlux Airlines offers non-stop flights to Taipei, Taiwan.
The Southwest Airlines terminal at ONT Airport is Terminal 4. It is the dominant carrier at this terminal that caters to major US destinations like Austin, Baltimore, Chicago, and Denver.
Volaris is the only airline offering flights to Mexico from Ontario Airport. The airlines offer non-stop routes to Guadalajara, León, Morelia, and San José del Cabo.