Your Guide to Airlines Flying into Ontario International Airport (ONT)
Planning a trip to Southern California, or perhaps you're a local looking for convenient flight options? Ontario International Airport (ONT) in Ontario, California, serves as a significant gateway for the Inland Empire and beyond. This bustling airport offers a range of domestic and international flights, making it a popular choice for travelers. But exactly what airlines fly into Ontario Airport? Let's break down the carriers that make ONT their home and provide service to this key Californian hub.
Major Carriers at Ontario International Airport
Ontario International Airport is serviced by a robust network of airlines, catering to various travel needs and destinations. Here are the primary airlines you'll find operating out of ONT:
- Southwest Airlines: A dominant force at ONT, Southwest offers a vast network of domestic flights. They are known for their no-frills approach and often competitive pricing. You can catch Southwest flights to numerous cities across the United States from Ontario.
- American Airlines: American Airlines provides a substantial presence at ONT, connecting passengers to many major hubs and a wide array of domestic destinations. Expect a full-service experience with American.
- United Airlines: United Airlines also operates a significant number of flights from Ontario, offering connections to key domestic cities and serving as a gateway to their extensive international network through their hub cities.
- Delta Air Lines: Delta Air Lines offers a variety of domestic routes from Ontario International Airport. They are a major carrier known for their customer service and extensive route network.
- Frontier Airlines: For budget-conscious travelers, Frontier Airlines provides low-cost options to a growing number of destinations from ONT. Be sure to check their baggage policies as they can differ from traditional carriers.
- Spirit Airlines: Similar to Frontier, Spirit Airlines is another ultra-low-cost carrier operating out of Ontario. They offer a bare-bones fare, with additional charges for amenities like carry-on bags and seat selection.
- JetBlue Airways: JetBlue offers a more comfortable and amenity-rich experience for travelers flying to select destinations from ONT. They are known for their in-seat entertainment and complimentary snacks.
Other Airlines and Cargo Operations
While the above are the primary passenger airlines, it's worth noting that other airlines might operate charter flights or seasonal routes. Furthermore, Ontario International Airport is a significant hub for air cargo operations, with carriers like:
- FedEx Express
- UPS Airlines
- Amazon Air
These cargo operations contribute to the airport's overall activity and economic importance, though they do not involve passenger service.
Why Choose Ontario Airport?
Many travelers opt for ONT due to its convenient location for those residing in the Inland Empire, Orange County, and even parts of Los Angeles County. It often offers less congestion compared to Los Angeles International Airport (LAX), potentially leading to a smoother and quicker airport experience. The airport boasts modern facilities, including easy parking options and a manageable layout.
Tips for Flying Out of ONT
When booking your flight, always double-check which terminal your airline operates from. ONT has two main passenger terminals: Terminal 1 and Terminal 2. This information is crucial for navigation upon arrival. Many of the airlines listed above have specific terminal assignments. For instance, Southwest typically operates out of Terminal 1, while American Airlines, United, and Delta are generally found in Terminal 2.
It's always a good practice to visit the official Ontario International Airport website (flyontario.com) or your airline's website directly to confirm flight details, terminal information, and any travel advisories before your departure.
Frequently Asked Questions (FAQ)
How can I find the cheapest flights from Ontario Airport?
To find the cheapest flights, it's recommended to compare prices across different airlines and booking platforms. Consider flying during off-peak times, such as mid-week or during less popular seasons. Signing up for airline newsletters can also alert you to sales and special offers.
Why might I choose Ontario Airport over LAX?
Ontario Airport is often a better choice for those living in or traveling to the Inland Empire region because it offers a more convenient location and can have less traffic and fewer crowds than the much larger and busier LAX. This can lead to a less stressful travel experience.
What are the baggage policies for airlines at Ontario Airport?
Baggage policies vary significantly between airlines. Budget carriers like Frontier and Spirit often charge extra for checked and carry-on bags. Major carriers like American Airlines, Delta, and United usually include one or two checked bags in their economy fares, though this can depend on your ticket class and frequent flyer status. Always check your specific airline's website for their current baggage rules and fees.
Are there direct flights from Ontario Airport to major East Coast cities?
Yes, several airlines offer direct flights from Ontario International Airport to major East Coast cities. For example, you can often find direct flights to destinations like New York (JFK or LGA), Newark (EWR), and other key hubs. It's best to check with individual airlines like American Airlines, United, or Delta for their current direct route offerings.
What amenities are available at Ontario Airport?
Ontario International Airport offers a range of amenities to make your travel experience comfortable. These include various dining and retail options, free Wi-Fi, charging stations, and comfortable seating areas. Both terminals are designed for ease of access and passenger convenience.

