Ontario International Airport Terminal Map (2025-2024)

Use this Ontario International Airport Terminal Map to spot gates, security, and ground transport connections before you fly.

A short pedestrian walkway connects Terminals 2 and 4 at Ontario. It’s fully covered and well-signed, so most travelers can move between them in under 10 minutes. You’ll stay landside, which means no re-screening if you’re collecting luggage or switching airlines.

Most major carriers use one primary home: American Airlines and Delta operate from Terminal 2, while Southwest and United use Terminal 4. International arrivals also route through Terminal 2. Always confirm your gate in your booking or the airport’s live displays before heading out.

Parking structures 2 and 4 sit directly across from their respective terminals for the quickest access. Economy and daily lots line Airport Drive, linked by frequent shuttles. Pickups and drop-offs are on the Departures Level; expect active loading only at the curb.

Plan about five minutes to walk between Terminals 2 and 4 via the connecting walkway. Inside, most gates are within three to seven minutes of security. Allow some margin if your connection involves baggage re-check or terminal changes.

Food and drink options cluster just beyond security in each terminal, including fast-casual spots and grab-and-go cafés. Lounges such as Escape Lounge (Terminal 4) offer premium seating and refreshments. Landside restaurants also serve travelers waiting for arrivals.

Ground transport at Ontario includes taxis, rideshares, and shuttles directly outside each terminal. Metrolink’s Rancho Cucamonga Station connects via the ONT Connect shuttle along Haven Avenue. Choose trains for budget trips into Los Angeles or taxis for the fastest downtown Ontario ride.

Ontario International Airport (ONT) operates two passenger terminals—Terminal 2 and Terminal 4—which are connected by a covered walkway and shared ground transport zone. That’s why moving between flights here is quick and intuitive.

The map outlines concourse layouts, parking access, and lounge areas. Follow “Baggage Claim” and “Departures” signs at curbside—Arrivals sit on the lower level, Departures on the upper—to keep your route simple.

Ontario International Airport Terminal Map 2025-2024

An aerial view of Ontario International Airport reveals two main passenger terminals, Terminal 2 and Terminal 4, along with surrounding runways and facilities.

The airport’s layout is designed for optimal traffic flow and passenger convenience. Its strategic location serves the Greater Los Angeles area.

Ontario International Airport Terminal Aerial Map 2025-2024

Ontario International Airport Terminal 2 and 4 Gates Map 2025-2024

Ontario International Airport’s Terminal 2 has 12 gates, and Terminal 4 has 14 gates. These gates serve various airlines and destinations.

Both terminals are equipped with modern amenities to enhance the passenger experience.

Ontario Airport Terminal 2 and 4 Gates Map 2024

Printable Ontario International Airport Terminal Map PDF 2025-2024

FAQ

What airline flies out of Ontario, CA?

Ontario International Airport (ONT) in California serves multiple airlines including Alaska, American, Delta, Southwest, and United, offering flights to various domestic and international destinations.

Is Ontario, California airport the same as Lax?

Ontario, California airport (ONT) is separate from Los Angeles International Airport (LAX). Located 35 miles east of downtown Los Angeles, ONT serves as an alternative for travelers in the eastern Los Angeles area and Inland Empire.

What airport do you fly into for Ontario, California?

Ontario International Airport (ONT) is the primary airport for Ontario, California and the Inland Empire region. Travelers flying to Ontario, California typically use ONT as their arrival and departure point.

Does Ontario have an international airport?

Ontario has an international airport. Ontario International Airport (ONT) offers flights to destinations in the United States, Mexico, and Asia, serving as a gateway for domestic and international travel in Southern California.

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