ONT · large airport
Ontario International Airport
Ontario, United States
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ONTlarge airport
Ontario International Airport
Ontario, United States
Explore Ontario city guide Navigate to this airport24
Routes out
14
Destinations
KONT
ICAO
944 ft
Elevation
TravelerPulse profile
Inland Empire's primary gateway serving greater Los Angeles.
Opened
1923
Location
Ontario, United States
Ontario International Airport (ONT) is a full-service commercial airport located in Ontario, California, approximately 35 miles east of downtown Los Angeles in the heart of the Inland Empire region. It serves as a convenient alternative to Los Angeles International Airport (LAX) for millions of residents in San Bernardino and Riverside counties.
The airport was returned to local control in November 2016, when the Ontario International Airport Authority (OIAA) took over management from Los Angeles World Airports (LAWA). This transition marked a significant turning point, allowing the airport to pursue its own growth strategy independently. Since then, ONT has seen consistent passenger growth and expanded airline service.
Ontario International handles both passenger and cargo operations, with its cargo facilities serving major logistics companies. The airport's strategic location near major freeways and distribution hubs makes it a critical node for air freight in Southern California.
Terminals
The airport features two passenger terminals, Terminal 2 and Terminal 4, connected by a shared ticketing and baggage claim area, accommodating domestic and limited international flights.
Getting to & from
Ground transportation options include rental cars, taxis, rideshare services, and the Ontario Airport Transit Center, which connects passengers to Metrolink commuter rail and local bus services.
Airlines here
Major airlines serving ONT include Southwest Airlines, American Airlines, United Airlines, Delta Air Lines, Alaska Airlines, and Frontier Airlines.
Notable facts
- ›Ontario International Airport returned to local control under the Ontario International Airport Authority (OIAA) in November 2016 after decades under Los Angeles World Airports management.
- ›The airport served over 5 million passengers in 2022, reflecting strong post-pandemic recovery.
- ›ONT is a major cargo hub, with UPS and FedEx operating significant freight facilities on the airport campus.
- ›The airport sits at an elevation of approximately 944 feet above sea level.
- ›Its IATA code ONT distinguishes it from other California airports and reflects its Ontario, CA location.
This profile is provided for general information only. Details may be inaccurate or outdated — always verify with the airport's official website before acting on them.
Route map (14 destinations)












Leaflet © OpenStreetMap © CARTO
Airlines serving this airport
Routes
ONT → DFWAA · M80 M83
ONT → PDXAA · CR7
ONT → PHXAA · 320 319
ONT → SEAAA · 737
ONT → GDLAM · 738
ONT → PDXAS · CR7
ONT → SEAAS · 734 73H
ONT → GDLDL · 738
ONT → SLCDL · 319
ONT → DENFL · 73C
ONT → LASFL · 73H 73W
ONT → DENUA · CRJ
ONT → IAHUA · CR7
ONT → SFOUA · CRJ
ONT → DFWUS · M80 M83
ONT → PHXUS · 320 319
ONT → DENWN · 73C 73W 73H
ONT → LASWN · 73W 73C 73H 738
ONT → MDWWN · 73W
ONT → OAKWN · 73W 73C 73H 733
ONT → PHXWN · 73H 73W 73C
ONT → SJCWN · 73W 733 73C
ONT → SMFWN · 73H 733 73C 73W
ONT → GDLY4 · 319
Hotels near ONT
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City & Place Guide
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Passport, Visa & Immigration
Flying internationally via ONT? Check entry, transit and customs requirements for United States from official government sources.
Latest news
Ontario International Airport· 7/27/2026
Ontario International Airport unveils next-generation passenger screening
Read at Ontario International Airport
PR Newswire· 8/31/2026
Ontario International Airport earns Great Place to Work certification for fourth consecutive year
Read at PR Newswire
electrive.com· 9/3/2026
Ontario International Airport secures largest-ever VALE grant
Read at electrive.com
Fuel Cells Works· 9/4/2026
Ontario Airport Gets $4.15M VALE Grant for Clean Energy
Read at Fuel Cells Works
Daily Bulletin· 9/1/2026
Ontario airport board weighs independent investigation at first meeting since FBI raids
Read at Daily Bulletin
Yahoo Finance· 8/24/2026
Ontario International Airport passenger volumes surpass 4 million year-to-date; air cargo continues growing
Read at Yahoo Finance
