Ontario International Airport (ONT) serves the Inland Empire east of Los Angeles and handles a mix of domestic and some international flights with passenger numbers in the mid-single-digit millions in recent pre-pandemic years. It is a convenient alternative to the Los Angeles basin airports for many travelers.
The terminal complex is arranged around passenger check-in and security with gate areas for departures; the airport footprint is medium-sized compared with major coastal hubs.
Terminal Guide for Ontario International Airport #
ONT’s passenger facilities are arranged in a primary terminal complex with gate areas and airline counters. Check-in and baggage claim are centralized in the landside terminal; gates and the secure departures area extend from this core. Airlines operate from assigned gates within the terminal - consult airport displays or your airline for current gate information.
Getting To and From Ontario International Airport #
The airport is approximately 35-45 minutes by car from downtown Los Angeles depending on traffic; travel times to Ontario/Fontana/Riverside are shorter.
- Taxi / rideshare: Taxis and rideshare services (Uber/Lyft) operate at ONT; fares vary widely with destination and traffic.
- Shuttle / buses: Local and regional shuttle services connect the airport to surrounding cities; schedules vary by operator.
- Driving / parking: On-site short-term and long-term parking is available, plus car rental facilities at the airport. Road access is via the 10, 60 and 15 freeways.
Facilities, Shopping, and Dining at Ontario International Airport #
ONT offers the typical mid-size airport amenities for domestic and international travelers.
- Lounges: There may be airline-operated lounges and pay-per-use options; confirm access with your carrier.
- Food & drink: A mix of cafés and restaurants is available airside and landside, including grab-and-go options.
- Wi‑Fi & charging: Free Wi‑Fi is generally available; power outlets and charging stations are present in gate areas.
- Luggage & services: Rental car companies have counters at the terminal; baggage services and basic passenger assistance are available.
- Accessibility: The terminal provides accessible facilities and assistance on request.
Tips for Ontario International Airport #
- Ontario is a convenient alternative to LAX for inland Southern California - account for traffic on the 10/60/15 corridors if driving to L.A. or Riverside.
- Check whether your international flight departs from the terminal you expect; the airport is medium-sized but allow time for security.
- If you’re meeting someone, the airport has short-term parking and cell-phone-waiting areas-use those rather than waiting in the curb lane.
- Consider using off-site long-term parking lots for cheaper daily rates and shuttle service.
Weather & Climate near Ontario International Airport #
Ontario International Airport's climate is classified as Hot-Summer Mediterranean - Hot-Summer Mediterranean climate with hot summers (peaking in August) and cool winters (coldest in December). Temperatures range from 5°C to 34°C. Semi-arid with limited rainfall with a pronounced dry season.
January
January is cool with highs of 19°C and lows of 6°C. Moderate rainfall (79 mm).
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February
February is cool with highs of 20°C and lows of 6°C. The wettest month with 81 mm of rain and mostly sunny skies.
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March
March is cool with highs of 21°C and lows of 8°C. Moderate rainfall (67 mm) and mostly sunny skies.
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April
April is cool with highs of 24°C and lows of 9°C. Light rainfall and mostly sunny skies.
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May
May is mild with highs of 26°C and lows of 12°C. Almost no rain and clear sunny skies.
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June
June is mild with highs of 30°C and lows of 14°C. The driest month with just 1 mm and clear sunny skies.
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July
July is warm with highs of 33°C and lows of 16°C. The driest month with just 1 mm and clear sunny skies.
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August
August is the warmest month with highs of 34°C and lows of 17°C. Almost no rain and clear sunny skies.
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September
September is mild with highs of 32°C and lows of 15°C. Almost no rain and clear sunny skies.
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October
October is mild with highs of 28°C and lows of 12°C. Light rainfall and clear sunny skies.
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November
November is cool with highs of 23°C and lows of 8°C. Moderate rainfall (41 mm) and mostly sunny skies.
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December
December is the coolest month with highs of 20°C and lows of 5°C. Moderate rainfall (52 mm).
