Originfacts

Airport guide

Ontario International AirportIATA code ONT

Ontario International Airport (ONT/KONT) is the primary air passenger gateway serving Ontario, United States in North America. The airfield connects travelers with essential regional transit routes and operating carrier options.

lawa.org/welcomeONT.aspx(official website, opens in a new tab)View map(Google Maps, opens in a new tab)
Serves
Ontario, United States
Codes
ONT · KONT
IATA · ICAO
Time zone
America/Los_Angeles
Region
North America
Airport record, updated 10 Jul 2026OurAirports, 5 Oct 2026Wikidata, 5 Oct 2026Terminals and transport not yet verifiedWhere this comes from

Ontario International Airport (ONT/KONT) is the primary air passenger gateway serving Ontario, United States in North America. Operating on America/Los_Angeles local time at coordinates 34.060°, -117.600°, the airfield functions as an active commercial transit hub for scheduled regional and international flights. Travelers navigating Ontario International Airport (ONT) are encouraged to confirm terminal layouts, ground transport connections into Ontario, and flight schedules with their operating carrier prior to travel.

Ontario International Airport details

Airport record · 10 Jul 2026
IATA code
ONT
ICAO code
KONT
City
Ontario
Country
United States
Region
North America
Time zone
America/Los_Angeles
Coordinates
34.056°, -117.601°
From OurAirports
Official website
lawa.org/welcomeONT.aspx (opens in a new tab)
From Wikidata

Codes, region and time zone come from the Originfacts airport record (last updated 10 Jul 2026). Fields marked otherwise come from the dataset named on them. None are verified by hand against Ontario International Airport’s own pages.

ONT airport facts

OurAirports · Wikidata
Size class
Large airport
From OurAirports (5 Oct 2026); OurAirports’ own classification
Elevation
288 m (944 ft)
From OurAirports (5 Oct 2026)
Opened
1949
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026) — date of official opening
Operator
Ontario International Airport Authority
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026)
Owner
Ontario International Airport Authority
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026)
Passengers, 2023
6.43 million
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026) — no reference given there
Named after
Ontario
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026)
Nearest airport with scheduled flights
San Bernardino International Airport SBD · 34 km
OurAirports scheduled-service flag; straight-line distance calculated

Runways at ONT

OurAirports · 5 Oct 2026

Source: OurAirports (opens in a new tab) runways data (public domain), retrieved 5 Oct 2026. Not an aeronautical source — not for navigation.

2 open runways, all lit. Longest 08L/26R: 3,718 m, concrete.

Runways at ONT: length, width, surface and lighting
RunwayLengthWidthSurface
08L/26R3,718 m12,197 ft46 mconcrete
08R/26L3,109 m10,200 ft46 mconcrete

Routes from ONT

No route records yet

Originfacts does not track any routes from ONT yet, so no route records are listed here. Check current schedules with the airlines or the airport’s own site.

Where ONT is

Calculated

2.5 km east

Ontario International Airport lies 2.5 km east of Ontario city centre in a straight line. Road distance is longer; transport options are not yet verified (see terminals and transport below).

Calculated from the airport coordinates (OurAirports) and the Wikidata (opens in a new tab) city-centre point.

Terminals, transport and parking at ONT

Not yet verified

Terminal assignments, ground transport into Ontario, parking, lounges and accessibility services have not been verified against Ontario International Airport’s own pages yet, so none are listed here.

Check directly:lawa.org/welcomeONT.aspx (opens in a new tab)Map of the airport location (opens in a new tab)

Before you travel

  • Confirm your terminal with the operating airline.
  • Check the check-in and bag-drop cut-off times on your booking.
  • Allow extra time if you need to change terminals or check bags in again.
  • Check your flight status before you leave for the airport.

Airports near Ontario

Calculated

Straight-line distances calculated from each airport’s coordinates in the Originfacts airport records. Road distances are longer.

Ontario International Airport: common questions

Where is Ontario International Airport?

Ontario International Airport serves Ontario, United States. Its coordinates in OurAirports are 34.056°, -117.601°.

What are the airport codes for Ontario International Airport?

The IATA code is ONT and the ICAO code is KONT.

What time zone is ONT in?

Ontario International Airport is in the America/Los_Angeles time zone.

What is the official website of Ontario International Airport?

The airport’s official website is lawa.org/welcomeONT.aspx. For questions about a booking, contact the operating airline.

How many runways does Ontario International Airport have?

OurAirports lists 2 open runways at ONT: 08L/26R (3,718 m (12,197 ft), concrete); 08R/26L (3,109 m (10,200 ft), concrete).

When did Ontario International Airport open?

Wikidata gives 1949 as its official opening date.

How many passengers use Ontario International Airport?

Wikidata records 6.43 million passengers for 2023, the latest year it holds.

Who operates Ontario International Airport?

Per Wikidata, ONT is operated by Ontario International Airport Authority, which also owns it.

How far is ONT from Ontario city centre?

Ontario International Airport is about 2.5 km east of Ontario city centre in a straight line, calculated from coordinates. The distance by road is longer.

What is the elevation of Ontario International Airport?

OurAirports gives ONT’s elevation as 288 m (944 ft) above sea level.

Sources

Nothing on this page is verified by hand yet. Each section comes from the dataset below, with its date where the dataset has one. Terminal, transport and parking details are left out until they can be read from Ontario International Airport’s own pages.

Background reading:Wikipedia (opens in a new tab)Wikidata (opens in a new tab)