Ontario International Airport (ONT)

Ontario, US · ICAO KONT · major international airport · official website

Plan the Ontario part of the trip

Things to do, airport transfers and a data plan for Ontario — booked with the provider you choose. We may earn a commission; it never changes your price.

Things to do in OntarioAirport transferseSIM data plan

Nonstop destinations from ONT

11 destinations are recorded with nonstop service from ONT.

Route and airline facts are compiled from the OpenFlights route database (ODbL 1.0), a scheduled-service snapshot. Schedules change: the live search always shows current availability.

Airlines with hub operations at ONT

No airline bases its hub here, but dozens of carriers operate scheduled services — the search above shows the live market.

Nearby airports

Frequently asked questions

Ontario International Airport — which city and country?

Ontario International Airport (ONT) serves Ontario, US, ICAO code KONT.

Which airlines use ONT?

6 scheduled carriers are recorded serving ONT, including American Airlines, AeroMéxico, Alaska Airlines, Delta Air Lines, Southwest Airlines. Schedules change — the search above always reflects current availability.

Is there another airport near Ontario?

Yes — San Bernardino International Airport (SBD), about 34 km away; John Wayne Airport-Orange County Airport (SNA), about 49 km away; Long Beach /Daugherty Field/ Airport (LGB), about 57 km away.

How do I find cheap flights from ONT?

Compare dates and nearby airports in the search above — current fares come from our booking partners, and midweek dates are often cheaper.