Ontario International Airport (ONT) Airport Guide
Ontario, United States · KONT
Ontario International Airport (ONT/KONT) is an airport serving Ontario, United States, in North America.
This page covers the practical essentials for ONT — getting to and from the airport, lounges and WiFi, transit and visa considerations, hotels nearby, and what to do if you have a layover here.
Lounges
Lounge availability at Ontario International Airport varies by terminal. Independent lounges (often accessible via Priority Pass or pay-in) and airline lounges are common at airports of this size — check your terminal on arrival.
WiFi
Free WiFi is offered at most major airports. Look for the official ONT network on arrival; coverage and time limits can vary by terminal.
Airlines
A range of domestic and international carriers serve Ontario International Airport. Check your airline for its terminal and check-in details, as assignments can change.
Getting to & from ONT
Transit & visa requirements
- Whether you need a transit visa for ONT depends on your nationality, your routing, and whether you must clear immigration to change flights.
- Always verify current United States transit and entry requirements with official government sources before you travel.
Hotels near ONT
Need a room near the airport for an early departure or a long layover?
Things to do during a layover
Got time between flights? See our dedicated ONT layover guide. In short:
Stay airside at Ontario International Airport. Clear security to your connection early, then find a lounge or quiet seating area near your departure gate.
Enough time to relax in a lounge, eat a proper meal and explore the terminal’s shops and amenities without rushing your connection.
With a long layover you may have time to leave the airport and see Ontario, provided your nationality and routing allow you to clear immigration. Confirm transit visa rules first, and leave a generous buffer to return.
ONT — Frequently Asked Questions
Ontario International Airport (ONT) serves Ontario, United States.