Best time to travel to Ontario CA – ONT airport

Wondering what is the best time to travel to Ontario CA? This page provides information about the number of passengers arriving monthly at Ontario CA (ONT) airport.

In the following graph, the horizontal axis represents time of year, and the vertical axis the approximate number of passenger arrivals monthly.


This post is about busy times of the year at Ontario CA airport, based on the number of arriving passengers at ONT. It helps answer the question when to go, and might assist in planning a trip to Ontario CA.

Next is a plot showing approximately how full the planes flying to Ontario CA were on average each month.


Flight information on this page may also be of interest for those looking for when is the least crowded time to visit ONT, what is the best month to go to ONT, when to travel to Ontario CA, and avoiding crowds when traveling.