Find a great deal and save up to 20% by booking at least 17 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Palm Springs to Ontario within the next two weeks, with the cheapest ticket starting at $75.
April can be a great time to fly to Ontario from Palm Springs with a flight ticket averaging about $86. Cheapflights users have found deals in the month of April for as cheap as $43. The most expensive prices can be found in the month of December.