I've flown out of ONT but not in. Pre-pandemic, 2019. We took Lyft, and it was around $55 about 7:30 am and may be 35-40 minutes. It's actually my 2nd favorite airport after LGB now as Southwest usually has cheaper flights in/out, and it's easy to navigate. For what it's worth, traffic flows Ontario towards Anaheim for the morning commute, and Anaheim to Ontario for the afternoon commute, which may affect ride share (Lyft) prices.