$251 Find Cheap Flights from Ontario to San Luis Obispo - Compare and Save

Flights from Ontario to San Luis Obispo usually depart from Ontario (ONT) and arrive at San Luis Obispo County (SBP).

Only Economy Class is available on flights from Ontario to San Luis Obispo.

Most connecting flights from Ontario to San Luis Obispo pass through San Francisco (SFO), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

On the Ontario to San Luis Obispo route, being flexible with your departure day can save you up to 25%. Saturday is the cheapest day at $346 round-trip on average, while Tuesday is the most expensive at $456: a $110 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $289 to $1,266. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Ontario to San Luis Obispo are currently lower than usual. Average one-way flight prices are about $268, which is 40% below the typical average for this route.

Round-trip flights from Ontario to San Luis Obispo range from $331 to $456, with an average of $379 over the past 12 months. Anything below $331 counts as a good deal.