Cheap flights from Ontario to Nevada from $33

In general, February is the cheapest month to fly from Ontario to Nevada. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $108. If you aren’t able to travel to Nevada during the month of February, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $110.

Our data shows that Sunday is the least expensive day to fly to Nevada. Tickets to fly out on this day can be as low as $141. On the other hand, Thursday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $201.

Our data shows that the cheapest Ontario to Nevada flights are usually those with departure times at noon. Our users have found flights to Nevada at noon for as low as $148. In the afternoon is when there is more demand to fly to Nevada, so prices are often more expensive at around $185 per ticket.

Fly from Ontario to Las Vegas Harry Reid Intl for the best Ontario - Nevada flight prices

You are more likely to see cheaper flights to Nevada from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Nevada for around $130 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Nevada from Ontario for as low as $101 on momondo.

There are 2 cabin classes available to choose from on Ontario to Nevada flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Frontier, American Airlines, and Delta are the most popular carriers operating from Ontario to Nevada

Spirit Airlines, Frontier and Southwest are the top three most popular airlines that fly to Nevada from Ontario according to our data. Spirit Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Nevada. Keep in mind that there are 11 different airlines that fly to Nevada on a routine basis, so you have a few additional options to choose from.

The number of flights available between Ontario and Nevada is 6 per day as of March 2026. The most frequent departure time is 5:00AM, with 34% of daily flights leaving in the afternoon.

44 flights are operational weekly from Ontario to Nevada as of March 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.