Cheap flights from Nashville to Los Angeles from $110

In general, August is the cheapest month to fly from Nashville to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $265. If you aren’t able to travel during the month of August, then book flights to Ontario from Nashville during February instead. Flights to Ontario in February, while not as cheap as those in August, still average around $306.

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $481. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Nashville to Ontario for around $634.

In the morning is the cheapest time of day to fly from Nashville to Ontario when you can find flight prices for as low as $474. Flying to Ontario in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $552 on average. Flights to Ontario from Nashville in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Nashville Intl to Ontario for the best Nashville Intl - Ontario flight prices

You are more likely to see cheaper flights to Ontario from Nashville when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $392 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Nashville for as low as $236 on momondo.

There is only 1 cabin class available to choose from on Nashville to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, United Airlines, and Delta are the most popular carriers operating from Nashville Intl to Ontario

Delta, Southwest and American Airlines are the top three most popular airlines that fly to Ontario from Nashville according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

Dallas (DFW) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via Dallas (DFW) offer the lowest average round-trip price of $299.

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 6h 13m.

Dallas (DFW) has the shortest average layover time for this route: 1h 05m.

1 flights are operational daily from Nashville to Ontario as of June 2026. The most popular departure time for this route is 10:00AM, with 43% of flights per day taking off at noon.

As of June 2026, there are 8 flights per week flying from Nashville to Ontario. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.