Cheap flights from Tennessee to Los Angeles from $122

In general, November is the cheapest month to fly from Tennessee to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $55. If you aren’t able to travel during the month of November, then book flights to Ontario from Tennessee during April instead. Flights to Ontario in April, while not as cheap as those in November, still average around $94.

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 Tennessee to Ontario for around $634.

In the morning is the cheapest time of day to fly from Tennessee 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 Tennessee 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 Tennessee - Ontario flight prices

You are more likely to see cheaper flights to Ontario from Tennessee 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 Tennessee for as low as $236 on momondo.

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

Frontier, United Airlines, and Southwest are the most popular carriers operating from Tennessee to Ontario

Delta, American Airlines and Southwest are the top three most popular airlines that fly to Ontario from Tennessee according to our data. Delta is the first choice among our users, with 37% 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.

As of June 2026, 1 flights take off from Tennessee and land in Ontario each day. The most common flight departure time for this route is 10:00AM, with 43% of daily flights taking off at noon.

7 flights are operational weekly from Tennessee to Ontario as of June 2026. The most popular departure day for this route is Mon, with 29% of flights per week taking off on this day.