Cheap flights from Charlotte to Los Angeles from $137

In general, October is the cheapest month to fly from Charlotte to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $369. If you aren’t able to travel during the month of October, then book flights to Ontario from Charlotte during September instead. Flights to Ontario in September, while not as cheap as those in October, still average around $369.

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $449. 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 Charlotte to Ontario for around $533.

In the afternoon is the cheapest time of day to fly from Charlotte to Ontario when you can find flight prices for as low as $463. Flying to Ontario in the afternoon 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 evening when prices are $473 on average. Flights to Ontario from Charlotte in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Charlotte Douglas to Ontario for the best Charlotte Douglas - Ontario flight prices

You are more likely to see cheaper flights to Ontario from Charlotte when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $451 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Charlotte for as low as $380 on momondo.

There are 4 cabin classes available to choose from on Charlotte to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 31% on your flight if you consider stops on a Charlotte to Ontario flight.

As of September 2026, prices for Charlotte to Ontario flights are approximately 45% more expensive when compared to flights at the same time last year.

Frontier is the most popular carrier operating from Charlotte Douglas to Ontario

American Airlines, Delta and Frontier are the top three most popular airlines that fly to Ontario from Charlotte according to our data. American Airlines is the first choice among our users, with 71% 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.

Chicago (MDW) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $189.

Flights connecting via Salt Lake City (SLC) have the shortest average one-way travel time: 8h 34m.

Salt Lake City (SLC) has the shortest average layover time for this route: 1h 35m.