Cheap flights from Charleston to Ontario (CHS - ONT) from $119

Users have found that flying from Charleston to Ontario on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 51 days in advance, which can save you up to 122% on flights from Charleston to Ontario compared to booking the week you need them. Waiting 51 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $245. For sooner than that we have options available in the next 3 days from $378.

September is one of the best times of the year to fly to Ontario from Charleston. Prices for September average $289 per person but you can even find prices for as low as $126. The most expensive prices can be found in the month of December. Opting for a September flight can save you 23% on your journey compared to booking in December

It’s typically best to fly out from Charleston to Ontario in the afternoon. Doing so could potentially save you 17% on the flight price compared to flying in the evening, which is usually more expensive.

Yes, there are multiple flights from Charleston to Ontario for under $300. The cheapest flight booked recently is on Multiple Airlines for just $256, but on average you can expect to pay $450.

Flying on JetBlue is currently your cheapest option to Ontario, with prices starting at $308. Additional round-trip tickets that might be worth considering are offered by Delta and Alaska Airlines, with the lowest prices starting at $361 and $375, respectively. JetBlue is currently priced 37% below the average price you’ll pay for this route.

$119 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $208 and $235, respectively.

The most popular airlines flying from Charleston to Ontario are American Airlines, Delta and Breeze Airways. Something to consider prior to booking your flight.

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Charleston Airport to Ontario Airport flight would often be abbreviated as a CHS to ONT flight.

Cheapflights helps you search for flights from Charleston to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Cheapflights simply makes it quick and affordable to book flights from Charleston to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Need flexible booking options for your flight to Ontario from Charleston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Of course! You can now track prices for flights from Charleston to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.