Cheap flights from Ontario to Charleston from $149
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Charleston departing on 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Ontario to Charleston
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Charleston?
The cheapest month to fly to Charleston from Ontario is in January. Flight prices, which tend to average around $328, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Charleston, with average flight prices from Ontario averaging around $342.
What is the cheapest day to depart on your flight to Charleston?
The cheapest day to depart from Ontario to Charleston is on a Wednesday. Travelers who choose to depart for Charleston on a Wednesday will often find tickets for as low as $237. The most expensive day to fly to Charleston is Tuesday, with ticket prices averaging around $309.
What is the cheapest time of day to depart on your flight to Charleston?
The cheapest time of day to fly to Charleston is in the afternoon when flights can be purchased for as low as $220. At noon is when there is more demand to fly to Charleston, so prices are often more expensive at around $402 per ticket.
How far in advance should I book a flight to Charleston?
You are more likely to see cheaper flights to Charleston from Ontario when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Charleston for around $438 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Charleston from Ontario for as low as $324 on momondo.
What is the cheapest airline that flies from Ontario to Charleston?
Delta, JetBlue, and United Airlines are the most popular carriers operating from Ontario to Charleston
What airlines fly to Charleston?
American Airlines, Delta and Southwest are the top three most popular airlines that fly to Charleston from Ontario according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Charleston. Keep in mind that there are 7 different airlines that fly to Charleston on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Charleston
Cheap Ontario to Charleston (ONT to CHS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Charleston
How far is Ontario to Charleston by plane?
Charleston is 2163.2 mi away from Ontario. Typically, this will take 6h 05m by plane in normal conditions.
When did momondo last update prices for flights from Ontario Airport to Charleston Airport?
Prices for flights from Ontario Airport to Charleston Airport were last updated today.
How many operators does momondo search for flights from Ontario Airport to Charleston Airport?
As of June 2025, there are 4 operators available to choose from for flights from Ontario Airport to Charleston Airport.
How old do you have to be to fly from Ontario Airport to Charleston Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Charleston Airport.
What documentation or ID do you need to fly to Charleston Airport?
The travel and health documents required for your trip to Charleston Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Charleston Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ontario to Charleston?
Based on momondo bookings for flights between Ontario and Charleston, the leading airline is American Airlines, making up 49% of the total bookings. Other popular airlines include Delta with 22%, Southwest with 19%, and United Airlines with 10%.
Best airlines flying from Ontario to Charleston
Compare and see reviews for airlines that fly from Ontario to Charleston with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $256 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $270 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $341 | Free Cancellation | Rating 8.0 4,287 reviews |
Traveling to a place near Charleston?
Book flights to Charleston if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to Charleston?
Finding the right flight to Charleston from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Charleston quick and easy, saving you time and money.
Can I find flights from Ontario to Charleston with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Ontario to Charleston flights to just show those with flexible booking policies.
How can momondo help me find flights from Ontario to Charleston?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Charleston.
I’m not ready to book a flight from Ontario to Charleston right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ontario to Charleston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Charleston and let you know when they change.