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 47% 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.

What is the cheapest airline that flies from Ontario to Charleston?

Frontier, Alaska Airlines, and Delta are the most popular carriers operating from Ontario to Charleston

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 November 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.

$79 Cheap Flights from Ontario to Charleston in 2025/26

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Find the cheapest flights from Ontario to Charleston

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Cheap round-trip flights

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11:25 pm - 2:40 pmONT-CHS

12h 15m1 stop

3:30 pm - 10:09 pmCHS-ONT

9h 39m1 stop

$305JetBlue

Find Deal

Fri, May 15 - Thu, May 21

10:25 pm - 9:27 amONT-CHS

8h 02m1 stop

6:00 am - 10:00 amCHS-ONT

7h 00m1 stop

$317Delta

Find Deal

Wed, Dec 17 - Thu, Jan 1

6:10 am - 4:07 pmONT-CHS

6h 57m1 stop

4:01 pm - 8:58 pmCHS-ONT

7h 57m1 stop

$327United Airlines

Find Deal

Tue, Jan 6 - Sat, Jan 17

6:30 am - 5:45 pmONT-CHS

8h 15m1 stop

4:10 pm - 10:20 pmCHS-ONT

9h 10m1 stop

$329Southwest

Find Deal

Tue, Feb 17 - Mon, Mar 2

6:10 am - 4:07 pmONT-CHS

6h 57m1 stop

10:30 am - 9:58 pmCHS-ONT

14h 28m2 stops

$332United Airlines

Find Deal

Tue, Jan 6 - Sat, Jan 17

12:12 pm - 11:50 pmONT-CHS

8h 38m1 stop

6:00 am - 10:00 amCHS-ONT

7h 00m1 stop

$334Delta

Find Deal

Thu, Dec 18 - Thu, Jan 1

11:59 pm - 10:35 amONT-CHS

7h 36m1 stop

4:55 pm - 9:58 pmCHS-ONT

8h 03m1 stop

$337United Airlines

Find Deal

Tue, Dec 30 - Tue, Jan 13

11:59 pm - 10:35 amONT-CHS

7h 36m1 stop

1:13 pm - 10:53 pmCHS-ONT

12h 40m2 stops

$342United Airlines

Find Deal

Tue, Dec 30 - Tue, Jan 13

4:02 pm - 5:32 pmONT-CHS

22h 30m1 stop

6:32 pm - 10:44 pmCHS-ONT

31h 12m1 stop

$343Alaska Airlines

Find Deal

Fri, Feb 27 - Tue, Mar 3

11:59 pm - 11:39 amONT-CHS

8h 40m2 stops

12:29 pm - 6:20 pmCHS-ONT

8h 51m2 stops

$349American Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

Delta flights from Ontario to Charleston

Our best Delta deals on Ontario to Charleston flight tickets

Delta

Dec 17

ONT10:25 pmOntario

8h 02m

1 stop

CHS9:27 amCharleston

Jan 1

CHS6:00 amCharleston

7h 00m

1 stop

ONT10:00 amOntario

$317

Find similar

Delta

Dec 18

ONT12:12 pmOntario

8h 38m

1 stop

CHS11:50 pmCharleston

Jan 1

CHS6:00 amCharleston

7h 00m

1 stop

ONT10:00 amOntario

$334

Find similar

Delta

Dec 17

ONT10:25 pmOntario

8h 02m

1 stop

CHS9:27 amCharleston

Dec 31

CHS6:00 amCharleston

7h 00m

1 stop

ONT10:00 amOntario

$378

Find similar

United Airlines flights from Ontario to Charleston

Our best United Airlines deals on Ontario to Charleston flight tickets

United Airlines

Dec 30

ONT11:59 pmOntario

7h 36m

1 stop

CHS10:35 amCharleston

Jan 13

CHS4:55 pmCharleston

8h 03m

1 stop

ONT9:58 pmOntario

$337

Find similar

United Airlines

Dec 30

ONT11:59 pmOntario

7h 36m

1 stop

CHS10:35 amCharleston

Jan 13

CHS1:13 pmCharleston

12h 40m

2 stops

ONT10:53 pmOntario

$342

Find similar

United Airlines

Jan 4

ONT6:39 pmOntario

12h 45m

2 stops

CHS10:24 amCharleston

Jan 8

CHS11:00 amCharleston

14h 53m

2 stops

ONT10:53 pmOntario

$450

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Fri 5/15

11:25 pm-2:40 pm

1 stop12h 15m

Charleston

Thu 5/21

3:30 pm-10:09 pm

1 stop9h 39m

$305

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Wed 12/17

10:25 pm-9:27 am

1 stop8h 02m

Charleston

Thu 1/1

6:00 am-10:00 am

1 stop7h 00m

$317

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Tue 1/6

6:10 am-4:07 pm

1 stop6h 57m

Charleston

Sat 1/17

4:01 pm-8:58 pm

1 stop7h 57m

$327

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Tue 2/17

6:30 am-5:45 pm

1 stop8h 15m

Charleston

Mon 3/2

4:10 pm-10:20 pm

1 stop9h 10m

$329

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Tue 1/6

6:10 am-4:07 pm

1 stop6h 57m

Charleston

Sat 1/17

10:30 am-9:58 pm

2 stops14h 28m

$332

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Thu 12/18

12:12 pm-11:50 pm

1 stop8h 38m

Charleston

Thu 1/1

6:00 am-10:00 am

1 stop7h 00m

$334

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Tue 12/30

11:59 pm-10:35 am

1 stop7h 36m

Charleston

Tue 1/13

4:55 pm-9:58 pm

1 stop8h 03m

$337

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Tue 12/30

11:59 pm-10:35 am

1 stop7h 36m

Charleston

Tue 1/13

1:13 pm-10:53 pm

2 stops12h 40m

$342

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Fri 2/27

4:02 pm-5:32 pm

1 stop22h 30m

Charleston

Tue 3/3

6:32 pm-10:44 pm

1 stop31h 12m

$343

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Thu 1/15

11:59 pm-11:39 am

2 stops8h 40m

Charleston

Mon 1/19

12:29 pm-6:20 pm

2 stops8h 51m

$349

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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

Prices

Airlines

What is the cheapest month to fly to Charleston?

The cheapest month to fly to Charleston from Ontario is in August. Flight prices, which tend to average around $324, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Charleston, with average flight prices from Ontario averaging around $339.

What is the cheapest day to depart on your flight to Charleston?

The cheapest day to depart from Ontario to Charleston is on a Saturday. Travelers who choose to depart for Charleston on a Saturday will often find tickets for as low as $218. The most expensive day to fly to Charleston is Thursday, with ticket prices averaging around $291.

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 weeks ahead of your departure date. In general, you can expect to find flights to Charleston for around $447 when searching 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.

How have Ontario to Charleston flight prices changed over time?

As of November 2025, prices for Ontario to Charleston flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Ontario to Charleston

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Charleston according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Direct flights	None

There are no direct flights from Ontario to Charleston. There are no popular flight routes from Ontario to Charleston.

Search flight deals

How far is Ontario to Charleston by plane?
Charleston is 2163.2 mi away from Ontario. Typically, this will take 6h 24m 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 November 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 44% of the total bookings. Other popular airlines include Delta with 26%, Southwest with 21%, and United Airlines with 8%.

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
United Airlines	PriceFrom $256	Free Cancellation	Rating 7.4 9,028 reviews	Search United Airlines flights
American Airlines	PriceFrom $270	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
Delta	PriceFrom $296	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
Southwest	PriceFrom $359	Free Cancellation	Rating 8.0 4,251 reviews	Search Southwest flights

Folly Beach

Isle of Palms

North Charleston

Kiawah Island

Summerville

Mount Pleasant

Edisto Island

Santee

Walterboro

Goose Creek

Edisto Beach

Seabrook Island

Why 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.

An easier way to manage your Charleston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Ontario to Charleston from $79

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 12/21. 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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Delta flights from Ontario to Charleston

Our best Delta deals on Ontario to Charleston flight tickets

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Our best United Airlines deals on Ontario to Charleston flight tickets

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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?

What is the cheapest day to depart on your flight to Charleston?

The cheapest day to depart from Ontario to Charleston is on a Saturday. Travelers who choose to depart for Charleston on a Saturday will often find tickets for as low as $218. The most expensive day to fly to Charleston is Thursday, with ticket prices averaging around $291.

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?

How have Ontario to Charleston flight prices changed over time?

As of November 2025, prices for Ontario to Charleston flights are approximately 31% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Ontario to Charleston?

Frontier, Alaska Airlines, and Delta are the most popular carriers operating from Ontario to Charleston

What airlines fly to Charleston?

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

Direct flights

How far is Ontario to Charleston by plane?

When did momondo last update prices for flights from Ontario Airport to Charleston Airport?

How many operators does momondo search for flights from Ontario Airport to Charleston Airport?

How old do you have to be to fly from Ontario Airport to Charleston Airport?

What documentation or ID do you need to fly to Charleston Airport?

What is the most popular airline from Ontario to Charleston?

Best airlines flying from Ontario to Charleston

Compare and see reviews for airlines that fly from Ontario to Charleston with momondo

Traveling to a place near Charleston?

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Charleston?

Can I find flights from Ontario to Charleston with flexible booking policies on momondo?

How can momondo help me find flights 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?

An easier way to manage your Charleston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing South Carolina