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

Delta, Southwest, and United Airlines are the most popular carriers operating from Ontario to Charleston

Which airport is the most popular layover for flights between Ontario and Charleston?

Atlanta (ATL) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Ontario to Charleston?

Flights via Denver (DEN) offer the lowest average round-trip price of $336.

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 46% of people opting to fly with this airline when traveling to Charleston. Keep in mind that there are 6 different airlines that fly to Charleston on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Ontario to Charleston?

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 6h 34m.

Which layover airport has the shortest connection time from Ontario to Charleston?

Atlanta (ATL) has the shortest average layover time for this route: 1h 09m.

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 2026, 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.

$198 Cheap Flights from Ontario to Charleston in 2026

Q: What is the typical price of a round-trip flight between Ontario and Charleston?

Prices are currently low for flights on this route. Typical prices usually range from $556 to $489. The lowest price recently found on this route was $388.

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Find the cheapest flights from Ontario to Charleston

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:00 pm - 11:59 pm

ONT

CHS

8h 59m

1 stop

5:06 pm - 9:52 pm

CHS

ONT

7h 46m

1 stop

$388Delta

Tue, Aug 18 - Mon, Aug 24

11:48 am - 12:26 am

ONT

CHS

9h 38m

1 stop

5:10 am - 10:42 am

CHS

ONT

8h 32m

1 stop

$395Delta

Tue, Jul 7 - Wed, Aug 12

6:39 pm - 10:07 am

ONT

CHS

12h 28m

2 stops

3:08 pm - 10:51 pm

CHS

ONT

10h 43m

1 stop

$400United Airlines

Wed, Jul 8 - Wed, Jul 15

10:25 am - 11:48 pm

ONT

CHS

10h 23m

2 stops

7:00 am - 11:43 am

CHS

ONT

7h 43m

1 stop

$403American Airlines

Tue, Jul 7 - Wed, Aug 12

8:35 am - 7:45 pm

ONT

CHS

8h 10m

2 stops

6:45 am - 12:40 pm

CHS

ONT

8h 55m

2 stops

$405Southwest

Wed, Aug 5 - Tue, Aug 11

10:00 pm - 10:06 am

ONT

CHS

9h 06m

1 stop

6:40 am - 10:47 am

CHS

ONT

7h 07m

1 stop

$410Delta

Thu, Sep 17 - Wed, Sep 23

10:25 am - 11:48 pm

ONT

CHS

10h 23m

2 stops

6:00 am - 1:31 pm

CHS

ONT

10h 31m

2 stops

$411American Airlines

Tue, Jul 7 - Wed, Aug 12

9:10 pm - 10:15 am

ONT

CHS

10h 05m

1 stop

11:05 am - 8:13 pm

CHS

ONT

12h 08m

1 stop

$414JetBlue

Sun, Sep 13 - Sat, Sep 19

11:55 pm - 11:25 am

ONT

CHS

8h 30m

1 stop

6:45 am - 12:40 pm

CHS

ONT

8h 55m

2 stops

$415Southwest

Thu, Sep 17 - Wed, Sep 23

7:13 pm - 10:41 am

ONT

CHS

12h 28m

2 stops

11:37 am - 8:01 pm

CHS

ONT

11h 24m

2 stops

$420United Airlines

Thu, Sep 17 - Wed, Sep 23

Delta flights from Ontario to Charleston

Our best Delta deals on Ontario to Charleston flight tickets

Delta

Aug 18

ONT12:00 pmOntario

8h 59m

1 stop

CHS11:59 pmCharleston

Aug 24

CHS5:06 pmCharleston

7h 46m

1 stop

ONT9:52 pmOntario

$388

Delta

Jul 7

ONT11:48 amOntario

9h 38m

1 stop

CHS12:26 amCharleston

Aug 12

CHS5:10 amCharleston

8h 32m

1 stop

ONT10:42 amOntario

$395

Delta

Sep 17

ONT10:00 pmOntario

9h 06m

1 stop

CHS10:06 amCharleston

Sep 23

CHS6:40 amCharleston

7h 07m

1 stop

ONT10:47 amOntario

$410

American Airlines flights from Ontario to Charleston

Our best American Airlines deals on Ontario to Charleston flight tickets

American Airlines

Jul 7

ONT10:25 amOntario

10h 23m

2 stops

CHS11:48 pmCharleston

Aug 12

CHS7:00 amCharleston

7h 43m

1 stop

ONT11:43 amOntario

$403

American Airlines

Jul 7

ONT10:25 amOntario

10h 23m

2 stops

CHS11:48 pmCharleston

Aug 12

CHS6:00 amCharleston

10h 31m

2 stops

ONT1:31 pmOntario

$411

American Airlines

Jul 24

ONT12:35 pmOntario

7h 20m

1 stop

CHS10:55 pmCharleston

Jul 28

CHS5:00 amCharleston

11h 22m

2 stops

ONT1:22 pmOntario

$444

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Tue 8/18

12:00 pm-11:59 pm

1 stop8h 59m

Charleston

Mon 8/24

5:06 pm-9:52 pm

1 stop7h 46m

$388

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Tue 7/7

11:48 am-12:26 am

1 stop9h 38m

Charleston

Wed 8/12

5:10 am-10:42 am

1 stop8h 32m

$395

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Wed 7/8

6:39 pm-10:07 am

2 stops12h 28m

Charleston

Wed 7/15

3:08 pm-10:51 pm

1 stop10h 43m

$400

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Tue 7/7

10:25 am-11:48 pm

2 stops10h 23m

Charleston

Wed 8/12

7:00 am-11:43 am

1 stop7h 43m

$403

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Wed 8/5

8:35 am-7:45 pm

2 stops8h 10m

Charleston

Tue 8/11

6:45 am-12:40 pm

2 stops8h 55m

$405

Quickest round-trip

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Thu 9/17

10:00 pm-10:06 am

1 stop9h 06m

Charleston

Wed 9/23

6:40 am-10:47 am

1 stop7h 07m

$410

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Tue 7/7

10:25 am-11:48 pm

2 stops10h 23m

Charleston

Wed 8/12

6:00 am-1:31 pm

2 stops10h 31m

$411

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Sun 9/13

9:10 pm-10:15 am

1 stop10h 05m

Charleston

Sat 9/19

11:05 am-8:13 pm

1 stop12h 08m

$414

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Thu 9/17

11:55 pm-11:25 am

1 stop8h 30m

Charleston

Wed 9/23

6:45 am-12:40 pm

2 stops8h 55m

$415

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Thu 9/17

7:13 pm-10:41 am

2 stops12h 28m

Charleston

Wed 9/23

11:37 am-8:01 pm

2 stops11h 24m

$420

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Layovers

What is the typical price of a round-trip flight between Ontario and Charleston?

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 $386.

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

The cheapest day to depart from Ontario to Charleston is on a Thursday. Travelers who choose to depart for Charleston on a Thursday will often find tickets for as low as $230. The most expensive day to fly to Charleston is Wednesday, with ticket prices averaging around $328.

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 evening when flights can be purchased for as low as $243. In the morning is when there is more demand to fly to Charleston, so prices are often more expensive at around $284 per ticket.

How have Ontario to Charleston flight prices changed over time?

As of June 2026, prices for Ontario to Charleston flights are approximately 10% 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

Fastest flight time	6h 46m
Direct flights	None

The fastest flight from Ontario to Charleston takes 6h 46m

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

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Frequently asked questions about flying 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 46m 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 2026, 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 35% of the total bookings. Other popular airlines include Delta with 30%, Southwest with 20%, and United Airlines with 14%.

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
Delta	PriceFrom $300	Free Cancellation	Rating 7.8 8,395 reviews	Search Delta flights
American Airlines	PriceFrom $324	Free Cancellation	Rating 7.1 11,651 reviews	Search American Airlines flights
United Airlines	PriceFrom $336	Free Cancellation	Rating 7.4 9,777 reviews	Search United Airlines flights
Southwest	PriceFrom $384	Free Cancellation	Rating 8.0 4,258 reviews	Search Southwest flights

Folly Beach

Isle of Palms

North Charleston

Summerville

Kiawah Island

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 $198

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 7/7. 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

American Airlines flights from Ontario to Charleston

Our best American Airlines deals on Ontario to Charleston flight tickets

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How to get the cheapest flight ticket from Ontario to Charleston

What is the typical price of a round-trip flight between Ontario and Charleston?

What is the cheapest month to fly to Charleston?

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

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

How have Ontario to Charleston flight prices changed over time?

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

What airlines fly to Charleston?

Which airport is the most popular layover for flights between Ontario and Charleston?

Which layover airport offers the lowest fares from Ontario to Charleston?

Which layover airport has the shortest travel time from Ontario to Charleston?

Which layover airport has the shortest connection time from Ontario 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

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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

Fly your favorite airline to Charleston

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Charleston

List of cabin classes available on flights landing in Charleston. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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