South Carolina

$80+ Cheap flights from Ontario (ONT) to South Carolina

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CHS
May 22 — May 291
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to South Carolina with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to South Carolina

Cheapest flights from Ontario to South Carolina
Explore the most affordable flight options available from Ontario to South Carolina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2026.

This Expedia deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:30 pm
ONT
-
CLT
1 stop12h 29m
Frontier
Tue 5/268:55 am
CLT
-
ONT
1 stop9h 49m
Frontier
Deal found 4/20$160
This Mytrip deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:59 pm
ONT
-
CLT
1 stop15h 42m
Frontier
Sat 5/235:58 pm
CLT
-
ONT
1 stop16h 10m
Frontier
Deal found 4/19$172
This Frontier deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:30 pm
ONT
-
CLT
1 stop12h 29m
Frontier
Wed 5/278:55 am
CLT
-
ONT
1 stop9h 49m
Frontier
Deal found 4/22$185
This Booking.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:06 pm
ONT
-
CLT
1 stop13h 35m
Frontier
Mon 5/185:58 pm
CLT
-
ONT
1 stop16h 37m
Frontier
Deal found 4/18$187
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:30 pm
ONT
-
CLT
1 stop12h 29m
Frontier
Sat 5/308:55 am
CLT
-
ONT
1 stop9h 14m
Frontier
Deal found 4/20$190
This Booking.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:06 pm
ONT
-
CLT
1 stop13h 35m
Frontier
Fri 5/155:58 pm
CLT
-
ONT
1 stop17h 22m
Frontier
Deal found 4/20$198
This Frontier deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:59 am
ONT
-
CLT
1 stop13h 24m
Frontier
Tue 5/55:20 pm
CLT
-
ONT
1 stop9h 29m
Frontier
Deal found 4/18$200
This Mytrip deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
ONT
-
CLT
1 stop7h 25m
Frontier
Fri 5/155:58 pm
CLT
-
ONT
1 stop17h 22m
Frontier
Deal found 4/18$205
This Booking.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:06 pm
ONT
-
CLT
1 stop13h 35m
Frontier
Sun 5/175:58 pm
CLT
-
ONT
1 stop16h 37m
Frontier
Deal found 4/18$207
This Frontier deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:39 pm
ONT
-
CLT
1 stop11h 20m
Frontier
Wed 6/38:55 am
CLT
-
ONT
1 stop9h 49m
Frontier
Deal found 4/21$210
This Frontier deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:39 pm
ONT
-
CLT
1 stop11h 20m
Frontier
Sat 5/308:55 am
CLT
-
ONT
1 stop9h 14m
Frontier
Deal found 4/21$215
This Booking.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:30 am
ONT
-
CLT
1 stop6h 56m
Frontier
Mon 5/115:58 pm
CLT
-
ONT
1 stop16h 37m
Frontier
Deal found 4/22$217

Find flight deals from Ontario to South Carolina

Keep the following information in mind while searching for Ontario to South Carolina flight deals. Data was last updated April 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(Expedia)

One-way from

$80
(Frontier)

Popular in

December

Cheapest in

May

Average price

$616
Provider with most accurate pricing for Los Angeles-Myrtle Beach Intl flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Myrtle Beach Intl flights.
From Ontario to South Carolina
One-way flight from Ontario to South Carolina
Highest demand for flights based on searches. 16% potential increase in price ($101 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to South Carolina that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 22, 2026.
Use the filters below to find and compare flights from Ontario to South Carolina that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Tue 5/5

6:00 am-4:25 pm

1 stop7h 25m

Charlotte Douglas

Tue 5/12

5:20 pm-11:49 pm

1 stop9h 29m

$225

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Sun 4/26

8:21 am-7:21 pm

1 stop8h 00m

Charlotte Douglas

Wed 4/29

7:49 pm-11:55 pm

1 stop7h 06m

$262

OntarioColumbia

ONT - CAE

ONTCAE

Ontario

Sat 5/23

10:00 pm-9:15 am

1 stop8h 15m

Columbia Metropolitan

Sat 5/30

5:40 am-10:57 am

1 stop8h 17m

$351

OntarioAugusta

ONT - AGS

ONTAGS

Ontario

Sat 8/29

12:00 pm-9:41 pm

1 stop6h 41m

Augusta Bush Field

Wed 9/2

11:35 am-6:01 pm

1 stop9h 26m

$385

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Mon 6/8

10:00 pm-10:18 am

1 stop9h 18m

Charleston

Mon 6/15

5:10 am-10:40 am

1 stop8h 30m

$391

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Wed 7/8

5:15 am-7:35 pm

2 stops11h 20m

Charleston

Wed 7/15

4:15 pm-10:45 pm

2 stops9h 30m

$401

OntarioColumbia

ONT - CAE

ONTCAE

Ontario

Sat 5/9

10:00 pm-9:15 am

1 stop8h 15m

Columbia Metropolitan

Wed 5/13

5:38 am-10:57 am

1 stop8h 19m

$419

OntarioMyrtle Beach

ONT - MYR

ONTMYR

Ontario

Sat 9/26

5:55 pm-10:26 am

2 stops13h 31m

Myrtle Beach Intl

Sat 10/24

6:00 am-11:27 am

1 stop8h 27m

$420
Quickest round-trip

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Sat 5/16

10:00 pm-8:43 am

1 stop7h 43m

Charleston

Sat 5/23

6:03 pm-9:48 pm

1 stop6h 45m

$431

OntarioMyrtle Beach

ONT - MYR

ONTMYR

Ontario

Tue 5/12

9:55 pm-10:35 am

1 stop9h 40m

Myrtle Beach Intl

Fri 5/22

3:45 pm-10:40 pm

2 stops9h 55m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Ontario to South Carolina

Have a flexible travel schedule? Discover the best time to fly to South Carolina from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to South Carolina

What is the cheapest month to book a flight from Ontario to South Carolina?

Currently, May is the cheapest month in which you can book a flight from Ontario to South Carolina (average of $135). Flying from Ontario to South Carolina in March is currently the most expensive (average of $336). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Ontario to South Carolina?

Reviews of airlines servicing South Carolina

Get insights into the airlines that provide service to South Carolina. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South Carolina. Reviews last updated April 22, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Ontario to South Carolina. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from Ontario to South Carolina. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Ontario to South Carolina?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to South Carolina.

  • How long is the flight from Ontario to South Carolina?

    Frontier, Delta, and Southwest can get you from Ontario to South Carolina in just under 7h 25m. Your travel time can differ by up to 3h 55m. There are 2072 mi between Ontario and South Carolina. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Ontario to South Carolina one-way?

    To fly one-way, consider booking your trip with Volaris, which is currently one of the cheapest options available, starting at $30. Delta flights start at $127 while deals on Southwest start at $145 one-way.

  • What are the most popular routes from Ontario to South Carolina?

  • Can I find deals for flights from Ontario to South Carolina that include hotel bookings?

    Yes. In addition to deals on Ontario to South Carolina flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to South Carolina?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to South Carolina.

  • Can I find deals for business class flights from Ontario to South Carolina?

    Yes. Cheapflights offers flight deals from Ontario to South Carolina by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to South Carolina?

    Currently, May is the cheapest month in which you can book a flight from Ontario to South Carolina (average of $135). Flying from Ontario to South Carolina in March is currently the most expensive (average of $336). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to South Carolina

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Ontario to South Carolina

Discover the top 4 airlines that operate flights from Ontario to South Carolina. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$439FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$270Average$441FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$273Average$522FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$352Average$477FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.