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South Carolina

$99+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CHS
Jan 28 — Feb 41
Wed 1/28
Wed 2/4
1 adult, Economy
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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 December 29, 2025.

This Southwest deal was found by Cheapflights users on 12/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:20 amONT - CLT
1 stop8h 30mSouthwest
Sat 1/36:05 amCLT - ONT
1 stop10h 30mSouthwest
Deal found 12/29$419
This Southwest deal was found by Cheapflights users on 12/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:20 amONT - CLT
1 stop8h 30mSouthwest
Sat 1/107:00 amCLT - ONT
1 stop12h 35mSouthwest
Deal found 12/27$441
This American Airlines deal was found by Cheapflights users on 12/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:50 amONT - CLT
1 stop6h 41mAmerican Airlines
Sat 1/36:49 pmCLT - ONT
Nonstop5h 09mAmerican Airlines
Deal found 12/29$442
This American Airlines deal was found by Cheapflights users on 12/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:40 pmONT - CLT
Nonstop4h 25mAmerican Airlines
Sat 1/101:45 pmCLT - ONT
1 stop7h 35mAmerican Airlines
Deal found 12/27$443
This United Airlines deal was found by Cheapflights users on 12/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:59 pmONT - CLT
1 stop7h 32mUnited Airlines
Sat 1/108:00 amCLT - ONT
1 stop7h 47mUnited Airlines
Deal found 12/27$453
This United Airlines deal was found by Cheapflights users on 12/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:59 pmONT - CLT
1 stop7h 32mUnited Airlines
Mon 1/127:01 amCLT - ONT
2 stops13h 42mUnited Airlines
Deal found 12/28$458
This Delta deal was found by Cheapflights users on 12/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:10 pmONT - CLT
2 stops12h 41mDelta
Sat 1/106:00 amCLT - ONT
2 stops10h 56mDelta
Deal found 12/27$463
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:29 pmONT - CAE
1 stop8h 16mDelta
Fri 1/23:00 pmCAE - ONT
1 stop7h 50mDelta
Deal found 12/26$492
This United Airlines deal was found by Cheapflights users on 12/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:59 pmONT - CLT
1 stop7h 32mUnited Airlines
Tue 2/108:00 amCLT - ONT
1 stop7h 47mUnited Airlines
Deal found 12/29$496
This United Airlines deal was found by Cheapflights users on 12/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:05 amONT - CAE
2 stops10h 54mUnited Airlines
Fri 1/210:40 amCAE - ONT
2 stops13h 27mUnited Airlines
Deal found 12/26$502
This American Airlines deal was found by Cheapflights users on 12/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:42 pmONT - CAE
1 stop6h 26mAmerican Airlines
Fri 1/27:46 pmCAE - ONT
1 stop7h 00mAmerican Airlines
Deal found 12/26$529
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:10 pmONT - CAE
2 stops14h 06mDelta
Fri 1/26:00 amCAE - ONT
1 stop7h 00mDelta
Deal found 12/26$534

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 December 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$180
(Kiwi.com)

One-way from

$99
(WAYA)

Popular in

November

Cheapest in

August

Average price

$678
Provider with most accurate pricing for Los Angeles-Myrtle Beach Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Myrtle Beach Intl flights.
Search Deals
From Ontario to South Carolina
Search Deals
One-way flight from Ontario to South Carolina
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 29, 2025.
Use the filters below to find and compare flights from Ontario to South Carolina that are best for you.

Fly from

Ontario

Fly to

South Carolina

Route

Depart

Return

Price

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Sun 3/1

6:10 am-4:18 pm

1 stop7h 08m

Charlotte Douglas

Thu 3/5

5:13 pm-11:59 pm

1 stop9h 46m

$210

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Sun 2/8

6:20 am-4:18 pm

1 stop6h 58m

Charlotte Douglas

Thu 2/12

3:28 pm-12:23 pm

1 stop23h 55m

$211

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Thu 2/26

6:05 am-4:18 pm

1 stop7h 13m

Charlotte Douglas

Wed 3/4

2:46 pm-6:27 pm

2 stops30h 41m

$221

OntarioSavannah

ONT - SAV

ONTSAV

Ontario

Sat 2/14

10:56 am-10:15 pm

1 stop8h 19m

Savannah/Hilton Head

Wed 2/18

3:46 pm-10:49 pm

1 stop10h 03m

$307

OntarioSavannah

ONT - SAV

ONTSAV

Ontario

Sat 2/14

10:20 pm-9:16 am

1 stop7h 56m

Savannah/Hilton Head

Wed 2/18

4:31 pm-9:05 pm

1 stop7h 34m

$307

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Tue 2/10

11:53 am-6:22 pm

1 stop27h 29m

Charleston

Wed 2/18

6:32 pm-11:32 pm

1 stop32h 00m

$324

OntarioColumbia

ONT - CAE

ONTCAE

Ontario

Wed 1/28

10:30 pm-9:28 am

1 stop7h 58m

Columbia Metropolitan

Sat 1/31

3:09 pm-9:05 pm

1 stop8h 56m

$329

OntarioColumbia

ONT - CAE

ONTCAE

Ontario

Wed 4/1

10:37 pm-8:39 am

1 stop7h 02m

Columbia Metropolitan

Wed 4/15

4:13 pm-9:06 pm

1 stop7h 53m

$329

OntarioColumbia

ONT - CAE

ONTCAE

Ontario

Thu 1/29

10:30 pm-9:28 am

1 stop7h 58m

Columbia Metropolitan

Mon 2/2

5:06 pm-9:05 pm

1 stop6h 59m

$329

OntarioColumbia

ONT - CAE

ONTCAE

Ontario

Thu 1/29

10:30 pm-9:28 am

1 stop7h 58m

Columbia Metropolitan

Sat 1/31

5:06 pm-9:05 pm

1 stop6h 59m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 60 results
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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, October is the cheapest month in which you can book a flight from Ontario to South Carolina (average of $112). Flying from Ontario to South Carolina in January is currently the most expensive (average of $256). 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.

What is the cheapest time of day to fly from ONT to SC?

Find hourly flight availability from Ontario to South Carolina. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 29, 2025.

It’s optimal to fly from Ontario to South Carolina in the morning. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Ontario to South Carolina?

Use this chart to determine the cheapest time to fly round-trip from Ontario to South Carolina. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Ontario to South Carolina flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 29, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Ontario to South Carolina. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,252 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

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.
Southwest
8.0
Very good
4,252 reviews
Southwest
8.0
Very good
4,252 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

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.
Delta
7.9
Good
8,014 reviews
Southwest
8.0
Very good
4,252 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

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.
United Airlines
7.4
Good
9,120 reviews
Southwest
8.0
Very good
4,252 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

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.
American Airlines
7.2
Good
11,072 reviews
Southwest
8.0
Very good
4,252 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

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, American Airlines, and Delta can get you from Ontario to South Carolina in just under 7h 08m. Your travel time can differ by up to 1h 11m. 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 $29. Viva flights start at $79 while deals on Southwest start at $145 one-way.

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

    When deciding which route to take from Ontario to South Carolina consider Ontario - Charlotte Douglas, Ontario - Charleston or Ontario - Savannah/Hilton Head as they are the most popular.

  • 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, October is the cheapest month in which you can book a flight from Ontario to South Carolina (average of $112). Flying from Ontario to South Carolina in January is currently the most expensive (average of $256). 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

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Alternative routes for Ontario to South Carolina

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$253Average$452FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$270Average$417FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$296Average$436FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$352Average$459FlexibilityNo cancel feeOn-time63%

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