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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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CHS
abr. 20 — abr. 271
dom. 4/20
dom. 4/27
1 adult, Economy
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Cheap 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 abril 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$198
(Frontier)

One-way from

$99
(Frontier)

Popular in

December

Cheapest in

September

Average price

$517
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From Ontario to South Carolina
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One-way flight from Ontario to South Carolina
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Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 abril 15, 2025.

This Frontier deal was found by Cheapflights users on 4/14. 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.
mié. 4/2312:59 amONT - CLT
1 stop12h 03mFrontier
dom. 4/274:52 pmCLT - ONT
1 stop10h 07mFrontier
Deal found 4/14$198
This Trip.com deal was found by Cheapflights users on 4/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/76:47 pmONT - CLT
1 stop12h 03mMultiple Airlines
vie. 5/910:36 amCLT - ONT
1 stop10h 11mMultiple Airlines
Deal found 4/14$248
This American Airlines deal was found by Cheapflights users on 4/14. 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.
mar. 5/1311:59 pmONT - CHS
1 stop9h 06mAmerican Airlines
mié. 5/287:14 pmCHS - ONT
1 stop7h 29mAmerican Airlines
Deal found 4/14$271
This JetBlue deal was found by Cheapflights users on 4/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/210:59 pmONT - SAV
1 stop9h 41mJetBlue
vie. 6/612:45 pmSAV - ONT
1 stop11h 37mJetBlue
Deal found 4/14$293
This Delta deal was found by Cheapflights users on 4/13. 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.
mar. 7/110:05 pmONT - CHS
1 stop7h 38mDelta
mar. 7/84:30 pmCHS - ONT
1 stop8h 59mDelta
Deal found 4/13$297
This United Airlines deal was found by Cheapflights users on 4/13. 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.
mar. 5/206:00 amONT - CHS
2 stops12h 59mUnited Airlines
mié. 5/2810:04 amCHS - ONT
2 stops10h 35mUnited Airlines
Deal found 4/13$305
This Delta deal was found by Cheapflights users on 4/13. 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.
mar. 5/1312:18 pmONT - MYR
1 stop8h 41mDelta
mar. 5/206:00 amMYR - ONT
1 stop8h 08mDelta
Deal found 4/13$313
This Delta deal was found by Cheapflights users on 4/14. 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.
mar. 5/1312:18 pmONT - GSP
1 stop6h 25mDelta
mar. 5/207:35 amGSP - ONT
1 stop6h 33mDelta
Deal found 4/14$313
This Delta deal was found by Cheapflights users on 4/14. 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.
jue. 5/810:00 pmONT - SAV
1 stop8h 16mDelta
dom. 5/115:30 amSAV - ONT
1 stop8h 38mDelta
Deal found 4/14$332
This American Airlines deal was found by Cheapflights users on 4/14. 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.
mar. 5/137:25 pmONT - GSP
2 stops10h 08mAmerican Airlines
mar. 5/206:00 amGSP - ONT
2 stops8h 50mAmerican Airlines
Deal found 4/14$342
This United Airlines deal was found by Cheapflights users on 4/14. 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.
sáb. 6/75:10 amONT - CLT
2 stops9h 01mUnited Airlines
mié. 6/115:05 pmCLT - ONT
1 stop7h 05mUnited Airlines
Deal found 4/14$348
This American Airlines deal was found by Cheapflights users on 4/13. 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.
sáb. 7/266:10 amONT - MYR
1 stop9h 17mAmerican Airlines
sáb. 8/27:17 pmMYR - ONT
1 stop7h 38mAmerican Airlines
Deal found 4/13$351

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 abril 15, 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

vie. 4/25

12:59 am-4:02 pm

1 stop12h 03m

Charlotte Douglas

mar. 4/29

4:52 pm-11:59 pm

1 stop10h 07m

$198

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

mié. 5/7

6:47 pm-9:50 am

1 stop12h 03m

Charlotte Douglas

vie. 5/9

10:36 am-5:47 pm

1 stop10h 11m

$248

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

mar. 5/13

11:59 pm-12:05 pm

1 stop9h 06m

Charleston

mié. 5/28

7:14 pm-11:43 pm

1 stop7h 29m

$271

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

mar. 7/1

10:05 pm-8:43 am

1 stop7h 38m

Charleston

mar. 7/8

4:30 pm-10:29 pm

1 stop8h 59m

$297

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

mar. 5/20

6:00 am-9:59 pm

2 stops12h 59m

Charleston

mié. 5/28

10:04 am-5:39 pm

2 stops10h 35m

$305

OntarioGreenville

ONT - GSP

ONTGSP

Ontario

mar. 5/13

12:18 pm-9:43 pm

1 stop6h 25m

Greenville

mar. 5/20

7:35 am-11:08 am

1 stop6h 33m

$313

OntarioSavannah

ONT - SAV

ONTSAV

Ontario

jue. 5/8

12:18 pm-10:24 pm

1 stop7h 06m

Savannah/Hilton Head

dom. 5/11

5:30 am-11:08 am

1 stop8h 38m

$332

OntarioMyrtle Beach

ONT - MYR

ONTMYR

Ontario

dom. 5/11

10:00 pm-10:08 am

1 stop9h 08m

Myrtle Beach Intl

sáb. 5/17

6:00 am-11:08 am

1 stop8h 08m

$335

OntarioGreenville

ONT - GSP

ONTGSP

Ontario

mar. 5/13

7:25 pm-8:33 am

2 stops10h 08m

Greenville

mar. 5/20

6:00 am-11:50 am

2 stops8h 50m

$342

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

sáb. 6/7

5:10 am-5:11 pm

2 stops9h 01m

Charlotte Douglas

mié. 6/11

5:05 pm-9:10 pm

1 stop7h 05m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

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, August is the cheapest month in which you can book a flight from Ontario to South Carolina (average of $217). Flying from Ontario to South Carolina in March is currently the most expensive (average of $335). 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 abril 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to South Carolina as you normally would.

Rainfall in South Carolina by month

Plan your trip to South Carolina by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Carolina ranges from 3.0 - 6.5 inches per month. July is typically the wettest month, when rainfall can reach 6.5 in. November is typically the driest time to visit South Carolina when rainfall is around 3.0 in.

Temperature in South Carolina by month

Plan your trip to South Carolina by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Carolina, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 44.6 F).

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 abril 15, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Ontario to South Carolina have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,918 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,375 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $99. American Airlines flights start at $136 while deals on Alaska Airlines start at $148 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 - Savannah/Hilton Head or Ontario - Charleston 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, August is the cheapest month in which you can book a flight from Ontario to South Carolina (average of $217). Flying from Ontario to South Carolina in March is currently the most expensive (average of $335). 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 abril 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$256Average$399FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$468FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$456FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$329Average$452FlexibilityNo cancel feeOn-time63%

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