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South Carolina

$124+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CHS
may. 17 — may. 241
sáb. 5/17
sáb. 5/24
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 mayo 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Priceline
3 stars

Round-trip from

$240
(Frontier)

One-way from

$124
(Trip.com)

Popular in

April

Cheapest in

September

Average price

$426
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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. 3% potential increase in price ($15 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 May 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 mayo 12, 2025.

This Frontier deal was found by Cheapflights users on 5/11. 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.
jue. 8/2112:59 amONT - CLT
1 stop12h 33mFrontier
dom. 8/245:34 pmCLT - ONT
1 stop9h 16mFrontier
Deal found 5/11$240
This United Airlines deal was found by Cheapflights users on 5/12. 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. 5/275:10 amONT - CHS
1 stop7h 05mUnited Airlines
sáb. 5/314:45 pmCHS - ONT
1 stop8h 41mUnited Airlines
Deal found 5/12$271
This American Airlines deal was found by Cheapflights users on 5/12. 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. 5/316:15 amONT - CAE
2 stops11h 05mAmerican Airlines
lun. 6/24:18 pmCAE - ONT
1 stop7h 47mAmerican Airlines
Deal found 5/12$284
This American Airlines deal was found by Cheapflights users on 5/11. 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. 5/2012:45 pmONT - CHS
1 stop7h 05mAmerican Airlines
mar. 5/273:10 pmCHS - ONT
1 stop8h 55mAmerican Airlines
Deal found 5/11$300
This Delta deal was found by Cheapflights users on 5/12. 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.
lun. 7/710:05 pmONT - CAE
1 stop9h 10mDelta
jue. 11/276:50 pmCAE - ONT
1 stop6h 51mDelta
Deal found 5/12$309
This Delta deal was found by Cheapflights users on 5/11. 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.
dom. 6/810:05 pmONT - CHS
1 stop8h 34mDelta
mié. 6/116:16 pmCHS - ONT
1 stop7h 09mDelta
Deal found 5/11$314
This Delta deal was found by Cheapflights users on 5/12. 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.
sáb. 8/1612:00 pmONT - GSP
1 stop6h 31mDelta
sáb. 8/235:45 amGSP - ONT
1 stop8h 22mDelta
Deal found 5/12$339
This Southwest deal was found by Cheapflights users on 5/12. 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.
sáb. 8/168:45 amONT - CLT
1 stop8h 45mSouthwest
sáb. 8/237:00 amCLT - ONT
1 stop11h 45mSouthwest
Deal found 5/12$354
This Delta deal was found by Cheapflights users on 5/11. 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.
mié. 9/312:00 pmONT - MYR
1 stop8h 39mDelta
sáb. 9/136:45 pmMYR - ONT
1 stop6h 56mDelta
Deal found 5/11$354
This Delta deal was found by Cheapflights users on 5/12. 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. 7/310:05 pmONT - CLT
1 stop7h 46mDelta
lun. 7/74:36 pmCLT - ONT
1 stop8h 51mDelta
Deal found 5/12$362
This United Airlines deal was found by Cheapflights users on 5/11. 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. 9/136:36 pmONT - MYR
2 stops13h 03mUnited Airlines
sáb. 9/203:45 pmMYR - ONT
1 stop7h 48mUnited Airlines
Deal found 5/11$362
This Southwest deal was found by Cheapflights users on 5/11. 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.
jue. 10/25:55 amONT - SAV
1 stop6h 20mSouthwest
mar. 10/74:10 pmSAV - ONT
1 stop7h 15mSouthwest
Deal found 5/11$366

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 mayo 12, 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

jue. 8/21

12:59 am-4:32 pm

1 stop12h 33m

Charlotte Douglas

dom. 8/24

5:34 pm-11:50 pm

1 stop9h 16m

$240

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

mar. 5/27

5:10 am-3:15 pm

1 stop7h 05m

Charleston

sáb. 5/31

4:45 pm-10:26 pm

1 stop8h 41m

$271

OntarioColumbia

ONT - CAE

ONTCAE

Ontario

sáb. 5/31

6:15 am-8:20 pm

2 stops11h 05m

Columbia Metropolitan

lun. 6/2

4:18 pm-9:05 pm

1 stop7h 47m

$284

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

mar. 5/20

12:45 pm-10:50 pm

1 stop7h 05m

Charleston

mar. 5/27

3:10 pm-9:05 pm

1 stop8h 55m

$300

OntarioColumbia

ONT - CAE

ONTCAE

Ontario

lun. 7/7

10:05 pm-10:15 am

1 stop9h 10m

Columbia Metropolitan

jue. 11/27

6:50 pm-10:41 pm

1 stop6h 51m

$309

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

dom. 6/8

10:05 pm-9:39 am

1 stop8h 34m

Charleston

mié. 6/11

6:16 pm-10:25 pm

1 stop7h 09m

$314

OntarioGreenville

ONT - GSP

ONTGSP

Ontario

sáb. 8/16

12:00 pm-9:31 pm

1 stop6h 31m

Greenville

sáb. 8/23

5:45 am-11:07 am

1 stop8h 22m

$339

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

sáb. 8/16

8:45 am-8:30 pm

1 stop8h 45m

Charlotte Douglas

sáb. 8/23

7:00 am-3:45 pm

1 stop11h 45m

$354

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

jue. 7/3

10:05 pm-8:51 am

1 stop7h 46m

Charlotte Douglas

lun. 7/7

4:36 pm-10:27 pm

1 stop8h 51m

$362

OntarioMyrtle Beach

ONT - MYR

ONTMYR

Ontario

sáb. 7/5

11:59 pm-10:50 am

1 stop7h 51m

Myrtle Beach Intl

vie. 7/11

4:12 pm-9:38 pm

1 stop8h 26m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

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 mayo 12, 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 mayo 12, 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
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,924 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $124. American Airlines flights start at $136 while deals on Delta start at $149 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, 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 mayo 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$256Average$397FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$446FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$453FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$341Average$442FlexibilityNo cancel feeOn-time63%

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