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South Carolina

$139+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CHS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$181
(Southwest)

One-way from

$139
(Delta)

Popular in

April

Cheapest in

September

Average price

$506
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 ($16 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 June 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 junio 12, 2025.

This Southwest deal was found by Cheapflights users on 6/12. 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. 9/68:45 amONT - CLT
1 stop8h 45mSouthwest
jue. 9/114:00 pmCLT - ONT
1 stop6h 45mSouthwest
Deal found 6/12$181
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/147:22 pmONT - CLT
1 stop15h 18mMultiple Airlines
lun. 7/219:28 pmCLT - ONT
1 stop21h 52mMultiple Airlines
Deal found 6/12$269
This Delta deal was found by Cheapflights users on 6/12. 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. 8/1110:00 pmONT - CLT
1 stop7h 55mDelta
sáb. 8/165:29 pmCLT - ONT
1 stop8h 11mDelta
Deal found 6/12$277
This Delta deal was found by Cheapflights users on 6/11. 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.
lun. 8/410:05 pmONT - SAV
1 stop8h 16mDelta
lun. 8/115:05 pmSAV - ONT
1 stop8h 15mDelta
Deal found 6/11$297
This Delta deal was found by Cheapflights users on 6/11. 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.
mar. 9/1610:59 pmONT - MYR
1 stop8h 09mDelta
mar. 10/72:15 pmMYR - ONT
1 stop8h 27mDelta
Deal found 6/11$297
This Delta deal was found by Cheapflights users on 6/11. 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. 8/611:50 amONT - GSP
1 stop6h 22mDelta
lun. 8/115:59 pmGSP - ONT
1 stop7h 21mDelta
Deal found 6/11$297
This Delta deal was found by Cheapflights users on 6/10. 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. 10/812:00 pmONT - CHS
1 stop8h 41mDelta
jue. 10/164:30 pmCHS - ONT
1 stop9h 11mDelta
Deal found 6/10$297
This American Airlines deal was found by Cheapflights users on 6/11. 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.
jue. 9/1812:46 pmONT - SAV
1 stop6h 47mAmerican Airlines
mar. 9/239:52 amSAV - ONT
2 stops12h 02mAmerican Airlines
Deal found 6/11$302
This Southwest deal was found by Cheapflights users on 6/11. 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.
mar. 9/166:45 amONT - MYR
2 stops10h 00mSouthwest
mar. 10/77:10 amMYR - ONT
1 stop9h 20mSouthwest
Deal found 6/11$302
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 10/810:33 amONT - CHS
2 stops9h 16mAmerican Airlines
mar. 10/147:46 pmCHS - ONT
1 stop7h 16mAmerican Airlines
Deal found 6/11$302
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/273:54 pmONT - CLT
1 stop24h 47mFrontier
vie. 10/38:50 amCLT - ONT
1 stop12h 50mFrontier
Deal found 6/12$304
This Delta deal was found by Cheapflights users on 6/11. 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. 7/2010:05 pmONT - CAE
1 stop9h 10mDelta
dom. 7/277:11 pmCAE - ONT
1 stop6h 16mDelta
Deal found 6/11$309

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 junio 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

sáb. 9/6

8:45 am-8:30 pm

1 stop8h 45m

Charlotte Douglas

jue. 9/11

4:00 pm-7:45 pm

1 stop6h 45m

$181

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

lun. 7/14

7:22 pm-1:40 pm

1 stop15h 18m

Charlotte Douglas

lun. 7/21

9:28 pm-4:20 pm

1 stop21h 52m

$269

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

lun. 8/11

10:00 pm-8:55 am

1 stop7h 55m

Charlotte Douglas

mié. 8/13

7:05 am-10:35 am

1 stop6h 30m

$277

OntarioSavannah

ONT - SAV

ONTSAV

Ontario

lun. 8/4

10:05 pm-9:21 am

1 stop8h 16m

Savannah/Hilton Head

lun. 8/11

5:05 pm-10:20 pm

1 stop8h 15m

$297

OntarioMyrtle Beach

ONT - MYR

ONTMYR

Ontario

mar. 9/16

10:59 pm-10:08 am

1 stop8h 09m

Myrtle Beach Intl

mar. 10/7

2:15 pm-7:42 pm

1 stop8h 27m

$297

OntarioGreenville

ONT - GSP

ONTGSP

Ontario

mié. 8/6

11:50 am-9:12 pm

1 stop6h 22m

Greenville

lun. 8/11

5:59 pm-10:20 pm

1 stop7h 21m

$297

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

mié. 10/8

12:00 pm-11:41 pm

1 stop8h 41m

Charleston

mié. 10/15

4:30 pm-10:41 pm

1 stop9h 11m

$297

OntarioSavannah

ONT - SAV

ONTSAV

Ontario

jue. 9/18

12:46 pm-10:33 pm

1 stop6h 47m

Savannah/Hilton Head

mar. 9/23

9:52 am-6:54 pm

2 stops12h 02m

$302

OntarioMyrtle Beach

ONT - MYR

ONTMYR

Ontario

mar. 9/16

6:45 am-7:45 pm

2 stops10h 00m

Myrtle Beach Intl

mar. 10/7

7:10 am-1:30 pm

1 stop9h 20m

$302

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

mié. 10/8

10:33 am-10:49 pm

2 stops9h 16m

Charleston

mar. 10/14

7:46 pm-12:02 am

1 stop7h 16m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 junio 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 junio 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

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
2,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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 Delta, which is currently one of the cheapest options available, starting at $139. American Airlines flights start at $154 while deals on JetBlue start at $156 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 - Greenville 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$256Average$397FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$440FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$461FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$341Average$444FlexibilityNo cancel feeOn-time63%

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