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$71+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CHS
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Ontario to South Carolina

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to South Carolina (USSC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(CheapOair)

One-way from

$71
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$439
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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. 4% potential increase in price ($23 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 January 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 January 30, 2025.

This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/512:59 amONT - CLT
1 stop17h 14mFrontier
Mon 3/107:54 pmCLT - ONT
1 stop7h 15mFrontier
Deal found 1/30$160
This American Airlines deal was found by Cheapflights users on 1/29. 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.
Wed 2/2610:50 pmONT - CHS
1 stop6h 50mAmerican Airlines
Tue 3/46:30 amCHS - ONT
1 stop10h 28mAmerican Airlines
Deal found 1/29$271
This Alaska Airlines deal was found by Cheapflights users on 1/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/44:20 pmONT - CHS
1 stop22h 16mAlaska Airlines
Sat 3/86:36 pmCHS - ONT
1 stop18h 26mAlaska Airlines
Deal found 1/29$284
This Delta deal was found by Cheapflights users on 1/30. 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.
Sat 2/157:05 amONT - CHS
1 stop7h 55mDelta
Wed 2/195:00 pmCHS - ONT
1 stop8h 52mDelta
Deal found 1/30$297
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Mon 3/37:40 pmONT - CHS
2 stops11h 24mUnited Airlines
Wed 3/511:00 amCHS - ONT
2 stops13h 59mUnited Airlines
Deal found 1/29$304
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Thu 2/2710:50 pmONT - CLT
Nonstop4h 17mAmerican Airlines
Mon 3/36:38 pmCLT - ONT
Nonstop5h 24mAmerican Airlines
Deal found 1/30$309
This Delta deal was found by Cheapflights users on 1/30. 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 3/2512:46 pmONT - CAE
1 stop7h 52mDelta
Wed 4/25:05 pmCAE - ONT
1 stop8h 38mDelta
Deal found 1/30$309
This JetBlue deal was found by Cheapflights users on 1/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/310:40 pmONT - SAV
1 stop10h 16mJetBlue
Tue 5/612:45 pmSAV - ONT
1 stop11h 37mJetBlue
Deal found 1/29$312
This Delta deal was found by Cheapflights users on 1/30. 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.
Thu 2/276:00 amONT - CLT
1 stop7h 15mDelta
Mon 3/34:51 pmCLT - ONT
1 stop9h 01mDelta
Deal found 1/30$329
This American Airlines deal was found by Cheapflights users on 1/29. 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 3/116:00 amONT - SAV
1 stop6h 00mAmerican Airlines
Tue 3/186:44 amSAV - ONT
1 stop10h 16mAmerican Airlines
Deal found 1/29$337
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1812:46 pmONT - MYR
1 stop8h 03mDelta
Wed 4/162:23 pmMYR - ONT
1 stop8h 19mDelta
Deal found 1/29$351
This Delta deal was found by Cheapflights users on 1/30. 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.
Thu 2/201:05 pmONT - GSP
1 stop7h 44mDelta
Wed 2/265:40 amGSP - ONT
1 stop9h 15mDelta
Deal found 1/30$351

Find flights from Ontario to South Carolina within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Thu 4/10

4:15 pm-6:48 pm

1 stop23h 33m

Charlotte Douglas

Sun 4/13

10:20 pm-11:59 pm

1 stop28h 39m

$160

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Wed 2/26

10:50 pm-8:40 am

1 stop6h 50m

Charleston

Tue 3/4

6:30 am-1:58 pm

1 stop10h 28m

$271

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Tue 3/4

4:20 pm-5:36 pm

1 stop22h 16m

Charleston

Sat 3/8

6:36 pm-10:02 am

1 stop18h 26m

$284

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Sat 2/15

7:05 am-6:00 pm

1 stop7h 55m

Charleston

Wed 2/19

5:00 pm-10:52 pm

1 stop8h 52m

$297

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Mon 3/3

7:40 pm-10:04 am

2 stops11h 24m

Charleston

Wed 3/5

11:00 am-9:59 pm

2 stops13h 59m

$304

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Fri 5/2

10:40 pm-6:16 am

Nonstop4h 36m

Charlotte Douglas

Tue 5/6

6:46 pm-9:05 pm

Nonstop5h 19m

$309

OntarioColumbia

ONT - CAE

ONTCAE

Ontario

Tue 3/25

12:46 pm-11:38 pm

1 stop7h 52m

Columbia Metropolitan

Wed 4/2

5:05 pm-10:43 pm

1 stop8h 38m

$309

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Thu 2/20

1:05 pm-10:10 pm

1 stop6h 05m

Charlotte Douglas

Wed 2/26

7:05 am-11:55 am

1 stop7h 50m

$327

OntarioSavannah

ONT - SAV

ONTSAV

Ontario

Tue 3/11

6:00 am-3:00 pm

1 stop6h 00m

Savannah/Hilton Head

Tue 3/18

6:44 am-2:00 pm

1 stop10h 16m

$337

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Fri 4/18

5:00 am-3:16 pm

1 stop7h 16m

Charlotte Douglas

Tue 4/22

8:05 am-3:17 pm

1 stop10h 12m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 50 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.

Travel insights for flights from Ontario to South Carolina

Get recent, data-driven insights about flights from Ontario to South Carolina including ideal travel times, pricing trends, and more.

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 January 30, 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 January 30, 2025.
See what other customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,585 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,688 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,454 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

JetBlue
7.4
Good
3,156 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,913 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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 $71. American Airlines flights start at $155 while deals on Delta start at $165 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 5 airlines flying from Ontario to South Carolina

Discover the top 5 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$256Average$443FlexibilityNo cancel feeOn-time69%
Breeze AirwaysCheapest$266Average$316FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$290Average$484FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$486FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$342Average$459FlexibilityNo cancel feeOn-time63%
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