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South Carolina

$91+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CHS
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
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 March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$180
(CheapOair)

One-way from

$91
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$494
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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 ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 3, 2025.

This CheapOair deal was found by Cheapflights users on 3/2. 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.
Mon 4/2112:59 amONT - CLT
1 stop12h 03mFrontier
Thu 5/85:06 pmCLT - ONT
1 stop9h 53mFrontier
Deal found 3/2$180
This Delta deal was found by Cheapflights users on 3/2. 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 4/512:42 pmONT - CHS
1 stop8h 14mDelta
Wed 4/165:35 amCHS - ONT
1 stop8h 22mDelta
Deal found 3/2$297
This American Airlines deal was found by Cheapflights users on 3/2. 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 4/19:47 amONT - CAE
2 stops11h 26mAmerican Airlines
Tue 4/812:40 pmCAE - ONT
2 stops12h 18mAmerican Airlines
Deal found 3/2$306
This American Airlines deal was found by Cheapflights users on 3/3. 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 4/1710:40 pmONT - CLT
Nonstop4h 36mAmerican Airlines
Mon 4/216:41 pmCLT - ONT
Nonstop5h 18mAmerican Airlines
Deal found 3/3$309
This Delta deal was found by Cheapflights users on 3/2. 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 4/2210:15 pmONT - CLT
1 stop9h 10mDelta
Wed 5/215:45 pmCLT - ONT
1 stop8h 57mDelta
Deal found 3/2$329
This American Airlines deal was found by Cheapflights users on 3/3. 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 3/3111:59 pmONT - SAV
2 stops9h 55mAmerican Airlines
Wed 4/29:08 amSAV - ONT
2 stops12h 25mAmerican Airlines
Deal found 3/3$329
This American Airlines deal was found by Cheapflights users on 3/1. 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 3/269:32 amONT - CHS
2 stops9h 53mAmerican Airlines
Fri 3/287:17 pmCHS - ONT
1 stop7h 37mAmerican Airlines
Deal found 3/1$329
This Delta deal was found by Cheapflights users on 3/2. 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 3/2712:46 pmONT - SAV
1 stop8h 11mDelta
Tue 4/15:40 amSAV - ONT
1 stop8h 56mDelta
Deal found 3/2$339
This Delta deal was found by Cheapflights users on 3/3. 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.
Wed 6/410:00 pmONT - CAE
1 stop8h 19mDelta
Tue 8/265:40 amCAE - ONT
1 stop8h 27mDelta
Deal found 3/3$339
This Delta deal was found by Cheapflights users on 3/3. 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 4/1710:15 pmONT - GSP
1 stop7h 59mDelta
Wed 4/235:32 pmGSP - ONT
1 stop8h 04mDelta
Deal found 3/3$339
This American Airlines deal was found by Cheapflights users on 3/3. 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.
Sat 5/1010:51 amONT - GSP
2 stops9h 55mAmerican Airlines
Sat 5/1712:15 pmGSP - ONT
2 stops9h 08mAmerican Airlines
Deal found 3/3$349
This Expedia deal was found by Cheapflights users on 3/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/111:33 amONT - CLT
2 stops15h 11mMultiple Airlines
Sat 4/57:47 pmCLT - ONT
1 stop7h 12mMultiple Airlines
Deal found 3/2$355

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 March 3, 2025.

Fly from

Ontario

Fly to

South Carolina

Route

Depart

Return

Price

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Mon 4/21

12:59 am-4:02 pm

1 stop12h 03m

Charlotte Douglas

Thu 5/8

5:06 pm-11:59 pm

1 stop9h 53m

$180

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Sat 4/5

12:42 pm-11:56 pm

1 stop8h 14m

Charleston

Wed 4/16

5:35 am-10:57 am

1 stop8h 22m

$297

OntarioColumbia

ONT - CAE

ONTCAE

Ontario

Tue 4/1

9:47 am-12:13 am

2 stops11h 26m

Columbia Metropolitan

Tue 4/8

12:40 pm-9:58 pm

2 stops12h 18m

$306

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Thu 4/17

10:40 pm-6:16 am

Nonstop4h 36m

Charlotte Douglas

Mon 4/21

6:41 pm-8:59 pm

Nonstop5h 18m

$309

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Tue 4/22

10:15 pm-10:25 am

1 stop9h 10m

Charlotte Douglas

Wed 5/21

5:45 pm-11:42 pm

1 stop8h 57m

$329

OntarioSavannah

ONT - SAV

ONTSAV

Ontario

Mon 3/31

11:59 pm-12:54 pm

2 stops9h 55m

Savannah/Hilton Head

Wed 4/2

9:08 am-6:33 pm

2 stops12h 25m

$329

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

Wed 3/26

9:32 am-10:25 pm

2 stops9h 53m

Charleston

Fri 3/28

7:17 pm-11:54 pm

1 stop7h 37m

$329

OntarioSavannah

ONT - SAV

ONTSAV

Ontario

Thu 3/27

12:46 pm-11:57 pm

1 stop8h 11m

Savannah/Hilton Head

Tue 4/1

5:40 am-11:36 am

1 stop8h 56m

$339

OntarioColumbia

ONT - CAE

ONTCAE

Ontario

Wed 6/4

10:00 pm-9:19 am

1 stop8h 19m

Columbia Metropolitan

Tue 8/26

5:40 am-11:07 am

1 stop8h 27m

$339

OntarioGreenville

ONT - GSP

ONTGSP

Ontario

Thu 4/17

10:15 pm-9:14 am

1 stop7h 59m

Greenville

Wed 4/23

5:32 pm-10:36 pm

1 stop8h 04m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

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.

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 March 3, 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 March 3, 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
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,333 reviews
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,710 reviews
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,068 reviews
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Hawaiian Airlines
7.9
Good
2,319 reviews
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,679 reviews
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 $91. Delta flights start at $149 while deals on American Airlines start at $155 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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$256Average$462FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$285Average$478FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$480FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$329Average$461FlexibilityNo cancel feeOn-time63%
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