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$123+ Cheap flights from South Carolina to Ontario (ONT)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ONT
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from South Carolina to Ontario

Keep the following information in mind while searching for South Carolina to Ontario flight deals. Data was last updated September 16, 2025.

Round-trip from

$153
(Priceline)

One-way from

$123
(Kiwi.com)

Popular in

September

Cheapest in

August

Average price

$526
From South Carolina to Ontario
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One-way flight from South Carolina to Ontario
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High demand for flights, 2% potential price rise
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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 September 2025
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Find flight deals from South Carolina to Ontario

Cheapest flights from South Carolina to Ontario
Explore the most affordable flight options available from South Carolina to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:07 pmCLT - ONT
1 stop8h 43mFrontier
Sun 11/166:53 amONT - CLT
1 stop7h 24mFrontier
Deal found 9/14$153
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:57 amCLT - ONT
1 stop11h 52mFrontier
Mon 11/176:53 amONT - CLT
1 stop7h 24mFrontier
Deal found 9/14$154
This Frontier deal was found by Cheapflights users on 9/15. 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.
Thu 10/28:55 amCLT - ONT
1 stop12h 40mFrontier
Sun 10/57:15 pmONT - CLT
1 stop12h 37mFrontier
Deal found 9/15$163
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/35:38 pmCLT - ONT
1 stop29h 16mFrontier
Sat 10/118:34 amONT - CLT
1 stop22h 21mFrontier
Deal found 9/14$173
This Gotogate deal was found by Cheapflights users on 9/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:38 pmCLT - ONT
1 stop29h 16mFrontier
Thu 10/28:59 pmONT - CLT
1 stop16h 44mFrontier
Deal found 9/16$179
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/288:55 amCLT - ONT
1 stop12h 40mFrontier
Wed 10/18:59 pmONT - CLT
1 stop16h 26mFrontier
Deal found 9/16$185
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:00 amCLT - ONT
1 stop9h 28mFrontier
Fri 10/316:53 amONT - CLT
1 stop7h 24mFrontier
Deal found 9/15$191
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:07 pmCLT - ONT
1 stop20h 03mFrontier
Sun 11/96:53 amONT - CLT
2 stops29h 05mFrontier
Deal found 9/14$204
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:20 pmCLT - ONT
1 stop29h 34mFrontier
Thu 9/258:59 pmONT - CLT
1 stop16h 44mFrontier
Deal found 9/14$207
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/215:20 pmCLT - ONT
1 stop17h 33mFrontier
Sun 10/58:59 pmONT - CLT
1 stop16h 26mFrontier
Deal found 9/15$210
This Delta deal was found by Cheapflights users on 9/15. 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 10/215:40 amSAV - ONT
1 stop7h 46mDelta
Sat 10/2511:36 amONT - SAV
1 stop6h 16mDelta
Deal found 9/15$307
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/217:09 amSAV - ONT
1 stop9h 34mAmerican Airlines
Sat 10/2510:57 amONT - SAV
2 stops10h 02mAmerican Airlines
Deal found 9/14$312

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Carolina to Ontario 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 September 16, 2025.
Use the filters below to find and compare flights from South Carolina to Ontario that are best for you.

Fly from

South Carolina

Fly to

Ontario

Route

Depart

Return

Price

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Fri 10/17

5:34 pm-11:50 pm

1 stop9h 16m

Ontario

Mon 10/20

6:53 am-4:39 pm

1 stop6h 46m

$245

SavannahOntario

SAV - ONT

SAVONT

Savannah/Hilton Head

Tue 10/21

5:40 am-10:26 am

1 stop7h 46m

Ontario

Sat 10/25

11:36 am-8:52 pm

1 stop6h 16m

$307

SavannahOntario

SAV - ONT

SAVONT

Savannah/Hilton Head

Tue 10/21

7:09 am-11:57 am

1 stop7h 48m

Ontario

Sat 10/25

10:29 pm-8:28 am

1 stop6h 59m

$307

SavannahOntario

SAV - ONT

SAVONT

Savannah/Hilton Head

Thu 11/6

5:47 pm-10:22 pm

1 stop7h 35m

Ontario

Wed 11/12

11:45 am-8:58 pm

1 stop6h 13m

$307

SavannahOntario

SAV - ONT

SAVONT

Savannah/Hilton Head

Thu 11/6

5:30 pm-12:05 am

2 stops9h 35m

Ontario

Wed 11/12

6:50 am-4:40 pm

1 stop6h 50m

$312

Hilton Head IslandOntario

HHH - ONT

HHHONT

Hilton Head Island

Wed 10/22

3:32 pm-9:36 pm

1 stop9h 04m

Ontario

Tue 10/28

11:59 pm-4:51 pm

2 stops13h 52m

$314

SavannahOntario

SAV - ONT

SAVONT

Savannah/Hilton Head

Thu 10/23

6:59 pm-10:22 pm

1 stop6h 23m

Ontario

Sat 10/25

11:36 am-8:52 pm

1 stop6h 16m

$317

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Wed 11/12

12:55 pm-8:45 pm

2 stops10h 50m

Ontario

Wed 11/19

8:40 am-9:10 pm

2 stops9h 30m

$327

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Sat 3/14

4:00 pm-9:14 pm

1 stop8h 14m

Ontario

Tue 3/17

10:30 pm-9:19 am

1 stop7h 49m

$331

ColumbiaOntario

CAE - ONT

CAEONT

Columbia Metropolitan

Sat 2/28

5:10 pm-9:14 pm

1 stop7h 04m

Ontario

Wed 3/4

10:30 pm-9:28 am

1 stop7h 58m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 60 results
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Best time to book a flight from South Carolina to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from South Carolina 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 South Carolina to Ontario

What is the cheapest month to book a flight from South Carolina to Ontario?

Currently, August is the cheapest month in which you can book a flight from South Carolina to Ontario (average of $246). Flying from South Carolina to Ontario in March is currently the most expensive (average of $327). 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 SC to ONT?

Find hourly flight availability from South Carolina to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from South Carolina to Ontario. 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 into for flights to Ontario from South Carolina?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ontario from South Carolina.

  • How long is the flight from South Carolina to Ontario?

    There are many flights that can get you from South Carolina to Ontario in 7h 46m. Fly via Frontier, Delta, or American Airlines to get the fastest option. South Carolina and Ontario are separated by a distance of 2098 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from South Carolina to Ontario are Frontier ($136), Delta ($159), and American Airlines ($159).

  • What are the most popular routes from South Carolina to Ontario?

    Most travelers choose Charlotte Douglas - Ontario, Greenville - Ontario or Charleston - Ontario when deciding on the best route from South Carolina to Ontario.

  • Can I find deals for flights from South Carolina to Ontario that include hotel bookings?

    Yes. In addition to deals on South Carolina to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Carolina to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Carolina to Ontario.

  • Can I find deals for business class flights from South Carolina to Ontario?

    Yes. Cheapflights offers flight deals from South Carolina to Ontario 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 South Carolina to Ontario?

    Currently, August is the cheapest month in which you can book a flight from South Carolina to Ontario (average of $246). Flying from South Carolina to Ontario in March is currently the most expensive (average of $327). 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 South Carolina to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from South Carolina to Ontario

Discover the top 3 airlines that operate flights from South Carolina to Ontario. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$267Average$456FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$455FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$346Average$646FlexibilityNo cancel feeOn-time63%

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