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Ontario

$119+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ONT
ago 6 — ago 131
qua 8/6
qua 8/13
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 agosto 1, 2025.

Round-trip from

$265
(FlightHub)

One-way from

$119
(Frontier)

Popular in

December

Cheapest in

September

Average price

$406
From South Carolina to Ontario
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One-way flight from South Carolina to Ontario
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Highest demand for flights based on searches. 3% potential increase in price ($13 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 August 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 agosto 1, 2025.

This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 8/125:31 pmCLT - ONT
1 stop9h 19mFrontier
qua 8/1312:59 amONT - CLT
1 stop12h 27mFrontier
Deal found 7/29$258
This JetBlue deal was found by Cheapflights users on 8/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 9/412:24 pmSAV - ONT
1 stop12h 05mJetBlue
dom 9/710:56 pmONT - SAV
1 stop9h 43mJetBlue
Deal found 8/1$293
This American Airlines deal was found by Cheapflights users on 7/30. 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.
qua 9/247:27 pmCLT - ONT
Nonstop4h 57mAmerican Airlines
sáb 10/410:35 pmONT - CLT
Nonstop4h 33mAmerican Airlines
Deal found 7/30$305
This Delta deal was found by Cheapflights users on 7/31. 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.
ter 10/75:45 amCAE - ONT
1 stop7h 41mDelta
sex 10/2410:29 pmONT - CAE
1 stop8h 47mDelta
Deal found 7/31$309
This Delta deal was found by Cheapflights users on 8/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 8/305:35 amCLT - ONT
1 stop7h 45mDelta
sáb 9/67:05 amONT - CLT
1 stop7h 43mDelta
Deal found 8/1$313
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 8/215:05 pmCLT - ONT
1 stop8h 25mSouthwest
ter 8/266:45 amONT - CLT
1 stop6h 50mSouthwest
Deal found 7/29$330
This Delta deal was found by Cheapflights users on 7/30. 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.
sáb 10/186:00 amGSP - ONT
1 stop7h 26mDelta
qua 10/2210:29 pmONT - GSP
1 stop7h 30mDelta
Deal found 7/30$333
This Delta deal was found by Cheapflights users on 7/31. 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 9/66:00 amMYR - ONT
1 stop7h 35mDelta
ter 9/97:05 amONT - MYR
1 stop8h 06mDelta
Deal found 7/31$333
This American Airlines deal was found by Cheapflights users on 8/1. 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.
ter 10/217:09 amSAV - ONT
1 stop9h 23mAmerican Airlines
sáb 10/2512:47 pmONT - SAV
1 stop7h 29mAmerican Airlines
Deal found 8/1$333
This United Airlines deal was found by Cheapflights users on 7/31. 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.
ter 10/286:00 amCLT - ONT
2 stops9h 31mUnited Airlines
ter 10/286:38 pmONT - CLT
2 stops11h 27mUnited Airlines
Deal found 7/31$335
This Delta deal was found by Cheapflights users on 7/30. 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.
ter 9/306:51 amAGS - ONT
1 stop6h 51mDelta
sáb 10/46:00 amONT - AGS
2 stops10h 57mDelta
Deal found 7/30$336
This Delta deal was found by Cheapflights users on 7/31. 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.
seg 8/252:55 pmCHS - ONT
1 stop7h 16mDelta
seg 9/111:45 amONT - CHS
1 stop9h 06mDelta
Deal found 7/31$336

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 agosto 1, 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

ter 8/12

5:31 pm-11:50 pm

1 stop9h 19m

Ontario

qua 8/13

12:59 am-4:26 pm

1 stop12h 27m

$258

SavannahOntario

SAV - ONT

SAVONT

Savannah/Hilton Head

qui 9/4

12:24 pm-9:29 pm

1 stop12h 05m

Ontario

dom 9/7

10:56 pm-11:39 am

1 stop9h 43m

$293

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

qua 9/24

7:27 pm-9:24 pm

Nonstop4h 57m

Ontario

sáb 10/4

10:35 pm-6:08 am

Nonstop4h 33m

$305

ColumbiaOntario

CAE - ONT

CAEONT

Columbia Metropolitan

ter 10/7

5:45 am-10:26 am

1 stop7h 41m

Ontario

sex 10/24

10:29 pm-10:16 am

1 stop8h 47m

$309

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

sáb 8/30

5:35 am-10:20 am

1 stop7h 45m

Ontario

sáb 9/6

7:05 am-5:48 pm

1 stop7h 43m

$313

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

qui 8/21

5:05 pm-10:30 pm

1 stop8h 25m

Ontario

ter 8/26

6:45 am-4:35 pm

1 stop6h 50m

$330

SavannahOntario

SAV - ONT

SAVONT

Savannah/Hilton Head

ter 10/21

7:09 am-1:32 pm

1 stop9h 23m

Ontario

sáb 10/25

12:47 pm-11:16 pm

1 stop7h 29m

$333

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

sáb 10/18

6:00 am-10:26 am

1 stop7h 26m

Ontario

qua 10/22

10:29 pm-8:59 am

1 stop7h 30m

$333

Myrtle BeachOntario

MYR - ONT

MYRONT

Myrtle Beach Intl

sáb 9/6

6:00 am-10:35 am

1 stop7h 35m

Ontario

ter 9/9

7:05 am-6:11 pm

1 stop8h 06m

$333

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

ter 10/28

6:00 am-12:31 pm

2 stops9h 31m

Ontario

ter 10/28

6:38 pm-9:05 am

2 stops11h 27m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 58 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 $328). 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 agosto 1, 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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated agosto 1, 2025.
Read through reviews of airlines operating flights from South Carolina to Ontario, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

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

Comfort

7.8

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

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
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

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
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

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
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

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 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.

  • 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 ($119), American Airlines ($153), and Delta ($158).

  • 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 $328). 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

Browse thousands of different options on Cheapflights for your next trip

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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 agosto 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$270Average$489FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$428FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$346Average$516FlexibilityNo cancel feeOn-time63%

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