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South Carolina

$115+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CHS
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 julio 3, 2025.

Round-trip from

$163
(Mytrip)

One-way from

$115
(FlightHub)

Popular in

April

Cheapest in

September

Average price

$476
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 ($20 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 July 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 julio 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/65:21 pmONT - CLT
1 stop20h 05mFrontier
dom. 8/105:21 pmCLT - ONT
1 stop18h 52mFrontier
Deal found 7/2$163
This Delta deal was found by Cheapflights users on 7/2. 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.
mié. 8/2711:45 amONT - CHS
1 stop9h 06mDelta
dom. 8/315:15 amCHS - ONT
1 stop8h 05mDelta
Deal found 7/2$308
This Delta deal was found by Cheapflights users on 7/1. 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.
mar. 8/1210:00 pmONT - CAE
1 stop8h 07mDelta
sáb. 8/165:40 amCAE - ONT
1 stop7h 55mDelta
Deal found 7/1$309
This American Airlines deal was found by Cheapflights users on 7/1. 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.
mar. 8/1211:29 pmONT - CAE
1 stop8h 59mAmerican Airlines
sáb. 8/165:10 amCAE - ONT
2 stops11h 29mAmerican Airlines
Deal found 7/1$314
This Delta deal was found by Cheapflights users on 7/1. 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.
lun. 8/1810:00 pmONT - SAV
1 stop8h 25mDelta
mié. 8/275:20 amSAV - ONT
1 stop8h 15mDelta
Deal found 7/1$317
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/237:00 amONT - CHS
1 stop9h 08mUnited Airlines
mar. 9/304:20 pmCHS - ONT
1 stop7h 04mUnited Airlines
Deal found 7/1$319
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/186:31 pmONT - SAV
2 stops13h 17mUnited Airlines
mié. 8/274:45 pmSAV - ONT
1 stop8h 45mUnited Airlines
Deal found 7/1$322
This American Airlines deal was found by Cheapflights users on 7/1. 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.
lun. 8/1811:59 pmONT - SAV
2 stops9h 08mAmerican Airlines
mié. 8/279:30 amSAV - ONT
2 stops9h 36mAmerican Airlines
Deal found 7/1$327
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/236:30 amONT - CHS
2 stops10h 25mSouthwest
mar. 9/301:05 pmCHS - ONT
2 stops9h 30mSouthwest
Deal found 7/1$329
This American Airlines deal was found by Cheapflights users on 7/1. 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.
mié. 8/2710:50 amONT - CHS
1 stop8h 12mAmerican Airlines
lun. 9/15:00 amCHS - ONT
2 stops9h 32mAmerican Airlines
Deal found 7/1$336
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/93:06 pmONT - CHS
1 stop23h 11mAlaska Airlines
mar. 9/166:17 pmCHS - ONT
1 stop19h 27mAlaska Airlines
Deal found 7/3$342
This Delta deal was found by Cheapflights users on 7/1. 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.
mié. 8/207:05 amONT - MYR
1 stop8h 06mDelta
mié. 8/276:00 amMYR - ONT
1 stop7h 35mDelta
Deal found 7/1$351

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 julio 3, 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

mié. 8/6

5:21 pm-4:26 pm

1 stop20h 05m

Charlotte Douglas

dom. 8/10

5:21 pm-9:13 am

1 stop18h 52m

$163

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

mié. 8/27

11:45 am-11:51 pm

1 stop9h 06m

Charleston

dom. 8/31

5:15 am-10:20 am

1 stop8h 05m

$308

OntarioColumbia

ONT - CAE

ONTCAE

Ontario

mar. 8/12

10:00 pm-9:07 am

1 stop8h 07m

Columbia Metropolitan

sáb. 8/16

5:40 am-10:35 am

1 stop7h 55m

$309

OntarioColumbia

ONT - CAE

ONTCAE

Ontario

mar. 8/12

11:29 pm-11:28 am

1 stop8h 59m

Columbia Metropolitan

sáb. 8/16

5:10 am-1:39 pm

2 stops11h 29m

$314

OntarioSavannah

ONT - SAV

ONTSAV

Ontario

lun. 8/18

10:00 pm-9:25 am

1 stop8h 25m

Savannah/Hilton Head

mié. 8/27

5:20 am-10:35 am

1 stop8h 15m

$317

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

mar. 9/23

7:00 am-7:08 pm

1 stop9h 08m

Charleston

mar. 9/30

4:20 pm-8:24 pm

1 stop7h 04m

$319

OntarioSavannah

ONT - SAV

ONTSAV

Ontario

lun. 8/18

6:31 pm-10:48 am

2 stops13h 17m

Savannah/Hilton Head

mié. 8/27

4:45 pm-10:30 pm

1 stop8h 45m

$322

OntarioSavannah

ONT - SAV

ONTSAV

Ontario

lun. 8/18

11:59 pm-12:07 pm

2 stops9h 08m

Savannah/Hilton Head

mié. 8/27

9:30 am-4:06 pm

2 stops9h 36m

$327

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

mar. 9/23

6:30 am-7:55 pm

2 stops10h 25m

Charleston

mar. 9/30

1:05 pm-7:35 pm

2 stops9h 30m

$329

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

mié. 8/27

10:50 am-10:02 pm

1 stop8h 12m

Charleston

lun. 9/1

5:00 am-11:32 am

2 stops9h 32m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 julio 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.

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 julio 3, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Ontario to South Carolina. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

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

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

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
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

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
2,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

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 Frontier, which is currently one of the cheapest options available, starting at $115. Delta flights start at $159 while deals on American Airlines start at $169 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 - Myrtle Beach Intl 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$256Average$379FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$436FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$471FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$341Average$441FlexibilityNo cancel feeOn-time63%

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