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Ontario

$85+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ONT
Mar 9 — Mar 161
Sun 3/9
Sun 3/16
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 March 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$180
(CheapOair)

One-way from

$85
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$508
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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. 2% potential price decrease ($10 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 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 March 4, 2025.

This CheapOair deal was found by Cheapflights users on 3/4. 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 3/263:02 pmCLT - ONT
1 stop25h 41mFrontier
Thu 3/274:04 pmONT - CLT
1 stop25h 23mFrontier
Deal found 3/4$180
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.
Wed 4/24:37 pmCHS - ONT
1 stop10h 17mAmerican Airlines
Wed 4/912:50 pmONT - CHS
1 stop6h 50mAmerican Airlines
Deal found 3/3$271
This Delta deal was found by Cheapflights users on 3/4. 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 3/296:41 pmCHS - ONT
1 stop7h 02mDelta
Sat 4/512:42 pmONT - CHS
1 stop8h 14mDelta
Deal found 3/4$299
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.
Fri 5/96:46 pmCLT - ONT
Nonstop5h 19mAmerican Airlines
Sun 5/1110:40 pmONT - CLT
Nonstop4h 37mAmerican Airlines
Deal found 3/3$309
This Delta deal was found by Cheapflights users on 3/4. 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 3/275:26 pmCLT - ONT
1 stop9h 30mDelta
Sat 3/2912:46 pmONT - CLT
1 stop7h 58mDelta
Deal found 3/4$329
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.
Tue 4/85:20 pmGSP - ONT
1 stop8h 16mDelta
Mon 4/1410:15 pmONT - GSP
1 stop7h 59mDelta
Deal found 3/3$339
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.
Mon 3/176:46 pmMYR - ONT
1 stop6h 57mDelta
Wed 3/1912:46 pmONT - MYR
1 stop8h 03mDelta
Deal found 3/2$339
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 4/84:27 pmSAV - ONT
1 stop9h 09mDelta
Mon 4/1410:15 pmONT - SAV
1 stop8h 03mDelta
Deal found 3/2$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.
Wed 4/27:35 pmSAV - ONT
1 stop7h 19mAmerican Airlines
Wed 4/912:50 pmONT - SAV
1 stop6h 05mAmerican Airlines
Deal found 3/3$341
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 4/810:23 amGSP - ONT
2 stops11h 06mAmerican Airlines
Mon 4/2110:40 pmONT - GSP
1 stop6h 46mAmerican Airlines
Deal found 3/2$344
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:00 amGSP - ONT
2 stops12h 16mUnited Airlines
Mon 5/56:48 pmONT - GSP
2 stops12h 04mUnited Airlines
Deal found 3/3$349
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.
Wed 4/27:00 amMYR - ONT
2 stops11h 32mAmerican Airlines
Wed 4/912:50 pmONT - MYR
2 stops7h 54mAmerican Airlines
Deal found 3/3$349

Find flights from South Carolina to Ontario within your budget

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 March 4, 2025.

Fly from

South Carolina

Fly to

Ontario

Route

Depart

Return

Price

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Wed 3/26

3:02 pm-1:43 pm

1 stop25h 41m

Ontario

Thu 3/27

4:04 pm-8:27 pm

1 stop25h 23m

$180

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 4/2

4:37 pm-11:54 pm

1 stop10h 17m

Ontario

Wed 4/9

12:50 pm-10:40 pm

1 stop6h 50m

$271

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Sat 3/29

6:41 pm-10:43 pm

1 stop7h 02m

Ontario

Sat 4/5

12:42 pm-11:56 pm

1 stop8h 14m

$299

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Fri 5/9

6:46 pm-9:05 pm

Nonstop5h 19m

Ontario

Sun 5/11

10:40 pm-6:17 am

Nonstop4h 37m

$309

ColumbiaOntario

CAE - ONT

CAEONT

Columbia Metropolitan

Tue 4/1

4:05 pm-8:53 pm

1 stop7h 48m

Ontario

Mon 4/7

10:40 pm-8:21 am

1 stop6h 41m

$309

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Thu 3/27

5:26 pm-11:56 pm

1 stop9h 30m

Ontario

Sat 3/29

12:46 pm-11:44 pm

1 stop7h 58m

$329

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Tue 4/8

5:20 pm-10:36 pm

1 stop8h 16m

Ontario

Mon 4/14

10:15 pm-9:14 am

1 stop7h 59m

$339

Myrtle BeachOntario

MYR - ONT

MYRONT

Myrtle Beach Intl

Mon 3/17

6:46 pm-10:43 pm

1 stop6h 57m

Ontario

Wed 3/19

12:46 pm-11:49 pm

1 stop8h 03m

$339

SavannahOntario

SAV - ONT

SAVONT

Savannah/Hilton Head

Tue 4/8

4:27 pm-10:36 pm

1 stop9h 09m

Ontario

Mon 4/14

10:15 pm-9:18 am

1 stop8h 03m

$339

SavannahOntario

SAV - ONT

SAVONT

Savannah/Hilton Head

Wed 4/2

7:35 pm-11:54 pm

1 stop7h 19m

Ontario

Wed 4/9

12:50 pm-9:55 pm

1 stop6h 05m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/4

Showing 1-10 of 57 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.

Travel insights for flights from South Carolina to Ontario

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

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 $313). 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 March 4, 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August 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 December, when temperatures are typically at their lowest (around 53.6 F).

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 March 4, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from South Carolina to Ontario to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,331 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

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
4,331 reviews
Southwest
8.1
Very good
4,331 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

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
9,713 reviews
Southwest
8.1
Very good
4,331 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

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
8,061 reviews
Southwest
8.1
Very good
4,331 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

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
8,678 reviews
Southwest
8.1
Very good
4,331 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

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

JetBlue
7.3
Good
3,006 reviews
Southwest
8.1
Very good
4,331 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

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 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 ($85), Delta ($149), and American Airlines ($155).

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

    Most travelers choose Charlotte Douglas - Ontario, Charleston - Ontario or Greenville - 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 $313). 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 March 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$269Average$483FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$522FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$346Average$646FlexibilityNo cancel feeOn-time63%
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