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Ontario

$89+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ONT
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$188
(Frontier)

One-way from

$89
(Frontier)

Popular in

December

Cheapest in

May

Average price

$408
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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. 6% potential increase in price ($26 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 April 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 April 17, 2025.

This Frontier deal was found by Cheapflights users on 4/17. 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.
Tue 4/224:52 pmCLT - ONT
1 stop10h 07mFrontier
Thu 5/16:47 pmONT - CLT
1 stop11h 59mFrontier
Deal found 4/17$188
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/156:02 pmCHS - ONT
1 stop6h 36mAmerican Airlines
Tue 7/227:05 pmONT - CHS
2 stops10h 21mAmerican Airlines
Deal found 4/16$276
This JetBlue deal was found by Cheapflights users on 4/17. 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.
Fri 6/612:45 pmSAV - ONT
1 stop11h 37mJetBlue
Mon 6/910:40 pmONT - SAV
1 stop10h 16mJetBlue
Deal found 4/17$293
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/185:15 amCHS - ONT
1 stop8h 42mDelta
Tue 6/2411:49 amONT - CHS
1 stop8h 02mDelta
Deal found 4/16$297
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/115:30 amSAV - ONT
1 stop8h 38mDelta
Tue 5/207:05 amONT - SAV
1 stop9h 11mDelta
Deal found 4/16$313
This Delta deal was found by Cheapflights users on 4/17. 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 5/245:30 amGSP - ONT
1 stop8h 38mDelta
Fri 5/3012:18 pmONT - GSP
1 stop6h 25mDelta
Deal found 4/17$326
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/285:11 pmCHS - ONT
1 stop7h 45mUnited Airlines
Thu 9/45:40 amONT - CHS
2 stops10h 28mUnited Airlines
Deal found 4/16$336
This Southwest deal was found by Cheapflights users on 4/17. 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.
Wed 7/95:00 pmMYR - ONT
1 stop8h 15mSouthwest
Wed 7/165:10 amONT - MYR
2 stops9h 40mSouthwest
Deal found 4/17$356
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Sun 5/255:00 amSAV - ONT
2 stops11h 52mAmerican Airlines
Tue 6/37:25 pmONT - SAV
2 stops10h 04mAmerican Airlines
Deal found 4/17$356
This Delta deal was found by Cheapflights users on 4/17. 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 5/225:45 pmCLT - ONT
1 stop8h 57mDelta
Sun 5/2512:18 pmONT - CLT
1 stop8h 34mDelta
Deal found 4/17$362
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:45 pmCHS - ONT
1 stop18h 54mAlaska Airlines
Fri 10/176:55 pmONT - CHS
1 stop19h 36mAlaska Airlines
Deal found 4/15$364
This Southwest deal was found by Cheapflights users on 4/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2811:25 amCHS - ONT
2 stops12h 40mSouthwest
Thu 9/45:40 amONT - CHS
2 stops10h 20mSouthwest
Deal found 4/16$371

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 April 17, 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 5/30

11:26 am-6:42 pm

1 stop10h 16m

Ontario

Mon 6/2

12:59 am-4:34 pm

1 stop12h 35m

$188

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Tue 7/15

6:02 pm-9:38 pm

1 stop6h 36m

Ontario

Tue 7/22

7:05 pm-8:26 am

2 stops10h 21m

$276

SavannahOntario

SAV - ONT

SAVONT

Savannah/Hilton Head

Fri 6/6

12:45 pm-9:22 pm

1 stop11h 37m

Ontario

Mon 6/9

10:40 pm-11:56 am

1 stop10h 16m

$293

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 6/18

5:15 am-10:57 am

1 stop8h 42m

Ontario

Tue 6/24

11:49 am-10:51 pm

1 stop8h 02m

$297

SavannahOntario

SAV - ONT

SAVONT

Savannah/Hilton Head

Sun 5/11

5:30 am-11:08 am

1 stop8h 38m

Ontario

Tue 5/20

7:05 am-7:16 pm

1 stop9h 11m

$313

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Tue 6/10

6:00 pm-10:25 pm

1 stop7h 25m

Ontario

Tue 6/17

11:49 am-10:04 pm

1 stop7h 15m

$326

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Thu 8/28

5:11 pm-9:56 pm

1 stop7h 45m

Ontario

Thu 9/4

5:40 am-7:08 pm

2 stops10h 28m

$336

Myrtle BeachOntario

MYR - ONT

MYRONT

Myrtle Beach Intl

Wed 7/9

5:00 pm-10:15 pm

1 stop8h 15m

Ontario

Wed 7/16

5:10 am-5:50 pm

2 stops9h 40m

$356

SavannahOntario

SAV - ONT

SAVONT

Savannah/Hilton Head

Sun 5/25

5:00 am-1:52 pm

2 stops11h 52m

Ontario

Tue 6/3

7:25 pm-8:29 am

2 stops10h 04m

$356

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Thu 5/22

5:45 pm-11:42 pm

1 stop8h 57m

Ontario

Sun 5/25

12:18 pm-11:52 pm

1 stop8h 34m

$362

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 51 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 April 17, 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 April 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
JetBlue
7.3
Good
2,926 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 ($89), American Airlines ($136), and United Airlines ($141).

  • 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 $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

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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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$270Average$490FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$469FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$346Average$516FlexibilityNo cancel feeOn-time63%

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