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$84+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ONT
feb. 4 — feb. 111
mar. 2/4
mar. 2/11
1 adult, Economy
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Cheap flight deals from South Carolina to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from South Carolina (USSC) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$170
(Frontier)

One-way from

$84
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$391
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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. 0% potential increase in price ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in January 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 enero 30, 2025.

This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/310:20 pmCLT - ONT
1 stop28h 39mFrontier
jue. 4/104:15 pmONT - CLT
1 stop23h 33mFrontier
Deal found 1/30$165
This American Airlines deal was found by Cheapflights users on 1/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/206:38 pmCLT - ONT
Nonstop5h 24mAmerican Airlines
mié. 2/2610:50 pmONT - CLT
Nonstop4h 17mAmerican Airlines
Deal found 1/29$308
This Delta deal was found by Cheapflights users on 1/30. 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.
lun. 5/265:15 pmCAE - ONT
1 stop8h 26mDelta
vie. 7/2510:59 pmONT - CAE
1 stop7h 27mDelta
Deal found 1/30$309
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/204:51 pmCLT - ONT
1 stop9h 01mDelta
mié. 2/261:05 pmONT - CLT
1 stop6h 05mDelta
Deal found 1/29$327
This American Airlines deal was found by Cheapflights users on 1/30. 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.
mié. 6/187:49 pmCHS - ONT
1 stop6h 44mAmerican Airlines
mar. 6/2411:59 pmONT - CHS
1 stop9h 09mAmerican Airlines
Deal found 1/30$331
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/14:48 pmCLT - ONT
1 stop8h 11mUnited Airlines
sáb. 3/85:05 amONT - CLT
2 stops13h 18mUnited Airlines
Deal found 1/30$334
This Delta deal was found by Cheapflights users on 1/30. 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.
mar. 4/15:40 amSAV - ONT
1 stop8h 56mDelta
mié. 4/3010:59 pmONT - SAV
1 stop7h 20mDelta
Deal found 1/30$337
This American Airlines deal was found by Cheapflights users on 1/30. 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.
mar. 3/46:49 amSAV - ONT
1 stop10h 09mAmerican Airlines
mar. 3/259:32 amONT - SAV
2 stops11h 22mAmerican Airlines
Deal found 1/30$342
This Delta deal was found by Cheapflights users on 1/30. 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. 2/155:11 pmAGS - ONT
1 stop8h 41mDelta
sáb. 2/221:05 pmONT - AGS
1 stop7h 43mDelta
Deal found 1/30$347
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/205:31 pmGSP - ONT
1 stop8h 21mDelta
mié. 2/267:05 amONT - GSP
1 stop8h 27mDelta
Deal found 1/29$351
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/276:46 pmMYR - ONT
1 stop6h 57mDelta
mié. 4/912:42 pmONT - MYR
1 stop8h 07mDelta
Deal found 1/29$351
This American Airlines deal was found by Cheapflights users on 1/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/264:13 pmGSP - ONT
1 stop7h 49mAmerican Airlines
jue. 2/277:30 pmONT - GSP
2 stops10h 06mAmerican Airlines
Deal found 1/29$356

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 enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

mar. 4/29

4:52 pm-11:59 pm

1 stop10h 07m

Ontario

jue. 5/8

6:47 pm-9:46 am

1 stop11h 59m

$170

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

jue. 2/20

6:38 pm-9:02 pm

Nonstop5h 24m

Ontario

mié. 2/26

10:50 pm-6:07 am

Nonstop4h 17m

$308

ColumbiaOntario

CAE - ONT

CAEONT

Columbia Metropolitan

lun. 5/26

5:15 pm-10:41 pm

1 stop8h 26m

Ontario

vie. 7/25

10:59 pm-9:26 am

1 stop7h 27m

$309

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

jue. 2/20

4:51 pm-10:52 pm

1 stop9h 01m

Ontario

mié. 2/26

1:05 pm-10:10 pm

1 stop6h 05m

$327

CharlestonOntario

CHS - ONT

CHSONT

Charleston

mié. 6/18

7:49 pm-11:33 pm

1 stop6h 44m

Ontario

mar. 6/24

11:59 pm-12:08 pm

1 stop9h 09m

$331

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

sáb. 3/1

4:48 pm-9:59 pm

1 stop8h 11m

Ontario

sáb. 3/8

5:05 am-9:23 pm

2 stops13h 18m

$334

SavannahOntario

SAV - ONT

SAVONT

Savannah/Hilton Head

mar. 4/1

5:40 am-11:36 am

1 stop8h 56m

Ontario

mié. 4/30

10:59 pm-9:19 am

1 stop7h 20m

$337

SavannahOntario

SAV - ONT

SAVONT

Savannah/Hilton Head

mar. 3/4

6:49 am-1:58 pm

1 stop10h 09m

Ontario

mar. 3/25

9:32 am-11:54 pm

2 stops11h 22m

$342

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

sáb. 2/15

5:11 pm-10:52 pm

1 stop8h 41m

Ontario

sáb. 2/22

1:05 pm-11:48 pm

1 stop7h 43m

$347

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

jue. 2/20

5:31 pm-10:52 pm

1 stop8h 21m

Ontario

mié. 2/26

7:05 am-6:32 pm

1 stop8h 27m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

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.

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 $310). 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 enero 30, 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 enero 30, 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
4,585 reviews

Crew

8.7

Food

7.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,585 reviews
Southwest
8.1
Very good
4,585 reviews

Crew

8.7

Food

7.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,688 reviews
Southwest
8.1
Very good
4,585 reviews

Crew

8.7

Food

7.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,454 reviews
Southwest
8.1
Very good
4,585 reviews

Crew

8.7

Food

7.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,913 reviews
Southwest
8.1
Very good
4,585 reviews

Crew

8.7

Food

7.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,585 reviews

Crew

8.7

Food

7.1

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

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 ($84), 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 $310). 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 2 airlines flying from South Carolina to Ontario

Discover the top 2 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 enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$266Average$494FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$515FlexibilityNo cancel feeOn-timeN/A
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