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Spartanburg

$91+ Cheap flights from Ontario (ONT) to Spartanburg, SC

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CLT
Mar 15 — Mar 221
Sat 3/15
Sat 3/22
1 adult, Economy
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The best prices from Ontario to Spartanburg are usually found in September or January, booked 81 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Ontario to Spartanburg

Keep the following information in mind while searching for Ontario to Spartanburg flight deals. Data was last updated March 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$170
(CheapOair)

One-way from

$91
(Frontier)

Popular in

June

Cheapest in

September

Average price

$416
Provider with most accurate pricing for Los Angeles-Charlotte Douglas flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Charlotte Douglas flights.
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From Ontario to Spartanburg
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One-way flight from Ontario to Spartanburg
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Highest demand for flights based on searches. 10% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 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 Ontario to Spartanburg

Cheapest flights from Ontario to Spartanburg
Explore the most affordable flight options available from Ontario to Spartanburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2025.

This CheapOair deal was found by Cheapflights users on 3/10. 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.
Mon 5/512:59 amONT - CLT
1 stop12h 06mFrontier
Tue 5/135:06 pmCLT - ONT
1 stop9h 53mFrontier
Deal found 3/10$170
This American Airlines deal was found by Cheapflights users on 3/10. 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 4/810:40 pmONT - CLT
Nonstop4h 36mAmerican Airlines
Tue 4/156:41 pmCLT - ONT
Nonstop5h 18mAmerican Airlines
Deal found 3/10$309
This Delta deal was found by Cheapflights users on 3/10. 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 4/227:00 amONT - CLT
1 stop6h 26mDelta
Wed 5/215:45 pmCLT - ONT
1 stop8h 57mDelta
Deal found 3/10$329
This Southwest deal was found by Cheapflights users on 3/9. 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 7/38:00 amONT - CLT
2 stops9h 15mSouthwest
Wed 7/96:00 amCLT - ONT
2 stops9h 25mSouthwest
Deal found 3/9$404
This United Airlines deal was found by Cheapflights users on 3/9. 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 7/35:10 amONT - CLT
1 stop6h 59mUnited Airlines
Fri 7/44:45 pmCLT - ONT
1 stop7h 37mUnited Airlines
Deal found 3/9$429
This Alaska Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 4/810:18 amONT - CLT
3 stops15h 47mAlaska Airlines
Tue 4/152:47 pmCLT - ONT
2 stops22h 52mAlaska Airlines
Deal found 3/10$582

Find flights from Ontario to Spartanburg within your budget

Customize your flight search to find flights from Ontario to Spartanburg 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 10, 2025.

Fly from

Ontario

Fly to

Spartanburg

Route

Depart

Return

Price

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Mon 5/5

12:59 am-4:05 pm

1 stop12h 06m

Charlotte Douglas

Tue 5/13

5:06 pm-11:59 pm

1 stop9h 53m

$170

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Tue 4/8

10:40 pm-6:16 am

Nonstop4h 36m

Charlotte Douglas

Tue 4/15

6:41 pm-8:59 pm

Nonstop5h 18m

$309

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Tue 4/22

7:00 am-4:26 pm

1 stop6h 26m

Charlotte Douglas

Wed 5/21

5:45 pm-11:42 pm

1 stop8h 57m

$329

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Tue 4/22

5:30 am-7:20 pm

2 stops10h 50m

Charlotte Douglas

Wed 5/21

11:15 am-3:45 pm

1 stop7h 30m

$409

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Sat 4/5

5:00 am-3:13 pm

1 stop7h 13m

Charlotte Douglas

Sun 4/6

5:00 pm-9:58 pm

1 stop7h 58m

$429

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Tue 4/8

10:18 am-5:05 am

3 stops15h 47m

Charlotte Douglas

Tue 4/15

2:47 pm-10:39 am

2 stops22h 52m

$582

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Wed 5/7

12:59 am-4:05 pm

1 stop12h 06m

Charlotte Douglas

Wed 5/14

9:20 am-8:19 pm

2 stops13h 59m

$754

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Mon 5/12

12:59 am-4:05 pm

1 stop12h 06m

$91

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Wed 4/9

10:40 pm-6:16 am

Nonstop4h 36m

$155

OntarioCharlotte

ONT - CLT

ONTCLT

Ontario

Tue 4/8

12:42 pm-11:46 pm

1 stop8h 04m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 13 results
1
2

Best time to book a flight from Ontario to Spartanburg

Have a flexible travel schedule? Discover the best time to fly to Spartanburg 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.

Travel insights for flights from Ontario to Spartanburg

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

How far ahead should I book a flight from Ontario to Spartanburg?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Spartanburg. Price data was last updated on March 7, 2025.

The price you pay for your flight from Ontario to Spartanburg may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Ontario to Spartanburg?

Currently, August is the cheapest month in which you can book a flight from Ontario to Spartanburg (average of $248). Flying from Ontario to Spartanburg 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 ONT to SB1?

Find hourly flight availability from Ontario to Spartanburg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 10, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Spartanburg as you normally would.

What is the cheapest day to fly from Ontario to Spartanburg?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Spartanburg. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to Spartanburg flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Ontario to Spartanburg

Explore weekly flight availability from Ontario to Spartanburg. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 10, 2025.

The most flights from ONT to SB1 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Spartanburg by month

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

In terms of precipitation, rainfall in Spartanburg ranges from 3.0 - 4.2 inches per month. August is typically the wettest month, when rainfall can reach 4.2 in. April is typically the driest time to visit Spartanburg when rainfall is around 3.0 in.

Temperature in Spartanburg by month

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

If weather is an important factor for your trip to Spartanburg, use this chart to help with planning. For those seeking warmer temperatures, July 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 January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Spartanburg

Get insights into the airlines that provide service to Spartanburg. 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 Spartanburg. Reviews last updated March 10, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Ontario to Spartanburg have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,300 reviews

Boarding

8.2

Crew

8.7

Entertainment

7.6

Comfort

8.1

Overall

8.1

Food

7.1

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
4,300 reviews
Southwest
8.1
Very good
4,300 reviews

Boarding

8.2

Crew

8.7

Entertainment

7.6

Comfort

8.1

Overall

8.1

Food

7.1

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
9,727 reviews
Southwest
8.1
Very good
4,300 reviews

Boarding

8.2

Crew

8.7

Entertainment

7.6

Comfort

8.1

Overall

8.1

Food

7.1

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
7,973 reviews
Southwest
8.1
Very good
4,300 reviews

Boarding

8.2

Crew

8.7

Entertainment

7.6

Comfort

8.1

Overall

8.1

Food

7.1

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
8,631 reviews
Southwest
8.1
Very good
4,300 reviews

Boarding

8.2

Crew

8.7

Entertainment

7.6

Comfort

8.1

Overall

8.1

Food

7.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

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

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,300 reviews

Boarding

8.2

Crew

8.7

Entertainment

7.6

Comfort

8.1

Overall

8.1

Food

7.1

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 Ontario to Spartanburg. 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 Spartanburg?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Spartanburg. 6 airlines have flights from Ontario to Spartanburg on a regular basis. Booking flights from Ontario to Spartanburg should not be difficult; the airport handles an average of 1 outbound flight to Spartanburg per day.

  • How popular is this Ontario to Spartanburg flight route?

    This flight path from Ontario to Spartanburg was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Ontario to Spartanburg one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $91. American Airlines flights start at $155 while deals on Delta start at $165 one-way.

  • What are the cheapest flights from Ontario to Spartanburg?

    While on average a flight from Ontario to Spartanburg is generally $371, our data shows the cheapest flight currently is $163. When looking at the most popular route, (Ontario - Charlotte Douglas), you can expect to pay $190 for that flight.

  • Can I find deals for flights from Ontario to Spartanburg that include hotel bookings?

    Yes. In addition to deals on Ontario to Spartanburg flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Spartanburg?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Spartanburg.

  • Can I find deals for business class flights from Ontario to Spartanburg?

    Yes. Cheapflights offers flight deals from Ontario to Spartanburg 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 Spartanburg?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Spartanburg (average of $248). Flying from Ontario to Spartanburg 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.

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Top 6 airlines flying from Ontario to Spartanburg

Discover the top 6 airlines that operate flights from Ontario to Spartanburg. 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 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$112Average$165FlexibilityNo cancel feeOn-time65%
FrontierCheapest$129Average$220FlexibilityNo cancel feeOn-time62%
DeltaCheapest$276Average$466FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$485FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$328Average$446FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$328Average$498FlexibilityNo cancel feeOn-time69%
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