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$126+ Cheap flights from Charlotte to Ontario (CLT - 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — ONT
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Charlotte Douglas to Ontario are usually found in April or March, booked 54 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Charlotte to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Charlotte (CLT) 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$280
(CheapOair)

One-way from

$126
(Trip.com)

Popular in

July

Cheapest in

April

Average price

$369

Good round-trip deal

$344 or less

Good one-way deal

$154 or less
Provider with most accurate pricing for Charlotte Douglas-Ontario flight deals.
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Provider most trusted by Cheapflights users for Charlotte Douglas-Ontario flights.
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From Charlotte Douglas to Ontario
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One-way flight from Charlotte Douglas to Ontario
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Charlotte Douglas to Ontario.
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Price to beat on a one-way flight from Charlotte Douglas to Ontario.
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Find flight deals from Charlotte to Ontario

Cheapest flights from Charlotte to Ontario
Explore the most affordable flight options available from Charlotte to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This Frontier deal was found by Cheapflights users on 3/23. 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.
Thu 5/15:06 pmCLT - ONT
1 stop9h 53mFrontier
Sun 5/46:47 pmONT - CLT
1 stop11h 59mFrontier
Deal found 3/23$298
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 5/86:46 pmCLT - ONT
Nonstop5h 19mAmerican Airlines
Mon 5/1210:40 pmONT - CLT
Nonstop4h 37mAmerican Airlines
Deal found 3/24$309
This Delta deal was found by Cheapflights users on 3/24. 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 5/86:35 pmCLT - ONT
1 stop6h 54mDelta
Tue 5/136:00 amONT - CLT
1 stop7h 35mDelta
Deal found 3/24$329
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Wed 11/54:45 pmCLT - ONT
1 stop7h 36mUnited Airlines
Sun 11/96:02 amONT - CLT
1 stop6h 50mUnited Airlines
Deal found 3/24$347
This Southwest deal was found by Cheapflights users on 3/24. 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 5/83:40 pmCLT - ONT
1 stop7h 45mSouthwest
Sun 5/118:10 pmONT - CLT
2 stops10h 40mSouthwest
Deal found 3/24$378
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 4/299:20 amCLT - ONT
2 stops14h 09mAlaska Airlines
Tue 5/66:00 amONT - CLT
2 stops12h 51mAlaska Airlines
Deal found 3/24$607
This Expedia deal was found by Cheapflights users on 3/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/47:50 amCLT - ONT
2 stops11h 00mMultiple Airlines
Sat 6/1412:59 amONT - CLT
1 stop12h 35mMultiple Airlines
Deal found 3/23$689

Cheapflights Fare Finder

Customize your flight search to find flights from Charlotte 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 25, 2025.
Use the filters below to find and compare flights from Charlotte to Ontario that are best for you.

Fly from

Charlotte

Fly to

Ontario

Route

Depart

Return

Price

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Thu 5/1

5:06 pm-11:59 pm

1 stop9h 53m

Ontario

Sun 5/4

6:47 pm-9:46 am

1 stop11h 59m

$298

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Thu 5/8

6:46 pm-9:05 pm

Nonstop5h 19m

Ontario

Mon 5/12

10:40 pm-6:17 am

Nonstop4h 37m

$309

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Thu 5/8

6:35 pm-10:29 pm

1 stop6h 54m

Ontario

Tue 5/13

6:00 am-4:35 pm

1 stop7h 35m

$329

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Thu 5/8

3:40 pm-8:25 pm

1 stop7h 45m

Ontario

Sun 5/11

8:10 pm-9:50 am

2 stops10h 40m

$378

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Wed 4/23

8:05 am-12:38 pm

1 stop7h 33m

Ontario

Wed 4/30

6:10 am-3:48 pm

1 stop6h 38m

$429

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Tue 4/29

9:20 am-8:29 pm

2 stops14h 09m

Ontario

Tue 5/6

6:00 am-9:51 pm

2 stops12h 51m

$607

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Wed 6/4

7:50 am-3:50 pm

2 stops11h 00m

Ontario

Sat 6/14

12:59 am-4:34 pm

1 stop12h 35m

$689

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Thu 5/1

5:06 pm-11:59 pm

1 stop9h 53m

$126

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Mon 6/9

11:45 am-10:46 pm

2 stops14h 01m

$170

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Fri 5/2

6:41 pm-8:59 pm

Nonstop5h 18m

$180

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 13 results
1
2

Compare providers for flights from Charlotte to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Charlotte to Ontario in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Charlotte-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charlotte-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charlotte-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Charlotte-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Charlotte-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Charlotte to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Charlotte 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 Charlotte to Ontario

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

Use this chart to determine the optimal time to book a round-trip flight from Charlotte to Ontario. Price data was last updated on March 21, 2025.

The best time to book flights from Charlotte to Ontario is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Charlotte to Ontario (average of $246). Flying from Charlotte to Ontario in March is currently the most expensive (average of $324). 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 CLT to ONT?

Find hourly flight availability from Charlotte 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 25, 2025.

It’s optimal to fly from Charlotte to Ontario at noon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the evening.

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

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

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

Weekly flight availability from Charlotte to Ontario

Explore weekly flight availability from Charlotte to Ontario. 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 25, 2025.

The most flights from CLT to ONT 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 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 25, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Charlotte to Ontario. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Alaska Airlines
8.0
Very good
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

Find useful and relevant information for your journey from Charlotte to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Charlotte to Ontario?

    If you book a flight from Charlotte to Ontario, you will be flying from Douglas to Ontario. Flights to Ontario (ONT) from Charlotte Douglas (CLT) take 4h 47m for a nonstop flight. There is 1 flight from Douglas to Ontario per day from 5 airlines.

  • What are the cheapest airlines flying from Charlotte to Ontario round-trip?

    Currently priced at $280, Frontier will fly you from Charlotte to Ontario and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $309 and $329, respectively. Frontier is 36% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $126. Delta flights start at $170 while deals on American Airlines start at $180 one-way.

  • What are the cheapest flights from Charlotte to Ontario?

    The cheapest flight price from Charlotte to Ontario is $154. On average you can expect to pay $287. The most popular route, (Charlotte Douglas - Ontario), can usually be booked for $298.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Charlotte to Ontario (average of $246). Flying from Charlotte to Ontario in March is currently the most expensive (average of $324). 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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Alternative routes for Charlotte to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Charlotte to Ontario

Discover the top 5 airlines that operate flights from Charlotte 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 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$132Average$238FlexibilityNo cancel feeOn-time62%
DeltaCheapest$276Average$422FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$309Average$494FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$328Average$353FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$328Average$577FlexibilityNo cancel feeOn-time69%
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