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Ontario

$117+ Cheap flights from Clearwater, FL 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
MCO — ONT
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Clearwater to Ontario are usually found in April or November, booked 61 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Clearwater to Ontario

Keep the following information in mind while searching for Clearwater to Ontario flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(Frontier)

One-way from

$117
(Cheapflightsfares)

Popular in

June

Cheapest in

April

Average price

$366
Provider with most accurate pricing for Tampa-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Tampa-Los Angeles flights.
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From Clearwater to Ontario
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One-way flight from Clearwater 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. 1% potential price decrease ($6 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 Clearwater to Ontario

Cheapest flights from Clearwater to Ontario
Explore the most affordable flight options available from Clearwater to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Frontier deal was found by Cheapflights users on 3/27. 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.
Fri 4/189:34 amTPA - ONT
1 stop10h 17mFrontier
Sun 4/205:58 pmONT - TPA
1 stop11h 31mFrontier
Deal found 3/27$238
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 9/97:15 amTPA - ONT
1 stop9h 51mAlaska Airlines
Wed 9/103:00 pmONT - TPA
1 stop11h 55mAlaska Airlines
Deal found 3/27$316
This Delta deal was found by Cheapflights users on 3/27. 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 4/266:00 amTPA - ONT
1 stop9h 16mDelta
Sat 5/37:00 amONT - TPA
1 stop6h 37mDelta
Deal found 3/27$317
This American Airlines deal was found by Cheapflights users on 3/27. 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 7/2211:30 amTPA - ONT
2 stops9h 38mAmerican Airlines
Tue 8/510:53 amONT - TPA
1 stop6h 27mAmerican Airlines
Deal found 3/27$322
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/269:40 amTPA - ONT
2 stops14h 02mUnited Airlines
Sat 5/35:05 amONT - TPA
2 stops9h 46mUnited Airlines
Deal found 3/27$327
This Southwest deal was found by Cheapflights users on 3/27. 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 6/183:10 pmTPA - ONT
2 stops8h 50mSouthwest
Mon 6/2312:55 pmONT - TPA
1 stop9h 00mSouthwest
Deal found 3/27$382
This Hawaiian Airlines deal was found by Cheapflights users on 3/26. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:15 amTPA - ONT
1 stop9h 51mHawaiian Airlines
Wed 9/173:00 pmONT - TPA
1 stop11h 55mHawaiian Airlines
Deal found 3/26$407
This JetBlue deal was found by Cheapflights users on 3/27. 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.
Wed 4/3011:15 amTPA - ONT
1 stop13h 10mJetBlue
Sun 5/1810:59 pmONT - TPA
1 stop9h 08mJetBlue
Deal found 3/27$495

Cheapflights Fare Finder

Customize your flight search to find flights from Clearwater 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 28, 2025.
Use the filters below to find and compare flights from Clearwater to Ontario that are best for you.

Fly from

Clearwater

Fly to

Ontario

Route

Depart

Return

Price

TampaOntario

TPA - ONT

TPAONT

Tampa

Fri 4/18

9:34 am-4:51 pm

1 stop10h 17m

Ontario

Sun 4/20

5:58 pm-8:29 am

1 stop11h 31m

$238

TampaOntario

TPA - ONT

TPAONT

Tampa

Sat 4/26

6:00 am-12:16 pm

1 stop9h 16m

Ontario

Sat 5/3

7:00 am-4:37 pm

1 stop6h 37m

$317

TampaOntario

TPA - ONT

TPAONT

Tampa

Sat 4/26

5:36 am-11:59 am

2 stops9h 23m

Ontario

Sat 5/3

6:00 am-4:01 pm

1 stop7h 01m

$322

TampaOntario

TPA - ONT

TPAONT

Tampa

Sat 4/26

9:40 am-8:42 pm

2 stops14h 02m

Ontario

Sat 5/3

5:05 am-5:51 pm

2 stops9h 46m

$327

TampaOntario

TPA - ONT

TPAONT

Tampa

Wed 6/18

3:10 pm-9:00 pm

2 stops8h 50m

Ontario

Mon 6/23

12:55 pm-12:55 am

1 stop9h 00m

$382

TampaOntario

TPA - ONT

TPAONT

Tampa

Wed 4/30

11:15 am-9:25 pm

1 stop13h 10m

Ontario

Sun 5/18

10:59 pm-11:07 am

1 stop9h 08m

$495

TampaOntario

TPA - ONT

TPAONT

Tampa

Tue 4/15

7:24 am-11:59 pm

2 stops19h 35m

Ontario

Thu 5/8

4:29 pm-6:03 am

1 stop10h 34m

$518

TampaOntario

TPA - ONT

TPAONT

Tampa

Fri 5/2

7:23 am-3:32 pm

1 stop11h 09m

Ontario

Sun 5/4

4:29 pm-6:03 am

1 stop10h 34m

$899

TampaOntario

TPA - ONT

TPAONT

Tampa

Sun 5/4

6:31 am-11:15 am

1 stop7h 44m

$117

TampaOntario

TPA - ONT

TPAONT

Tampa

Wed 4/30

4:46 pm-10:36 pm

1 stop8h 50m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 15 results
1
2

Best time to book a flight from Clearwater to Ontario

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

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

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

The best time to book flights from Clearwater to Ontario is 61 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 Clearwater to Ontario?

Currently, August is the cheapest month in which you can book a flight from Clearwater to Ontario (average of $246). Flying from Clearwater to Ontario in March is currently the most expensive (average of $326). 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 CL9 to ONT?

Find hourly flight availability from Clearwater 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 28, 2025.

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

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

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

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

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 28, 2025.
Read through reviews of airlines operating flights from Clearwater to Ontario, such as Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

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
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

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
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

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
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

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
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

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 Clearwater 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 Clearwater?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Ontario from Clearwater. Booking flights from Clearwater to Ontario (ONT) should be relatively easy as there are 0 daily inbound flights from Clearwater from 6 different airlines.

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

    $117 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $159 and $209, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Clearwater to Ontario (average of $246). Flying from Clearwater to Ontario in March is currently the most expensive (average of $326). 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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Top 6 airlines flying from Clearwater to Ontario

Discover the top 6 airlines that operate flights from Clearwater 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$223FlexibilityNo cancel feeOn-time62%
DeltaCheapest$177Average$427FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$196Average$280FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$273Average$421FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$453FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$308Average$403FlexibilityNo cancel feeOn-time63%
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