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Ontario

$131+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
MCO — ONT
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Clearwater to Ontario are usually found in November or May, 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 junio 12, 2025.

Round-trip from

$275
(Booking.com)

One-way from

$131
(FlightHub)

Popular in

April

Cheapest in

November

Average price

$414
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. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/186:43 amTPA - ONT
1 stop17h 09mMultiple Airlines
dom. 7/206:00 amONT - TPA
1 stop20h 38mMultiple Airlines
Deal found 6/12$282
This Frontier deal was found by Cheapflights users on 6/12. 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.
sáb. 7/193:15 pmTPA - ONT
1 stop11h 35mFrontier
mié. 8/67:22 pmONT - TPA
1 stop8h 13mFrontier
Deal found 6/12$285
This JetBlue deal was found by Cheapflights users on 6/11. 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.
mié. 7/162:40 pmTPA - ONT
1 stop10h 19mJetBlue
mar. 8/1211:45 pmONT - TPA
1 stop11h 10mJetBlue
Deal found 6/11$291
This United Airlines deal was found by Cheapflights users on 6/11. 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.
lun. 8/45:20 pmTPA - ONT
1 stop7h 17mUnited Airlines
jue. 8/76:00 amONT - TPA
1 stop6h 57mUnited Airlines
Deal found 6/11$297
This Delta deal was found by Cheapflights users on 6/11. 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. 8/73:00 pmTPA - ONT
2 stops11h 42mDelta
mar. 8/1210:00 pmONT - TPA
2 stops11h 42mDelta
Deal found 6/11$307
This Southwest deal was found by Cheapflights users on 6/11. 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.
mar. 7/17:40 amTPA - ONT
1 stop10h 25mSouthwest
mié. 7/911:35 amONT - TPA
1 stop8h 30mSouthwest
Deal found 6/11$335
This American Airlines deal was found by Cheapflights users on 6/12. 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.
vie. 8/291:06 pmTPA - ONT
2 stops8h 11mAmerican Airlines
mié. 9/310:54 amONT - TPA
2 stops9h 20mAmerican Airlines
Deal found 6/12$342
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 10/18:05 amTPA - ONT
2 stops11h 55mAlaska Airlines
vie. 10/101:31 pmONT - TPA
2 stops30h 28mAlaska Airlines
Deal found 6/10$443

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 junio 12, 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

mié. 7/30

7:30 am-9:52 pm

1 stop17h 22m

Ontario

mar. 8/5

5:15 pm-6:35 am

1 stop10h 20m

$275

TampaOntario

TPA - ONT

TPAONT

Tampa

vie. 7/18

6:43 am-8:52 pm

1 stop17h 09m

Ontario

dom. 7/20

6:00 am-5:38 am

1 stop20h 38m

$282

TampaOntario

TPA - ONT

TPAONT

Tampa

mié. 7/16

2:40 pm-9:59 pm

1 stop10h 19m

Ontario

mar. 8/12

11:45 pm-1:55 pm

1 stop11h 10m

$291

TampaOntario

TPA - ONT

TPAONT

Tampa

lun. 8/4

5:20 pm-9:37 pm

1 stop7h 17m

Ontario

jue. 8/7

6:00 am-3:57 pm

1 stop6h 57m

$297

TampaOntario

TPA - ONT

TPAONT

Tampa

jue. 8/7

3:00 pm-11:42 pm

2 stops11h 42m

Ontario

mar. 8/12

10:00 pm-12:42 pm

2 stops11h 42m

$307

TampaOntario

TPA - ONT

TPAONT

Tampa

mar. 7/1

7:40 am-3:05 pm

1 stop10h 25m

Ontario

mié. 7/9

11:35 am-11:05 pm

1 stop8h 30m

$335

TampaOntario

TPA - ONT

TPAONT

Tampa

vie. 8/29

1:06 pm-6:17 pm

2 stops8h 11m

Ontario

mié. 9/3

10:54 am-11:14 pm

2 stops9h 20m

$342

TampaOntario

TPA - ONT

TPAONT

Tampa

mié. 10/1

8:05 am-5:00 pm

2 stops11h 55m

Ontario

vie. 10/10

1:31 pm-10:59 pm

2 stops30h 28m

$443

TampaOntario

TPA - ONT

TPAONT

Tampa

lun. 8/18

7:30 am-11:53 am

1 stop7h 23m

$131

TampaOntario

TPA - ONT

TPAONT

Tampa

jue. 7/24

6:43 am-4:19 pm

1 stop12h 36m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 17 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 June 9, 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 $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 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 junio 12, 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 junio 12, 2025.
Read through reviews of airlines operating flights from Clearwater to Ontario, such as Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 5 different airlines.

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

    $131 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 Hawaiian Airlines, with prices starting from $146 and $148, 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 $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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Top 5 airlines flying from Clearwater to Ontario

Discover the top 5 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$235FlexibilityNo cancel feeOn-time62%
DeltaCheapest$202Average$453FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$273Average$407FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$443FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$308Average$401FlexibilityNo cancel feeOn-time63%

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