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$123+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
MCO — ONT
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Clearwater to Ontario are usually found in November or August, 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 julio 31, 2025.

Round-trip from

$243
(Trip.com)

One-way from

$121
(Trip.com)

Popular in

April

Cheapest in

November

Average price

$398
From Clearwater to Ontario
Search Deals
One-way flight from Clearwater to Ontario
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Highest demand for flights based on searches. 4% potential increase in price ($18 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 July 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 julio 31, 2025.

This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/27:30 amTPA - ONT
1 stop11h 50mFrontier
vie. 8/812:59 amONT - TPA
1 stop10h 05mFrontier
Deal found 7/29$258
This American Airlines deal was found by Cheapflights users on 7/31. 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. 8/291:55 pmTPA - ONT
1 stop10h 38mAmerican Airlines
mié. 9/36:10 amONT - TPA
1 stop8h 40mAmerican Airlines
Deal found 7/31$299
This Delta deal was found by Cheapflights users on 7/30. 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.
jue. 12/256:00 amTPA - ONT
1 stop7h 38mDelta
mié. 12/3111:56 amONT - TPA
1 stop9h 28mDelta
Deal found 7/30$307
This United Airlines deal was found by Cheapflights users on 7/30. 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.
jue. 9/47:45 amTPA - ONT
2 stops12h 44mUnited Airlines
dom. 9/76:04 amONT - TPA
1 stop6h 46mUnited Airlines
Deal found 7/30$364
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/97:35 amTPA - ONT
1 stop9h 37mAlaska Airlines
mié. 9/176:00 amONT - TPA
1 stop9h 20mAlaska Airlines
Deal found 7/30$396

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 julio 31, 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

jue. 9/11

1:09 pm-6:35 pm

1 stop8h 26m

Ontario

dom. 9/14

12:28 pm-11:25 pm

1 stop7h 57m

$243

TampaOntario

TPA - ONT

TPAONT

Tampa

mié. 8/13

7:30 am-6:27 pm

1 stop13h 57m

Ontario

sáb. 8/16

5:21 pm-11:34 am

1 stop15h 13m

$265

TampaOntario

TPA - ONT

TPAONT

Tampa

mar. 9/9

6:00 am-10:35 am

1 stop7h 35m

Ontario

mar. 9/16

10:00 pm-10:01 am

1 stop9h 01m

$299

TampaOntario

TPA - ONT

TPAONT

Tampa

sáb. 9/13

9:32 am-6:16 pm

2 stops11h 44m

Ontario

sáb. 9/27

10:35 pm-9:18 am

1 stop7h 43m

$304

TampaOntario

TPA - ONT

TPAONT

Tampa

mar. 9/9

7:35 am-2:12 pm

1 stop9h 37m

Ontario

sáb. 9/13

6:00 am-6:20 pm

1 stop9h 20m

$339

TampaOntario

TPA - ONT

TPAONT

Tampa

jue. 9/4

7:45 am-5:29 pm

2 stops12h 44m

Ontario

dom. 9/7

6:04 am-3:50 pm

1 stop6h 46m

$364

TampaOntario

TPA - ONT

TPAONT

Tampa

mié. 8/13

7:30 am-9:52 pm

1 stop17h 22m

$123

TampaOntario

TPA - ONT

TPAONT

Tampa

mié. 9/24

7:20 am-9:56 pm

1 stop17h 36m

$134

TampaOntario

TPA - ONT

TPAONT

Tampa

mar. 12/16

7:00 am-3:12 pm

1 stop11h 12m

$149

TampaOntario

TPA - ONT

TPAONT

Tampa

mié. 8/20

6:00 am-10:35 am

1 stop7h 35m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 14 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 July 25, 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 julio 31, 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.

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 julio 31, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Clearwater to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

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

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

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
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

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
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,914 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

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?

    $128 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 JetBlue, with prices starting from $150 and $160, 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$148Average$244FlexibilityNo cancel feeOn-time62%
DeltaCheapest$177Average$461FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$273Average$416FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$290Average$387FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$308Average$402FlexibilityNo cancel feeOn-time63%

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