HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$88+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
MCO — ONT
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Clearwater to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 17, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$181
(CheapOair)

One-way from

$88
(Cheapflightsfares)

Popular in

June

Cheapest in

November

Average price

$412
Provider with most accurate pricing for Tampa-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Tampa-Los Angeles flights.
Search Deals
From Clearwater to Ontario
Search Deals
One-way flight from Clearwater to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 17, 2025.

This CheapOair deal was found by Cheapflights users on 4/17. 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.
Tue 4/296:30 amTPA - ONT
1 stop7h 50mFrontier
Mon 5/512:59 amONT - TPA
1 stop25h 35mFrontier
Deal found 4/17$181
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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 9/306:58 pmTPA - ONT
1 stop18h 47mAlaska Airlines
Tue 10/711:30 amONT - TPA
1 stop26h 54mAlaska Airlines
Deal found 4/17$316
This American Airlines deal was found by Cheapflights users on 4/17. 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 7/226:00 amTPA - ONT
1 stop7h 01mAmerican Airlines
Mon 8/412:59 amONT - TPA
1 stop6h 36mAmerican Airlines
Deal found 4/17$317
This Delta deal was found by Cheapflights users on 4/17. 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 7/222:00 pmTPA - ONT
2 stops12h 43mDelta
Tue 8/510:59 pmONT - TPA
2 stops10h 50mDelta
Deal found 4/17$327
This Southwest deal was found by Cheapflights users on 4/17. 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 7/38:15 amTPA - ONT
2 stops8h 15mSouthwest
Wed 7/99:20 pmONT - TPA
1 stop8h 30mSouthwest
Deal found 4/17$353
This Hawaiian Airlines deal was found by Cheapflights users on 4/17. 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.
Wed 9/107:15 amTPA - ONT
1 stop9h 51mHawaiian Airlines
Sun 9/213:00 pmONT - TPA
1 stop11h 55mHawaiian Airlines
Deal found 4/17$385
This United Airlines deal was found by Cheapflights users on 4/16. 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 7/165:20 pmTPA - ONT
1 stop7h 17mUnited Airlines
Sat 7/196:38 pmONT - TPA
1 stop7h 52mUnited Airlines
Deal found 4/16$427
This United deal was found by Cheapflights users on 4/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/298:05 amTPA - ONT
1 stop7h 33mMultiple Airlines
Tue 5/64:29 pmONT - TPA
1 stop10h 34mMultiple Airlines
Deal found 4/17$649

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 April 17, 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

Tue 4/29

6:30 am-11:59 pm

1 stop20h 29m

Ontario

Fri 5/2

12:59 am-5:34 am

1 stop25h 35m

$181

TampaOntario

TPA - ONT

TPAONT

Tampa

Thu 6/12

6:00 am-10:04 am

1 stop7h 04m

Ontario

Tue 6/17

12:49 pm-12:24 am

1 stop8h 35m

$330

TampaOntario

TPA - ONT

TPAONT

Tampa

Thu 5/1

7:23 am-3:32 pm

1 stop11h 09m

Ontario

Tue 5/6

4:29 pm-6:03 am

1 stop10h 34m

$332

TampaOntario

TPA - ONT

TPAONT

Tampa

Thu 5/29

4:20 pm-10:29 pm

1 stop9h 09m

Ontario

Mon 6/2

10:01 am-11:59 pm

2 stops10h 58m

$335

TampaOntario

TPA - ONT

TPAONT

Tampa

Thu 7/3

8:15 am-1:30 pm

2 stops8h 15m

Ontario

Wed 7/9

9:20 pm-8:50 am

1 stop8h 30m

$353

TampaOntario

TPA - ONT

TPAONT

Tampa

Wed 7/16

5:20 pm-9:37 pm

1 stop7h 17m

Ontario

Sat 7/19

6:38 pm-5:30 am

1 stop7h 52m

$427

TampaOntario

TPA - ONT

TPAONT

Tampa

Tue 4/29

8:05 am-12:38 pm

1 stop7h 33m

Ontario

Tue 5/6

4:29 pm-6:03 am

1 stop10h 34m

$649

TampaOntario

TPA - ONT

TPAONT

Tampa

Wed 4/30

6:30 am-11:20 am

1 stop7h 50m

$88

TampaOntario

TPA - ONT

TPAONT

Tampa

Mon 6/2

9:19 am-8:51 pm

1 stop14h 32m

$115

TampaOntario

TPA - ONT

TPAONT

Tampa

Sat 7/5

6:00 am-10:01 am

1 stop7h 01m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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 April 11, 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 April 17, 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 April 17, 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
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,382 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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?

    $88 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $154 and $164, 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Clearwater to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Orlando to Las Vegas flights
Fort Lauderdale to Las Vegas flights
Miami to Los Angeles flights
Orlando to Los Angeles flights
Tampa to Las Vegas flights
Fort Lauderdale to Los Angeles flights
Tampa to Los Angeles flights
Miami to Las Vegas flights
Orlando to San Francisco flights
Miami to San Francisco flights
Fort Lauderdale to San Francisco flights
Tampa to San Francisco flights
Tampa to San Diego flights
Orlando to San Diego flights
Fort Lauderdale to Burbank flights
Miami to Ontario flights
Orlando to Ontario flights
Fort Myers to Las Vegas flights
West Palm Beach to Las Vegas flights
Jacksonville to Las Vegas flights
Fort Lauderdale to Santa Ana flights
Orlando to Santa Ana flights
Fort Lauderdale to San Diego flights
Orlando to Burbank flights
Jacksonville to Los Angeles flights
Miami to San Diego flights
West Palm Beach to Los Angeles flights
Tampa to Ontario flights
Miami to Santa Ana flights
Pensacola to Las Vegas flights
Tampa to Santa Ana flights
Fort Lauderdale to Ontario flights
Fort Lauderdale to Oakland flights
Tampa to Burbank flights
Orlando to Sacramento flights
Sarasota to Las Vegas flights
Fort Myers to Los Angeles flights
Orlando Sanford Intl to Las Vegas flights
Miami to Burbank flights
Orlando to San Jose flights
Tampa to Oakland flights
West Palm Beach to San Francisco flights
Miami to San Jose flights
Jacksonville to San Francisco flights
Key West to Las Vegas flights
Orlando to Oakland flights
West Palm Beach to Ontario flights
Sarasota to San Francisco flights
Orlando to Reno flights
Miami to Reno flights

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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$231FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$196Average$280FlexibilityNo cancel feeOn-time65%
DeltaCheapest$202Average$428FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$273Average$424FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$455FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$308Average$401FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.