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Florence

$397+ Cheap flights from Ontario (ONT) to Florence (FLR)

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FLR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Ontario to Florence

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Florence (FLR). 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 September 11, 2025.

Round-trip from

$529
(United Airlines)

One-way from

$397
(KLM)

Popular in

June

Cheapest in

February

Average price

$800
From Ontario to Florence Peretola
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One-way flight from Ontario to Florence Peretola
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Highest demand for flights based on searches. 18% potential increase in price ($206 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Florence

Cheapest flights from Ontario to Florence
Explore the most affordable flight options available from Ontario to Florence. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/191:15 pmONT - FLR
2 stops18h 30mUnited Airlines
Fri 11/76:30 amFLR - ONT
2 stops25h 21mUnited Airlines
Deal found 9/10$529
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/191:15 pmONT - FLR
2 stops18h 30mUnited Airlines
Tue 11/48:00 amFLR - ONT
2 stops37h 37mUnited Airlines
Deal found 9/10$545
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/181:53 pmONT - FLR
2 stops41h 52mUnited Airlines
Tue 11/48:00 amFLR - ONT
2 stops37h 37mUnited Airlines
Deal found 9/10$550
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 12/11:29 pmONT - FLR
2 stops18h 01mUnited Airlines
Mon 12/86:30 amFLR - ONT
2 stops23h 12mUnited Airlines
Deal found 9/11$579
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/81:29 pmONT - FLR
2 stops18h 01mUnited Airlines
Sun 11/169:35 amFLR - ONT
2 stops22h 16mUnited Airlines
Deal found 9/10$637
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:36 pmONT - FLR
2 stops34h 59mUnited Airlines
Sat 11/12:15 pmFLR - ONT
2 stops41h 36mUnited Airlines
Deal found 9/10$748
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:59 pmONT - FLR
2 stops31h 31mUnited Airlines
Mon 12/296:30 amFLR - ONT
2 stops25h 11mUnited Airlines
Deal found 9/10$786
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:59 pmONT - FLR
2 stops31h 31mUnited Airlines
Sun 12/288:00 amFLR - ONT
2 stops18h 43mUnited Airlines
Deal found 9/10$797
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:05 amONT - FLR
2 stops19h 15mDelta
Mon 9/227:00 amFLR - ONT
2 stops21h 15mDelta
Deal found 9/10$808
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 11/15:05 amONT - FLR
2 stops23h 30mUnited Airlines
Sat 11/86:30 amFLR - ONT
2 stops25h 21mUnited Airlines
Deal found 9/11$860
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:59 pmONT - FLR
2 stops31h 31mUnited Airlines
Wed 12/316:30 amFLR - ONT
2 stops25h 03mUnited Airlines
Deal found 9/10$862

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Florence 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 September 11, 2025.
Use the filters below to find and compare flights from Ontario to Florence that are best for you.

Fly from

Ontario

Fly to

Florence

Route

Depart

Return

Price

OntarioFlorence

ONT - FLR

ONTFLR

Ontario

Tue 10/21

9:36 am-12:55 pm

2 stops18h 19m

Florence Peretola

Fri 11/7

6:30 am-10:51 pm

2 stops25h 21m

$529

OntarioFlorence

ONT - FLR

ONTFLR

Ontario

Wed 10/22

1:15 pm-4:45 pm

2 stops18h 30m

Florence Peretola

Fri 11/7

6:30 am-10:31 pm

2 stops25h 01m

$529

OntarioFlorence

ONT - FLR

ONTFLR

Ontario

Tue 12/2

6:00 am-12:35 pm

2 stops21h 35m

Florence Peretola

Tue 12/9

6:30 am-5:37 pm

2 stops20h 07m

$529

OntarioFlorence

ONT - FLR

ONTFLR

Ontario

Sun 10/19

1:15 pm-4:45 pm

2 stops18h 30m

Florence Peretola

Fri 11/7

6:30 am-10:51 pm

3 stops25h 21m

$529

OntarioFlorence

ONT - FLR

ONTFLR

Ontario

Mon 10/20

9:36 am-12:55 pm

2 stops18h 19m

Florence Peretola

Thu 11/6

6:35 am-10:51 pm

2 stops25h 16m

$529

OntarioFlorence

ONT - FLR

ONTFLR

Ontario

Sun 3/1

1:00 pm-4:30 pm

2 stops18h 30m

Florence Peretola

Wed 3/11

6:30 am-8:17 pm

2 stops21h 47m

$531

OntarioFlorence

ONT - FLR

ONTFLR

Ontario

Sun 10/19

1:15 pm-4:45 pm

2 stops18h 30m

Florence Peretola

Tue 11/4

8:00 am-12:37 pm

2 stops37h 37m

$545

OntarioFlorence

ONT - FLR

ONTFLR

Ontario

Thu 3/5

6:45 am-7:50 pm

2 stops28h 05m

Florence Peretola

Mon 3/9

9:50 am-11:52 pm

2 stops46h 02m

$546

OntarioFlorence

ONT - FLR

ONTFLR

Ontario

Sat 10/18

1:53 pm-4:45 pm

2 stops41h 52m

Florence Peretola

Tue 11/4

8:00 am-12:37 pm

2 stops37h 37m

$550

OntarioFlorence

ONT - FLR

ONTFLR

Ontario

Mon 1/5

6:45 am-2:25 pm

2 stops22h 40m

Florence Peretola

Tue 5/5

7:00 am-10:38 pm

2 stops24h 38m

$616

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 21 results
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Best time to book a flight from Ontario to Florence

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Florence (average of $763). Flying from Ontario to Florence in June is currently the most expensive (average of $1,294). 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.

Reviews of airlines servicing Florence

Get insights into the airlines that provide service to Florence. 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 Florence. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with United Airlines from Ontario to Florence by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

  • How long is the flight from Ontario to Florence?

    For as low as $529, United Airlines can have you in Florence from Ontario in 18h 19m. The distance from Ontario to Florence is about 6163 mi.

  • What is the cheapest airline to fly from Ontario to Florence round-trip?

    According to our current data, United Airlines ($557), offers the cheapest pricing from Ontario to Florence.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Ontario to Florence (average of $763). Flying from Ontario to Florence in June is currently the most expensive (average of $1,294). 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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Alternative routes for Ontario to Florence

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ontario to Florence

Discover the top airline that operate flights from Ontario to Florence. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$557Average$658FlexibilityNo cancel feeOn-time69%

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