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$480+ Cheap flights from Fiumicino (FCO) 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
FCO — ONT
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Leonardo da Vinci/Fiumicino to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Leonardo da Vinci/Fiumicino (FCO) to Ontario (ONT). 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 November 21, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$614
(Kissandfly.com)

One-way from

$480
(Kiwi.com)
Provider with most accurate pricing for Rome Fiumicino-Ontario flight deals.
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Provider most trusted by Cheapflights users for Rome Fiumicino-Ontario flights.
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From Rome Fiumicino to Ontario
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One-way flight from Rome Fiumicino to Ontario
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Find flight deals from Leonardo da Vinci/Fiumicino to Ontario

Cheapest flights from Leonardo da Vinci/Fiumicino to Ontario
Explore the most affordable flight options available from Leonardo da Vinci/Fiumicino to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Kissandfly.com deal was found by Cheapflights users on 11/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/612:00 pmFCO - ONT
2 stops30h 52mMultiple Airlines
Tue 12/106:05 amONT - FCO
2 stops17h 55mMultiple Airlines
Deal found 11/20$614
This KLM deal was found by Cheapflights users on 11/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/66:10 amFCO - ONT
2 stops19h 44mKLM
Tue 12/107:10 amONT - FCO
1 stop15h 45mKLM
Deal found 11/20$666
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 12/61:20 pmFCO - ONT
2 stops19h 38mUnited Airlines
Tue 12/101:40 pmONT - FCO
2 stops33h 15mUnited Airlines
Deal found 11/20$675
This Delta deal was found by Cheapflights users on 11/20. 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.
Wed 12/189:20 amFCO - ONT
2 stops22h 42mDelta
Sun 12/2910:29 pmONT - FCO
1 stop27h 01mDelta
Deal found 11/20$845
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 11/291:10 pmFCO - ONT
2 stops40h 26mAmerican Airlines
Sat 12/76:20 amONT - FCO
2 stops20h 50mAmerican Airlines
Deal found 11/20$975
This Iberia deal was found by Cheapflights users on 11/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2612:00 pmFCO - ONT
2 stops20h 57mIberia
Sun 3/2311:02 amONT - FCO
1 stop16h 18mIberia
Deal found 11/20$1,065
This Air France deal was found by Cheapflights users on 11/20. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2610:15 amFCO - ONT
1 stop18h 26mAir France
Tue 4/297:00 amONT - FCO
1 stop15h 35mAir France
Deal found 11/20$1,241

Find flights from Leonardo da Vinci/Fiumicino to Ontario within your budget

Customize your flight search to find flights from Leonardo da Vinci/Fiumicino 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Fri 12/6

12:00 pm-9:52 am

2 stops30h 52m

Ontario

Tue 12/10

6:05 am-9:00 am

2 stops17h 55m

$614

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Fri 12/6

6:10 am-4:54 pm

2 stops19h 44m

Ontario

Tue 12/10

7:10 am-7:55 am

1 stop15h 45m

$666

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Fri 12/6

1:20 pm-11:58 pm

2 stops19h 38m

Ontario

Tue 12/10

1:40 pm-7:55 am

2 stops33h 15m

$675

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Fri 4/4

9:45 am-10:58 pm

1 stop22h 13m

Ontario

Sun 4/20

7:00 am-7:35 am

1 stop15h 35m

$716

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Sun 2/23

12:00 pm-11:54 pm

2 stops20h 54m

Ontario

Wed 3/12

11:02 am-11:20 am

1 stop16h 18m

$741

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 4/17

12:10 pm-8:09 pm

1 stop16h 59m

Ontario

Sun 4/20

6:42 am-8:05 am

1 stop16h 23m

$996

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Fri 3/14

11:00 am-8:16 pm

1 stop17h 16m

Ontario

Sun 3/30

8:52 am-8:05 am

1 stop14h 13m

$1,226

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 12/26

10:15 am-7:41 pm

1 stop18h 26m

Ontario

Tue 4/29

7:00 am-7:35 am

1 stop15h 35m

$1,241

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Wed 12/4

6:30 pm-11:08 am

2 stops49h 38m

$480

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Tue 2/11

6:00 am-4:28 pm

2 stops19h 28m

$755

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 17 results
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Compare providers for flights from Leonardo da Vinci/Fiumicino to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Leonardo da Vinci/Fiumicino to Ontario in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rome Fiumicino Airport-Ontario flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Rome Fiumicino Airport-Ontario flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Rome Fiumicino Airport-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rome Fiumicino Airport-Ontario flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rome Fiumicino Airport-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Leonardo da Vinci/Fiumicino to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Leonardo da Vinci/Fiumicino 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.

Travel insights for flights from Leonardo da Vinci/Fiumicino to Ontario

Get recent, data-driven insights about flights from Leonardo da Vinci/Fiumicino to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Rome Fiumicino Airport to Ontario?

Currently, September is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Ontario (average of $236). Flying from Rome Fiumicino Airport to Ontario in December is currently the most expensive (average of $298). 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.

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 November 21, 2024.
Read through reviews of airlines operating flights from Rome to Ontario, such as KLM, Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very good
776 reviews

Boarding

8.3

Food

7.8

Comfort

8.0

Crew

8.6

Overall

8.3

Entertainment

8.0

Reviews

1 / 10

Had a beer dropped in my lap which was a total accident, what I want impressed with was the fact that I had to ask for a towel to clean up my leg and the ground. From Taipei to Seattle

China Airlines
8.3
Very good
776 reviews
China Airlines
8.3
Very good
776 reviews

Boarding

8.3

Food

7.8

Comfort

8.0

Crew

8.6

Overall

8.3

Entertainment

8.0

Reviews

1 / 10

Had a beer dropped in my lap which was a total accident, what I want impressed with was the fact that I had to ask for a towel to clean up my leg and the ground. From Taipei to Seattle

Delta
8.0
Very good
8,755 reviews
China Airlines
8.3
Very good
776 reviews

Boarding

8.3

Food

7.8

Comfort

8.0

Crew

8.6

Overall

8.3

Entertainment

8.0

Reviews

1 / 10

Had a beer dropped in my lap which was a total accident, what I want impressed with was the fact that I had to ask for a towel to clean up my leg and the ground. From Taipei to Seattle

KLM
7.8
Good
1,349 reviews
China Airlines
8.3
Very good
776 reviews

Boarding

8.3

Food

7.8

Comfort

8.0

Crew

8.6

Overall

8.3

Entertainment

8.0

Reviews

1 / 10

Had a beer dropped in my lap which was a total accident, what I want impressed with was the fact that I had to ask for a towel to clean up my leg and the ground. From Taipei to Seattle

Air France
7.4
Good
1,525 reviews
China Airlines
8.3
Very good
776 reviews

Boarding

8.3

Food

7.8

Comfort

8.0

Crew

8.6

Overall

8.3

Entertainment

8.0

Reviews

1 / 10

Had a beer dropped in my lap which was a total accident, what I want impressed with was the fact that I had to ask for a towel to clean up my leg and the ground. From Taipei to Seattle

United Airlines
7.4
Good
9,172 reviews
China Airlines
8.3
Very good
776 reviews

Boarding

8.3

Food

7.8

Comfort

8.0

Crew

8.6

Overall

8.3

Entertainment

8.0

Reviews

1 / 10

Had a beer dropped in my lap which was a total accident, what I want impressed with was the fact that I had to ask for a towel to clean up my leg and the ground. From Taipei to Seattle

Related info for your journey

Find useful and relevant information for your journey from Leonardo da Vinci/Fiumicino 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 Rome Fiumicino?

    If you book a flight to Ontario from Rome Fiumicino, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Rome Fiumicino to Ontario per day from 0 different airlines.

  • What are the cheapest airlines flying from Rome Fiumicino Airport to Ontario round-trip?

    According to our current data, KLM ($666), United Airlines ($675), and Delta ($716) offers the cheapest pricing from Rome Fiumicino Airport to Ontario.

  • What are the cheapest airlines to fly from Rome Fiumicino Airport to Ontario one-way?

    $755 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on British Airways and KLM, with prices starting from $758 and $765, respectively.

  • Can I find deals for flights from Leonardo da Vinci/Fiumicino to Ontario that include hotel bookings?

    Yes. In addition to deals on Leonardo da Vinci/Fiumicino to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Leonardo da Vinci/Fiumicino to Ontario?

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

  • Can I find deals for business class flights from Leonardo da Vinci/Fiumicino to Ontario?

    Yes. Cheapflights offers flight deals from Leonardo da Vinci/Fiumicino 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 Rome Fiumicino Airport to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Ontario (average of $236). Flying from Rome Fiumicino Airport to Ontario in December is currently the most expensive (average of $298). 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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