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

Currently priced at $604, KLM will fly you from Ontario to Rome Fiumicino Airport and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $616 and $639, respectively. KLM is priced at 47% lower than the current average price of a flight leaving 3 months from now.

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

The cheapest airlines for a one-way flight from Ontario to Rome Fiumicino Airport are United Airlines ($518), KLM ($521), and Air Canada ($524).

What is the cheapest day to fly from Ontario to Rome Fiumicino Airport?

Travelers seeking maximum savings on their Ontario to Rome Fiumicino Airport flight should consider departing on Friday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Ontario to Rome Fiumicino Airport?

Before booking your flight from Ontario to Rome Fiumicino Airport check out the most popular airlines for this route: American Airlines, British Airways or Delta.

What is the cheapest day to fly round-trip from Ontario to Rome Fiumicino Airport?

Wednesday flights are generally found to be more expensive for flights from Ontario to Rome Fiumicino Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Rome Fiumicino Airport.

How far in advance should I book a flight from Ontario to Rome Fiumicino Airport?

Users have found that booking a flight from Ontario to Rome Fiumicino Airport at least 50 days early can save you up to 26% on average compared to booking a flight this week. If booking 50 days before your flight isn’t an option for you, users have found flights from Ontario to Rome Fiumicino Airport for as little as $820 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,000 for flights departing within the next 3 days.

What is the cheapest month to fly from Ontario to Rome Fiumicino Airport?

February is one of the best times of the year to fly to Rome Fiumicino Airport from Ontario. Prices for February average $842 per person but you can even find prices for as low as $495. The most expensive prices can be found in the month of June. Opting for a February flight can save you 35% on your journey compared to booking in June

Most accurate provider : When it comes to deals on Ontario-Rome Fiumicino Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Rome Fiumicino Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Rome Fiumicino Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Rome Fiumicino Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Ontario-Rome Fiumicino Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Ontario to Rome Fiumicino?

For a flight from Ontario to Rome Fiumicino, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to Rome Fiumicino per day. 5 airlines have flights to Rome Fiumicino from Ontario on a regular basis.

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

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

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

Yes. Cheapflights offers flight deals from Ontario to Leonardo da Vinci/Fiumicino by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$487+ Flights from Ontario to Rome Fiumicino Airport

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1. Tell us where you want to go

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Cheap flight deals from Ontario to Leonardo da Vinci/Fiumicino

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$604 (AirNGo)
One-way from	$518 (United Airlines)
Popular in	December
Cheapest in	February
Average price	$1,288

Provider with most accurate pricing for Ontario-Rome Fiumicino flight deals.

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Provider most trusted by Cheapflights users for Ontario-Rome Fiumicino flights.

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From Ontario to Rome Fiumicino

Search Deals

One-way flight from Ontario to Rome Fiumicino

Search Deals

High demand for flights, 3% potential price rise

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find flight deals from Ontario to Leonardo da Vinci/Fiumicino

Cheapest flights from Ontario to Leonardo da Vinci/Fiumicino
Explore the most affordable flight options available from Ontario to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Tue 12/26:47 amONT - FCO

2 stops17h 13mMultiple Airlines

Wed 12/106:40 pmFCO - ONT

2 stops32h 07mMultiple Airlines

Deal found 4/13

$487

Tue 12/210:59 pmONT - FCO

1 stop23h 56mDelta

Wed 12/1012:45 pmFCO - ONT

1 stop18h 56mDelta

Deal found 4/13

$495

Mon 11/1010:59 pmONT - FCO

1 stop26h 31mKLM

Mon 11/2412:45 pmFCO - ONT

1 stop18h 56mKLM

Deal found 4/14

$542

Wed 12/37:00 amONT - FCO

1 stop15h 45mUnited Airlines

Fri 12/129:45 amFCO - ONT

1 stop21h 41mUnited Airlines

Deal found 4/13

$545

Sun 4/207:00 amONT - FCO

1 stop16h 05mIberia

Tue 5/610:00 amFCO - ONT

1 stop17h 36mIberia

Deal found 4/13

$637

Tue 4/157:00 amONT - FCO

1 stop16h 05mBritish Airways

Tue 4/2210:00 amFCO - ONT

1 stop17h 29mBritish Airways

Deal found 4/14

$662

Sun 4/1311:59 pmONT - FCO

1 stop23h 06mAmerican Airlines

Fri 4/2512:10 pmFCO - ONT

1 stop17h 49mAmerican Airlines

Deal found 4/13

$863

Tue 7/225:05 amONT - FCO

2 stops43h 10mAir Canada

Sun 7/272:30 pmFCO - ONT

2 stops55h 02mAir Canada

Deal found 4/14

$996

Best flights from Ontario to Leonardo da Vinci/Fiumicino
Discover carefully curated flight deals from Ontario to Leonardo da Vinci/Fiumicino that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2025.

Tue 8/127:00 amONT - FCO

1 stop15h 35mKLM

Tue 8/2611:35 amFCO - ONT

1 stop19h 54mKLM

Deal found 4/14

$604

Tue 5/131:45 pmONT - FCO

1 stop14h 55mUnited Airlines

Wed 5/2111:30 amFCO - ONT

2 stops43h 56mUnited Airlines

Deal found 4/14

$616

Mon 4/287:00 amONT - FCO

1 stop15h 35mDelta

Thu 5/89:45 amFCO - ONT

1 stop18h 48mDelta

Deal found 4/12

$639

Wed 8/206:00 amONT - FCO

2 stops18h 15mMultiple Airlines

Thu 9/412:25 pmFCO - ONT

2 stops19h 28mMultiple Airlines

Deal found 4/14

$645

Tue 8/58:15 amONT - FCO

1 stop14h 50mBritish Airways

Thu 8/2110:00 amFCO - ONT

1 stop20h 44mBritish Airways

Deal found 4/13

$667

Sat 4/2612:50 pmONT - FCO

1 stop34h 15mIberia

Thu 5/810:00 amFCO - ONT

1 stop17h 36mIberia

Deal found 4/12

$718

Tue 7/225:05 amONT - FCO

2 stops43h 10mAir Canada

Sun 7/272:30 pmFCO - ONT

2 stops55h 02mAir Canada

Deal found 4/13

$996

Last-minute flights from Ontario to Leonardo da Vinci/Fiumicino
Discover last-minute flight deals from Ontario to Leonardo da Vinci/Fiumicino. Data last updated April 15, 2025 and is based on user searches.

Tue 4/157:00 amONT - FCO

1 stop15h 35mDelta

Fri 4/259:45 amFCO - ONT

1 stop18h 43mDelta

Deal found 4/13

$664

Sat 4/197:00 amONT - FCO

1 stop16h 05mBritish Airways

Thu 5/110:00 amFCO - ONT

1 stop21h 10mBritish Airways

Deal found 4/13

$752

Sun 4/207:00 amONT - FCO

1 stop16h 05mIberia

Tue 5/610:00 amFCO - ONT

1 stop17h 36mIberia

Deal found 4/13

$637

Sun 4/2012:10 amONT - FCO

1 stop46h 45mChina Airlines

Mon 5/511:00 amFCO - ONT

1 stop40h 00mChina Airlines

Deal found 4/14

$8,906

Mon 4/217:00 amONT - FCO

1 stop15h 35mDelta

Thu 5/19:45 amFCO - ONT

1 stop18h 43mDelta

Deal found 4/14

$639

Mon 4/217:00 amONT - FCO

1 stop19h 05mKLM

Mon 5/59:45 amFCO - ONT

1 stop18h 43mKLM

Deal found 4/14

$665

Mon 4/217:00 amONT - FCO

1 stop16h 05mBritish Airways

Thu 5/110:00 amFCO - ONT

1 stop17h 29mBritish Airways

Deal found 4/14

$639

Tue 4/225:00 amONT - FCO

2 stops17h 55mUnited Airlines

Mon 5/1212:50 pmFCO - ONT

2 stops40h 44mUnited Airlines

Deal found 4/14

$667

Tue 4/227:05 amONT - FCO

2 stops18h 10mMultiple Airlines

Wed 5/711:30 amFCO - ONT

2 stops18h 23mMultiple Airlines

Deal found 4/13

$1,234

Wed 4/234:17 pmONT - FCO

2 stops32h 58mAir Canada

Wed 4/3012:25 pmFCO - ONT

2 stops33h 13mAir Canada

Deal found 4/13

$2,468

Mon 4/287:00 amONT - FCO

1 stop15h 35mKLM

Tue 5/1311:35 amFCO - ONT

1 stop19h 54mKLM

Deal found 4/13

$607

Tue 5/131:45 pmONT - FCO

1 stop14h 55mUnited Airlines

Wed 5/2111:30 amFCO - ONT

2 stops43h 56mUnited Airlines

Deal found 4/14

$616

One-way flights from Ontario to Leonardo da Vinci/Fiumicino
Search for one-way flight options from Ontario to Leonardo da Vinci/Fiumicino. Find affordable one-way fares based on user searches. Data last updated April 15, 2025.

Tue 7/151:19 pmONT - FCO

1 stop15h 21mUnited Airlines

Deal found 4/14

$518

Wed 7/1612:00 pmONT - FCO

1 stop15h 15mKLM

Deal found 4/14

$521

Sat 8/96:39 pmONT - FCO

2 stops32h 06mAir Canada

Deal found 4/14

$524

Sat 4/1910:15 pmONT - FCO

1 stop24h 20mDelta

Deal found 4/13

$533

Tue 5/62:44 pmONT - FCO

2 stops20h 11mBritish Airways

Deal found 4/13

$534

Sun 4/207:05 amONT - FCO

2 stops18h 10mMultiple Airlines

Deal found 4/13

$577

Mon 8/412:59 amONT - FCO

1 stop22h 06mAmerican Airlines

Deal found 4/14

$621

Mon 5/52:44 pmONT - FCO

2 stops24h 31mIberia

Deal found 4/12

$648

Sat 7/122:38 pmONT - FCO

2 stops37h 02mWestJet

Deal found 4/13

$2,002

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Rome Fiumicino Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 8/12

7:00 am-7:35 am

1 stop15h 35m

Rome Fiumicino

Tue 8/26

11:35 am-10:29 pm

1 stop19h 54m

$604

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 5/13

1:45 pm-1:40 pm

1 stop14h 55m

Rome Fiumicino

Wed 5/21

11:30 am-10:26 pm

2 stops43h 56m

$616

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 4/28

7:00 am-7:35 am

1 stop15h 35m

Rome Fiumicino

Thu 5/8

9:45 am-7:33 pm

1 stop18h 48m

$639

OntarioRome

ONT - FCO

ONTFCO

Ontario

Wed 8/20

6:00 am-9:15 am

2 stops18h 15m

Rome Fiumicino

Thu 9/4

12:25 pm-10:53 pm

2 stops19h 28m

$645

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 8/5

8:15 am-8:05 am

1 stop14h 50m

Rome Fiumicino

Thu 8/21

10:00 am-9:44 pm

1 stop20h 44m

$667

OntarioRome

ONT - FCO

ONTFCO

Ontario

Sat 4/26

12:50 pm-8:05 am

1 stop34h 15m

Rome Fiumicino

Thu 5/8

10:00 am-6:36 pm

1 stop17h 36m

$718

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 7/22

5:05 am-9:15 am

2 stops43h 10m

Rome Fiumicino

Sun 7/27

2:30 pm-12:32 pm

2 stops55h 02m

$996

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 7/15

1:19 pm-1:40 pm

1 stop15h 21m

$518

OntarioRome

ONT - FCO

ONTFCO

Ontario

Wed 7/16

12:00 pm-12:15 pm

1 stop15h 15m

$521

OntarioRome

ONT - FCO

ONTFCO

Ontario

Sat 8/9

6:39 pm-11:45 am

2 stops32h 06m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 16 results

Compare providers for flights from Ontario to Leonardo da Vinci/Fiumicino

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Leonardo da Vinci/Fiumicino in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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 Ontario-Rome Fiumicino Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Rome Fiumicino Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Rome Fiumicino Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Rome Fiumicino Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Ontario-Rome Fiumicino Airport 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 Ontario to Leonardo da Vinci/Fiumicino

Have a flexible travel schedule? Discover the best time to fly to Leonardo da Vinci/Fiumicino 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 Rome Fiumicino Airport

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Rome Fiumicino Airport (average of $644). Flying from Ontario to Rome Fiumicino Airport in June is currently the most expensive (average of $1,208). 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 ONT to FCO?

Unlike in the morning, when flights are generally more expensive, you can save up to 27% on flights from Ontario to Rome Fiumicino Airport by exploring options for tickets in the afternoon.

Rainfall in Leonardo da Vinci/Fiumicino by month

In terms of precipitation, rainfall in Rome Fiumicino Airport ranges from 0.6 - 4.4 inches per month. November is typically the wettest month, when rainfall can reach 4.4 in. June is typically the driest time to visit Rome Fiumicino Airport when rainfall is around 0.6 in.

Temperature in Leonardo da Vinci/Fiumicino by month

If weather is an important factor for your trip to Rome Fiumicino Airport, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Leonardo da Vinci/Fiumicino

Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from Ontario to Rome to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,917 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,323 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,656 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet

7.2

Good

2,805 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from Ontario to Rome Fiumicino?
For a flight from Ontario to Rome Fiumicino, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to Rome Fiumicino per day. 5 airlines have flights to Rome Fiumicino from Ontario on a regular basis.
What are the cheapest airlines flying from Ontario to Rome Fiumicino Airport round-trip?
Currently priced at $604, KLM will fly you from Ontario to Rome Fiumicino Airport and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $616 and $639, respectively. KLM is priced at 47% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Ontario to Rome Fiumicino Airport one-way?
The cheapest airlines for a one-way flight from Ontario to Rome Fiumicino Airport are United Airlines ($518), KLM ($521), and Air Canada ($524).
Can I find deals for flights from Ontario to Leonardo da Vinci/Fiumicino that include hotel bookings?
Yes. In addition to deals on Ontario to Leonardo da Vinci/Fiumicino flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Leonardo da Vinci/Fiumicino?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Leonardo da Vinci/Fiumicino.
Can I find deals for business class flights from Ontario to Leonardo da Vinci/Fiumicino?
Yes. Cheapflights offers flight deals from Ontario to Leonardo da Vinci/Fiumicino 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 Rome Fiumicino Airport?
Currently, January is the cheapest month in which you can book a flight from Ontario to Rome Fiumicino Airport (average of $644). Flying from Ontario to Rome Fiumicino Airport in June is currently the most expensive (average of $1,208). 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

Fiumicino

Gaeta

Ciampino

Montepulciano

Ponza

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Ontario to Leonardo da Vinci/Fiumicino

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$541	Average$1,126	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$556	Average$1,105	FlexibilityNo cancel fee	On-time69%
KLM	Cheapest$591	Average$1,064	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$859	Average$1,288	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$924	Average$1,118	FlexibilityNo cancel fee	On-time70%

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$487+ Cheap flights from Ontario (ONT) to Fiumicino (FCO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Leonardo da Vinci/Fiumicino with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Leonardo da Vinci/Fiumicino

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Leonardo da Vinci/Fiumicino

Cheapest flights from Ontario to Leonardo da Vinci/FiumicinoExplore the most affordable flight options available from Ontario to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Explore the most affordable flight options available from Ontario to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Rome Fiumicino Airport that are best for you.

Compare providers for flights from Ontario to Leonardo da Vinci/Fiumicino

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 Ontario to Leonardo da Vinci/Fiumicino in April.

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

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

Cheapflights Insights

Everything you need to know about your flight from Ontario to Rome Fiumicino Airport

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

What is the cheapest time of day to fly from ONT to FCO?

Find hourly flight availability from Ontario to Leonardo da Vinci/Fiumicino. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

Rainfall in Leonardo da Vinci/Fiumicino by month

Plan your trip to Leonardo da Vinci/Fiumicino by taking into account the average rainfall totals by month.

Temperature in Leonardo da Vinci/Fiumicino by month

Plan your trip to Leonardo da Vinci/Fiumicino by taking into account the average temperature totals by month.

Reviews of airlines servicing Leonardo da Vinci/Fiumicino

Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from Ontario to Rome to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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

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

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

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Alternative routes for Ontario to Leonardo da Vinci/Fiumicino

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Top 5 airlines flying from Ontario to Leonardo da Vinci/Fiumicino

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Cheapest flights from Ontario to Leonardo da Vinci/Fiumicino
Explore the most affordable flight options available from Ontario to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.