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

Currently priced at $495, Delta will fly you from Ontario to Rome Fiumicino Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and United Airlines - these airlines can fly you to your destination from $503 and $505, respectively. Delta is priced at 56% 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 British Airways ($439), Iberia ($444), and United Airlines ($454).

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 56 days early can save you up to 12% on average compared to booking a flight this week. If booking 56 days before your flight isn’t an option for you, users have found flights from Ontario to Rome Fiumicino Airport for as little as $790 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 $796 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 $809 per person but you can even find prices for as low as $496. The most expensive prices can be found in the month of June. Opting for a February flight can save you 33% 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Rome Fiumicino Airport flight deals on Cheapflights vs. AranGrant >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 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 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.

$300+ 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	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$495 (Delta)
One-way from	$300 (Trip.com)
Popular in	December
Cheapest in	February
Average price	$1,419

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

Search Deals

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, 2% potential price rise

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 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 May 12, 2025.

Sun 6/810:05 pmONT - FCO

1 stop24h 30mDelta

Thu 6/269:45 amFCO - ONT

1 stop21h 40mDelta

Deal found 5/11

$495

Tue 8/128:15 amONT - FCO

1 stop14h 50mBritish Airways

Tue 8/2610:00 amFCO - ONT

1 stop17h 24mBritish Airways

Deal found 5/11

$503

Mon 10/201:35 pmONT - FCO

1 stop14h 45mUnited Airlines

Tue 11/49:45 amFCO - ONT

1 stop21h 41mUnited Airlines

Deal found 5/11

$505

Wed 11/128:46 amONT - FCO

2 stops24h 09mMultiple Airlines

Wed 11/191:10 pmFCO - ONT

2 stops19h 35mMultiple Airlines

Deal found 5/12

$507

Wed 11/126:00 amONT - FCO

2 stops17h 40mAir France

Wed 11/1910:15 amFCO - ONT

1 stop21h 26mAir France

Deal found 5/12

$509

Mon 8/112:31 pmONT - FCO

2 stops24h 44mIberia

Thu 9/1110:00 amFCO - ONT

1 stop20h 56mIberia

Deal found 5/12

$528

Mon 12/17:00 amONT - FCO

1 stop15h 55mKLM

Mon 12/812:45 pmFCO - ONT

1 stop18h 56mKLM

Deal found 5/11

$655

Fri 5/305:10 amONT - FCO

2 stops44h 05mAir Canada

Tue 6/1012:25 pmFCO - ONT

2 stops38h 00mAir Canada

Deal found 5/10

$715

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 May 12, 2025.

Sun 6/810:05 pmONT - FCO

1 stop24h 30mDelta

Thu 6/269:45 amFCO - ONT

1 stop21h 40mDelta

Deal found 5/11

$495

Tue 8/128:15 amONT - FCO

1 stop14h 50mBritish Airways

Tue 8/2610:00 amFCO - ONT

1 stop17h 24mBritish Airways

Deal found 5/11

$503

Mon 10/201:35 pmONT - FCO

1 stop14h 45mUnited Airlines

Tue 11/49:45 amFCO - ONT

1 stop21h 41mUnited Airlines

Deal found 5/11

$505

Sun 8/108:37 amONT - FCO

2 stops17h 53mMultiple Airlines

Thu 9/1112:00 pmFCO - ONT

2 stops20h 36mMultiple Airlines

Deal found 5/12

$527

Mon 8/112:31 pmONT - FCO

2 stops24h 44mIberia

Thu 9/1110:00 amFCO - ONT

1 stop20h 56mIberia

Deal found 5/12

$528

Tue 5/277:05 amONT - FCO

1 stop15h 30mKLM

Tue 6/176:30 amFCO - ONT

2 stops19h 40mKLM

Deal found 5/12

$570

Fri 5/305:10 amONT - FCO

2 stops44h 05mAir Canada

Tue 6/1012:25 pmFCO - ONT

2 stops38h 00mAir Canada

Deal found 5/10

$715

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 May 12, 2025 and is based on user searches.

Mon 5/194:35 pmONT - FCO

2 stops18h 30mBritish Airways

Thu 5/2910:00 amFCO - ONT

1 stop20h 58mBritish Airways

Deal found 5/11

$519

Mon 5/195:05 amONT - FCO

1 stop22h 15mUnited Airlines

Thu 5/2911:30 amFCO - ONT

2 stops43h 56mUnited Airlines

Deal found 5/12

$542

Mon 5/195:05 amONT - FCO

1 stop22h 15mMultiple Airlines

Mon 6/23:40 pmFCO - ONT

1 stop16h 05mMultiple Airlines

Deal found 5/12

$1,048

Mon 5/197:05 amONT - FCO

1 stop19h 00mKLM

Sun 5/259:45 amFCO - ONT

1 stop18h 48mKLM

Deal found 5/11

$1,284

Thu 5/227:05 amONT - FCO

1 stop15h 30mDelta

Tue 6/39:45 amFCO - ONT

1 stop21h 44mDelta

Deal found 5/10

$1,167

Mon 5/267:05 amONT - FCO

2 stops17h 15mKLM

Tue 10/76:30 amFCO - ONT

2 stops19h 47mKLM

Deal found 5/12

$574

Mon 5/267:00 amONT - FCO

2 stops17h 15mMultiple Airlines

Mon 6/911:30 amFCO - ONT

2 stops18h 34mMultiple Airlines

Deal found 5/12

$697

Tue 5/2710:53 amONT - FCO

2 stops18h 02mIberia

Sat 6/710:00 amFCO - ONT

1 stop22h 02mIberia

Deal found 5/10

$881

Fri 5/305:10 amONT - FCO

2 stops44h 05mAir Canada

Tue 6/1012:25 pmFCO - ONT

2 stops38h 00mAir Canada

Deal found 5/10

$715

Sun 6/810:05 pmONT - FCO

1 stop24h 30mDelta

Thu 6/269:45 amFCO - ONT

1 stop21h 40mDelta

Deal found 5/11

$495

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 May 12, 2025.

Fri 7/1110:03 amONT - FCO

2 stops19h 32mMultiple Airlines

Deal found 5/11

$300

Mon 7/711:59 pmONT - FCO

1 stop23h 06mBritish Airways

Deal found 5/12

$439

Wed 7/98:15 amONT - FCO

1 stop14h 50mIberia

Deal found 5/10

$444

Thu 10/166:38 pmONT - FCO

2 stops29h 37mUnited Airlines

Deal found 5/11

$454

Sun 9/287:00 amONT - FCO

1 stop15h 35mKLM

Deal found 5/10

$466

Sun 9/285:10 amONT - FCO

2 stops21h 35mAir Canada

Deal found 5/10

$473

Sat 7/511:59 pmONT - FCO

2 stops33h 21mTurkish Airlines

Deal found 5/11

$520

Mon 6/1610:05 pmONT - FCO

1 stop28h 00mDelta

Deal found 5/11

$611

Wed 6/116:23 amONT - FCO

2 stops16h 42mAmerican Airlines

Deal found 5/11

$1,183

Wed 7/162:30 pmONT - FCO

2 stops37h 10mWestJet

Deal found 5/12

$1,995

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

Sun 6/8

10:05 pm-7:35 am

1 stop24h 30m

Rome Fiumicino

Thu 6/26

9:45 am-10:25 pm

1 stop21h 40m

$495

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 8/12

8:15 am-8:05 am

1 stop14h 50m

Rome Fiumicino

Tue 8/26

10:00 am-6:24 pm

1 stop17h 24m

$503

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 10/20

1:35 pm-1:20 pm

1 stop14h 45m

Rome Fiumicino

Tue 11/4

9:45 am-10:26 pm

1 stop21h 41m

$505

OntarioRome

ONT - FCO

ONTFCO

Ontario

Sun 8/10

8:37 am-11:30 am

2 stops17h 53m

Rome Fiumicino

Thu 9/11

12:00 pm-11:36 pm

2 stops20h 36m

$527

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 8/11

2:31 pm-12:15 am

2 stops24h 44m

Rome Fiumicino

Thu 9/11

10:00 am-9:56 pm

1 stop20h 56m

$528

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 5/26

7:05 am-9:20 am

2 stops17h 15m

Rome Fiumicino

Tue 10/7

6:30 am-5:17 pm

2 stops19h 47m

$574

OntarioRome

ONT - FCO

ONTFCO

Ontario

Fri 5/30

5:10 am-10:15 am

2 stops44h 05m

Rome Fiumicino

Tue 6/10

12:25 pm-5:25 pm

2 stops38h 00m

$715

OntarioRome

ONT - FCO

ONTFCO

Ontario

Fri 7/11

10:03 am-2:35 pm

2 stops19h 32m

$300

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 7/7

11:59 pm-8:05 am

1 stop23h 06m

$439

OntarioRome

ONT - FCO

ONTFCO

Ontario

Wed 7/9

8:15 am-8:05 am

1 stop14h 50m

$444

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 17 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 May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Rome Fiumicino Airport flight deals on Cheapflights vs. AranGrant >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 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 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 $1,176). 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

7,950 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

7,950 reviews

Delta

8.0

Very good

7,950 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

1,342 reviews

Delta

8.0

Very good

7,950 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

8,724 reviews

Delta

8.0

Very good

7,950 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.

Turkish Airlines

7.3

Good

3,795 reviews

Delta

8.0

Very good

7,950 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

7,950 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 $495, Delta will fly you from Ontario to Rome Fiumicino Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and United Airlines - these airlines can fly you to your destination from $503 and $505, respectively. Delta is priced at 56% 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 British Airways ($439), Iberia ($444), and United Airlines ($454).
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 $1,176). 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

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$574	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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$300+ Cheap flights from Ontario (ONT) to Fiumicino (FCO)

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 7/11. 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 May 12, 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 May 12, 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 May.

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 May 12, 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 May 12, 2025.