What airlines fly to Rome Fiumicino Airport?

ITA Airways, Norse Atlantic Airways and United Airlines are the top three most popular airlines that fly to Rome Fiumicino Airport from Ontario according to our data. ITA Airways is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Rome Fiumicino Airport. Keep in mind that there are 19 different airlines that fly to Rome Fiumicino Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Rome Fiumicino?

KLM, United Airlines, and Delta are the most popular carriers operating from Ontario to Rome Fiumicino

When did momondo last update prices for flights from Ontario Airport to Rome Fiumicino Airport?

Prices for flights from Ontario Airport to Rome Fiumicino Airport are updated daily.

How many operators does momondo search for flights from Ontario Airport to Rome Fiumicino Airport?

As of April 2026, there are 3 operators available to choose from for flights from Ontario Airport to Rome Fiumicino Airport.

How old do you have to be to fly from Ontario Airport to Rome Fiumicino Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Rome Fiumicino Airport.

What documentation or ID do you need to fly to Rome Fiumicino Airport?

The travel and health documents required for your trip to Rome Fiumicino Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Rome Fiumicino Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$336 Cheap Flights from Ontario to Rome Fiumicino Airport in 2026

Q: What is the typical price of a round-trip flight between Ontario and Rome Fiumicino Airport?

Prices are currently low for flights on this route. Typical prices usually range from $1,209 to $621. The lowest price recently found on this route was $711.

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Find the cheapest flights from Ontario to Rome

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 9:15 am

ONT

FCO

19h 15m

2 stops

11:30 am - 8:52 pm

FCO

ONT

42h 22m

2 stops

$711Air Canada

Tue, Jul 28 - Wed, Aug 26

1:18 pm - 11:45 am

ONT

FCO

37h 27m

2 stops

11:30 am - 8:52 pm

FCO

ONT

42h 22m

2 stops

$717Air Canada

Mon, Aug 17 - Wed, Aug 26

1:18 pm - 12:20 pm

ONT

FCO

14h 02m

1 stop

2:20 pm - 8:52 pm

FCO

ONT

15h 32m

1 stop

$720United Airlines

Mon, Aug 3 - Thu, Aug 27

5:34 am - 12:05 pm

ONT

FCO

21h 31m

1 stop

1:30 pm - 10:04 pm

FCO

ONT

17h 34m

1 stop

$723British Airways

Sun, Jul 26 - Thu, Aug 20

12:35 pm - 4:25 pm

ONT

FCO

18h 50m

2 stops

1:10 pm - 9:12 pm

FCO

ONT

17h 02m

1 stop

$726British Airways

Tue, Jul 28 - Thu, Aug 27

1:44 pm - 1:40 pm

ONT

FCO

14h 56m

1 stop

3:40 pm - 10:58 pm

FCO

ONT

16h 18m

1 stop

$728United Airlines

Mon, Aug 17 - Wed, Aug 26

2:43 pm - 12:05 pm

ONT

FCO

36h 22m

1 stop

1:10 pm - 10:58 pm

FCO

ONT

18h 48m

1 stop

$729British Airways

Sat, Aug 15 - Fri, Aug 28

1:18 pm - 9:15 am

ONT

FCO

34h 57m

2 stops

12:25 pm - 8:52 pm

FCO

ONT

41h 27m

2 stops

$731Air Canada

Tue, Jul 28 - Thu, Aug 27

9:40 am - 11:00 am

ONT

FCO

16h 20m

2 stops

6:30 am - 4:14 pm

FCO

ONT

18h 44m

2 stops

$732Multiple Airlines

Sun, Aug 9 - Fri, Aug 21

5:34 am - 12:05 pm

ONT

FCO

21h 31m

1 stop

7:20 am - 9:12 pm

FCO

ONT

22h 52m

2 stops

$748British Airways

Sun, Jul 26 - Thu, Aug 20

Delta flights from Ontario to Rome Fiumicino Airport

Our best Delta deals on Ontario to Rome Fiumicino Airport flight tickets

Delta

Sep 13

ONT12:00 pmOntario

19h 35m

2 stops

FCO4:35 pmRome Fiumicino

Oct 6

FCO6:30 amRome Fiumicino

24h 44m

2 stops

ONT10:14 pmOntario

$792

Delta

Aug 23

ONT11:55 amOntario

22h 10m

2 stops

FCO7:05 pmRome Fiumicino

Sep 9

FCO10:10 amRome Fiumicino

33h 54m

2 stops

ONT11:04 amOntario

$797

Delta

Aug 22

ONT12:00 pmOntario

37h 05m

2 stops

FCO10:05 amRome Fiumicino

Sep 7

FCO10:00 amRome Fiumicino

40h 16m

2 stops

ONT5:16 pmOntario

$813

KLM flights from Ontario to Rome Fiumicino Airport

Our best KLM deals on Ontario to Rome Fiumicino Airport flight tickets

KLM

May 3

ONT7:05 amOntario

15h 30m

1 stop

FCO7:35 amRome Fiumicino

May 19

FCO9:45 amRome Fiumicino

17h 51m

1 stop

ONT6:36 pmOntario

$762

KLM

Aug 1

ONT7:05 amOntario

15h 30m

1 stop

FCO7:35 amRome Fiumicino

Aug 28

FCO9:45 amRome Fiumicino

17h 16m

1 stop

ONT6:01 pmOntario

$771

KLM

Aug 18

ONT7:00 amOntario

15h 35m

1 stop

FCO7:35 amRome Fiumicino

Aug 31

FCO9:45 amRome Fiumicino

17h 16m

1 stop

ONT6:01 pmOntario

$778

momondo 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

Cheapest round-trip

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 7/28

5:00 am-9:15 am

2 stops19h 15m

Rome Fiumicino

Wed 8/26

11:30 am-8:52 pm

2 stops42h 22m

$711

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 8/17

1:18 pm-11:45 am

2 stops37h 27m

Rome Fiumicino

Wed 8/26

11:30 am-8:52 pm

2 stops42h 22m

$717

Quickest round-trip

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 8/3

1:18 pm-12:20 pm

1 stop14h 02m

Rome Fiumicino

Thu 8/27

2:20 pm-8:52 pm

1 stop15h 32m

$720

OntarioRome

ONT - FCO

ONTFCO

Ontario

Sun 7/26

5:34 am-12:05 pm

1 stop21h 31m

Rome Fiumicino

Thu 8/20

1:30 pm-10:04 pm

1 stop17h 34m

$723

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 7/28

12:35 pm-4:25 pm

2 stops18h 50m

Rome Fiumicino

Thu 8/27

1:10 pm-9:12 pm

1 stop17h 02m

$726

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 8/17

1:44 pm-1:40 pm

1 stop14h 56m

Rome Fiumicino

Wed 8/26

3:40 pm-10:58 pm

1 stop16h 18m

$728

OntarioRome

ONT - FCO

ONTFCO

Ontario

Sat 8/15

2:43 pm-12:05 pm

1 stop36h 22m

Rome Fiumicino

Fri 8/28

1:10 pm-10:58 pm

1 stop18h 48m

$729

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 7/28

1:18 pm-9:15 am

2 stops34h 57m

Rome Fiumicino

Thu 8/27

12:25 pm-8:52 pm

2 stops41h 27m

$731

OntarioRome

ONT - FCO

ONTFCO

Ontario

Sun 8/9

9:40 am-11:00 am

2 stops16h 20m

Rome Fiumicino

Fri 8/21

6:30 am-4:14 pm

2 stops18h 44m

$732

OntarioRome

ONT - FCO

ONTFCO

Ontario

Sun 7/26

5:34 am-12:05 pm

1 stop21h 31m

Rome Fiumicino

Thu 8/20

7:20 am-9:12 pm

2 stops22h 52m

$748

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Rome Fiumicino Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Ontario and Rome Fiumicino Airport?

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

The cheapest month to fly to Rome Fiumicino Airport from Ontario is in February. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Rome Fiumicino Airport during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $508.

What is the cheapest day to depart on your flight to Rome Fiumicino Airport?

Our data shows that Monday is the least expensive day to fly to Rome Fiumicino Airport. Tickets to fly out on this day can be as low as $693. The most expensive day to fly to Rome Fiumicino Airport is Sunday, with ticket prices averaging around $796.

What is the cheapest time of day to depart on your flight to Rome Fiumicino Airport?

According to our data, the cheapest time of day to fly to Rome Fiumicino Airport is at noon. momondo users have found flights departing from Ontario to Rome Fiumicino Airport at noon for as low as $583. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $784.

Can stopping save me money on Ontario to Rome Fiumicino Airport flights?

You could potentially save up to 52% on your flight if you consider stops on a Ontario to Rome Fiumicino Airport flight.

When to book flights from Ontario to Rome Fiumicino Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Rome Fiumicino Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Rome Fiumicino Airport (ONT to FCO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Rome Fiumicino Airport

Fastest flight time	14h 02m
Direct flights	None

The fastest flight from Ontario to Rome Fiumicino Airport takes 14h 02m

There are no direct flights from Ontario to Rome Fiumicino Airport. There are no popular flight routes from Ontario to Rome Fiumicino Airport.

Search flight deals

Frequently asked questions about flying from Ontario to Rome Fiumicino Airport

How far is Ontario to Rome Fiumicino by plane?
A flight from Ontario to Rome Fiumicino will travel around 6304.8 mi. A reasonable flight in good conditions will take 14h 02m.
When did momondo last update prices for flights from Ontario Airport to Rome Fiumicino Airport?
Prices for flights from Ontario Airport to Rome Fiumicino Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Rome Fiumicino Airport?
As of April 2026, there are 3 operators available to choose from for flights from Ontario Airport to Rome Fiumicino Airport.
How old do you have to be to fly from Ontario Airport to Rome Fiumicino Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Rome Fiumicino Airport.
What documentation or ID do you need to fly to Rome Fiumicino Airport?
The travel and health documents required for your trip to Rome Fiumicino Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Rome Fiumicino Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ontario to Rome Fiumicino Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Rome Fiumicino Airport is United Airlines (66% of total bookings). The next most popular airlines are Delta (17%) and British Airways (16%).

Best airlines flying from Ontario to Rome Fiumicino Airport

Compare and see reviews for airlines that fly from Ontario to Rome Fiumicino Airport with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $475	Free Cancellation	Rating 7.9 8,468 reviews	Search Delta flights
British Airways	PriceFrom $487	Free Cancellation	Rating 6.7 7,934 reviews	Search British Airways flights
United Airlines	PriceFrom $508	Free Cancellation	Rating 7.4 9,680 reviews	Search United Airlines flights

Fiumicino

Civitavecchia

Cassino

Gaeta

Orvieto

Montepulciano

Ponza

Pienza

Chianciano Terme

Ciampino

Sperlonga

Terracina

Tivoli

Ladispoli

Santa Marinella

Grosseto

Orbetello

Saturnia

Vatican

Ascoli Piceno

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Rome?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Rome for you.

Can I find flights from Ontario to Rome with flexible booking policies on momondo?

momondo does allow users to show only those flights to Rome from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Rome?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Rome.

I’m not ready to book a flight from Ontario to Rome right now. Can momondo alert me if prices change?

Price alerts on flights to Rome from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Ontario to Rome from $336

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Rome departing on 7/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Ontario to Rome Fiumicino Airport

Our best Delta deals on Ontario to Rome Fiumicino Airport flight tickets

KLM flights from Ontario to Rome Fiumicino Airport

Our best KLM deals on Ontario to Rome Fiumicino Airport flight tickets

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

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How to get the cheapest flight ticket from Ontario to Rome Fiumicino Airport

What is the typical price of a round-trip flight between Ontario and Rome Fiumicino Airport?

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

What is the cheapest day to depart on your flight to Rome Fiumicino Airport?

What is the cheapest time of day to depart on your flight to Rome Fiumicino Airport?

Can stopping save me money on Ontario to Rome Fiumicino Airport flights?

What is the cheapest airline that flies from Ontario to Rome Fiumicino?

What airlines fly to Rome Fiumicino Airport?

When to book flights from Ontario to Rome Fiumicino Airport

Cheap Ontario to Rome Fiumicino Airport (ONT to FCO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Rome Fiumicino Airport

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario to Rome Fiumicino Airport

Best airlines flying from Ontario to Rome Fiumicino Airport

Compare and see reviews for airlines that fly from Ontario to Rome Fiumicino Airport with momondo

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An easier way to manage your Rome Fiumicino Airport trip

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