What airlines fly to Ontario?

ITA Airways, Norse Atlantic Airways and British Airways are the top three most popular airlines that fly to Ontario from Rome Fiumicino Airport according to our data. ITA Airways is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 5 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

British Airways, American Airlines, and Iberia are the most popular carriers operating from Rome Fiumicino to Ontario

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

Prices for flights from Rome Fiumicino Airport to Ontario Airport are refreshed on a daily basis.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rome Fiumicino Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$312 Cheap Flights from Rome Fiumicino Airport to Ontario in 2025/26

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Find the cheapest flights from Rome Fiumicino Airport to Los Angeles

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:05 am - 10:51 pmFCO-ONT

24h 46m2 stops

5:05 am - 7:55 amONT-FCO

17h 50m2 stops

$626United Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

1:35 pm - 10:31 pmFCO-ONT

41h 56m2 stops

7:00 am - 7:45 amONT-FCO

15h 45m1 stop

$627United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

11:00 am - 10:23 pmFCO-ONT

20h 23m1 stop

10:47 am - 10:45 amONT-FCO

14h 58m1 stop

$644Multiple Airlines

Find Deal

Fri, Nov 21 - Fri, Dec 5

11:35 am - 11:43 pmFCO-ONT

20h 08m1 stop

10:57 am - 12:05 pmONT-FCO

16h 08m1 stop

$655British Airways

Find Deal

Thu, Mar 12 - Tue, Mar 31

11:35 am - 10:02 pmFCO-ONT

18h 27m1 stop

10:57 am - 10:35 amONT-FCO

15h 38m1 stop

$657Multiple Airlines

Find Deal

Thu, Mar 12 - Sun, Mar 22

1:10 pm - 8:53 amFCO-ONT

28h 43m2 stops

10:34 pm - 2:55 pmONT-FCO

31h 21m2 stops

$660American Airlines

Find Deal

Fri, Dec 5 - Mon, Dec 8

12:20 pm - 10:51 pmFCO-ONT

43h 31m2 stops

6:15 am - 9:00 amONT-FCO

17h 45m2 stops

$667American Airlines

Find Deal

Fri, Feb 27 - Tue, Mar 3

10:30 pm - 10:02 pmFCO-ONT

31h 32m2 stops

3:05 pm - 6:15 pmONT-FCO

18h 10m2 stops

$670Iberia

Find Deal

Tue, Mar 24 - Sat, Apr 11

1:10 pm - 10:28 pmFCO-ONT

18h 18m1 stop

3:04 pm - 10:45 amONT-FCO

34h 41m1 stop

$694British Airways

Find Deal

Sat, Dec 6 - Tue, Dec 9

11:35 am - 10:02 pmFCO-ONT

18h 27m1 stop

3:05 pm - 6:15 pmONT-FCO

18h 10m2 stops

$705Iberia

Find Deal

Thu, Mar 26 - Sat, Apr 11

British Airways flights from Rome Fiumicino Airport to Ontario

Our best British Airways deals on Rome Fiumicino Airport to Ontario flight tickets

British Airways

Mar 12

FCO11:35 amRome Fiumicino

20h 08m

1 stop

ONT11:43 pmOntario

Mar 31

ONT10:57 amOntario

16h 08m

1 stop

FCO12:05 pmRome Fiumicino

$655

Find similar

British Airways

Dec 6

FCO1:10 pmRome Fiumicino

18h 18m

1 stop

ONT10:28 pmOntario

Dec 9

ONT3:04 pmOntario

34h 41m

1 stop

FCO10:45 amRome Fiumicino

$694

Find similar

British Airways

Nov 14

FCO8:00 pmRome Fiumicino

31h 21m

2 stops

ONT6:21 pmOntario

Nov 28

ONT2:59 pmOntario

16h 56m

2 stops

FCO4:55 pmRome Fiumicino

$759

Find similar

Delta flights from Rome Fiumicino Airport to Ontario

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

Delta

Nov 15

FCO12:40 pmRome Fiumicino

18h 26m

1 stop

ONT10:06 pmOntario

Nov 19

ONT7:05 amOntario

17h 05m

2 stops

FCO9:10 amRome Fiumicino

$790

Find similar

Delta

Feb 27

FCO12:40 pmRome Fiumicino

31h 58m

1 stop

ONT11:38 amOntario

Mar 3

ONT10:30 pmOntario

28h 15m

2 stops

FCO11:45 amRome Fiumicino

$796

Find similar

Delta

Feb 27

FCO12:40 pmRome Fiumicino

31h 58m

1 stop

ONT11:38 amOntario

Mar 3

ONT1:00 pmOntario

21h 45m

2 stops

FCO7:45 pmRome Fiumicino

$798

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 11/13

7:05 am-10:51 pm

2 stops24h 46m

Ontario

Mon 11/17

5:05 am-7:55 am

2 stops17h 50m

$626

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Fri 11/14

1:35 pm-10:31 pm

2 stops41h 56m

Ontario

Tue 11/18

7:00 am-7:45 am

1 stop15h 45m

$627

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Fri 11/21

11:00 am-10:23 pm

1 stop20h 23m

Ontario

Fri 12/5

10:47 am-10:45 am

1 stop14h 58m

$644

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 3/12

11:35 am-11:43 pm

1 stop20h 08m

Ontario

Tue 3/31

10:57 am-12:05 pm

1 stop16h 08m

$655

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 3/12

11:35 am-10:02 pm

1 stop18h 27m

Ontario

Sun 3/22

10:57 am-10:35 am

1 stop15h 38m

$657

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Fri 12/5

1:10 pm-8:53 am

2 stops28h 43m

Ontario

Mon 12/8

10:34 pm-2:55 pm

2 stops31h 21m

$660

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Fri 2/27

12:20 pm-10:51 pm

2 stops43h 31m

Ontario

Tue 3/3

6:15 am-9:00 am

2 stops17h 45m

$667

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Tue 3/24

10:30 pm-10:02 pm

2 stops31h 32m

Ontario

Sat 4/11

3:05 pm-6:15 pm

2 stops18h 10m

$670

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Sat 12/6

1:10 pm-10:28 pm

1 stop18h 18m

Ontario

Tue 12/9

3:04 pm-10:45 am

1 stop34h 41m

$694

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 3/26

11:35 am-10:02 pm

1 stop18h 27m

Ontario

Sat 4/11

3:05 pm-6:15 pm

2 stops18h 10m

$705

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 Rome Fiumicino Airport to Ontario

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 cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $769. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Rome Fiumicino Airport to Ontario for around $800.

What is the cheapest time of day to depart on your flight to Ontario?

In the morning is the cheapest time of day to fly from Rome Fiumicino Airport to Ontario when you can find flight prices for as low as $777. Flying to Ontario in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $827 on average. Flights to Ontario from Rome Fiumicino Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Rome Fiumicino Airport to Ontario

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

Estimated round-trip price

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

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

Direct flights	None

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

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How far is Rome Fiumicino to Ontario by plane?
There are 6304.8 mi between Rome Fiumicino and Ontario. By plane, this route typically takes 17h 23m.
When did momondo last update prices for flights from Rome Fiumicino Airport to Ontario Airport?
Prices for flights from Rome Fiumicino Airport to Ontario Airport are refreshed on a daily basis.
How old do you have to be to fly from Rome Fiumicino Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rome Fiumicino Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

It is quick and easy to find Rome to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

Yes. momondo enables you to select and highlight flights to Ontario from Rome with this policy.

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

momondo provides multiple filters to help you find the best flight to Ontario from Rome. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Rome to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.