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 35% 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?

Iberia, American Airlines, and British Airways 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.

$394 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

Round-trip

One-way

Last minute

Cheap round-trip flights

1:35 pm - 10:57 pmFCO-ONT

18h 22m2 stops

1:00 pm - 8:30 amONT-FCO

34h 30m2 stops

$649United Airlines

Find Deal

Fri, Feb 27 - Tue, Mar 3

1:35 pm - 11:59 pmFCO-ONT

19h 24m2 stops

4:49 pm - 7:00 pmONT-FCO

17h 11m2 stops

$655American Airlines

Find Deal

Thu, Sep 25 - Sat, Oct 11

11:35 am - 10:23 pmFCO-ONT

19h 48m1 stop

10:47 am - 10:45 amONT-FCO

14h 58m1 stop

$656

Find Deal

Thu, Nov 6 - Thu, Nov 13

3:40 pm - 10:52 pmFCO-ONT

16h 12m1 stop

7:00 am - 7:45 amONT-FCO

15h 45m1 stop

$665United Airlines

Find Deal

Wed, Oct 1 - Wed, Nov 5

12:10 pm - 9:11 pmFCO-ONT

18h 01m1 stop

11:59 pm - 8:05 amONT-FCO

23h 06m1 stop

$668British Airways

Find Deal

Thu, Sep 25 - Sat, Oct 11

12:10 pm - 9:11 pmFCO-ONT

18h 01m1 stop

2:51 pm - 7:00 pmONT-FCO

19h 09m2 stops

$697British Airways

Find Deal

Thu, Sep 25 - Sat, Oct 11

12:10 pm - 9:36 pmFCO-ONT

18h 26m1 stop

11:59 pm - 8:05 amONT-FCO

23h 06m1 stop

$709British Airways

Find Deal

Wed, Oct 8 - Sat, Oct 11

1:00 pm - 11:46 pmFCO-ONT

19h 46m1 stop

10:50 am - 10:35 amONT-FCO

14h 45m1 stop

$758

Find Deal

Wed, Dec 24 - Wed, Dec 31

11:35 am - 10:23 pmFCO-ONT

19h 48m1 stop

10:00 pm - 7:55 amONT-FCO

24h 55m1 stop

$800Delta

Find Deal

Tue, Sep 30 - Thu, Nov 6

8:30 pm - 4:19 pmFCO-ONT

28h 49m2 stops

10:30 pm - 10:30 amONT-FCO

27h 00m1 stop

$888KLM

Find Deal

Fri, Feb 27 - Tue, Mar 3

British Airways flights from Rome Fiumicino Airport to Ontario

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

British Airways

Sep 22

FCO10:00 amRome Fiumicino

17h 54m

1 stop

ONT6:54 pmOntario

Oct 7

ONT8:15 amOntario

14h 50m

1 stop

FCO8:05 amRome Fiumicino

$668

Find similar

British Airways

Sep 25

FCO12:10 pmRome Fiumicino

18h 01m

1 stop

ONT9:11 pmOntario

Oct 11

ONT2:51 pmOntario

19h 09m

2 stops

FCO7:00 pmRome Fiumicino

$697

Find similar

British Airways

Sep 21

FCO12:10 pmRome Fiumicino

18h 01m

1 stop

ONT9:11 pmOntario

Sep 28

ONT11:59 pmOntario

23h 06m

1 stop

FCO8:05 amRome Fiumicino

$707

Find similar

United Airlines flights from Rome Fiumicino Airport to Ontario

Our best United Airlines deals on Rome Fiumicino Airport to Ontario flight tickets

United Airlines

Feb 27

FCO1:35 pmRome Fiumicino

18h 22m

2 stops

ONT10:57 pmOntario

Mar 3

ONT1:00 pmOntario

34h 30m

2 stops

FCO8:30 amRome Fiumicino

$649

Find similar

United Airlines

Oct 1

FCO3:40 pmRome Fiumicino

16h 12m

1 stop

ONT10:52 pmOntario

Nov 5

ONT7:00 amOntario

15h 45m

1 stop

FCO7:45 amRome Fiumicino

$665

Find similar

United Airlines

Oct 15

FCO3:40 pmRome Fiumicino

16h 12m

1 stop

ONT10:52 pmOntario

Jan 9

ONT5:05 amOntario

19h 20m

2 stops

FCO9:25 amRome Fiumicino

$712

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

Fri 2/27

1:35 pm-10:57 pm

2 stops18h 22m

Ontario

Tue 3/3

1:00 pm-8:30 am

2 stops34h 30m

$649

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 9/25

1:35 pm-11:59 pm

2 stops19h 24m

Ontario

Sat 10/11

4:49 pm-7:00 pm

2 stops17h 11m

$655

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 11/6

11:35 am-10:23 pm

1 stop19h 48m

Ontario

Thu 11/13

10:47 am-10:45 am

1 stop14h 58m

$656

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Wed 10/1

3:40 pm-10:52 pm

1 stop16h 12m

Ontario

Wed 11/5

7:00 am-7:45 am

1 stop15h 45m

$665

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 9/25

12:10 pm-9:11 pm

1 stop18h 01m

Ontario

Sat 10/11

11:59 pm-8:05 am

1 stop23h 06m

$668

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 9/25

12:10 pm-9:11 pm

1 stop18h 01m

Ontario

Sat 10/11

2:51 pm-7:00 pm

2 stops19h 09m

$697

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Wed 10/8

12:10 pm-9:36 pm

1 stop18h 26m

Ontario

Sat 10/11

11:59 pm-8:05 am

1 stop23h 06m

$709

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Wed 12/24

1:00 pm-11:46 pm

1 stop19h 46m

Ontario

Wed 12/31

10:50 am-10:35 am

1 stop14h 45m

$758

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Tue 9/30

11:35 am-10:23 pm

1 stop19h 48m

Ontario

Thu 11/6

10:00 pm-7:55 am

1 stop24h 55m

$800

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Fri 2/27

8:30 pm-4:19 pm

2 stops28h 49m

Ontario

Tue 3/3

10:30 pm-10:30 am

1 stop27h 00m

$888

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 15h 04m.
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.