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 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 7 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 to Ontario?

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

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

Prices for flights from Rome to Ontario Airport refresh daily.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rome to Ontario Airport.

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

The travel and health documents required for your trip to Ontario 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 Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$347 Cheap Flights from Rome to Ontario (ROM-ONT) in 2025

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Find the cheapest flights from Rome to Los Angeles (ROM-ONT)

Round-trip

One-way

Last minute

Cheap round-trip flights

7:10 am - 5:29 pmFCO-ONT

19h 19m2 stops

1:15 pm - 12:20 pmONT-FCO

14h 05m1 stop

$594United Airlines

Find Deal

Fri, Aug 29 - Sat, Sep 6

1:20 pm - 12:13 pmFCO-ONT

31h 53m2 stops

5:10 am - 12:20 pmONT-FCO

22h 10m1 stop

$602United Airlines

Find Deal

Thu, Aug 28 - Mon, Sep 1

1:20 pm - 12:13 pmFCO-ONT

31h 53m2 stops

6:38 pm - 9:55 pmONT-FCO

42h 17m2 stops

$604United Airlines

Find Deal

Thu, Aug 28 - Mon, Sep 1

7:10 am - 5:29 pmFCO-ONT

19h 19m2 stops

9:36 am - 1:20 pmONT-FCO

18h 44m1 stop

$605United Airlines

Find Deal

Thu, Sep 11 - Thu, Sep 25

7:00 am - 8:43 pmFCO-ONT

22h 43m2 stops

6:04 am - 1:05 pmONT-FCO

22h 01m2 stops

$606United Airlines

Find Deal

Sat, Aug 30 - Wed, Sep 3

10:00 am - 10:14 pmFCO-ONT

21h 14m1 stop

8:14 am - 11:30 amONT-FCO

18h 16m2 stops

$649British Airways

Find Deal

Thu, Aug 28 - Mon, Sep 1

11:35 am - 10:29 pmFCO-ONT

19h 54m1 stop

8:48 am - 10:35 amONT-FCO

16h 47m1 stop

$650

Find Deal

Fri, Nov 7 - Sat, Dec 6

11:30 am - 8:43 pmFCO-ONT

18h 13m2 stops

5:10 am - 10:15 amONT-FCO

20h 05m2 stops

$668Air Canada

Find Deal

Tue, Sep 16 - Tue, Sep 23

1:00 pm - 9:58 pmFCO-ONT

17h 58m1 stop

11:00 am - 10:35 amONT-FCO

14h 35m1 stop

$706

Find Deal

Sun, Dec 14 - Sun, Dec 28

9:45 am - 7:11 pmFCO-ONT

18h 26m1 stop

7:05 am - 7:35 amONT-FCO

15h 30m1 stop

$765Delta

Find Deal

Thu, Aug 28 - Mon, Sep 1

United Airlines flights from Rome to Ontario

Our best United Airlines deals on Rome to Ontario flight tickets

United Airlines

Aug 29

FCO7:10 amRome Fiumicino

19h 19m

2 stops

ONT5:29 pmOntario

Sep 6

ONT1:15 pmOntario

14h 05m

1 stop

FCO12:20 pmRome Fiumicino

$594

Find similar

United Airlines

Aug 28

FCO1:20 pmRome Fiumicino

31h 53m

2 stops

ONT12:13 pmOntario

Sep 1

ONT5:10 amOntario

22h 10m

1 stop

FCO12:20 pmRome Fiumicino

$602

Find similar

United Airlines

Aug 28

FCO1:20 pmRome Fiumicino

31h 53m

2 stops

ONT12:13 pmOntario

Sep 1

ONT6:38 pmOntario

42h 17m

2 stops

FCO9:55 pmRome Fiumicino

$604

Find similar

Iberia flights from Rome to Ontario

Our best Iberia deals on Rome to Ontario flight tickets

Iberia

Oct 3

FCO6:25 amRome Fiumicino

25h 08m

2 stops

ONT10:33 pmOntario

Oct 15

ONT10:57 amOntario

17h 58m

2 stops

FCO1:55 pmRome Fiumicino

$808

Find similar

Iberia

Aug 18

FCO10:00 amRome Fiumicino

21h 48m

1 stop

ONT10:48 pmOntario

Aug 26

ONT8:14 amOntario

14h 51m

1 stop

FCO8:05 amRome Fiumicino

$866

Find similar

Iberia

Aug 17

FCO10:00 amRome Fiumicino

23h 08m

1 stop

ONT12:08 amOntario

Aug 24

ONT2:31 pmOntario

32h 34m

1 stop

FCO8:05 amRome Fiumicino

$902

Find similar

Fly from

Fly to

Route

Depart

Return

Price

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Fri 8/29

7:10 am-5:29 pm

2 stops19h 19m

Ontario

Sat 9/6

1:15 pm-12:20 pm

1 stop14h 05m

$594

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 8/28

1:20 pm-12:13 pm

2 stops31h 53m

Ontario

Mon 9/1

5:10 am-12:20 pm

1 stop22h 10m

$602

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 8/28

1:20 pm-12:13 pm

2 stops31h 53m

Ontario

Mon 9/1

6:38 pm-9:55 pm

2 stops42h 17m

$604

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 9/11

7:10 am-5:29 pm

2 stops19h 19m

Ontario

Thu 9/25

9:36 am-1:20 pm

1 stop18h 44m

$605

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Sat 8/30

7:00 am-8:43 pm

2 stops22h 43m

Ontario

Wed 9/3

6:04 am-1:05 pm

2 stops22h 01m

$606

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 8/28

10:00 am-10:14 pm

1 stop21h 14m

Ontario

Mon 9/1

8:14 am-11:30 am

2 stops18h 16m

$649

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Fri 11/7

11:35 am-10:29 pm

1 stop19h 54m

Ontario

Sat 12/6

8:48 am-10:35 am

1 stop16h 47m

$650

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Tue 9/16

11:30 am-8:43 pm

2 stops18h 13m

Ontario

Tue 9/23

5:10 am-10:15 am

2 stops20h 05m

$668

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Sun 12/14

1:00 pm-9:58 pm

1 stop17h 58m

Ontario

Sun 12/28

11:00 am-10:35 am

1 stop14h 35m

$706

RomeOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 8/28

9:45 am-7:11 pm

1 stop18h 26m

Ontario

Mon 9/1

7:05 am-7:35 am

1 stop15h 30m

$765

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 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 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 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 at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Rome to Ontario

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

Estimated round-trip price

Cheap Rome to Ontario (ROM to ONT) flight deals and tips

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

Best Price Found	$347
Fastest flight time	15h 23m
Direct flights	None
Airports in Ontario	1 airport

The best one-way flight to Ontario from Rome in the past 72 hours is $347. The best round-trip flight deal from Rome to Ontario found on momondo in the last 72 hours is $594.

The fastest flight from Rome to Ontario takes 15h 23m

There are no direct flights from Rome to Ontario. Popular non-direct route for this connection is Rome Fiumicino Airport - Ontario Airport.

There is 1 airport near Ontario: Ontario (ONT)

Search flight deals

How far is Rome to Ontario by plane?
A flight from Rome to Ontario will travel around 6306.5 mi. A reasonable flight in good conditions will take 15h 23m.
When did momondo last update prices for flights from Rome to Ontario Airport?
Prices for flights from Rome to Ontario Airport refresh daily.
How old do you have to be to fly from Rome to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rome to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario 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 Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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?

Flights from Rome to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 Rome to Ontario.

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

If you are not ready to book a flight from Rome to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.