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Cheap flights from Rome Fiumicino Airport to Los Angeles from $397

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Rome Fiumicino Airport to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:55 am - 8:01 pmFCO  Rome Fiumicino-ONT Ontario
19h 06m2 stops Frankfurt am Main San Francisco
United Airlines Logo
5:00 am - 8:55 amONT  Ontario-FCO Rome Fiumicino
18h 55m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl
$617United Airlines
Wed, Jan 20 - Sun, Jan 24
Iberia Logo
12:00 pm - 10:35 pmFCO  Rome Fiumicino-ONT Ontario
19h 35m1 stop Dallas/Fort Worth
Iberia Logo
7:30 am - 9:50 amONT  Ontario-FCO Rome Fiumicino
17h 20m1 stop Dallas/Fort Worth
$621Iberia
Tue, Apr 13 - Tue, Apr 20
British Airways Logo
12:00 pm - 10:35 pmFCO  Rome Fiumicino-ONT Ontario
19h 35m1 stop Dallas/Fort Worth
British Airways Logo
7:30 am - 9:50 amONT  Ontario-FCO Rome Fiumicino
17h 20m1 stop Dallas/Fort Worth
$641British Airways
Mon, Apr 12 - Sun, Apr 18
American Airlines Logo
1:10 pm - 6:44 pmFCO  Rome Fiumicino-ONT Ontario
38h 34m2 stops Philadelphia Dallas/Fort Worth
American Airlines Logo
10:30 pm - 12:55 pmONT  Ontario-FCO Rome Fiumicino
29h 25m2 stops Charlotte Douglas London Heathrow
$647American Airlines
Fri, Dec 11 - Sun, Dec 13
British Airways Logo
1:10 pm - 9:32 pmFCO  Rome Fiumicino-ONT Ontario
17h 22m1 stop Dallas/Fort Worth
British Airways Logo
10:37 am - 10:45 amONT  Ontario-FCO Rome Fiumicino
15h 08m1 stop Dallas/Fort Worth
$648British Airways
Fri, Nov 13 - Fri, Nov 27
British Airways Logo
1:10 pm - 11:46 pmFCO  Rome Fiumicino-ONT Ontario
19h 36m1 stop Dallas/Fort Worth
British Airways Logo
10:37 am - 10:45 amONT  Ontario-FCO Rome Fiumicino
15h 08m1 stop Dallas/Fort Worth
$650British Airways
Fri, Nov 13 - Fri, Nov 27
British Airways Logo
6:45 pm - 6:52 pmFCO  Rome Fiumicino-ONT Ontario
33h 07m2 stops London Heathrow Dallas/Fort Worth
British Airways Logo
2:09 pm - 9:55 pmONT  Ontario-FCO Rome Fiumicino
22h 46m2 stops Dallas/Fort Worth London Heathrow
$658British Airways
Wed, Nov 18 - Sun, Nov 22
British Airways Logo
1:10 pm - 11:46 pmFCO  Rome Fiumicino-ONT Ontario
19h 36m1 stop Dallas/Fort Worth
British Airways Logo
10:37 am - 10:45 amONT  Ontario-FCO Rome Fiumicino
15h 08m1 stop Dallas/Fort Worth
$659British Airways
Fri, Nov 13 - Fri, Nov 27
British Airways Logo
8:40 am - 9:42 amFCO  Rome Fiumicino-ONT Ontario
34h 02m2 stops London Heathrow Dallas/Fort Worth
British Airways Logo
2:22 pm - 5:50 pmONT  Ontario-FCO Rome Fiumicino
18h 28m2 stops Dallas/Fort Worth London Heathrow
$660British Airways
Fri, Dec 11 - Sun, Dec 13
British Airways Logo
1:10 pm - 9:32 pmFCO  Rome Fiumicino-ONT Ontario
17h 22m1 stop Dallas/Fort Worth
British Airways Logo
10:37 am - 10:45 amONT  Ontario-FCO Rome Fiumicino
15h 08m1 stop Dallas/Fort Worth
$663British Airways
Fri, Nov 13 - Fri, Nov 27

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KLM flights from Rome Fiumicino Airport to Ontario

Our best KLM deals on Rome Fiumicino Airport to Ontario flight tickets
KLM
Nov 9
FCO10:25 amRome Fiumicino
20h 32m
1 stop
ONT9:57 pmOntario
Dec 2
ONT7:05 amOntario
16h 10m
1 stop
FCO8:15 amRome Fiumicino
$780
KLM
Dec 2
FCO10:25 amRome Fiumicino
19h 33m
1 stop
ONT8:58 pmOntario
Dec 15
ONT7:05 amOntario
16h 10m
1 stop
FCO8:15 amRome Fiumicino
$781
KLM
Nov 18
FCO10:25 amRome Fiumicino
19h 29m
1 stop
ONT8:54 pmOntario
Nov 25
ONT7:05 amOntario
16h 10m
1 stop
FCO8:15 amRome Fiumicino
$783

British Airways flights from Rome Fiumicino Airport to Ontario

Our best British Airways deals on Rome Fiumicino Airport to Ontario flight tickets
British Airways
Apr 12
FCO12:00 pmRome Fiumicino
19h 35m
1 stop
ONT10:35 pmOntario
Apr 18
ONT7:30 amOntario
17h 20m
1 stop
FCO9:50 amRome Fiumicino
$641
British Airways
Nov 13
FCO1:10 pmRome Fiumicino
17h 22m
1 stop
ONT9:32 pmOntario
Nov 27
ONT10:37 amOntario
15h 08m
1 stop
FCO10:45 amRome Fiumicino
$648
British Airways
Nov 13
FCO1:10 pmRome Fiumicino
19h 36m
1 stop
ONT11:46 pmOntario
Nov 27
ONT10:37 amOntario
15h 08m
1 stop
FCO10:45 amRome Fiumicino
$650

momondo Fare Finder

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

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Cheapest round-trip

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Wed 1/20

9:55 am-8:01 pm

2 stops19h 06m

Ontario

Sun 1/24

5:00 am-8:55 am

2 stops18h 55m

$617

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Tue 4/13

12:00 pm-10:35 pm

1 stop19h 35m

Ontario

Tue 4/20

7:30 am-9:50 am

1 stop17h 20m

$621

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Mon 4/12

12:00 pm-10:35 pm

1 stop19h 35m

Ontario

Sun 4/18

7:30 am-9:50 am

1 stop17h 20m

$641

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Fri 12/11

1:10 pm-6:44 pm

2 stops38h 34m

Ontario

Sun 12/13

10:30 pm-12:55 pm

2 stops29h 25m

$647
Quickest round-trip

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Fri 11/13

1:10 pm-9:32 pm

1 stop17h 22m

Ontario

Fri 11/27

10:37 am-10:45 am

1 stop15h 08m

$648

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Fri 11/13

1:10 pm-11:46 pm

1 stop19h 36m

Ontario

Fri 11/27

10:37 am-10:45 am

1 stop15h 08m

$650

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Wed 11/18

6:45 pm-6:52 pm

2 stops33h 07m

Ontario

Sun 11/22

2:09 pm-9:55 pm

2 stops22h 46m

$658

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Fri 11/13

1:10 pm-11:46 pm

1 stop19h 36m

Ontario

Fri 11/27

10:37 am-10:45 am

1 stop15h 08m

$659

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Fri 12/11

8:40 am-9:42 am

2 stops34h 02m

Ontario

Sun 12/13

2:22 pm-5:50 pm

2 stops18h 28m

$660

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Fri 11/13

1:10 pm-9:32 pm

1 stop17h 22m

Ontario

Fri 11/27

10:37 am-10:45 am

1 stop15h 08m

$663

Flights are sorted by cheapest round-trip flights first.

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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

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

You could potentially save up to 28% on your flight if you consider stops on a Rome Fiumicino Airport to Ontario flight.

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

Best Price Found

$397

Fastest flight time

18h 26m

Direct flights

None
The best one-way flight to Ontario from Rome Fiumicino Airport in the past 72 hours is $397. The best round-trip flight deal from Rome Fiumicino Airport to Ontario found on momondo in the last 72 hours is $617.
The fastest flight from Rome Fiumicino Airport to Ontario takes 18h 26m
There are no direct flights from Rome Fiumicino Airport to Ontario. There are no popular flight routes from Rome Fiumicino Airport to Ontario.
Search flight deals

Frequently asked questions about flying from Rome Fiumicino Airport to Ontario

  • 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 18h 26m.

  • 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.

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