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Cheap flights from Rome to Los Angeles from $562

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Rome to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:30 am - 10:43 pmFCO  Rome Fiumicino-ONT Ontario
25h 13m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
Delta Logo
9:45 am - 4:35 pmONT  Ontario-FCO Rome Fiumicino
21h 50m2 stops Salt Lake City Paris Charles de Gaulle
$605Delta
Thu, Oct 15 - Mon, Oct 19
American Airlines Logo
1:10 pm - 11:46 pmFCO  Rome Fiumicino-ONT Ontario
19h 36m1 stop Dallas/Fort Worth
American Airlines Logo
10:30 pm - 2:35 pmONT  Ontario-FCO Rome Fiumicino
31h 05m2 stops Charlotte Douglas London Heathrow
$607American Airlines
Thu, Nov 12 - Mon, Nov 16
Delta Logo
10:35 am - 10:43 pmFCO  Rome Fiumicino-ONT Ontario
21h 08m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
Delta Logo
11:08 pm - 7:35 amONT  Ontario-FCO Rome Fiumicino
23h 27m1 stop Atlanta Hartsfield-Jackson
$608Delta
Thu, Oct 15 - Mon, Oct 19
American Airlines Logo
1:10 pm - 11:46 pmFCO  Rome Fiumicino-ONT Ontario
19h 36m1 stop Dallas/Fort Worth
American Airlines Logo
10:30 pm - 2:35 pmONT  Ontario-FCO Rome Fiumicino
31h 05m2 stops Charlotte Douglas London Heathrow
$609American Airlines
Thu, Nov 12 - Mon, Nov 16
Delta Logo
12:20 pm - 10:43 pmFCO  Rome Fiumicino-ONT Ontario
19h 23m1 stop Seattle/Tacoma Intl
Delta Logo
11:56 am - 7:05 pmONT  Ontario-FCO Rome Fiumicino
22h 09m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle
$611Delta
Sat, Oct 17 - Wed, Oct 21
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
$614British Airways
Fri, Nov 13 - Fri, Nov 27
Delta Logo
12:20 pm - 10:43 pmFCO  Rome Fiumicino-ONT Ontario
19h 23m1 stop Seattle/Tacoma Intl
Delta Logo
7:07 am - 7:35 amONT  Ontario-FCO Rome Fiumicino
15h 28m1 stop Atlanta Hartsfield-Jackson
$615Delta
Sat, Oct 17 - Wed, Oct 21
British Airways Logo
1:30 pm - 10:59 pmFCO  Rome Fiumicino-ONT Ontario
18h 29m1 stop Charlotte Douglas
British Airways Logo
10:25 am - 10:45 amONT  Ontario-FCO Rome Fiumicino
16h 20m1 stop Dallas/Fort Worth
$616British Airways
Wed, Oct 21 - Wed, Oct 28
American Airlines Logo
11:00 am - 11:01 pmFCO  Rome Fiumicino-ONT Ontario
21h 01m2 stops Philadelphia Charlotte Douglas
American Airlines Logo
12:42 pm - 9:55 pmONT  Ontario-FCO Rome Fiumicino
24h 13m2 stops Dallas/Fort Worth London Heathrow
$617American Airlines
Thu, Nov 12 - Mon, Nov 16
British Airways Logo
1:10 pm - 6:42 pmFCO  Rome Fiumicino-ONT Ontario
38h 32m1 stop Dallas/Fort Worth
British Airways Logo
10:30 am - 10:45 amONT  Ontario-FCO Rome Fiumicino
15h 15m1 stop Dallas/Fort Worth
$624British Airways
Thu, Nov 12 - Mon, Nov 16

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Delta flights from Rome to Ontario

Our best Delta deals on Rome to Ontario flight tickets
Delta
Oct 15
FCO6:30 amRome Fiumicino
25h 13m
2 stops
ONT10:43 pmOntario
Oct 19
ONT9:45 amOntario
21h 50m
2 stops
FCO4:35 pmRome Fiumicino
$605
Delta
Oct 15
FCO10:35 amRome Fiumicino
21h 08m
2 stops
ONT10:43 pmOntario
Oct 19
ONT11:08 pmOntario
23h 27m
1 stop
FCO7:35 amRome Fiumicino
$608
Delta
Oct 17
FCO12:20 pmRome Fiumicino
19h 23m
1 stop
ONT10:43 pmOntario
Oct 21
ONT11:56 amOntario
22h 09m
2 stops
FCO7:05 pmRome Fiumicino
$611

American Airlines flights from Rome to Ontario

Our best American Airlines deals on Rome to Ontario flight tickets
American Airlines
Nov 12
FCO1:10 pmRome Fiumicino
19h 36m
1 stop
ONT11:46 pmOntario
Nov 16
ONT10:30 pmOntario
31h 05m
2 stops
FCO2:35 pmRome Fiumicino
$607
American Airlines
Nov 12
FCO11:00 amRome Fiumicino
30h 39m
2 stops
ONT8:39 amOntario
Nov 16
ONT12:42 pmOntario
19h 13m
2 stops
FCO4:55 pmRome Fiumicino
$609
American Airlines
Oct 15
FCO11:05 amRome Fiumicino
21h 47m
2 stops
ONT11:52 pmOntario
Oct 19
ONT7:00 amOntario
20h 05m
1 stop
FCO12:05 pmRome Fiumicino
$616

momondo Fare Finder

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

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Price

Cheapest round-trip

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Thu 10/15

6:30 am-10:43 pm

2 stops25h 13m

Ontario

Mon 10/19

9:45 am-4:35 pm

2 stops21h 50m

$605

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Thu 11/12

1:10 pm-11:46 pm

1 stop19h 36m

Ontario

Mon 11/16

10:30 pm-2:35 pm

2 stops31h 05m

$607

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Thu 10/15

10:35 am-10:43 pm

2 stops21h 08m

Ontario

Mon 10/19

11:08 pm-7:35 am

1 stop23h 27m

$608

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Thu 11/12

1:10 pm-11:46 pm

1 stop19h 36m

Ontario

Mon 11/16

10:30 pm-2:35 pm

2 stops31h 05m

$609

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Sat 10/17

12:20 pm-10:43 pm

1 stop19h 23m

Ontario

Wed 10/21

11:56 am-7:05 pm

2 stops22h 09m

$611
Quickest round-trip

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

$614

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Sat 10/17

12:20 pm-10:43 pm

1 stop19h 23m

Ontario

Wed 10/21

7:07 am-7:35 am

1 stop15h 28m

$615

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Wed 10/21

1:30 pm-10:59 pm

1 stop18h 29m

Ontario

Wed 10/28

10:25 am-10:45 am

1 stop16h 20m

$616

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Thu 11/12

11:00 am-11:01 pm

2 stops21h 01m

Ontario

Mon 11/16

12:42 pm-9:55 pm

2 stops24h 13m

$617

RomeOntario

FCO Rome Fiumicino - ONT Ontario

FCOONT

Rome Fiumicino

Thu 11/12

1:10 pm-6:42 pm

1 stop38h 32m

Ontario

Mon 11/16

10:30 am-10:45 am

1 stop15h 15m

$624

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

Can stopping save me money on Rome to Ontario flights?

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

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

$562

Fastest flight time

15h 00m

Direct flights

None
The best one-way flight to Ontario from Rome in the past 72 hours is $562. The best round-trip flight deal from Rome to Ontario found on momondo in the last 72 hours is $605.
The fastest flight from Rome to Ontario takes 15h 00m
There are no direct flights from Rome to Ontario. There are no popular flight routes from Rome to Ontario.
Search flight deals

Frequently asked questions about flying from Rome to Ontario

  • 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 00m.

  • 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.

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