FCO - ONT

$570 Find Cheap Flights from Rome to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$589
Typical prices: $588-$796
American Airlines
Tue 10/2Wed 10/17
FCO - ONT • 2 stops
Cheapest one-way
$570
Typical prices: $570-$796
Multiple Airlines
Mon 1/29
FCO - ONT • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Rome Fiumicino Airport and Ontario. You'll need to take a connecting flight to reach the destination.
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Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $545 (round-trip)
Atlanta Hartsfield-Jackson (ATL)
Shortest trip • 18h 19m (one-way)
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Cheap Flights from Rome to Ontario (FCO-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Rome to Ontario

Fri, Oct 2 - Wed, Oct 14
American Airlines Logo
1:10 pm - 9:29 amFCO  Rome Fiumicino-ONT Ontario
29h 19m2 stops Charlotte Douglas Dallas/Fort Worth
American Airlines Logo
1:05 pm - 3:45 pmONT  Ontario-FCO Rome Fiumicino
17h 40m2 stops Phoenix Sky Harbor Intl London Heathrow
$589American Airlines
Fri, Oct 2 - Mon, Oct 19
American Airlines Logo
1:10 pm - 9:29 amFCO  Rome Fiumicino-ONT Ontario
29h 19m2 stops Charlotte Douglas Dallas/Fort Worth
American Airlines Logo
1:05 pm - 7:20 pmONT  Ontario-FCO Rome Fiumicino
21h 15m2 stops Phoenix Sky Harbor Intl London Heathrow
$589American Airlines
Fri, Oct 2 - Sat, Oct 17
American Airlines Logo
1:10 pm - 1:25 pmFCO  Rome Fiumicino-ONT Ontario
33h 15m2 stops Charlotte Douglas Dallas/Fort Worth
American Airlines Logo
1:05 pm - 4:30 pmONT  Ontario-FCO Rome Fiumicino
18h 25m2 stops Phoenix Sky Harbor Intl London Heathrow
$589American Airlines
Thu, Nov 12 - Mon, Nov 16
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
$590American Airlines
Thu, Nov 12 - Mon, Nov 16
American Airlines Logo
1:10 pm - 9:32 pmFCO  Rome Fiumicino-ONT Ontario
17h 22m1 stop Dallas/Fort Worth
American Airlines Logo
12:42 pm - 9:55 pmONT  Ontario-FCO Rome Fiumicino
24h 13m2 stops Dallas/Fort Worth London Heathrow
$590American Airlines
Thu, Nov 12 - Mon, Nov 16
British Airways Logo
1:10 pm - 9:40 amFCO  Rome Fiumicino-ONT Ontario
29h 30m1 stop Dallas/Fort Worth
British Airways Logo
7:00 am - 2:55 pmONT  Ontario-FCO Rome Fiumicino
22h 55m2 stops Dallas/Fort Worth London Heathrow
$591British Airways
Thu, Nov 12 - Mon, Nov 16
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
$591American Airlines
Thu, Nov 12 - Mon, Nov 16
American Airlines Logo
1:10 pm - 9:32 pmFCO  Rome Fiumicino-ONT Ontario
17h 22m1 stop Dallas/Fort Worth
American Airlines Logo
12:42 pm - 9:55 pmONT  Ontario-FCO Rome Fiumicino
24h 13m2 stops Dallas/Fort Worth London Heathrow
$591American Airlines
Thu, Oct 22 - Wed, Oct 28
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
$597British Airways
Thu, Oct 22 - Sun, Nov 1
British Airways Logo
1:30 pm - 10:59 pmFCO  Rome Fiumicino-ONT Ontario
18h 29m1 stop Charlotte Douglas
British Airways Logo
10:30 am - 10:45 amONT  Ontario-FCO Rome Fiumicino
15h 15m1 stop Dallas/Fort Worth
$597British Airways
Booking Insights

Price, demand and travel trends for Rome Fiumicino Airport to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Rome Fiumicino Airport to Ontario with more confidence.

How much is a round-trip flight from Rome Fiumicino Airport to Ontario?

Round-trip flights from Rome Fiumicino Airport to Ontario start at $589. Prices are typical for this route right now, with typical round-trip fares ranging from $588 to $796. The lowest price found in the past 5 days was $589 on American Airlines.

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Key details for Rome Fiumicino Airport to Ontario flights

Cheapest flight

$570
Flight from Rome Fiumicino Airport to Ontario

When to book flights from Rome to Ontario

Are your dates flexible? Find out the best times to travel from Rome to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Rome Fiumicino Airport to Ontario flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Rome Fiumicino Airport to Ontario?

    Flights from Rome Fiumicino Airport to Ontario usually depart from Rome Fiumicino (FCO) and arrive at Ontario (ONT).

  • What cabin classes can I book on flights from Rome Fiumicino Airport to Ontario?

    Only Economy Class is available on flights from Rome Fiumicino Airport to Ontario.

  • Which airports do connecting flights from Rome Fiumicino Airport to Ontario pass through?

    One-stop flights from Rome Fiumicino Airport to Ontario most commonly connect through:

    • Dallas/Fort Worth (DFW) - 50% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 33% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 8% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 8% of one-stop connections

    Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Rome Fiumicino Airport to Ontario?

    Yes. Being flexible with your travel dates can save you up to 30% on the Rome Fiumicino Airport to Ontario route. Wednesday is the cheapest departure day at $564 round-trip on average, while Tuesday is the most expensive at $796, a difference of $232. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

  • How long is a flight from Rome Fiumicino Airport to Ontario?

    A nonstop flight from Rome Fiumicino Airport to Ontario takes 0h 00m, covering 6,303 miles.

  • Do I need a passport to fly from Rome Fiumicino Airport to Ontario?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Rome Fiumicino Airport to Ontario looking right now?

    One-way fares from Rome Fiumicino Airport to Ontario are currently lower than usual. Average one-way flight prices are about $581, which is 8% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Rome Fiumicino Airport to Ontario?

    Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 18h 19m, compared with 18h 37m via Chicago O'Hare Intl (ORD) and 18h 46m via Seattle/Tacoma Intl (SEA).

  • What is the time difference between Rome Fiumicino Airport and Ontario?

    Ontario is 9 hours behind Rome Fiumicino Airport (Pacific Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:
    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • How much should I expect to pay for a Rome Fiumicino Airport to Ontario flight?

    Round-trip flights from Rome Fiumicino Airport to Ontario range from $588 to $796, with an average of $658 over the past 12 months. Anything below $588 counts as a good deal.

Your guide to booking Rome Fiumicino Airport to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.

More options for your flight from Rome to Ontario

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