ONT - FCO

$339 Find Cheap Flights from Ontario to Rome - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Rome departing on 10/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$746
Typical prices: $609-$932
Air France, KLM
Mon 10/26Fri 11/13
ONT - FCO • 1 stop
Cheapest one-way
$339
British Airways
Mon 10/26
ONT - FCO • 1 stop
Top airlines
Cheapest • from $747 (round-trip)
Best reviews • 7.8 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Ontario and Rome. You'll need at least 1 connection.
Insights
Insights
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Insights
Top layover airports
Cheapest • Avg $723 (round-trip)
Shortest trip • 14h 13m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 100% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to Rome!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Rome (ONT-FCO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Rome that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Rome

Mon, Oct 26 - Fri, Nov 13
Multiple Airlines Logo
12:18 pm - 11:20 am
ONT
-
FCO
15h 02m
1 stop
Multiple Airlines Logo
6:10 am - 6:18 pm
FCO
-
ONT
21h 08m
2 stops
$746Multiple Airlines
Mon, Oct 26 - Fri, Nov 13
KLM Logo
7:05 am - 11:20 am
ONT
-
FCO
20h 15m
1 stop
KLM Logo
1:30 pm - 10:14 pm
FCO
-
ONT
17h 44m
1 stop
$747KLM
Mon, Oct 26 - Fri, Nov 13
British Airways Logo
2:22 pm - 7:35 pm
ONT
-
FCO
21h 13m
2 stops
British Airways Logo
1:00 pm - 9:57 am
FCO
-
ONT
29h 57m
1 stop
$749British Airways
Mon, Oct 26 - Fri, Nov 13
Multiple Airlines Logo
1:17 pm - 3:00 pm
ONT
-
FCO
17h 43m
2 stops
Multiple Airlines Logo
6:10 am - 4:12 pm
FCO
-
ONT
19h 02m
2 stops
$750Multiple Airlines
Tue, Dec 8 - Tue, Dec 22
Multiple Airlines Logo
12:00 pm - 11:20 am
ONT
-
FCO
14h 20m
1 stop
Multiple Airlines Logo
1:30 pm - 10:14 pm
FCO
-
ONT
17h 44m
1 stop
$753Multiple Airlines
Tue, Dec 1 - Tue, Dec 15
Multiple Airlines Logo
12:00 pm - 11:20 am
ONT
-
FCO
14h 20m
1 stop
Multiple Airlines Logo
1:30 pm - 10:14 pm
FCO
-
ONT
17h 44m
1 stop
$755Multiple Airlines
Wed, Aug 12 - Tue, Aug 25
United Airlines Logo
1:56 pm - 1:40 pm
ONT
-
FCO
14h 44m
1 stop
United Airlines Logo
11:30 am - 10:35 pm
FCO
-
ONT
44h 05m
2 stops
$756United Airlines
Mon, Oct 26 - Fri, Nov 13
Iberia Logo
10:25 am - 10:45 am
ONT
-
FCO
16h 20m
1 stop
Iberia Logo
1:00 pm - 10:23 pm
FCO
-
ONT
18h 23m
1 stop
$759Iberia
Wed, Aug 12 - Tue, Aug 25
Air Canada Logo
5:00 am - 9:15 am
ONT
-
FCO
19h 15m
2 stops
Air Canada Logo
11:30 am - 8:53 pm
FCO
-
ONT
42h 23m
2 stops
$760Air Canada
Tue, Nov 10 - Wed, Nov 18
KLM Logo
10:59 pm - 8:15 am
ONT
-
FCO
24h 16m
1 stop
KLM Logo
6:10 am - 6:18 pm
FCO
-
ONT
21h 08m
2 stops
$761KLM
Booking Insights

KAYAK's insights & trends for Ontario to Rome flights

Get data-powered insights and trends into flights from Ontario to Rome to help you find the cheapest flights, the best time to fly and much more.

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

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Ontario to Rome Fiumicino Airport departing in October.

What is the cheapest month to fly from Ontario to Rome Fiumicino Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ontario to Rome Fiumicino Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Ontario to Rome Fiumicino Airport is February, where tickets cost $0 (return) on average. On the other hand, the most expensive months are June and May, where the average cost of round-trip tickets is $1,524 and $1,140 respectively.

Good to know

Low seasonOctober
Cheapest flight$339
Best time to beat the crowds with an average 41% drop in price.
Most popular time to fly and prices are also 17% lower on average.
Flight from Ontario to Rome

When to book flights from Ontario to Rome

Are your dates flexible? Find out the best times to travel from Ontario to Rome based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Ontario to Rome flights

  • What is the cheapest flight from Ontario to Rome Fiumicino Airport?

    In the last 5 days, the lowest price for a flight from Ontario to Rome Fiumicino Airport was $339 for a one-way ticket and $746 for a round-trip.

  • Do I need a passport to fly between Ontario and Rome?

    A passport is required to fly from Ontario to Rome.

  • Which aircraft models fly most regularly from Ontario to Rome?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ontario to Rome?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Ontario and Rome, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Ontario to Rome, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Ontario to Rome are Delta and United Airlines. With an average price for the route of $843 and an overall rating of 7.8, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $725 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Ontario to Rome?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Rome.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Rome?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rome from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Rome?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Rome with an airline and back to Ontario with another airline. Booking your flights between Ontario and FCO can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Rome?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Rome from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Ontario to Rome

 
See real verified KAYAK customer reviews for airlines flying from Ontario to Rome. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Ontario to Rome? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
DeltaOverall score based on 8451 reviews
8.1Boarding
7.8Comfort
8.5Crew
7.8Entertainment
7.2Food
Airline reviews

It was a great flight and the stewards and stewardess were all kind and accommodating!! The seats were comfortable and entertainment screen excellent!

10.0 ExcellentDena, Jun 2025
ONT - ATL
Read more Delta reviews

It was a great flight and the stewards and stewardess were all kind and accommodating!! The seats were comfortable and entertainment screen excellent!

737-800 in first class was pretty dumpy. Seat had an uncomfortable angle, storage under the seat was blocked so even my very modest backpack didn't fit, power outlet was flaky. Weird tiny seat pockets that couldn't hold a gallon ziploc bag, emesis bag missing, etc. etc. No in-flight service due to turbulence. Crew was excellent, boarding was smooth despite a full flight.

Our bag was lost so that made unnecessary chaos On our trip

More up to date movies and a live TV option like ESPN, Fox News or CNN. All they had were movies and Spotify Music and some games. Also, wifi on international flights isn't free for Skymiles members like on domestic flights via T-Mobile.

Lost luggage! No representative of the airline present at the airport. Air France contracted the service out to a 3rd party service. The service has no ability to track the missing bag or provide a time frame on its arrival.

The flight was overbooked and the staff at the gate started calling for volunteers to drop out and offering incentives. That delayed the flight

Upon landing our breakfast were left, which means all the tray tables were were down for on landing . Isn’t there an FAA have rule about that

There was no wifi even after my husband paid for wifi it wasn’t working. The plane looked and felt old.

Crew was great. Food and entertainment was great. There was plenty of leg room sitting in a economy seat. That being said put thicker padding at the lower part of the seat. The person seated behind me was very tall and their knees were pushed into my back the entire flight. I understand having to move your legs but it was moving into my back for a 9 hour flight!

Update the cabin with tv screens or at least music sources.

Boarded from a very small gate at LAX. Staff at gate had us line up, then waited 25 minutes to board without a word of explanation. Plane arrived on time then waited 20 minutes for a plane to vacate our gate. Majority of bags arrived after 15 minutes but it took an hour for a small number of remaining bags to be off-loaded despite my “priority” bag tag.

Excellent communication from the staff. We actually arrived early. Very friendly and professional staff.

Great staff. Clean plane, but we were delayed for more than an hour due to maintenance issues and had to board another plane.

I was very disappointed with my experience at the United Airlines baggage check. The representative was rude and unhelpful. I was required to remove approximately 1.5 pounds from my two checked bags, even though it was a very small amount over the limit. The interaction was unnecessarily unpleasant, and I expected much better customer service. I hope United will review this incident and provide additional customer service training to its staff.

No extra snacks were available. Meals quality is terrible. Crew was not friendly.

Lost one piece of luggage even though I checked in 2.5 hours before the flight

Seat pitch is horrible especially on the 15 hour flight. Gate crew at SFO was Outstanding. The flight crew was also great.

Same day canceled, we were never informed and had to pay more with worse seating on another airline.

Flight itself excellent, but delayed so missed connection & got to destination 2 hrs later

More water distribution throughout flight. Food quality poor and hot items delivered not hot on both attempts. Not United Standards

Everything you need to know for your flight from Ontario to Rome

Information on your arrival and departure airports