$335+ Cheap flights from Ontario (ONT) to Fiumicino (FCO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FCO
May 17 — May 241
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Leonardo da Vinci/Fiumicino with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Leonardo da Vinci/Fiumicino
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Cheapest flights from Ontario to Leonardo da Vinci/FiumicinoExplore the most affordable flight options available from Ontario to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
Explore the most affordable flight options available from Ontario to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:39 pm
ONT
- FCO
1 stop14h 26m
British Airways
Thu 8/271:10 pm
FCO
- ONT
1 stop17h 02m
British Airways
Deal found 4/14![British Airways logo]()
$713
This Ticket deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:05 am
ONT
- FCO
1 stop15h 30m
Multiple Airlines
Tue 5/59:45 am
FCO
- ONT
1 stop17h 48m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$715
This KLM deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:00 am
ONT
- FCO
1 stop16h 15m
KLM
Tue 12/151:30 pm
FCO
- ONT
1 stop17h 44m
KLM
Deal found 4/14![KLM logo]()
$719
This Ticket deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:05 am
ONT
- FCO
1 stop15h 30m
KLM
Tue 5/59:45 am
FCO
- ONT
1 stop17h 48m
KLM
Deal found 4/15![KLM logo]()
$720
This KLM deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:00 pm
ONT
- FCO
1 stop15h 40m
KLM
Wed 8/269:45 am
FCO
- ONT
1 stop17h 16m
KLM
Deal found 4/13![KLM logo]()
$721
This oojo deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 am
ONT
- FCO
1 stop21h 05m
British Airways
Wed 8/261:10 pm
FCO
- ONT
1 stop18h 48m
British Airways
Deal found 4/13![British Airways logo]()
$723
This KLM deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:00 am
ONT
- FCO
1 stop16h 15m
KLM
Wed 12/161:30 pm
FCO
- ONT
1 stop17h 44m
KLM
Deal found 4/15![KLM logo]()
$724
This Gotogate deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:18 pm
ONT
- FCO
2 stops34h 57m
Air Canada
Tue 8/2511:30 am
FCO
- ONT
2 stops34h 08m
Air Canada
Deal found 4/12![Air Canada logo]()
$725
This Booking.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:18 pm
ONT
- FCO
2 stops34h 57m
Air Canada
Tue 8/2511:30 am
FCO
- ONT
2 stops34h 08m
Air Canada
Deal found 4/15![Air Canada logo]()
$726
This KLM deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:05 am
ONT
- FCO
1 stop15h 30m
KLM
Tue 4/219:45 am
FCO
- ONT
1 stop17h 48m
KLM
Deal found 4/13![KLM logo]()
$728
This oojo deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:59 pm
ONT
- FCO
1 stop27h 06m
British Airways
Wed 11/1111:00 am
FCO
- ONT
1 stop21h 57m
British Airways
Deal found 4/14![British Airways logo]()
$729
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:13 pm
ONT
- FCO
3 stops31h 32m
United Airlines
Tue 8/2510:00 am
FCO
- ONT
2 stops21h 58m
United Airlines
Deal found 4/15![United Airlines logo]()
$730
Best flights from Ontario to Leonardo da Vinci/FiumicinoDiscover carefully curated flight deals from Ontario to Leonardo da Vinci/Fiumicino that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
Discover carefully curated flight deals from Ontario to Leonardo da Vinci/Fiumicino that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:33 pm
ONT
- FCO
1 stop15h 07m
United Airlines
Tue 10/136:50 am
FCO
- ONT
2 stops24h 36m
United Airlines
Deal found 4/13![United Airlines logo]()
$787
This KLM deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:00 pm
ONT
- FCO
1 stop24h 35m
KLM
Tue 5/196:30 am
FCO
- ONT
2 stops19h 40m
KLM
Deal found 4/14![KLM logo]()
$788
This Alaska Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:39 am
ONT
- FCO
1 stop17h 36m
Alaska Airlines
Tue 5/193:25 pm
FCO
- ONT
1 stop17h 33m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$788
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:55 am
ONT
- FCO
2 stops21h 40m
Delta
Sun 9/206:30 am
FCO
- ONT
2 stops18h 44m
Delta
Deal found 4/12![Delta logo]()
$852
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:59 pm
ONT
- FCO
2 stops27h 36m
United Airlines
Tue 5/1911:00 am
FCO
- ONT
2 stops20h 59m
United Airlines
Deal found 4/14![United Airlines logo]()
$793
This KLM deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:05 am
ONT
- FCO
1 stop15h 30m
KLM
Mon 5/189:45 am
FCO
- ONT
1 stop17h 51m
KLM
Deal found 4/16![KLM logo]()
$848
This United Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:30 pm
ONT
- FCO
1 stop15h 10m
United Airlines
Thu 5/142:20 pm
FCO
- ONT
1 stop15h 16m
United Airlines
Deal found 4/12![United Airlines logo]()
$848
This Alaska Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:00 am
ONT
- FCO
1 stop22h 15m
Alaska Airlines
Wed 5/273:25 pm
FCO
- ONT
1 stop17h 33m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$979
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:45 am
ONT
- FCO
2 stops22h 30m
United Airlines
Fri 8/286:50 am
FCO
- ONT
2 stops20h 29m
United Airlines
Deal found 4/15![United Airlines logo]()
$851
This KLM deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:05 am
ONT
- FCO
1 stop15h 30m
KLM
Fri 8/71:10 pm
FCO
- ONT
1 stop17h 34m
KLM
Deal found 4/16![KLM logo]()
$1,020
This KLM deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:05 am
ONT
- FCO
1 stop15h 30m
KLM
Sat 5/91:10 pm
FCO
- ONT
1 stop17h 38m
KLM
Deal found 4/16![KLM logo]()
$1,059
This KLM deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:05 am
ONT
- FCO
1 stop15h 30m
KLM
Wed 8/51:10 pm
FCO
- ONT
1 stop17h 34m
KLM
Deal found 4/13![KLM logo]()
$1,131
Last-minute flights from Ontario to Leonardo da Vinci/FiumicinoDiscover last-minute flight deals from Ontario to Leonardo da Vinci/Fiumicino. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Leonardo da Vinci/Fiumicino. Data last updated April 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:49 pm
ONT
- FCO
1 stop33h 51m
United Airlines
Thu 4/3011:30 am
FCO
- ONT
2 stops55h 11m
United Airlines
Deal found 4/16![United Airlines logo]()
$738
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:15 pm
ONT
- FCO
2 stops26h 50m
Delta
Fri 5/16:30 am
FCO
- ONT
2 stops26h 14m
Delta
Deal found 4/13![Delta logo]()
$751
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:15 pm
ONT
- FCO
1 stop24h 20m
Delta
Tue 5/59:45 am
FCO
- ONT
1 stop17h 48m
Delta
Deal found 4/13![Delta logo]()
$758
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:15 pm
ONT
- FCO
2 stops26h 50m
Delta
Thu 4/301:10 pm
FCO
- ONT
2 stops19h 34m
Delta
Deal found 4/12![Delta logo]()
$762
This Ticket deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:05 am
ONT
- FCO
1 stop15h 30m
Multiple Airlines
Tue 5/59:45 am
FCO
- ONT
1 stop17h 48m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$715
This Ticket deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:05 am
ONT
- FCO
1 stop15h 30m
KLM
Tue 5/59:45 am
FCO
- ONT
1 stop17h 48m
KLM
Deal found 4/15![KLM logo]()
$720
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:05 am
ONT
- FCO
1 stop15h 30m
Delta
Tue 5/59:45 am
FCO
- ONT
1 stop17h 48m
Delta
Deal found 4/13![Delta logo]()
$749
One-way flights from Ontario to Leonardo da Vinci/FiumicinoSearch for one-way flight options from Ontario to Leonardo da Vinci/Fiumicino. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
Search for one-way flight options from Ontario to Leonardo da Vinci/Fiumicino. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:39 pm
ONT
- FCO
1 stop14h 26m
British Airways
Deal found 4/14![British Airways logo]()
$335
This oojo deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/25:44 am
ONT
- FCO
1 stop21h 21m
British Airways
Deal found 4/13![British Airways logo]()
$345
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:50 pm
ONT
- FCO
1 stop14h 50m
United Airlines
Deal found 4/16![United Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:50 pm
ONT
- FCO
3 stops34h 25m
United Airlines
Deal found 4/16![United Airlines logo]()
$350
This Air Canada deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:00 am
ONT
- FCO
2 stops21h 45m
Air Canada
Deal found 4/15![Air Canada logo]()
$355
This oojo deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/12:15 pm
ONT
- FCO
1 stop36h 50m
British Airways
Deal found 4/13![British Airways logo]()
$356
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/14:20 pm
ONT
- FCO
1 stop36h 20m
United Airlines
Deal found 4/14![United Airlines logo]()
$357
This Cheapflightsfares deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:33 pm
ONT
- FCO
1 stop14h 32m
British Airways
Deal found 4/14![British Airways logo]()
$384
This oojo deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:59 pm
ONT
- FCO
2 stops24h 26m
British Airways
Deal found 4/14![British Airways logo]()
$385
This British Airways deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:33 pm
ONT
- FCO
2 stops19h 47m
British Airways
Deal found 4/14![British Airways logo]()
$394
Find flight deals from Ontario to Leonardo da Vinci/Fiumicino
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Leonardo da Vinci/Fiumicino (FCO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $713 (Cheapflightsfares) |
One-way from | $335 (Cheapflightsfares) |
Popular in | March |
Cheapest in | October |
Average price | $686 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Leonardo da Vinci/Fiumicino that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2026.
Use the filters below to find and compare flights from Ontario to Rome Fiumicino Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioRome
ONT - FCO
ONTFCO
Ontario
Tue 10/6
1:33 pm-1:40 pm
1 stop15h 07m
Rome Fiumicino
Tue 10/13
6:50 am-10:26 pm
2 stops24h 36m
$787
OntarioRome
ONT - FCO
ONTFCO
Ontario
Sat 5/9
10:00 pm-7:35 am
1 stop24h 35m
Rome Fiumicino
Tue 5/19
6:30 am-5:10 pm
2 stops19h 40m
$788
OntarioRome
ONT - FCO
ONTFCO
Ontario
Tue 5/12
10:39 am-1:15 pm
1 stop17h 36m
Rome Fiumicino
Tue 5/19
3:25 pm-11:58 pm
1 stop17h 33m
$788
OntarioRome
ONT - FCO
ONTFCO
Ontario
Sat 5/9
6:59 pm-7:35 am
2 stops27h 36m
Rome Fiumicino
Tue 5/19
11:00 am-10:59 pm
2 stops20h 59m
$793
OntarioRome
ONT - FCO
ONTFCO
Ontario
Sun 5/10
7:05 am-7:35 am
1 stop15h 30m
Rome Fiumicino
Mon 5/18
9:45 am-6:36 pm
1 stop17h 51m
$848
Quickest round-trip
OntarioRome
ONT - FCO
ONTFCO
Ontario
Thu 5/7
1:30 pm-1:40 pm
1 stop15h 10m
Rome Fiumicino
Thu 5/14
2:20 pm-8:36 pm
1 stop15h 16m
$848
OntarioRome
ONT - FCO
ONTFCO
Ontario
Mon 8/24
5:45 am-1:15 pm
2 stops22h 30m
Rome Fiumicino
Fri 8/28
6:50 am-6:19 pm
2 stops20h 29m
$851
OntarioRome
ONT - FCO
ONTFCO
Ontario
Mon 9/14
9:55 am-4:35 pm
2 stops21h 40m
Rome Fiumicino
Sun 9/20
6:30 am-4:14 pm
2 stops18h 44m
$852
OntarioRome
ONT - FCO
ONTFCO
Ontario
Sat 5/16
6:00 am-1:15 pm
1 stop22h 15m
Rome Fiumicino
Wed 5/27
3:25 pm-11:58 pm
1 stop17h 33m
$979
OntarioRome
ONT - FCO
ONTFCO
Ontario
Fri 7/31
7:05 am-7:35 am
1 stop15h 30m
Rome Fiumicino
Fri 8/7
1:10 pm-9:44 pm
1 stop17h 34m
$1,020
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Ontario to Leonardo da Vinci/Fiumicino
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Leonardo da Vinci/Fiumicino in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Rome Fiumicino Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Rome Fiumicino Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Rome Fiumicino Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Rome Fiumicino Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Rome Fiumicino Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Leonardo da Vinci/Fiumicino
Have a flexible travel schedule? Discover the best time to fly to Leonardo da Vinci/Fiumicino from Ontario with our price prediction graph.
ONT-FCO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Rome Fiumicino Airport
Reviews of airlines servicing Leonardo da Vinci/Fiumicino
Get insights into the airlines that provide service to Leonardo da Vinci/Fiumicino. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Leonardo da Vinci/Fiumicino. Reviews last updated April 17, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andBritish Airways from Ontario to Rome Fiumicino Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Food
7.2
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Food
7.2
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Food
7.2
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Food
7.2
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Ontario to Leonardo da Vinci/Fiumicino. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Rome Fiumicino Airport?
Book flights to Rome Fiumicino Airport if you plan to visit one of these locationsFiumicino
Montepulciano
Santa Marinella
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Other flights to Leonardo da Vinci/Fiumicino
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Ontario and Leonardo da Vinci/Fiumicino flights
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Top 3 airlines flying from Ontario to Leonardo da Vinci/Fiumicino
Discover the top 3 airlines that operate flights from Ontario to Leonardo da Vinci/Fiumicino. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$475 | Average$650 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$487 | Average$575 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$508 | Average$745 | FlexibilityNo cancel fee | On-time69% |