$343+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FCO
Sep 29 — Oct 61
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
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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
Cheapest
Best
Last-minute
One-way
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 August 30, 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 August 30, 2026.
This Kissandfly.com deal was found by Cheapflights users on 8/26. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:29 pm -
1 stop13h 26m
Wed 12/99:55 am -
2 stops19h 34m
Deal found 8/26![Lufthansa logo]()
$747
This KLM deal was found by Cheapflights users on 8/26. 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 11/257:05 am -
1 stop16h 10m
Wed 12/910:25 am -
1 stop19h 34m
Deal found 8/26![KLM logo]()
$754
This Delta deal was found by Cheapflights users on 8/30. 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 10/257:07 am -
1 stop17h 08m
Tue 11/1010:25 am -
1 stop19h 29m
Deal found 8/30![Delta logo]()
$755
This Kissandfly.com deal was found by Cheapflights users on 8/26. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/286:00 am -
2 stops32h 10m
Mon 1/112:10 pm -
2 stops41h 56m
Deal found 8/26![Lufthansa logo]()
$760
This United Airlines deal was found by Cheapflights users on 8/26. 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 11/301:29 pm -
1 stop13h 26m
Tue 12/87:05 am -
2 stops19h 31m
Deal found 8/26![United Airlines logo]()
$761
This Air France deal was found by Cheapflights users on 8/28. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:05 am -
1 stop16h 10m
Wed 1/136:10 am -
2 stops19h 02m
Deal found 8/28![Multiple Airlines logo]()
$762
This United Airlines deal was found by Cheapflights users on 8/25. 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 12/17:00 am -
1 stop15h 45m
Tue 12/810:30 am -
2 stops18h 50m
Deal found 8/25![United Airlines logo]()
$763
This British Airways deal was found by Cheapflights users on 8/30. 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.
Sun 10/2510:25 am -
1 stop16h 20m
Tue 11/101:10 pm -
1 stop18h 47m
Deal found 8/30![British Airways logo]()
$764
This Delta deal was found by Cheapflights users on 8/28. 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 11/811:15 pm -
1 stop24h 00m
Fri 11/2010:25 am -
1 stop20h 32m
Deal found 8/28![Delta logo]()
$778
This Kissandfly.com deal was found by Cheapflights users on 8/25. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/271:29 pm -
1 stop13h 26m
Fri 12/111:30 pm -
2 stops31h 50m
Deal found 8/25![Lufthansa logo]()
$798
This United Airlines deal was found by Cheapflights users on 8/28. 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 8/316:08 am -
2 stops16h 47m
Thu 9/1011:30 am -
3 stops44h 29m
Deal found 8/28![United Airlines logo]()
$802
This Kissandfly.com deal was found by Cheapflights users on 8/25. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:24 pm -
1 stop13h 56m
Wed 11/47:05 am -
2 stops19h 56m
Deal found 8/25![Lufthansa logo]()
$803
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 August 30, 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 August 30, 2026.
This Delta deal was found by Cheapflights users on 8/27. 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 12/67:05 am -
1 stop16h 10m
Tue 12/2210:25 am -
1 stop19h 06m
Deal found 8/27![Delta logo]()
$754
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Sun 10/181:24 pm -
1 stop13h 56m
Tue 11/31:55 pm -
1 stop15h 56m
Deal found 8/25![United Airlines logo]()
$809
This KLM deal was found by Cheapflights users on 8/27. 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.
Thu 1/1412:00 pm -
1 stop14h 20m
Sun 1/241:30 pm -
1 stop17h 44m
Deal found 8/27![KLM logo]()
$868
This Delta deal was found by Cheapflights users on 8/26. 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 2/17:00 am -
1 stop19h 20m
Fri 2/196:10 am -
2 stops26h 38m
Deal found 8/26![Delta logo]()
$768
This United Airlines deal was found by Cheapflights users on 8/26. 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 2/66:53 pm -
2 stops33h 22m
Sun 2/212:10 pm -
2 stops17h 56m
Deal found 8/26![United Airlines logo]()
$831
This United Airlines deal was found by Cheapflights users on 8/27. 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 10/34:03 pm -
1 stop36h 37m
Wed 10/146:50 am -
2 stops22h 41m
Deal found 8/27![United Airlines logo]()
$862
This Delta deal was found by Cheapflights users on 8/27. 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.
Fri 9/256:00 am -
1 stop19h 10m
Fri 10/212:45 pm -
2 stops20h 02m
Deal found 8/27![Delta logo]()
$923
This United Airlines deal was found by Cheapflights users on 8/29. 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 11/57:00 am -
1 stop15h 45m
Thu 11/129:45 am -
1 stop18h 02m
Deal found 8/29![United Airlines logo]()
$863
This Delta deal was found by Cheapflights users on 8/29. 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.
Wed 10/76:20 am -
1 stop18h 50m
Sat 10/246:30 am -
2 stops25h 13m
Deal found 8/29![Delta logo]()
$929
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Fri 2/196:45 am -
1 stop16h 00m
Sat 2/271:30 pm -
2 stops18h 36m
Deal found 8/28![United Airlines logo]()
$866
This Delta deal was found by Cheapflights users on 8/29. 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.
Thu 9/179:52 am -
2 stops19h 33m
Mon 9/219:00 am -
2 stops23h 47m
Deal found 8/29![Delta logo]()
$981
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 10/91:24 pm -
2 stops34h 51m
Sun 11/17:05 am -
2 stops24h 43m
Deal found 8/25![United Airlines logo]()
$977
Last-minute flights from Ontario to Leonardo da Vinci/FiumicinoDiscover last-minute flight deals from Ontario to Leonardo da Vinci/Fiumicino. Data last updated August 30, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Leonardo da Vinci/Fiumicino. Data last updated August 30, 2026 and is based on user searches.
This Kissandfly.com deal was found by Cheapflights users on 8/26. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:18 pm -
2 stops33h 37m
Thu 9/107:10 am -
2 stops20h 01m
Deal found 8/26![Lufthansa logo]()
$850
This United Airlines deal was found by Cheapflights users on 8/28. 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 8/316:08 am -
2 stops16h 47m
Thu 9/1011:30 am -
2 stops44h 29m
Deal found 8/28![United Airlines logo]()
$802
This KLM deal was found by Cheapflights users on 8/28. 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.
Mon 8/316:20 am -
1 stop18h 50m
Thu 9/1012:20 pm -
1 stop19h 20m
Deal found 8/28![KLM logo]()
$818
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/51:56 pm -
2 stops56h 59m
Tue 9/1511:30 am -
2 stops57h 42m
Deal found 8/27![United Airlines logo]()
$859
This Kissandfly.com deal was found by Cheapflights users on 8/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:18 pm -
1 stop14h 02m
Wed 9/232:20 pm -
1 stop15h 33m
Deal found 8/29![Lufthansa logo]()
$849
This Kissandfly.com deal was found by Cheapflights users on 8/26. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:18 pm -
1 stop14h 02m
Tue 9/299:45 am -
1 stop22h 04m
Deal found 8/26![Lufthansa logo]()
$855
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/159:01 am -
1 stop19h 39m
Tue 9/293:40 pm -
1 stop27h 43m
Deal found 8/25![United Airlines logo]()
$863
This United Airlines deal was found by Cheapflights users on 8/26. 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 9/191:56 pm -
2 stops32h 59m
Wed 10/219:45 am -
2 stops19h 46m
Deal found 8/26![United Airlines logo]()
$862
This Delta deal was found by Cheapflights users on 8/26. 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 9/196:00 pm -
1 stop31h 10m
Thu 10/229:45 am -
1 stop17h 37m
Deal found 8/26![Delta logo]()
$864
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Sun 9/201:53 pm -
1 stop14h 47m
Wed 9/306:50 am -
2 stops25h 09m
Deal found 8/28![United Airlines logo]()
$857
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 August 30, 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 August 30, 2026.
This American Airlines deal was found by Cheapflights users on 8/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/257:00 am -
2 stops22h 55m
Deal found 8/27![American Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 8/28. 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 1/2512:00 pm -
1 stop14h 20m
Deal found 8/28![Delta logo]()
$346
This United Airlines deal was found by Cheapflights users on 8/28. 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 1/256:53 pm -
3 stops53h 02m
Deal found 8/28![United Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Sun 2/1411:20 am -
2 stops21h 40m
Deal found 8/25![United Airlines logo]()
$354
This Air Canada deal was found by Cheapflights users on 8/26. 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.
Tue 11/245:00 am -
2 stops20h 55m
Deal found 8/26![Air Canada logo]()
$355
This FlightHub deal was found by Cheapflights users on 8/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/121:40 pm -
2 stops34h 15m
Deal found 8/26![Air Canada logo]()
$361
This United Airlines deal was found by Cheapflights users on 8/27. 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 12/285:00 am -
2 stops33h 10m
Deal found 8/27![United Airlines logo]()
$365
This Mytrip deal was found by Cheapflights users on 8/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2811:59 pm -
1 stop25h 46m
Deal found 8/27![British Airways logo]()
$371
This British Airways deal was found by Cheapflights users on 8/26. 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.
Fri 1/82:22 pm -
2 stops20h 18m
Deal found 8/26![British Airways logo]()
$394
This Delta deal was found by Cheapflights users on 8/25. 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.
Thu 12/37:05 am -
1 stop16h 10m
Deal found 8/25![Delta logo]()
$396
This United Airlines deal was found by Cheapflights users on 8/29. 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 12/246:27 pm -
2 stops19h 43m
Deal found 8/29![United Airlines logo]()
$404
This Air Canada deal was found by Cheapflights users on 8/26. 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.
Thu 11/265:00 am -
2 stops20h 55m
Deal found 8/26![Air Canada logo]()
$405
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 August 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $747 (Kissandfly.com) |
One-way from | $343 (American Airlines) |
Popular in | June |
Cheapest in | October |
Average price | $863 |
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 7,457,451 searches. Data last updated August 30, 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 Ontario - FCO Rome Fiumicino
ONTFCO
Ontario
Sun 12/6
7:05 am-8:15 am
1 stop16h 10m
Rome Fiumicino
Tue 12/22
10:25 am-8:31 pm
1 stop19h 06m
$754
OntarioRome
ONT Ontario - FCO Rome Fiumicino
ONTFCO
Ontario
Mon 2/1
7:00 am-11:20 am
1 stop19h 20m
Rome Fiumicino
Fri 2/19
6:10 am-11:48 pm
2 stops26h 38m
$768
Quickest round-trip
OntarioRome
ONT Ontario - FCO Rome Fiumicino
ONTFCO
Ontario
Sun 10/18
1:24 pm-12:20 pm
1 stop13h 56m
Rome Fiumicino
Tue 11/3
1:55 pm-8:51 pm
1 stop15h 56m
$809
OntarioRome
ONT Ontario - FCO Rome Fiumicino
ONTFCO
Ontario
Sat 2/6
6:53 pm-1:15 pm
2 stops33h 22m
Rome Fiumicino
Sun 2/21
2:10 pm-11:06 pm
2 stops17h 56m
$831
OntarioRome
ONT Ontario - FCO Rome Fiumicino
ONTFCO
Ontario
Sat 10/3
4:03 pm-1:40 pm
1 stop36h 37m
Rome Fiumicino
Wed 10/14
6:50 am-8:31 pm
2 stops22h 41m
$862
OntarioRome
ONT Ontario - FCO Rome Fiumicino
ONTFCO
Ontario
Thu 11/5
7:00 am-7:45 am
1 stop15h 45m
Rome Fiumicino
Thu 11/12
9:45 am-6:47 pm
1 stop18h 02m
$863
OntarioRome
ONT Ontario - FCO Rome Fiumicino
ONTFCO
Ontario
Fri 2/19
6:45 am-7:45 am
1 stop16h 00m
Rome Fiumicino
Sat 2/27
1:30 pm-11:06 pm
2 stops18h 36m
$866
OntarioRome
ONT Ontario - FCO Rome Fiumicino
ONTFCO
Ontario
Thu 1/14
12:00 pm-11:20 am
1 stop14h 20m
Rome Fiumicino
Sun 1/24
1:30 pm-10:14 pm
1 stop17h 44m
$868
OntarioRome
ONT Ontario - FCO Rome Fiumicino
ONTFCO
Ontario
Fri 9/25
6:00 am-10:10 am
1 stop19h 10m
Rome Fiumicino
Fri 10/2
12:45 pm-11:47 pm
2 stops20h 02m
$923
OntarioRome
ONT Ontario - FCO Rome Fiumicino
ONTFCO
Ontario
Wed 10/7
6:20 am-10:10 am
1 stop18h 50m
Rome Fiumicino
Sat 10/24
6:30 am-10:43 pm
2 stops25h 13m
$929
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 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.
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 August 30, 2026.
Read reviews from past customers who have flown Delta and United Airlines 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.
Boarding
8.1
Food
7.2
Overall
7.8
Entertainment
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Overall
7.8
Entertainment
7.8
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Overall
7.8
Entertainment
7.8
Crew
8.5
Comfort
7.8
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
Civitavecchia
Montepulciano
Santa Marinella
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Other flights to Leonardo da Vinci/Fiumicino
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Top 2 airlines flying from Ontario to Leonardo da Vinci/Fiumicino
Discover the top 2 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 7,457,451 searches. Data last updated August 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$479 | Average$859 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$508 | Average$727 | FlexibilityNo cancel fee | On-time69% |