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$274+ Cheap flights from Ontario (ONT) to Italy

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — NAP
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Ontario to Italy

Keep the following information in mind while searching for Ontario to Italy flight deals. Data was last updated September 11, 2025.

Round-trip from

$422
(Delta)

One-way from

$274
(Delta)

Popular in

June

Cheapest in

February

Average price

$745
From Ontario to Italy
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One-way flight from Ontario to Italy
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Highest demand for flights based on searches. 14% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Italy

Cheapest flights from Ontario to Italy
Explore the most affordable flight options available from Ontario to Italy. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. 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 10/277:35 amONT - VCE
2 stops18h 45mDelta
Tue 11/116:10 amVCE - ONT
2 stops19h 59mDelta
Deal found 9/11$422
This Delta deal was found by Cheapflights users on 9/11. 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 10/291:15 pmONT - VCE
2 stops19h 40mDelta
Tue 11/46:10 amVCE - ONT
2 stops25h 12mDelta
Deal found 9/11$449
This lol.travel deal was found by Cheapflights users on 9/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:00 amONT - MXP
1 stop22h 05mUnited Airlines
Tue 11/119:45 amMXP - ONT
2 stops19h 59mUnited Airlines
Deal found 9/10$454
This Finnair deal was found by Cheapflights users on 9/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1610:47 amONT - FCO
1 stop14h 58mMultiple Airlines
Thu 12/41:00 pmFCO - ONT
1 stop18h 19mMultiple Airlines
Deal found 9/10$456
This oojo deal was found by Cheapflights users on 9/10. 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 11/1512:46 pmONT - FCO
1 stop36h 59mBritish Airways
Thu 12/41:00 pmFCO - ONT
1 stop18h 19mBritish Airways
Deal found 9/10$461
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 11/127:00 amONT - MXP
2 stops17h 55mUnited Airlines
Fri 12/121:05 pmMXP - ONT
3 stops42h 44mUnited Airlines
Deal found 9/10$468
This oojo deal was found by Cheapflights users on 9/10. 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 11/164:47 pmONT - FCO
2 stops18h 08mBritish Airways
Thu 12/41:00 pmFCO - ONT
1 stop19h 55mBritish Airways
Deal found 9/10$470
This Delta deal was found by Cheapflights users on 9/11. 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 12/87:05 amONT - FCO
1 stop15h 50mDelta
Wed 12/1712:40 pmFCO - ONT
1 stop19h 23mDelta
Deal found 9/11$475
This lol.travel deal was found by Cheapflights users on 9/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/199:36 amONT - FCO
1 stop18h 44mUnited Airlines
Tue 11/412:20 pmFCO - ONT
2 stops19h 31mUnited Airlines
Deal found 9/10$482
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/197:02 amONT - MXP
1 stop21h 18mUnited Airlines
Thu 11/63:05 pmMXP - ONT
1 stop16h 26mUnited Airlines
Deal found 9/10$491
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 11/57:00 amONT - MXP
1 stop21h 05mUnited Airlines
Wed 12/109:45 amMXP - ONT
2 stops19h 57mUnited Airlines
Deal found 9/10$495
This Delta deal was found by Cheapflights users on 9/11. 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 10/301:15 pmONT - VCE
2 stops19h 40mDelta
Tue 11/46:10 amVCE - ONT
2 stops20h 00mDelta
Deal found 9/11$499

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Italy 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 September 11, 2025.
Use the filters below to find and compare flights from Ontario to Italy that are best for you.

Fly from

Ontario

Fly to

Italy

Route

Depart

Return

Price

OntarioVenice

ONT - VCE

ONTVCE

Ontario

Mon 10/27

7:35 am-10:20 am

2 stops18h 45m

Venice Marco Polo

Tue 11/11

6:10 am-5:09 pm

2 stops19h 59m

$422

OntarioVenice

ONT - VCE

ONTVCE

Ontario

Wed 10/29

1:15 pm-4:55 pm

2 stops19h 40m

Venice Marco Polo

Tue 11/4

6:10 am-10:22 pm

2 stops25h 12m

$449

OntarioRome

ONT - FCO

ONTFCO

Ontario

Wed 12/10

10:47 am-10:35 am

1 stop14h 48m

Rome Fiumicino

Wed 12/24

1:00 pm-10:14 pm

1 stop18h 14m

$456

OntarioRome

ONT - FCO

ONTFCO

Ontario

Wed 2/25

7:00 am-7:45 am

1 stop15h 45m

Rome Fiumicino

Tue 3/3

1:05 pm-8:17 pm

2 stops40h 12m

$490

OntarioMilan

ONT - MXP

ONTMXP

Ontario

Mon 11/10

7:00 am-9:55 am

2 stops17h 55m

Milan Malpensa

Wed 11/19

3:05 pm-10:31 pm

1 stop16h 26m

$491

OntarioMilan

ONT - MXP

ONTMXP

Ontario

Tue 3/10

5:40 am-8:55 am

2 stops19h 15m

Milan Malpensa

Tue 3/24

9:45 am-8:17 pm

2 stops18h 32m

$495

OntarioMilan

ONT - MXP

ONTMXP

Ontario

Wed 2/11

5:05 am-9:55 am

2 stops19h 50m

Milan Malpensa

Wed 2/25

9:45 am-10:26 pm

2 stops21h 41m

$495

OntarioMilan

ONT - MXP

ONTMXP

Ontario

Wed 11/5

7:00 am-9:55 am

2 stops17h 55m

Milan Malpensa

Wed 12/10

9:45 am-10:49 pm

3 stops22h 04m

$495

OntarioMilan

ONT - MXP

ONTMXP

Ontario

Tue 2/10

5:05 am-9:55 am

2 stops19h 50m

Milan Malpensa

Tue 2/24

9:45 am-10:26 pm

2 stops21h 41m

$495

OntarioVenice

ONT - VCE

ONTVCE

Ontario

Thu 10/30

1:15 pm-4:55 pm

2 stops19h 40m

Venice Marco Polo

Tue 11/4

6:10 am-5:10 pm

2 stops20h 00m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Italy

Have a flexible travel schedule? Discover the best time to fly to Italy from Ontario with our price prediction graph.
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 Italy

What is the cheapest month to book a flight from Ontario to Italy?

Currently, January is the cheapest month in which you can book a flight from Ontario to Italy (average of $703). Flying from Ontario to Italy in June is currently the most expensive (average of $1,202). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to IT?

Find hourly flight availability from Ontario to Italy. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Italy as you normally would.

Reviews of airlines servicing Italy

Get insights into the airlines that provide service to Italy. 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 Italy. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Ontario to Italy, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,385 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Italy. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Italy?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Italy from Ontario.

  • How long is the flight from Ontario to Italy?

    There are many flights that can get you from Ontario to Italy in 15h 45m. Fly via Delta, United Airlines, or KLM to get the fastest option. Airlines will cover a distance of 6303 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Ontario to Italy one-way?

    The cheapest airlines for a one-way flight from Ontario to Italy are Delta ($274), United Airlines ($275), and KLM ($353).

  • What are the most popular routes from Ontario to Italy?

    The most popular flight routes from Ontario to Italy are Ontario - Rome Fiumicino, Ontario - Milan Malpensa and Ontario - Florence Peretola.

  • Can I find deals for flights from Ontario to Italy that include hotel bookings?

    Yes. In addition to deals on Ontario to Italy flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Italy?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Italy.

  • Can I find deals for business class flights from Ontario to Italy?

    Yes. Cheapflights offers flight deals from Ontario to Italy by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Italy?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Italy (average of $703). Flying from Ontario to Italy in June is currently the most expensive (average of $1,202). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Ontario to Italy

Discover the top 4 airlines that operate flights from Ontario to Italy. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$448Average$674FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$514Average$613FlexibilityNo cancel feeOn-time70%
KLMCheapest$520Average$704FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$557Average$761FlexibilityNo cancel feeOn-time69%

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