What airlines fly to Italy?

ITA Airways, United Airlines and Lufthansa are the top three most popular airlines that fly to Italy from Ontario according to our data. ITA Airways is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Italy. Keep in mind that there are 22 different airlines that fly to Italy on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Italy?

British Airways, United Airlines, and Delta are the most popular carriers operating from Ontario to Italy

When did momondo last update prices for flights from Ontario Airport to Italy?

Prices for flights from Ontario Airport to Italy were last updated today.

How many operators does momondo search for flights from Ontario Airport to Italy?

As of September 2026, there are 2 operators available to choose from for flights from Ontario Airport to Italy.

How old do you have to be to fly from Ontario Airport to Italy?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Italy.

What documentation or ID do you need to fly to Italy?

The travel and health documents required for your trip to Italy can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Italy. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$311 Cheap Flights from Ontario to Italy in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Italy

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 10:45 amONT Ontario-MXP Milan Malpensa

18h 45m1 stop Atlanta Hartsfield-Jackson

12:55 pm - 10:14 pmMXP Milan Malpensa-ONT Ontario

18h 19m1 stop Atlanta Hartsfield-Jackson

$566KLM

Wed, Feb 10 - Tue, Feb 16

7:00 am - 10:45 amONT Ontario-MXP Milan Malpensa

18h 45m1 stop Atlanta Hartsfield-Jackson

12:55 pm - 10:14 pmMXP Milan Malpensa-ONT Ontario

18h 19m1 stop Atlanta Hartsfield-Jackson

$567Multiple Airlines

Tue, Feb 16 - Tue, Mar 2

12:16 pm - 9:50 amONT Ontario-MXP Milan Malpensa

60h 34m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

12:00 pm - 11:03 amMXP Milan Malpensa-ONT Ontario

32h 03m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$571Delta

Fri, Nov 6 - Tue, Nov 17

7:05 am - 12:15 pmONT Ontario-VCE Venice Marco Polo

20h 10m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

2:15 pm - 11:08 amVCE Venice Marco Polo-ONT Ontario

29h 53m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$577Delta

Wed, Dec 2 - Tue, Dec 8

7:05 am - 12:15 pmONT Ontario-VCE Venice Marco Polo

20h 10m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

2:15 pm - 11:08 amVCE Venice Marco Polo-ONT Ontario

29h 53m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$577Delta

Wed, Dec 2 - Thu, Dec 10

12:00 pm - 11:20 amONT Ontario-FCO Rome Fiumicino

14h 20m1 stop Atlanta Hartsfield-Jackson

1:30 pm - 10:14 pmFCO Rome Fiumicino-ONT Ontario

17h 44m1 stop Atlanta Hartsfield-Jackson

$605Multiple Airlines

Wed, Jan 20 - Wed, Feb 3

12:00 pm - 5:10 pmONT Ontario-BLQ Bologna Guglielmo Marconi

20h 10m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

6:00 am - 10:43 pmBLQ Bologna Guglielmo Marconi-ONT Ontario

25h 43m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

$607Air France

Sun, Jan 24 - Fri, Feb 5

11:20 am - 5:45 pmONT Ontario-NAP Naples

21h 25m2 stops San Francisco Frankfurt am Main

2:15 pm - 8:38 pmNAP Naples-ONT Ontario

39h 23m2 stops Frankfurt am Main San Francisco

$729United Airlines

Wed, Dec 2 - Tue, Dec 8

11:20 am - 5:45 pmONT Ontario-NAP Naples

21h 25m2 stops San Francisco Frankfurt am Main

2:15 pm - 11:06 pmNAP Naples-ONT Ontario

17h 51m2 stops Frankfurt am Main San Francisco

$735United Airlines

Wed, Mar 3 - Wed, Mar 10

11:20 am - 5:45 pmONT Ontario-NAP Naples

21h 25m2 stops San Francisco Frankfurt am Main

2:15 pm - 11:06 pmNAP Naples-ONT Ontario

17h 51m2 stops Frankfurt am Main San Francisco

$735United Airlines

Wed, Mar 3 - Wed, Mar 10

Cheap last minute flights

Enter your travel dates to find the best prices.

10:00 pm - 6:45 amONT Ontario-MXP Milan Malpensa

23h 45m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

2:15 pm - 11:06 amMXP Milan Malpensa-ONT Ontario

29h 51m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$688Delta

Fri, Sep 25 - Wed, Oct 7

10:00 pm - 6:45 amONT Ontario-MXP Milan Malpensa

47h 45m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

2:15 pm - 11:06 amMXP Milan Malpensa-ONT Ontario

29h 51m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$701Delta

Thu, Sep 24 - Wed, Oct 7

6:00 am - 10:10 amONT Ontario-FCO Rome Fiumicino

19h 10m1 stop Seattle/Tacoma Intl

12:20 pm - 10:43 pmFCO Rome Fiumicino-ONT Ontario

19h 23m1 stop Seattle/Tacoma Intl

$706Delta

Mon, Sep 28 - Thu, Oct 15

12:19 pm - 12:40 pmONT Ontario-FCO Rome Fiumicino

15h 21m1 stop Atlanta Hartsfield-Jackson

12:20 pm - 10:43 pmFCO Rome Fiumicino-ONT Ontario

19h 23m1 stop Seattle/Tacoma Intl

$706Delta

Sun, Sep 27 - Thu, Oct 15

6:00 am - 11:40 amONT Ontario-NAP Naples

20h 40m2 stops Houston George Bush Intcntl Newark

6:00 am - 8:58 pmNAP Naples-ONT Ontario

23h 58m2 stops Frankfurt am Main Denver Intl

$776United Airlines

Tue, Sep 22 - Thu, Oct 1

6:15 am - 1:00 pmONT Ontario-NAP Naples

21h 45m2 stops Phoenix Sky Harbor Intl Philadelphia

3:00 pm - 12:06 pmNAP Naples-ONT Ontario

30h 06m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

$831American Airlines

Wed, Sep 23 - Sat, Oct 3

9:01 am - 1:40 pmONT Ontario-FCO Rome Fiumicino

19h 39m1 stop San Francisco

2:20 pm - 8:58 pmFCO Rome Fiumicino-ONT Ontario

15h 38m1 stop Denver Intl

$857United Airlines

Wed, Sep 23 - Wed, Sep 30

9:01 am - 1:40 pmONT Ontario-FCO Rome Fiumicino

19h 39m1 stop San Francisco

3:40 pm - 10:51 pmFCO Rome Fiumicino-ONT Ontario

16h 11m1 stop San Francisco

$857United Airlines

Wed, Sep 23 - Thu, Oct 1

12:12 pm - 1:15 pmONT Ontario-FCO Rome Fiumicino

16h 03m1 stop Seattle/Tacoma Intl

3:15 pm - 11:16 amFCO Rome Fiumicino-ONT Ontario

29h 01m1 stop Seattle/Tacoma Intl

$937Alaska Airlines

Sun, Sep 27 - Tue, Sep 29

3:14 pm - 1:15 pmONT Ontario-FCO Rome Fiumicino

37h 01m1 stop Seattle/Tacoma Intl

3:15 pm - 11:16 amFCO Rome Fiumicino-ONT Ontario

29h 01m1 stop Seattle/Tacoma Intl

$943Alaska Airlines

Sat, Sep 26 - Tue, Sep 29

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Delta flights from Ontario to Italy

Our best Delta deals on Ontario to Italy flight tickets

Delta

Nov 6

ONT12:16 pmOntario

60h 34m

2 stops

MXP9:50 amMilan Malpensa

Nov 17

MXP12:00 pmMilan Malpensa

32h 03m

2 stops

ONT11:03 amOntario

$571

Delta

Dec 2

ONT7:05 amOntario

20h 10m

2 stops

VCE12:15 pmVenice Marco Polo

Dec 8

VCE2:15 pmVenice Marco Polo

29h 53m

2 stops

ONT11:08 amOntario

$577

Delta

Dec 2

ONT7:00 amOntario

31h 00m

2 stops

MXP11:00 pmMilan Malpensa

Dec 8

MXP12:55 pmMilan Malpensa

17h 03m

1 stop

ONT8:58 pmOntario

$580

United Airlines flights from Ontario to Italy

Our best United Airlines deals on Ontario to Italy flight tickets

United Airlines

Mar 2

ONT6:00 amOntario

19h 05m

2 stops

MXP10:05 amMilan Malpensa

Mar 5

MXP12:55 pmMilan Malpensa

38h 49m

2 stops

ONT6:44 pmOntario

$700

United Airlines

Mar 2

ONT6:30 amOntario

16h 00m

2 stops

MXP7:30 amMilan Malpensa

Mar 5

MXP12:55 pmMilan Malpensa

38h 49m

2 stops

ONT6:44 pmOntario

$701

United Airlines

Jan 20

ONT5:00 amOntario

17h 30m

2 stops

MXP7:30 amMilan Malpensa

Feb 3

MXP9:45 amMilan Malpensa

20h 55m

2 stops

ONT9:40 pmOntario

$721

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 2/10

7:00 am-10:45 am

1 stop18h 45m

Milan Malpensa

Tue 2/16

12:55 pm-10:14 pm

1 stop18h 19m

$566

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Tue 2/16

7:00 am-10:45 am

1 stop18h 45m

Milan Malpensa

Tue 3/2

12:55 pm-10:14 pm

1 stop18h 19m

$567

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Fri 11/6

12:16 pm-9:50 am

2 stops60h 34m

Milan Malpensa

Tue 11/17

12:00 pm-11:03 am

2 stops32h 03m

$571

OntarioVenice

ONT Ontario - VCE Venice Marco Polo

ONTVCE

Ontario

Wed 12/2

7:05 am-12:15 pm

2 stops20h 10m

Venice Marco Polo

Tue 12/8

2:15 pm-11:08 am

2 stops29h 53m

$577

OntarioVenice

ONT Ontario - VCE Venice Marco Polo

ONTVCE

Ontario

Wed 12/2

7:05 am-12:15 pm

2 stops20h 10m

Venice Marco Polo

Thu 12/10

2:15 pm-11:08 am

2 stops29h 53m

$577

Quickest round-trip

OntarioRome

ONT Ontario - FCO Rome Fiumicino

ONTFCO

Ontario

Wed 1/20

12:00 pm-11:20 am

1 stop14h 20m

Rome Fiumicino

Wed 2/3

1:30 pm-10:14 pm

1 stop17h 44m

$605

OntarioBologna

ONT Ontario - BLQ Bologna Guglielmo Marconi

ONTBLQ

Ontario

Sun 1/24

12:00 pm-5:10 pm

2 stops20h 10m

Bologna Guglielmo Marconi

Fri 2/5

6:00 am-10:43 pm

2 stops25h 43m

$607

OntarioNaples

ONT Ontario - NAP Naples

ONTNAP

Ontario

Wed 12/2

11:20 am-5:45 pm

2 stops21h 25m

Naples

Tue 12/8

2:15 pm-8:38 pm

2 stops39h 23m

$729

OntarioNaples

ONT Ontario - NAP Naples

ONTNAP

Ontario

Wed 3/3

11:20 am-5:45 pm

2 stops21h 25m

Naples

Wed 3/10

2:15 pm-11:06 pm

2 stops17h 51m

$735

OntarioNaples

ONT Ontario - NAP Naples

ONTNAP

Ontario

Wed 3/3

11:20 am-5:45 pm

2 stops21h 25m

Naples

Wed 3/10

2:15 pm-11:06 pm

2 stops17h 51m

$735

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Italy

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Italy?

The cheapest month to fly to Italy from Ontario is in January. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Italy from Ontario during October instead. Flights to Italy in October, while not as cheap as those in January, still average around $595.

Can stopping save me money on Ontario to Italy flights?

You could potentially save up to 46% on your flight if you consider stops on a Ontario to Italy flight.

Cheap Ontario to Italy flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Italy

Best Price Found	$311
Fastest flight time	13h 45m
Direct flights	None

The best one-way flight to Italy from Ontario in the past 72 hours is $311. The best round-trip flight deal from Ontario to Italy found on momondo in the last 72 hours is $566.

The fastest flight from Ontario to Italy takes 13h 45m

There are no direct flights from Ontario to Italy. There are no popular flight routes from Ontario to Italy.

Search flight deals

Frequently asked questions about flying from Ontario to Italy

When did momondo last update prices for flights from Ontario Airport to Italy?
Prices for flights from Ontario Airport to Italy were last updated today.
How many operators does momondo search for flights from Ontario Airport to Italy?
As of September 2026, there are 2 operators available to choose from for flights from Ontario Airport to Italy.
How old do you have to be to fly from Ontario Airport to Italy?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Italy.
What documentation or ID do you need to fly to Italy?
The travel and health documents required for your trip to Italy can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Italy. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Italy

Compare and see reviews for airlines that fly from Ontario to Italy with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $480	Free Cancellation	Rating 7.8 8,593 reviews		Search Delta flights
United Airlines	PriceFrom $508	Free Cancellation	Rating 7.4 10,220 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Italy?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Italy from Ontario.

Can I find flights from Ontario to Italy with flexible booking policies on momondo?

All flight searches from Ontario to Italy on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Italy?

momondo provides multiple filters to help you find the best flight to Italy from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Italy right now. Can momondo alert me if prices change?

Price alerts on flights to Italy from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.