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 21 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?

United Airlines, Delta, and British Airways 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 November 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.

$255 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.

7:05 am - 10:45 amONT Ontario-MXP Milan Malpensa

18h 40m1 stop Atlanta Hartsfield-Jackson

12:55 pm - 8:58 pmMXP Milan Malpensa-ONT Ontario

17h 03m1 stop Atlanta Hartsfield-Jackson

$671Delta

Wed, Dec 2 - Tue, Dec 15

11:14 am - 10:45 amONT Ontario-MXP Milan Malpensa

14h 31m1 stop Atlanta Hartsfield-Jackson

12:55 pm - 9:44 pmMXP Milan Malpensa-ONT Ontario

17h 49m1 stop Atlanta Hartsfield-Jackson

$672Delta

Wed, Dec 30 - Thu, Jan 14

7:05 am - 10:45 amONT Ontario-MXP Milan Malpensa

18h 40m1 stop Atlanta Hartsfield-Jackson

12:55 pm - 9:44 pmMXP Milan Malpensa-ONT Ontario

17h 49m1 stop Atlanta Hartsfield-Jackson

$677Delta

Wed, Feb 3 - Fri, Feb 19

7:05 am - 10:45 amONT Ontario-MXP Milan Malpensa

18h 40m1 stop Atlanta Hartsfield-Jackson

6:30 am - 4:22 pmMXP Milan Malpensa-ONT Ontario

18h 52m2 stops Paris Charles de Gaulle Salt Lake City

$696Delta

Mon, Dec 7 - Wed, Dec 16

11:59 pm - 12:35 pmONT Ontario-MXP Milan Malpensa

27h 36m2 stops Dallas/Fort Worth Madrid Barajas

10:15 am - 9:42 amMXP Milan Malpensa-ONT Ontario

32h 27m2 stops Madrid Barajas Dallas/Fort Worth

$698Multiple Airlines

Mon, Nov 30 - Mon, Dec 7

11:59 pm - 7:45 pmONT Ontario-MXP Milan Malpensa

34h 46m2 stops Dallas/Fort Worth London Heathrow

8:55 pm - 9:42 amMXP Milan Malpensa-ONT Ontario

45h 47m2 stops London Heathrow Dallas/Fort Worth

$708British Airways

Mon, Nov 30 - Mon, Dec 7

2:23 pm - 7:45 pmONT Ontario-MXP Milan Malpensa

20h 22m2 stops Dallas/Fort Worth London Heathrow

11:35 am - 10:31 pmMXP Milan Malpensa-ONT Ontario

19h 56m2 stops London Heathrow Dallas/Fort Worth

$709British Airways

Tue, Feb 2 - Tue, Feb 16

7:00 am - 7:45 amONT Ontario-FCO Rome Fiumicino

15h 45m1 stop Chicago O'Hare Intl

9:45 am - 10:31 pmFCO Rome Fiumicino-ONT Ontario

21h 46m1 stop Chicago O'Hare Intl

$729United Airlines

Tue, Dec 8 - Fri, Dec 25

7:00 am - 7:45 amONT Ontario-FCO Rome Fiumicino

15h 45m1 stop Chicago O'Hare Intl

9:45 am - 10:31 pmFCO Rome Fiumicino-ONT Ontario

21h 46m1 stop Chicago O'Hare Intl

$729United Airlines

Sun, Dec 13 - Fri, Dec 25

7:00 am - 7:45 amONT Ontario-FCO Rome Fiumicino

15h 45m1 stop Chicago O'Hare Intl

9:45 am - 10:31 pmFCO Rome Fiumicino-ONT Ontario

21h 46m1 stop Chicago O'Hare Intl

$729United Airlines

Wed, Dec 9 - Fri, Dec 25

Cheap last minute flights

Enter your travel dates to find the best prices.

7:05 am - 10:45 amONT Ontario-MXP Milan Malpensa

18h 40m1 stop Atlanta Hartsfield-Jackson

12:55 pm - 9:55 pmMXP Milan Malpensa-ONT Ontario

18h 00m1 stop Atlanta Hartsfield-Jackson

$671Delta

Mon, Nov 9 - Thu, Dec 3

11:05 pm - 10:45 amONT Ontario-MXP Milan Malpensa

26h 40m1 stop Atlanta Hartsfield-Jackson

12:55 pm - 9:55 pmMXP Milan Malpensa-ONT Ontario

18h 00m1 stop Atlanta Hartsfield-Jackson

$676Delta

Sun, Nov 8 - Thu, Dec 3

7:07 am - 8:15 amONT Ontario-FCO Rome Fiumicino

16h 08m1 stop Atlanta Hartsfield-Jackson

10:25 am - 8:54 pmFCO Rome Fiumicino-ONT Ontario

19h 29m1 stop Atlanta Hartsfield-Jackson

$724Delta

Sun, Nov 8 - Tue, Nov 24

6:00 am - 7:30 amONT Ontario-MXP Milan Malpensa

16h 30m2 stops Houston George Bush Intcntl Newark

11:20 am - 9:59 pmMXP Milan Malpensa-ONT Ontario

19h 39m2 stops Frankfurt am Main Houston George Bush Intcntl

$727United Airlines

Mon, Nov 9 - Thu, Dec 3

7:05 am - 10:45 amONT Ontario-MXP Milan Malpensa

18h 40m1 stop Atlanta Hartsfield-Jackson

12:55 pm - 8:58 pmMXP Milan Malpensa-ONT Ontario

17h 03m1 stop Atlanta Hartsfield-Jackson

$731Delta

Mon, Nov 9 - Tue, Dec 1

1:29 pm - 11:55 amONT Ontario-FCO Rome Fiumicino

13h 26m1 stop Denver Intl

1:55 pm - 8:51 pmFCO Rome Fiumicino-ONT Ontario

15h 56m1 stop Denver Intl

$735United Airlines

Mon, Nov 9 - Fri, Nov 20

10:30 am - 10:45 amONT Ontario-FCO Rome Fiumicino

15h 15m1 stop Dallas/Fort Worth

1:10 pm - 10:36 pmFCO Rome Fiumicino-ONT Ontario

18h 26m1 stop Dallas/Fort Worth

$735British Airways

Mon, Nov 9 - Fri, Nov 20

1:29 pm - 11:55 amONT Ontario-FCO Rome Fiumicino

13h 26m1 stop Denver Intl

1:55 pm - 8:51 pmFCO Rome Fiumicino-ONT Ontario

15h 56m1 stop Denver Intl

$735United Airlines

Sun, Nov 8 - Wed, Nov 18

6:00 am - 6:00 pmONT Ontario-FCO Rome Fiumicino

27h 00m2 stops San Francisco Munich Franz Josef Strauss

9:55 am - 8:15 pmFCO Rome Fiumicino-ONT Ontario

19h 20m2 stops Frankfurt am Main San Francisco

$736Lufthansa

Sun, Nov 8 - Tue, Nov 24

1:29 pm - 11:55 amONT Ontario-FCO Rome Fiumicino

13h 26m1 stop Denver Intl

9:55 am - 8:15 pmFCO Rome Fiumicino-ONT Ontario

19h 20m2 stops Frankfurt am Main San Francisco

$736Lufthansa

Sun, Nov 8 - Tue, Nov 24

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Delta flights from Ontario to Italy

Our best Delta deals on Ontario to Italy flight tickets

Delta

Nov 9

ONT7:05 amOntario

18h 40m

1 stop

MXP10:45 amMilan Malpensa

Dec 3

MXP12:55 pmMilan Malpensa

18h 00m

1 stop

ONT9:55 pmOntario

$671

Delta

Dec 30

ONT11:14 amOntario

14h 31m

1 stop

MXP10:45 amMilan Malpensa

Jan 12

MXP12:55 pmMilan Malpensa

17h 49m

1 stop

ONT9:44 pmOntario

$672

Delta

Nov 8

ONT11:05 pmOntario

26h 40m

1 stop

MXP10:45 amMilan Malpensa

Dec 3

MXP12:55 pmMilan Malpensa

18h 00m

1 stop

ONT9:55 pmOntario

$676

United Airlines flights from Ontario to Italy

Our best United Airlines deals on Ontario to Italy flight tickets

United Airlines

Nov 24

ONT9:25 amOntario

18h 50m

2 stops

MXP1:15 pmMilan Malpensa

Dec 8

MXP11:20 amMilan Malpensa

19h 39m

2 stops

ONT9:59 pmOntario

$727

United Airlines

Dec 8

ONT7:00 amOntario

15h 45m

1 stop

FCO7:45 amRome Fiumicino

Dec 25

FCO9:45 amRome Fiumicino

21h 46m

1 stop

ONT10:31 pmOntario

$729

United Airlines

Feb 3

ONT5:00 amOntario

17h 30m

2 stops

MXP7:30 amMilan Malpensa

Feb 17

MXP9:45 amMilan Malpensa

20h 32m

2 stops

ONT9:17 pmOntario

$731

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 12/2

7:05 am-10:45 am

1 stop18h 40m

Milan Malpensa

Tue 12/15

12:55 pm-8:58 pm

1 stop17h 03m

$671

Quickest round-trip

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 12/30

11:14 am-10:45 am

1 stop14h 31m

Milan Malpensa

Thu 1/14

12:55 pm-9:44 pm

1 stop17h 49m

$672

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 2/3

7:05 am-10:45 am

1 stop18h 40m

Milan Malpensa

Fri 2/19

12:55 pm-9:44 pm

1 stop17h 49m

$677

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Mon 12/7

7:05 am-10:45 am

1 stop18h 40m

Milan Malpensa

Wed 12/16

6:30 am-4:22 pm

2 stops18h 52m

$696

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Mon 11/30

11:59 pm-12:35 pm

2 stops27h 36m

Milan Malpensa

Mon 12/7

10:15 am-9:42 am

2 stops32h 27m

$698

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Mon 11/30

11:59 pm-7:45 pm

2 stops34h 46m

Milan Malpensa

Mon 12/7

8:55 pm-9:42 am

2 stops45h 47m

$708

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Tue 2/2

2:23 pm-7:45 pm

2 stops20h 22m

Milan Malpensa

Tue 2/16

11:35 am-10:31 pm

2 stops19h 56m

$709

OntarioRome

ONT Ontario - FCO Rome Fiumicino

ONTFCO

Ontario

Tue 12/8

7:00 am-7:45 am

1 stop15h 45m

Rome Fiumicino

Fri 12/25

9:45 am-10:31 pm

1 stop21h 46m

$729

OntarioRome

ONT Ontario - FCO Rome Fiumicino

ONTFCO

Ontario

Sun 12/13

7:00 am-7:45 am

1 stop15h 45m

Rome Fiumicino

Fri 12/25

9:45 am-10:31 pm

1 stop21h 46m

$729

OntarioRome

ONT Ontario - FCO Rome Fiumicino

ONTFCO

Ontario

Wed 12/9

7:00 am-7:45 am

1 stop15h 45m

Rome Fiumicino

Fri 12/25

9:45 am-10:31 pm

1 stop21h 46m

$729

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 August. Flight prices, which tend to average around $546, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Italy from Ontario during February instead. Flights to Italy in February, while not as cheap as those in August, still average around $693.

Can stopping save me money on Ontario to Italy flights?

You could potentially save up to 32% 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	$255
Fastest flight time	13h 26m
Direct flights	None

The best one-way flight to Italy from Ontario in the past 72 hours is $255. The best round-trip flight deal from Ontario to Italy found on momondo in the last 72 hours is $671.

The fastest flight from Ontario to Italy takes 13h 26m

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 November 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
United Airlines	PriceFrom $518	Free Cancellation	Rating 7.3 10,460 reviews		Search United Airlines flights
Delta	PriceFrom $723	Free Cancellation	Rating 7.8 8,696 reviews		Search Delta 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.