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

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

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.

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.

$329 Cheap Flights from Ontario to Italy in 2026

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.

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

14h 35m1 stop Atlanta Hartsfield-Jackson

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

18h 19m1 stop Atlanta Hartsfield-Jackson

$712Delta

Wed, Dec 30 - Thu, Jan 14

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

14h 35m1 stop Atlanta Hartsfield-Jackson

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

18h 19m1 stop Atlanta Hartsfield-Jackson

$712Delta

Wed, Dec 30 - Tue, Jan 12

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

14h 35m1 stop Atlanta Hartsfield-Jackson

12:00 pm - 10:14 pmMXP Milan Malpensa-ONT Ontario

19h 14m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$716Multiple Airlines

Wed, Dec 30 - Wed, Jan 13

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

18h 45m1 stop Atlanta Hartsfield-Jackson

12:20 pm - 10:14 pmMXP Milan Malpensa-ONT Ontario

17h 54m1 stop Atlanta Hartsfield-Jackson

$717KLM

Tue, Mar 2 - Tue, Mar 16

12:00 pm - 10:45 amONT Ontario-MXP Milan Malpensa

13h 45m1 stop Atlanta Hartsfield-Jackson

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

18h 19m1 stop Atlanta Hartsfield-Jackson

$717Multiple Airlines

Wed, Feb 10 - Wed, Mar 10

6:00 am - 10:05 amONT Ontario-MXP Milan Malpensa

19h 05m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl

9:45 am - 8:20 pmMXP Milan Malpensa-ONT Ontario

18h 35m2 stops Newark Denver Intl

$720United Airlines

Tue, Mar 2 - Tue, Mar 16

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

16h 30m2 stops San Francisco Newark

9:45 am - 9:21 pmMXP Milan Malpensa-ONT Ontario

20h 36m2 stops Newark Houston George Bush Intcntl

$721United Airlines

Wed, Feb 3 - Wed, Feb 17

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

16h 30m2 stops San Francisco Newark

9:45 am - 8:20 pmMXP Milan Malpensa-ONT Ontario

19h 35m2 stops Newark Denver Intl

$721United Airlines

Tue, Feb 2 - Tue, Feb 16

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

17h 08m1 stop Atlanta Hartsfield-Jackson

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

19h 29m1 stop Atlanta Hartsfield-Jackson

$755Delta

Sun, Oct 25 - Tue, Nov 10

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

17h 08m1 stop Atlanta Hartsfield-Jackson

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

19h 29m1 stop Atlanta Hartsfield-Jackson

$758Delta

Sun, Oct 25 - Tue, Nov 10

Cheap last minute flights

Enter your travel dates to find the best prices.

1:18 pm - 7:35 amONT Ontario-FCO Rome Fiumicino

33h 17m2 stops Denver Intl Newark

11:30 am - 12:50 pmFCO Rome Fiumicino-ONT Ontario

34h 20m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl

$842United Airlines

Sat, Sep 5 - Tue, Sep 15

1:18 pm - 12:20 pmONT Ontario-FCO Rome Fiumicino

14h 02m1 stop Denver Intl

2:20 pm - 8:53 pmFCO Rome Fiumicino-ONT Ontario

15h 33m1 stop Denver Intl

$857United Airlines

Sun, Sep 6 - Fri, Sep 18

7:05 am - 10:50 amONT Ontario-FCO Rome Fiumicino

18h 45m1 stop Atlanta Hartsfield-Jackson

9:45 am - 8:24 pmFCO Rome Fiumicino-ONT Ontario

19h 39m1 stop Atlanta Hartsfield-Jackson

$857Delta

Mon, Sep 7 - Wed, Sep 23

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

19h 10m1 stop Seattle/Tacoma Intl

9:45 am - 8:24 pmFCO Rome Fiumicino-ONT Ontario

19h 39m1 stop Atlanta Hartsfield-Jackson

$857Delta

Wed, Sep 9 - Wed, Sep 23

7:00 am - 7:55 amONT Ontario-FCO Rome Fiumicino

15h 55m1 stop Chicago O'Hare Intl

2:20 pm - 8:53 pmFCO Rome Fiumicino-ONT Ontario

15h 33m1 stop Denver Intl

$857United Airlines

Tue, Sep 8 - Tue, Sep 15

1:18 pm - 12:20 pmONT Ontario-FCO Rome Fiumicino

14h 02m1 stop Denver Intl

2:20 pm - 8:53 pmFCO Rome Fiumicino-ONT Ontario

15h 33m1 stop Denver Intl

$857United Airlines

Mon, Sep 7 - Fri, Sep 18

6:17 am - 10:10 amONT Ontario-FCO Rome Fiumicino

18h 53m1 stop Seattle/Tacoma Intl

9:45 am - 8:24 pmFCO Rome Fiumicino-ONT Ontario

19h 39m1 stop Atlanta Hartsfield-Jackson

$857Delta

Sun, Sep 6 - Wed, Sep 23

6:02 am - 1:15 pmONT Ontario-FCO Rome Fiumicino

22h 13m1 stop Seattle/Tacoma Intl

3:15 pm - 11:24 pmFCO Rome Fiumicino-ONT Ontario

17h 09m1 stop Seattle/Tacoma Intl

$885Alaska Airlines

Tue, Sep 8 - Thu, Sep 10

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

16h 03m1 stop Seattle/Tacoma Intl

3:15 pm - 7:03 pmFCO Rome Fiumicino-ONT Ontario

36h 48m1 stop Seattle/Tacoma Intl

$891Alaska Airlines

Tue, Sep 8 - Wed, Sep 9

7:59 pm - 1:15 pmONT Ontario-FCO Rome Fiumicino

32h 16m1 stop Seattle/Tacoma Intl

3:15 pm - 11:24 pmFCO Rome Fiumicino-ONT Ontario

17h 09m1 stop Seattle/Tacoma Intl

$891Alaska Airlines

Mon, Sep 7 - Thu, Sep 10

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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 16

MXP9:45 amMilan Malpensa

18h 35m

2 stops

ONT8:20 pmOntario

$720

United Airlines

Jan 27

ONT6:00 amOntario

16h 30m

2 stops

MXP7:30 amMilan Malpensa

Feb 2

MXP9:45 amMilan Malpensa

19h 35m

2 stops

ONT8:20 pmOntario

$721

United Airlines

Mar 2

ONT6:45 amOntario

21h 45m

2 stops

NAP1:30 pmNaples

Mar 12

NAP2:15 pmNaples

17h 51m

2 stops

ONT11:06 pmOntario

$739

KLM flights from Ontario to Italy

Our best KLM deals on Ontario to Italy flight tickets

KLM

Mar 2

ONT7:00 amOntario

18h 45m

1 stop

MXP10:45 amMilan Malpensa

Mar 16

MXP12:20 pmMilan Malpensa

17h 54m

1 stop

ONT10:14 pmOntario

$717

KLM

Feb 1

ONT7:00 amOntario

18h 45m

1 stop

MXP10:45 amMilan Malpensa

Feb 15

MXP12:55 pmMilan Malpensa

18h 19m

1 stop

ONT10:14 pmOntario

$767

KLM

Oct 19

ONT7:07 amOntario

16h 48m

1 stop

VCE8:55 amVenice Marco Polo

Nov 4

VCE6:30 amVenice Marco Polo

18h 53m

2 stops

ONT4:23 pmOntario

$848

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 12/30

11:10 am-10:45 am

1 stop14h 35m

Milan Malpensa

Thu 1/14

12:55 pm-10:14 pm

1 stop18h 19m

$712

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 12/30

11:10 am-10:45 am

1 stop14h 35m

Milan Malpensa

Tue 1/12

12:55 pm-10:14 pm

1 stop18h 19m

$712

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 12/30

11:10 am-10:45 am

1 stop14h 35m

Milan Malpensa

Wed 1/13

12:00 pm-10:14 pm

2 stops19h 14m

$716

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Tue 3/2

7:00 am-10:45 am

1 stop18h 45m

Milan Malpensa

Tue 3/16

12:20 pm-10:14 pm

1 stop17h 54m

$717

Quickest round-trip

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 2/10

12:00 pm-10:45 am

1 stop13h 45m

Milan Malpensa

Wed 3/10

12:55 pm-10:14 pm

1 stop18h 19m

$717

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Tue 3/2

6:00 am-10:05 am

2 stops19h 05m

Milan Malpensa

Tue 3/16

9:45 am-8:20 pm

2 stops18h 35m

$720

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 2/3

6:00 am-7:30 am

2 stops16h 30m

Milan Malpensa

Wed 2/17

9:45 am-9:21 pm

2 stops20h 36m

$721

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Tue 2/2

6:00 am-7:30 am

2 stops16h 30m

Milan Malpensa

Tue 2/16

9:45 am-8:20 pm

2 stops19h 35m

$721

OntarioRome

ONT Ontario - FCO Rome Fiumicino

ONTFCO

Ontario

Sun 10/25

7:07 am-8:15 am

1 stop17h 08m

Rome Fiumicino

Tue 11/10

10:25 am-8:54 pm

1 stop19h 29m

$755

OntarioRome

ONT Ontario - FCO Rome Fiumicino

ONTFCO

Ontario

Sun 10/25

7:07 am-8:15 am

1 stop17h 08m

Rome Fiumicino

Tue 11/10

10:25 am-8:54 pm

1 stop19h 29m

$758

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 October. Flight prices, which tend to average around $681, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Italy from Ontario during February instead. Flights to Italy in February, while not as cheap as those in October, still average around $693.

Can stopping save me money on Ontario to Italy flights?

You could potentially save up to 14% 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	$329
Fastest flight time	13h 26m
Direct flights	None

The best one-way flight to Italy from Ontario in the past 72 hours is $329. The best round-trip flight deal from Ontario to Italy found on momondo in the last 72 hours is $712.

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 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 8,561 reviews		Search Delta flights
United Airlines	PriceFrom $508	Free Cancellation	Rating 7.4 10,169 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.