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

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 October 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.

$302 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

12:00 pm - 12:17 pmMXP Milan Malpensa-ONT Ontario

33h 17m2 stops New York John F Kennedy Intl Salt Lake City

$651Delta

Mon, Nov 23 - Wed, Dec 9

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

$653Delta

Mon, Nov 23 - Tue, Dec 8

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

$654Delta

Mon, Nov 23 - Thu, Dec 10

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

13h 45m1 stop Atlanta Hartsfield-Jackson

12:55 pm - 11:27 amMXP Milan Malpensa-ONT Ontario

31h 32m1 stop Atlanta Hartsfield-Jackson

$658Delta

Mon, Feb 1 - Thu, Feb 25

2:09 pm - 7:45 pmONT Ontario-MXP Milan Malpensa

20h 36m2 stops Dallas/Fort Worth London Heathrow

10:25 am - 10:07 pmMXP Milan Malpensa-ONT Ontario

20h 42m2 stops New York John F Kennedy Intl Charlotte Douglas

$663American Airlines

Tue, Dec 1 - Tue, Dec 15

10:37 am - 1:15 pmONT Ontario-LIN Milan Linate

17h 38m2 stops Dallas/Fort Worth London Heathrow

7:25 am - 6:44 pmLIN Milan Linate-ONT Ontario

20h 19m2 stops London Heathrow Dallas/Fort Worth

$671American Airlines

Mon, Nov 23 - Wed, Dec 9

12:45 pm - 4:20 pmONT Ontario-LIN Milan Linate

18h 35m2 stops Dallas/Fort Worth London Heathrow

12:40 pm - 11:48 pmLIN Milan Linate-ONT Ontario

20h 08m2 stops London Heathrow Dallas/Fort Worth

$672American Airlines

Mon, Nov 23 - Wed, Dec 9

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

15h 45m1 stop Chicago O'Hare Intl

11:15 am - 9:59 pmFCO Rome Fiumicino-ONT Ontario

43h 44m2 stops Toronto Pearson Intl Houston George Bush Intcntl

$716United Airlines

Tue, Dec 1 - Tue, Dec 8

11:20 am - 8:30 amONT Ontario-FCO Rome Fiumicino

36h 10m2 stops San Francisco Washington, D.C. Dulles Intl

11:15 am - 9:59 pmFCO Rome Fiumicino-ONT Ontario

43h 44m2 stops Toronto Pearson Intl Houston George Bush Intcntl

$720United Airlines

Tue, Dec 1 - Tue, Dec 8

5:00 am - 4:35 pmONT Ontario-FLR Florence Peretola

26h 35m2 stops Denver Intl Munich Franz Josef Strauss

6:30 am - 12:33 pmFLR Florence Peretola-ONT Ontario

39h 03m2 stops Frankfurt am Main Denver Intl

$723United Airlines

Sun, Apr 18 - Wed, Apr 21

Cheap last minute flights

Enter your travel dates to find the best prices.

6:59 am - 7:45 amONT Ontario-FCO Rome Fiumicino

16h 46m1 stop Chicago O'Hare Intl

7:05 am - 6:01 pmFCO Rome Fiumicino-ONT Ontario

19h 56m2 stops Frankfurt am Main San Francisco

$707Lufthansa

Sun, Oct 25 - Tue, Nov 10

1:32 pm - 11:55 amONT Ontario-FCO Rome Fiumicino

14h 23m1 stop Denver Intl

7:05 am - 6:01 pmFCO Rome Fiumicino-ONT Ontario

19h 56m2 stops Frankfurt am Main San Francisco

$712Lufthansa

Sun, Oct 25 - Tue, Nov 10

1:32 pm - 11:55 amONT Ontario-FCO Rome Fiumicino

14h 23m1 stop Denver Intl

7:05 am - 8:15 pmFCO Rome Fiumicino-ONT Ontario

22h 10m2 stops Frankfurt am Main San Francisco

$714Lufthansa

Sun, Oct 25 - Tue, Nov 10

1:32 pm - 11:55 amONT Ontario-FCO Rome Fiumicino

14h 23m1 stop Denver Intl

7:05 am - 8:15 pmFCO Rome Fiumicino-ONT Ontario

22h 10m2 stops Frankfurt am Main San Francisco

$716Lufthansa

Sun, Oct 25 - Tue, Nov 10

12:16 pm - 11:20 amONT Ontario-FCO Rome Fiumicino

15h 04m1 stop Atlanta Hartsfield-Jackson

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

19h 29m1 stop Atlanta Hartsfield-Jackson

$722Delta

Mon, Oct 26 - Wed, Nov 11

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

$722Delta

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

$723Delta

Sun, Oct 25 - Tue, Nov 10

1:32 pm - 11:55 amONT Ontario-FCO Rome Fiumicino

14h 23m1 stop Denver Intl

7:05 am - 6:01 pmFCO Rome Fiumicino-ONT Ontario

19h 56m2 stops Frankfurt am Main San Francisco

$728United Airlines

Sun, Oct 25 - Tue, Nov 10

1:32 pm - 11:55 amONT Ontario-FCO Rome Fiumicino

14h 23m1 stop Denver Intl

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

15h 56m1 stop Denver Intl

$731United Airlines

Sun, Oct 25 - Fri, Nov 6

1:32 pm - 11:55 amONT Ontario-FCO Rome Fiumicino

14h 23m1 stop Denver Intl

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

15h 56m1 stop Denver Intl

$731United Airlines

Mon, Oct 26 - Fri, Nov 6

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British Airways flights from Ontario to Italy

Our best British Airways deals on Ontario to Italy flight tickets

British Airways

Nov 17

ONT12:42 pmOntario

22h 03m

2 stops

MXP7:45 pmMilan Malpensa

Dec 2

MXP8:45 pmMilan Malpensa

36h 03m

2 stops

ONT11:48 pmOntario

$672

British Airways

Nov 9

ONT10:30 amOntario

15h 15m

1 stop

FCO10:45 amRome Fiumicino

Nov 20

FCO1:10 pmRome Fiumicino

18h 26m

1 stop

ONT10:36 pmOntario

$725

British Airways

Nov 9

ONT10:30 amOntario

15h 15m

1 stop

FCO10:45 amRome Fiumicino

Nov 20

FCO1:10 pmRome Fiumicino

18h 26m

1 stop

ONT10:36 pmOntario

$726

KLM flights from Ontario to Italy

Our best KLM deals on Ontario to Italy flight tickets

KLM

Feb 1

ONT12:00 pmOntario

18h 55m

2 stops

LIN3:55 pmMilan Linate

Feb 22

LIN9:20 pmMilan Linate

27h 52m

2 stops

ONT4:12 pmOntario

$716

KLM

Dec 1

ONT7:05 amOntario

16h 10m

1 stop

FCO8:15 amRome Fiumicino

Dec 16

FCO10:25 amRome Fiumicino

19h 33m

1 stop

ONT8:58 pmOntario

$731

KLM

Jan 19

ONT12:00 pmOntario

14h 20m

1 stop

FCO11:20 amRome Fiumicino

Feb 4

FCO10:25 amRome Fiumicino

20h 49m

1 stop

ONT10:14 pmOntario

$736

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Mon 11/23

7:05 am-10:45 am

1 stop18h 40m

Milan Malpensa

Wed 12/9

12:00 pm-12:17 pm

2 stops33h 17m

$651

Quickest round-trip

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Mon 11/23

7:05 am-10:45 am

1 stop18h 40m

Milan Malpensa

Tue 12/8

12:55 pm-8:58 pm

1 stop17h 03m

$653

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Mon 11/23

7:05 am-10:45 am

1 stop18h 40m

Milan Malpensa

Thu 12/10

12:55 pm-9:55 pm

1 stop18h 00m

$654

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Mon 2/1

12:00 pm-10:45 am

1 stop13h 45m

Milan Malpensa

Thu 2/25

12:55 pm-11:27 am

1 stop31h 32m

$658

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Tue 12/1

2:09 pm-7:45 pm

2 stops20h 36m

Milan Malpensa

Tue 12/15

10:25 am-10:07 pm

2 stops20h 42m

$663

OntarioMilan

ONT Ontario - LIN Milan Linate

ONTLIN

Ontario

Mon 11/23

10:37 am-1:15 pm

2 stops17h 38m

Milan Linate

Wed 12/9

7:25 am-6:44 pm

2 stops20h 19m

$671

OntarioMilan

ONT Ontario - LIN Milan Linate

ONTLIN

Ontario

Mon 11/23

12:45 pm-4:20 pm

2 stops18h 35m

Milan Linate

Wed 12/9

12:40 pm-11:48 pm

2 stops20h 08m

$672

OntarioRome

ONT Ontario - FCO Rome Fiumicino

ONTFCO

Ontario

Tue 12/1

7:00 am-7:45 am

1 stop15h 45m

Rome Fiumicino

Tue 12/8

11:15 am-9:59 pm

2 stops43h 44m

$716

OntarioRome

ONT Ontario - FCO Rome Fiumicino

ONTFCO

Ontario

Tue 12/1

11:20 am-8:30 am

2 stops36h 10m

Rome Fiumicino

Tue 12/8

11:15 am-9:59 pm

2 stops43h 44m

$720

OntarioFlorence

ONT Ontario - FLR Florence Peretola

ONTFLR

Ontario

Sun 4/18

5:00 am-4:35 pm

2 stops26h 35m

Florence Peretola

Wed 4/21

6:30 am-12:33 pm

2 stops39h 03m

$723

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 February instead. Flights to Italy in February, while not as cheap as those in January, 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	$302
Fastest flight time	14h 20m
Direct flights	None

The best one-way flight to Italy from Ontario in the past 72 hours is $302. The best round-trip flight deal from Ontario to Italy found on momondo in the last 72 hours is $651.

The fastest flight from Ontario to Italy takes 14h 20m

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 October 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 $508	Free Cancellation	Rating 7.3 10,421 reviews		Search United Airlines flights
Delta	PriceFrom $723	Free Cancellation	Rating 7.8 8,668 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.