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 23 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, British Airways, and American Airlines 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 August 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.

$337 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.

12:22 pm - 10:55 amONT Ontario-MXP Milan Malpensa

13h 33m1 stop Atlanta Hartsfield-Jackson

6:55 am - 4:30 pmMXP Milan Malpensa-ONT Ontario

18h 35m2 stops Paris Charles de Gaulle Salt Lake City

$687Air France

Wed, Dec 2 - Wed, Dec 9

12:00 pm - 10:55 amONT Ontario-MXP Milan Malpensa

13h 55m1 stop Atlanta Hartsfield-Jackson

1:05 pm - 10:14 pmMXP Milan Malpensa-ONT Ontario

18h 09m1 stop Atlanta Hartsfield-Jackson

$712Multiple Airlines

Wed, Feb 3 - Wed, Feb 17

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

16h 30m2 stops Houston George Bush Intcntl Newark

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

19h 35m2 stops Newark Denver Intl

$716United Airlines

Wed, Feb 3 - Wed, Feb 17

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

16h 30m2 stops Houston George Bush Intcntl Newark

9:45 am - 9:40 pmMXP Milan Malpensa-ONT Ontario

20h 55m2 stops Newark Houston George Bush Intcntl

$716United Airlines

Wed, Nov 18 - Wed, Nov 25

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

16h 30m2 stops Houston George Bush Intcntl Newark

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

20h 36m2 stops Newark Houston George Bush Intcntl

$716United Airlines

Wed, Dec 2 - Wed, Dec 9

12:00 pm - 2:25 pmONT Ontario-FLR Florence Peretola

17h 25m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

6:40 am - 10:14 pmFLR Florence Peretola-ONT Ontario

24h 34m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$718Delta

Wed, Jan 13 - Fri, Jan 22

7:00 am - 11:25 amONT Ontario-FLR Florence Peretola

19h 25m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

6:40 am - 10:14 pmFLR Florence Peretola-ONT Ontario

24h 34m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$718Multiple Airlines

Wed, Jan 13 - Fri, Jan 22

1:27 pm - 5:45 pmONT Ontario-LIN Milan Linate

19h 18m2 stops Phoenix Sky Harbor Intl London Heathrow

11:25 am - 11:55 pmLIN Milan Linate-ONT Ontario

21h 30m2 stops London Heathrow Dallas/Fort Worth

$731British Airways

Mon, Nov 30 - Mon, Dec 14

11:10 pm - 8:15 amONT Ontario-FCO Rome Fiumicino

24h 05m1 stop Atlanta Hartsfield-Jackson

6:10 am - 10:08 pmFCO Rome Fiumicino-ONT Ontario

24h 58m2 stops Amsterdam Schiphol Salt Lake City

$761Delta

Sun, Nov 22 - Fri, Nov 27

7:00 am - 8:15 amONT Ontario-FCO Rome Fiumicino

16h 15m1 stop Atlanta Hartsfield-Jackson

10:25 am - 7:41 pmFCO Rome Fiumicino-ONT Ontario

18h 16m1 stop Atlanta Hartsfield-Jackson

$762Delta

Mon, Nov 23 - Thu, Nov 26

Cheap last minute flights

Enter your travel dates to find the best prices.

12:08 pm - 1:15 pmONT Ontario-FCO Rome Fiumicino

16h 07m1 stop Seattle/Tacoma Intl

3:15 pm - 2:09 pmFCO Rome Fiumicino-ONT Ontario

31h 54m1 stop Seattle/Tacoma Intl

$744Alaska Airlines

Sun, Aug 9 - Tue, Aug 25

7:05 am - 7:05 amONT Ontario-NAP Naples

15h 00m1 stop Atlanta Hartsfield-Jackson

11:40 am - 10:45 pmNAP Naples-ONT Ontario

20h 05m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$755KLM

Sun, Aug 9 - Tue, Aug 25

12:04 pm - 1:15 pmONT Ontario-FCO Rome Fiumicino

16h 11m1 stop Seattle/Tacoma Intl

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

36h 48m1 stop Seattle/Tacoma Intl

$755Alaska Airlines

Wed, Aug 12 - Wed, Aug 26

12:08 pm - 1:15 pmONT Ontario-FCO Rome Fiumicino

16h 07m1 stop Seattle/Tacoma Intl

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

36h 48m1 stop Seattle/Tacoma Intl

$755Alaska Airlines

Sun, Aug 9 - Tue, Aug 25

5:45 am - 1:20 pmONT Ontario-MXP Milan Malpensa

22h 35m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

3:20 pm - 10:35 pmMXP Milan Malpensa-ONT Ontario

16h 15m1 stop Chicago O'Hare Intl

$761United Airlines

Sun, Aug 9 - Tue, Aug 25

5:45 am - 1:20 pmONT Ontario-MXP Milan Malpensa

22h 35m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

3:20 pm - 12:50 pmMXP Milan Malpensa-ONT Ontario

30h 30m2 stops Chicago O'Hare Intl Denver Intl

$761United Airlines

Sun, Aug 9 - Tue, Aug 25

7:05 am - 9:25 amONT Ontario-MXP Milan Malpensa

17h 20m1 stop Atlanta Hartsfield-Jackson

11:40 am - 7:53 pmMXP Milan Malpensa-ONT Ontario

17h 13m1 stop Atlanta Hartsfield-Jackson

$762Delta

Sun, Aug 9 - Tue, Aug 25

10:00 pm - 7:35 amONT Ontario-FCO Rome Fiumicino

24h 35m1 stop Atlanta Hartsfield-Jackson

9:00 am - 11:34 pmFCO Rome Fiumicino-ONT Ontario

23h 34m2 stops Detroit Metropolitan Wayne County Salt Lake City

$768Delta

Sun, Aug 9 - Tue, Aug 25

5:45 am - 7:55 amONT Ontario-FCO Rome Fiumicino

17h 10m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

10:50 am - 12:12 pmFCO Rome Fiumicino-ONT Ontario

34h 22m2 stops Munich Franz Josef Strauss San Francisco

$768United Airlines

Sun, Aug 9 - Tue, Aug 25

7:05 am - 9:25 amONT Ontario-MXP Milan Malpensa

17h 20m1 stop Atlanta Hartsfield-Jackson

11:40 am - 7:53 pmMXP Milan Malpensa-ONT Ontario

17h 13m1 stop Atlanta Hartsfield-Jackson

$770Delta

Sun, Aug 9 - Tue, Aug 25

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Delta flights from Ontario to Italy

Our best Delta deals on Ontario to Italy flight tickets

Delta

Nov 22

ONT11:10 pmOntario

24h 05m

1 stop

FCO8:15 amRome Fiumicino

Nov 27

FCO6:10 amRome Fiumicino

24h 58m

2 stops

ONT10:08 pmOntario

$761

Delta

Aug 9

ONT7:05 amOntario

17h 20m

1 stop

MXP9:25 amMilan Malpensa

Aug 25

MXP11:40 amMilan Malpensa

17h 13m

1 stop

ONT7:53 pmOntario

$762

Delta

Jan 18

ONT7:00 amOntario

19h 30m

2 stops

FCO11:30 amRome Fiumicino

Jan 26

FCO10:25 amRome Fiumicino

20h 49m

1 stop

ONT10:14 pmOntario

$766

KLM flights from Ontario to Italy

Our best KLM deals on Ontario to Italy flight tickets

KLM

Aug 9

ONT7:05 amOntario

15h 00m

1 stop

NAP7:05 amNaples

Aug 25

NAP11:40 amNaples

20h 05m

2 stops

ONT10:45 pmOntario

$755

KLM

Aug 9

ONT7:05 amOntario

15h 00m

1 stop

NAP7:05 amNaples

Aug 25

NAP11:40 amNaples

20h 05m

2 stops

ONT10:45 pmOntario

$757

KLM

Feb 1

ONT12:00 pmOntario

13h 55m

1 stop

MXP10:55 amMilan Malpensa

Feb 15

MXP1:05 pmMilan Malpensa

18h 09m

1 stop

ONT10:14 pmOntario

$762

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 12/2

12:22 pm-10:55 am

1 stop13h 33m

Milan Malpensa

Wed 12/9

6:55 am-4:30 pm

2 stops18h 35m

$687

Quickest round-trip

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 2/3

12:00 pm-10:55 am

1 stop13h 55m

Milan Malpensa

Wed 2/17

1:05 pm-10:14 pm

1 stop18h 09m

$712

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-8:20 pm

2 stops19h 35m

$716

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 11/18

6:00 am-7:30 am

2 stops16h 30m

Milan Malpensa

Wed 11/25

9:45 am-9:40 pm

2 stops20h 55m

$716

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 12/2

6:00 am-7:30 am

2 stops16h 30m

Milan Malpensa

Wed 12/9

9:45 am-9:21 pm

2 stops20h 36m

$716

OntarioFlorence

ONT Ontario - FLR Florence Peretola

ONTFLR

Ontario

Wed 1/13

12:00 pm-2:25 pm

2 stops17h 25m

Florence Peretola

Fri 1/22

6:40 am-10:14 pm

2 stops24h 34m

$718

OntarioFlorence

ONT Ontario - FLR Florence Peretola

ONTFLR

Ontario

Wed 1/13

7:00 am-11:25 am

2 stops19h 25m

Florence Peretola

Fri 1/22

6:40 am-10:14 pm

2 stops24h 34m

$718

OntarioMilan

ONT Ontario - LIN Milan Linate

ONTLIN

Ontario

Mon 11/30

1:27 pm-5:45 pm

2 stops19h 18m

Milan Linate

Mon 12/14

11:25 am-11:55 pm

2 stops21h 30m

$731

OntarioRome

ONT Ontario - FCO Rome Fiumicino

ONTFCO

Ontario

Sun 11/22

11:10 pm-8:15 am

1 stop24h 05m

Rome Fiumicino

Fri 11/27

6:10 am-10:08 pm

2 stops24h 58m

$761

OntarioRome

ONT Ontario - FCO Rome Fiumicino

ONTFCO

Ontario

Mon 11/23

7:00 am-8:15 am

1 stop16h 15m

Rome Fiumicino

Thu 11/26

10:25 am-7:41 pm

1 stop18h 16m

$762

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 $612, 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 April instead. Flights to Italy in April, while not as cheap as those in October, still average around $686.

Can stopping save me money on Ontario to Italy flights?

You could potentially save up to 23% 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

Fastest flight time	13h 26m
Direct flights	None

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 August 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 $479	Free Cancellation	Rating 7.8 8,499 reviews		Search Delta flights
United Airlines	PriceFrom $508	Free Cancellation	Rating 7.4 10,081 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.