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

American Airlines, Delta, and United Airlines 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 23 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 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.

$328 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.

7:00 am - 10:55 amONT Ontario-MXP Milan Malpensa

18h 55m1 stop Atlanta Hartsfield-Jackson

1:05 pm - 9:59 pmMXP Milan Malpensa-ONT Ontario

17h 54m1 stop Atlanta Hartsfield-Jackson

$662Delta

Wed, Nov 25 - Thu, Dec 3

7:00 am - 10:55 amONT Ontario-MXP Milan Malpensa

18h 55m1 stop Atlanta Hartsfield-Jackson

1:05 pm - 9:59 pmMXP Milan Malpensa-ONT Ontario

17h 54m1 stop Atlanta Hartsfield-Jackson

$662Delta

Mon, Nov 23 - Thu, Dec 3

10:25 am - 1:45 pmONT Ontario-MXP Milan Malpensa

18h 20m2 stops Dallas/Fort Worth London Heathrow

11:00 am - 11:52 pmMXP Milan Malpensa-ONT Ontario

21h 52m2 stops New York John F Kennedy Intl Dallas/Fort Worth

$711American Airlines

Mon, Oct 5 - Wed, Oct 21

7:00 am - 1:15 pmONT Ontario-MXP Milan Malpensa

21h 15m1 stop Chicago O'Hare Intl

11:20 am - 9:21 pmMXP Milan Malpensa-ONT Ontario

19h 01m2 stops Frankfurt am Main Houston George Bush Intcntl

$714United Airlines

Wed, Nov 25 - Thu, Dec 3

7:00 am - 1:15 pmONT Ontario-MXP Milan Malpensa

21h 15m1 stop Chicago O'Hare Intl

11:20 am - 9:21 pmMXP Milan Malpensa-ONT Ontario

19h 01m2 stops Frankfurt am Main Houston George Bush Intcntl

$714United Airlines

Tue, Nov 24 - Thu, Dec 3

7:00 am - 1:15 pmONT Ontario-MXP Milan Malpensa

21h 15m1 stop Chicago O'Hare Intl

11:20 am - 9:21 pmMXP Milan Malpensa-ONT Ontario

19h 01m2 stops Frankfurt am Main Houston George Bush Intcntl

$714United Airlines

Mon, Nov 23 - Thu, Dec 3

1:05 pm - 3:05 pmONT Ontario-LIN Milan Linate

17h 00m2 stops Phoenix Sky Harbor Intl London Heathrow

11:40 am - 11:52 pmLIN Milan Linate-ONT Ontario

21h 12m2 stops Madrid Barajas Dallas/Fort Worth

$722American Airlines

Mon, Oct 5 - Wed, Oct 21

7:07 am - 9:25 amONT Ontario-MXP Milan Malpensa

17h 18m1 stop Atlanta Hartsfield-Jackson

11:40 am - 9:54 pmMXP Milan Malpensa-ONT Ontario

19h 14m1 stop Atlanta Hartsfield-Jackson

$722Delta

Tue, Oct 6 - Thu, Oct 15

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

15h 15m1 stop Dallas/Fort Worth

1:00 pm - 9:39 pmFCO Rome Fiumicino-ONT Ontario

17h 39m1 stop Dallas/Fort Worth

$739British Airways

Tue, Nov 10 - Fri, Nov 20

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

16h 15m1 stop Atlanta Hartsfield-Jackson

10:25 am - 9:59 pmFCO Rome Fiumicino-ONT Ontario

20h 34m1 stop Atlanta Hartsfield-Jackson

$762Delta

Tue, Nov 10 - Fri, Nov 20

Cheap last minute flights

Enter your travel dates to find the best prices.

10:00 pm - 7:05 amONT Ontario-NAP Naples

24h 05m1 stop Atlanta Hartsfield-Jackson

11:40 am - 8:52 amNAP Naples-ONT Ontario

54h 12m2 stops Amsterdam Schiphol Salt Lake City

$711Delta

Mon, Aug 17 - Mon, Aug 24

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

20h 00m2 stops Dallas/Fort Worth London Heathrow

12:15 pm - 11:43 amVCE Venice Marco Polo-ONT Ontario

32h 28m1 stop Dallas/Fort Worth

$720American Airlines

Sun, Aug 16 - Tue, Aug 25

12:00 pm - 8:55 amONT Ontario-VCE Venice Marco Polo

35h 55m1 stop Atlanta Hartsfield-Jackson

11:05 am - 7:53 pmVCE Venice Marco Polo-ONT Ontario

17h 48m1 stop Atlanta Hartsfield-Jackson

$723Delta

Sun, Aug 16 - Tue, Aug 25

9:43 am - 2:35 pmONT Ontario-VCE Venice Marco Polo

19h 52m2 stops Salt Lake City Paris Charles de Gaulle

11:45 am - 10:45 pmVCE Venice Marco Polo-ONT Ontario

20h 00m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$731Multiple Airlines

Sun, Aug 16 - Tue, Aug 25

5:00 am - 9:40 amONT Ontario-NAP Naples

19h 40m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

9:45 am - 9:59 pmNAP Naples-ONT Ontario

21h 14m2 stops Newark Houston George Bush Intcntl

$750Air Canada

Mon, Aug 17 - Mon, Aug 24

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

15h 00m1 stop Atlanta Hartsfield-Jackson

9:05 am - 6:30 pmNAP Naples-ONT Ontario

18h 25m1 stop Atlanta Hartsfield-Jackson

$754Delta

Sat, Aug 15 - Fri, Aug 28

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

15h 00m1 stop Atlanta Hartsfield-Jackson

9:05 am - 6:30 pmNAP Naples-ONT Ontario

18h 25m1 stop Atlanta Hartsfield-Jackson

$756Delta

Sat, Aug 15 - Fri, Aug 28

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

20h 40m2 stops Houston George Bush Intcntl Newark

9:45 am - 9:59 pmNAP Naples-ONT Ontario

21h 14m2 stops Newark Houston George Bush Intcntl

$768United Airlines

Mon, Aug 17 - Mon, Aug 24

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

14h 02m1 stop Denver Intl

9:45 am - 6:44 pmFCO Rome Fiumicino-ONT Ontario

17h 59m1 stop Chicago O'Hare Intl

$777United Airlines

Sun, Aug 16 - Thu, Dec 24

1:18 pm - 4:35 pmONT Ontario-FLR Florence Peretola

18h 17m2 stops Denver Intl Munich Franz Josef Strauss

6:30 am - 6:11 pmFLR Florence Peretola-ONT Ontario

20h 41m2 stops Frankfurt am Main San Francisco

$779United Airlines

Sun, Aug 16 - Tue, Aug 25

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

Delta flights from Ontario to Italy

Our best Delta deals on Ontario to Italy flight tickets

Delta

Nov 23

ONT7:00 amOntario

18h 55m

1 stop

MXP10:55 amMilan Malpensa

Dec 3

MXP1:05 pmMilan Malpensa

17h 54m

1 stop

ONT9:59 pmOntario

$662

Delta

Aug 17

ONT10:00 pmOntario

24h 05m

1 stop

NAP7:05 amNaples

Aug 24

NAP11:40 amNaples

54h 12m

2 stops

ONT8:52 amOntario

$711

Delta

Sep 20

ONT7:05 amOntario

17h 20m

1 stop

MXP9:25 amMilan Malpensa

Oct 6

MXP11:40 amMilan Malpensa

17h 45m

1 stop

ONT8:25 pmOntario

$722

KLM flights from Ontario to Italy

Our best KLM deals on Ontario to Italy flight tickets

KLM

Aug 16

ONT7:05 amOntario

15h 30m

1 stop

FCO7:35 amRome Fiumicino

Aug 28

FCO1:10 pmRome Fiumicino

17h 42m

1 stop

ONT9:52 pmOntario

$777

KLM

Aug 18

ONT7:05 amOntario

17h 20m

1 stop

MXP9:25 amMilan Malpensa

Sep 3

MXP11:40 amMilan Malpensa

19h 12m

1 stop

ONT9:52 pmOntario

$807

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

$817

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 11/25

7:00 am-10:55 am

1 stop18h 55m

Milan Malpensa

Thu 12/3

1:05 pm-9:59 pm

1 stop17h 54m

$662

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Mon 11/23

7:00 am-10:55 am

1 stop18h 55m

Milan Malpensa

Thu 12/3

1:05 pm-9:59 pm

1 stop17h 54m

$662

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Mon 10/5

10:25 am-1:45 pm

2 stops18h 20m

Milan Malpensa

Wed 10/21

11:00 am-11:52 pm

2 stops21h 52m

$711

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 11/25

7:00 am-1:15 pm

1 stop21h 15m

Milan Malpensa

Thu 12/3

11:20 am-9:21 pm

2 stops19h 01m

$714

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Tue 11/24

7:00 am-1:15 pm

1 stop21h 15m

Milan Malpensa

Thu 12/3

11:20 am-9:21 pm

2 stops19h 01m

$714

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Mon 11/23

7:00 am-1:15 pm

1 stop21h 15m

Milan Malpensa

Thu 12/3

11:20 am-9:21 pm

2 stops19h 01m

$714

OntarioMilan

ONT Ontario - LIN Milan Linate

ONTLIN

Ontario

Mon 10/5

1:05 pm-3:05 pm

2 stops17h 00m

Milan Linate

Wed 10/21

11:40 am-11:52 pm

2 stops21h 12m

$722

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Tue 10/6

7:07 am-9:25 am

1 stop17h 18m

Milan Malpensa

Thu 10/15

11:40 am-9:54 pm

1 stop19h 14m

$722

Quickest round-trip

OntarioRome

ONT Ontario - FCO Rome Fiumicino

ONTFCO

Ontario

Tue 11/10

10:30 am-10:45 am

1 stop15h 15m

Rome Fiumicino

Fri 11/20

1:00 pm-9:39 pm

1 stop17h 39m

$739

OntarioRome

ONT Ontario - FCO Rome Fiumicino

ONTFCO

Ontario

Tue 11/10

7:00 am-8:15 am

1 stop16h 15m

Rome Fiumicino

Fri 11/20

10:25 am-9:59 pm

1 stop20h 34m

$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 8,505 reviews		Search Delta flights
United Airlines	PriceFrom $508	Free Cancellation	Rating 7.4 10,111 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.