$314 Cheap Flights from Ontario to Italy in 2026/27 | momondo

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Find the cheapest flights from Ontario to Italy

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One-way

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Cheap round-trip flights

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

18h 45m1 stop Atlanta Hartsfield-Jackson

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

18h 19m1 stop Atlanta Hartsfield-Jackson

$566Delta

Tue, Mar 2 - Wed, Mar 10

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

18h 45m1 stop Atlanta Hartsfield-Jackson

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

18h 19m1 stop Atlanta Hartsfield-Jackson

$566Delta

Tue, Mar 2 - Thu, Mar 11

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

$566Multiple Airlines

Wed, Feb 24 - Wed, Mar 10

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

18h 45m1 stop Atlanta Hartsfield-Jackson

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

18h 19m1 stop Atlanta Hartsfield-Jackson

$566Delta

Tue, Mar 2 - Fri, Mar 12

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

18h 45m1 stop Atlanta Hartsfield-Jackson

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

18h 19m1 stop Atlanta Hartsfield-Jackson

$566Delta

Tue, Mar 2 - Tue, Mar 9

7:05 am - 8:15 amONT Ontario-FCO Rome Fiumicino

16h 10m1 stop Atlanta Hartsfield-Jackson

10:25 am - 8:58 pmFCO Rome Fiumicino-ONT Ontario

19h 33m1 stop Atlanta Hartsfield-Jackson

$611KLM

Tue, Dec 1 - Wed, Dec 9

7:05 am - 8:15 amONT Ontario-FCO Rome Fiumicino

16h 10m1 stop Atlanta Hartsfield-Jackson

10:25 am - 8:58 pmFCO Rome Fiumicino-ONT Ontario

19h 33m1 stop Atlanta Hartsfield-Jackson

$611KLM

Wed, Dec 2 - Wed, Dec 9

6:30 am - 12:20 pmONT Ontario-LIN Milan Linate

20h 50m2 stops Chicago O'Hare Intl Brussels Bruxelles-National

6:25 am - 3:27 pmLIN Milan Linate-ONT Ontario

42h 02m2 stops Frankfurt am Main San Francisco

$729United Airlines

Tue, Mar 2 - Fri, Mar 5

6:30 am - 12:20 pmONT Ontario-LIN Milan Linate

20h 50m2 stops Chicago O'Hare Intl Brussels Bruxelles-National

6:25 am - 3:27 pmLIN Milan Linate-ONT Ontario

42h 02m2 stops Frankfurt am Main San Francisco

$730United Airlines

Tue, Mar 2 - Fri, Mar 5

4:03 pm - 2:00 pmONT Ontario-VCE Venice Marco Polo

36h 57m2 stops San Francisco Zurich

7:00 am - 8:20 pmVCE Venice Marco Polo-ONT Ontario

22h 20m3 stops Frankfurt am Main Newark Denver Intl

$737United Airlines

Tue, Jan 12 - Fri, Jan 22

Cheap last minute flights

Enter your travel dates to find the best prices.

1:24 pm - 12:20 pmONT Ontario-FCO Rome Fiumicino

13h 56m1 stop Denver Intl

2:20 pm - 8:58 pmFCO Rome Fiumicino-ONT Ontario

15h 38m1 stop Denver Intl

$849United Airlines

Mon, Sep 28 - Wed, Oct 14

1:24 pm - 12:20 pmONT Ontario-FCO Rome Fiumicino

13h 56m1 stop Denver Intl

2:20 pm - 8:58 pmFCO Rome Fiumicino-ONT Ontario

15h 38m1 stop Denver Intl

$857United Airlines

Mon, Sep 28 - Wed, Oct 14

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

19h 10m1 stop Seattle/Tacoma Intl

12:20 pm - 10:43 pmFCO Rome Fiumicino-ONT Ontario

19h 23m1 stop Seattle/Tacoma Intl

$857KLM

Wed, Sep 30 - Tue, Oct 6

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

19h 10m1 stop Seattle/Tacoma Intl

9:45 am - 11:55 pmFCO Rome Fiumicino-ONT Ontario

23h 10m2 stops Atlanta Hartsfield-Jackson Salt Lake City

$861Delta

Wed, Sep 30 - Tue, Oct 6

7:20 am - 9:50 amONT Ontario-FCO Rome Fiumicino

17h 30m2 stops Dallas/Fort Worth New York John F Kennedy Intl

1:30 pm - 11:52 pmFCO Rome Fiumicino-ONT Ontario

19h 22m2 stops Charlotte Douglas Dallas/Fort Worth

$861American Airlines

Wed, Sep 30 - Tue, Oct 6

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

17h 20m1 stop Atlanta Hartsfield-Jackson

11:40 am - 8:25 pmMXP Milan Malpensa-ONT Ontario

17h 45m1 stop Atlanta Hartsfield-Jackson

$862Delta

Wed, Sep 30 - Wed, Oct 7

7:00 am - 10:00 pmONT Ontario-FCO Rome Fiumicino

30h 00m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:50 am - 8:31 pmFCO Rome Fiumicino-ONT Ontario

22h 41m3 stops Frankfurt am Main Seattle/Tacoma Intl San Francisco

$862United Airlines

Wed, Sep 30 - Tue, Oct 6

7:00 am - 1:20 pmONT Ontario-MXP Milan Malpensa

21h 20m1 stop Chicago O'Hare Intl

3:20 pm - 10:49 pmMXP Milan Malpensa-ONT Ontario

16h 29m1 stop Chicago O'Hare Intl

$862United Airlines

Wed, Sep 30 - Tue, Oct 6

1:22 pm - 12:20 pmONT Ontario-FCO Rome Fiumicino

13h 58m1 stop Denver Intl

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

17h 59m1 stop Chicago O'Hare Intl

$876Lufthansa

Tue, Sep 29 - Wed, Dec 2

7:05 am - 7:35 amONT Ontario-FCO Rome Fiumicino

15h 30m1 stop Atlanta Hartsfield-Jackson

6:30 am - 10:43 pmFCO Rome Fiumicino-ONT Ontario

25h 13m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$981Delta

Sat, Oct 3 - Sun, Oct 11

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KLM flights from Ontario to Italy

Our best KLM deals on Ontario to Italy flight tickets

KLM

Dec 1

ONT7:05 amOntario

16h 10m

1 stop

FCO8:15 amRome Fiumicino

Dec 9

FCO10:25 amRome Fiumicino

19h 33m

1 stop

ONT8:58 pmOntario

$611

KLM

Jan 25

ONT12:00 pmOntario

14h 20m

1 stop

FCO11:20 amRome Fiumicino

Feb 8

FCO1:30 pmRome Fiumicino

17h 44m

1 stop

ONT10:14 pmOntario

$656

KLM

Jan 25

ONT12:00 pmOntario

14h 20m

1 stop

FCO11:20 amRome Fiumicino

Feb 8

FCO1:30 pmRome Fiumicino

17h 44m

1 stop

ONT10:14 pmOntario

$666

United Airlines flights from Ontario to Italy

Our best United Airlines deals on Ontario to Italy flight tickets

United Airlines

Mar 2

ONT6:30 amOntario

16h 00m

2 stops

MXP7:30 amMilan Malpensa

Mar 5

MXP12:55 pmMilan Malpensa

38h 49m

2 stops

ONT6:44 pmOntario

$701

United Airlines

Feb 13

ONT1:00 pmOntario

33h 30m

2 stops

MXP7:30 amMilan Malpensa

Feb 19

MXP12:55 pmMilan Malpensa

38h 44m

2 stops

ONT6:39 pmOntario

$706

United Airlines

Mar 2

ONT6:00 amOntario

19h 05m

2 stops

MXP10:05 amMilan Malpensa

Mar 5

MXP11:20 amMilan Malpensa

20h 46m

2 stops

ONT11:06 pmOntario

$721

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Tue 3/2

7:00 am-10:45 am

1 stop18h 45m

Milan Malpensa

Wed 3/10

12:55 pm-10:14 pm

1 stop18h 19m

$566

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Tue 3/2

7:00 am-10:45 am

1 stop18h 45m

Milan Malpensa

Thu 3/11

12:55 pm-10:14 pm

1 stop18h 19m

$566

Quickest round-trip

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Wed 2/24

12:00 pm-10:45 am

1 stop13h 45m

Milan Malpensa

Wed 3/10

12:55 pm-10:14 pm

1 stop18h 19m

$566

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Tue 3/2

7:00 am-10:45 am

1 stop18h 45m

Milan Malpensa

Fri 3/12

12:55 pm-10:14 pm

1 stop18h 19m

$566

OntarioMilan

ONT Ontario - MXP Milan Malpensa

ONTMXP

Ontario

Tue 3/2

7:00 am-10:45 am

1 stop18h 45m

Milan Malpensa

Tue 3/9

12:55 pm-10:14 pm

1 stop18h 19m

$566

OntarioRome

ONT Ontario - FCO Rome Fiumicino

ONTFCO

Ontario

Tue 12/1

7:05 am-8:15 am

1 stop16h 10m

Rome Fiumicino

Wed 12/9

10:25 am-8:58 pm

1 stop19h 33m

$611

OntarioRome

ONT Ontario - FCO Rome Fiumicino

ONTFCO

Ontario

Wed 12/2

7:05 am-8:15 am

1 stop16h 10m

Rome Fiumicino

Wed 12/9

10:25 am-8:58 pm

1 stop19h 33m

$611

OntarioMilan

ONT Ontario - LIN Milan Linate

ONTLIN

Ontario

Tue 3/2

6:30 am-12:20 pm

2 stops20h 50m

Milan Linate

Fri 3/5

6:25 am-3:27 pm

2 stops42h 02m

$729

OntarioMilan

ONT Ontario - LIN Milan Linate

ONTLIN

Ontario

Tue 3/2

6:30 am-12:20 pm

2 stops20h 50m

Milan Linate

Fri 3/5

6:25 am-3:27 pm

2 stops42h 02m

$730

OntarioVenice

ONT Ontario - VCE Venice Marco Polo

ONTVCE

Ontario

Tue 1/12

4:03 pm-2:00 pm

2 stops36h 57m

Venice Marco Polo

Fri 1/22

7:00 am-8:20 pm

3 stops22h 20m

$737

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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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 October instead. Flights to Italy in October, while not as cheap as those in January, still average around $595.

Can stopping save me money on Ontario to Italy flights?

You could potentially save up to 46% 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	$314
Fastest flight time	13h 26m
Direct flights	None

The best one-way flight to Italy from Ontario in the past 72 hours is $314. The best round-trip flight deal from Ontario to Italy found on momondo in the last 72 hours is $566.

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.

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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 8,604 reviews		Search Delta flights
United Airlines	PriceFrom $508	Free Cancellation	Rating 7.4 10,246 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.

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