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$465+ Cheap flights from Ontario (ONT) to Sicily

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CTA
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Ontario to Sicily

Cheapest flights from Ontario to Sicily
Explore the most affordable flight options available from Ontario to Sicily. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This KLM deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2811:44 amONT - CTA
2 stops18h 41mKLM
Thu 12/1110:15 amCTA - ONT
2 stops21h 49mKLM
Deal found 11/2$951
This Turkish Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:00 amONT - PMO
2 stops50h 45mMultiple Airlines
Sun 11/306:45 pmPMO - ONT
2 stops38h 14mMultiple Airlines
Deal found 11/1$1,108
This KLM deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:12 pmONT - CTA
2 stops18h 13mKLM
Sat 12/1310:15 amCTA - ONT
2 stops20h 50mKLM
Deal found 11/1$1,633
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:00 amONT - CTA
2 stops18h 55mUnited Airlines
Tue 11/256:00 amCTA - ONT
2 stops25h 31mUnited Airlines
Deal found 11/2$2,350
This FlightHub deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:00 amONT - CTA
2 stops25h 10mBritish Airways
Sat 11/296:00 pmCTA - ONT
2 stops37h 23mBritish Airways
Deal found 11/1$2,458
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:00 amONT - CTA
2 stops18h 55mUnited Airlines
Fri 11/286:00 amCTA - ONT
2 stops25h 31mUnited Airlines
Deal found 11/2$3,895
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:50 amONT - CTA
2 stops18h 50mMultiple Airlines
Fri 1/26:00 amCTA - ONT
2 stops25h 14mMultiple Airlines
Deal found 11/1$8,475

Cheap flight deals from Ontario to Sicily

Keep the following information in mind while searching for Ontario to Sicily flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$904
(American Airlines)

One-way from

$465
(KLM)

Popular in

December

Cheapest in

November

Average price

$679
Provider with most accurate pricing for Los Angeles-Catania Fontanarossa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Catania Fontanarossa flights.
Search Deals
From Ontario to Sicily
Search Deals
One-way flight from Ontario to Sicily
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Sicily that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Ontario to Sicily that are best for you.

Fly from

Ontario

Fly to

Sicily

Route

Depart

Return

Price

OntarioCatania

ONT - CTA

ONTCTA

Ontario

Tue 3/17

6:46 am-1:20 pm

2 stops22h 34m

Catania Fontanarossa

Tue 3/31

7:55 pm-5:49 pm

2 stops30h 54m

$904

OntarioCatania

ONT - CTA

ONTCTA

Ontario

Fri 11/28

11:44 am-3:25 pm

2 stops18h 41m

Catania Fontanarossa

Thu 12/11

10:15 am-11:04 pm

2 stops21h 49m

$951

OntarioPalermo

ONT - PMO

ONTPMO

Ontario

Mon 3/30

7:00 am-11:30 am

2 stops19h 30m

Palermo Punta Raisi

Sun 4/12

6:10 am-3:18 pm

2 stops42h 08m

$1,002

OntarioCatania

ONT - CTA

ONTCTA

Ontario

Thu 2/26

10:30 pm-2:40 pm

2 stops31h 10m

Catania Fontanarossa

Mon 3/2

11:40 am-9:14 pm

2 stops42h 34m

$1,020

OntarioPalermo

ONT - PMO

ONTPMO

Ontario

Mon 11/24

6:00 am-5:45 pm

2 stops50h 45m

Palermo Punta Raisi

Sun 11/30

6:45 pm-11:59 pm

2 stops38h 14m

$1,108

OntarioCatania

ONT - CTA

ONTCTA

Ontario

Fri 12/5

12:12 pm-3:25 pm

2 stops18h 13m

Catania Fontanarossa

Sat 12/13

10:15 am-10:05 pm

2 stops20h 50m

$1,633

OntarioCatania

ONT - CTA

ONTCTA

Ontario

Sun 3/29

7:00 am-10:55 am

2 stops18h 55m

Catania Fontanarossa

Fri 4/3

6:00 am-10:26 pm

2 stops25h 26m

$2,080

OntarioCatania

ONT - CTA

ONTCTA

Ontario

Mon 11/17

7:00 am-10:55 am

2 stops18h 55m

Catania Fontanarossa

Tue 11/25

6:00 am-10:31 pm

2 stops25h 31m

$2,350

OntarioCatania

ONT - CTA

ONTCTA

Ontario

Sun 11/16

7:00 am-10:55 am

2 stops18h 55m

Catania Fontanarossa

Tue 11/25

6:00 am-10:31 pm

2 stops25h 31m

$2,350

OntarioCatania

ONT - CTA

ONTCTA

Ontario

Fri 11/21

7:00 am-5:10 pm

2 stops25h 10m

Catania Fontanarossa

Sat 11/29

6:00 pm-10:23 pm

2 stops37h 23m

$2,458

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 18 results
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Best time to book a flight from Ontario to Sicily

Have a flexible travel schedule? Discover the best time to fly to Sicily from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Sicily

What is the cheapest month to book a flight from Ontario to Sicily?

Currently, October is the cheapest month in which you can book a flight from Ontario to Sicily (average of $389). Flying from Ontario to Sicily in December is currently the most expensive (average of $828). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Sicily. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Sicily?

    For a flight from Ontario to Sicily, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • How long is the flight from Ontario to Sicily?

    For as low as $951, KLM can have you in Sicily from Ontario in 18h 41m. The distance from Ontario to Sicily is about 6630 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Ontario to Sicily that include hotel bookings?

    Yes. In addition to deals on Ontario to Sicily flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Sicily?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Sicily.

  • Can I find deals for business class flights from Ontario to Sicily?

    Yes. Cheapflights offers flight deals from Ontario to Sicily by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Sicily?

    Currently, October is the cheapest month in which you can book a flight from Ontario to Sicily (average of $389). Flying from Ontario to Sicily in December is currently the most expensive (average of $828). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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