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Cheap flights from Ontario to Trieste from C$ 583

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — TRS
11 Feb — 18 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Trieste

Keep the following information in mind while searching for Ontario to Trieste flight deals. Data was last updated 12 January 2026.

Round-trip from

C$ 817

One-way from

C$ 583

Popular in

February

Cheapest in

March
5/4-8/4
  • 5/4-8/4
  • 3 total stops
  • 46h 20m total
  • Ontario to Trieste
Search Deals
1/7
  • 1/7
  • 2 total stops
  • 22h 20m total
  • Ontario to Trieste
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 214 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 85 potential savings vs. average RT price).
Search Deals

Find flight deals from Ontario to Trieste

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Trieste
Explore the most affordable flight options available from Ontario to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 January 2026.

Sun 5/411:10 a.m.YUL - TRS
2 stops21h 20mMultiple Airlines
Wed 8/47:15 p.m.TRS - YUL
1 stop25h 00mMultiple Airlines
Deal found 11/1C$ 817
Fri 20/27:35 p.m.YYZ - TRS
2 stops36h 30mLufthansa
Fri 10/46:00 a.m.TRS - YYZ
2 stops42h 24mLufthansa
Deal found 11/1C$ 881
Sun 4/105:00 p.m.YYZ - TRS
1 stop15h 30mITA Airways
Mon 12/106:35 a.m.TRS - YYZ
1 stop13h 30mITA Airways
Deal found 11/1C$ 1,052
Fri 2/105:00 p.m.YYZ - TRS
1 stop19h 30mITA Airways
Mon 12/107:15 p.m.TRS - YYZ
1 stop24h 50mITA Airways
Deal found 11/1C$ 1,107
Sun 27/95:00 p.m.YYZ - TRS
1 stop23h 55mITA Airways
Mon 5/107:15 p.m.TRS - YYZ
1 stop24h 50mITA Airways
Deal found 11/1C$ 1,118
Sat 26/95:00 p.m.YYZ - TRS
1 stop19h 30mITA Airways
Sun 4/106:35 a.m.TRS - YYZ
1 stop13h 30mITA Airways
Deal found 11/1C$ 1,173
Wed 1/78:45 p.m.YYZ - TRS
2 stops15h 45mIcelandair
Tue 21/711:15 a.m.TRS - YYZ
2 stops16h 55mIcelandair
Deal found 11/1C$ 1,175
Fri 25/95:00 p.m.YYZ - TRS
1 stop19h 30mITA Airways
Sat 3/107:15 p.m.TRS - YYZ
1 stop24h 50mITA Airways
Deal found 11/1C$ 1,177
Tue 30/611:20 p.m.YYZ - TRS
2 stops37h 10mIcelandair
Tue 21/711:15 a.m.TRS - YYZ
2 stops16h 55mIcelandair
Deal found 11/1C$ 1,178
Fri 31/78:40 p.m.YUL - TRS
2 stops19h 15mMultiple Airlines
Fri 14/86:00 a.m.TRS - YUL
2 stops30h 28mMultiple Airlines
Deal found 10/1C$ 1,182
Fri 20/26:30 a.m.YYZ - TRS
3 stops34h 25mMultiple Airlines
Fri 10/46:35 a.m.TRS - YYZ
3 stops36h 13mMultiple Airlines
Deal found 11/1C$ 1,223
Mon 29/68:45 p.m.YYZ - TRS
2 stops15h 45mIcelandair
Thu 23/711:15 a.m.TRS - YYZ
2 stops37h 55mIcelandair
Deal found 11/1C$ 1,226

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Trieste 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 629,999 searches. Data last updated 12 January 2026.
Use the filters below to find and compare flights from Ontario to Trieste that are best for you.

Fly from

Ontario

Fly to

Trieste

Route

Depart

Return

Price

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

11:10 a.m.-2:30 p.m.

2 stops21h 20m

Trieste Ronchi dei Legionari

Wed 8/4

7:15 p.m.-2:15 p.m.

1 stop25h 00m

C$ 817

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Tue 30/6

11:20 p.m.-6:30 p.m.

2 stops37h 10m

Trieste Ronchi dei Legionari

Tue 21/7

11:15 a.m.-10:10 p.m.

2 stops16h 55m

C$ 1,178

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Fri 20/2

6:30 a.m.-10:55 p.m.

3 stops34h 25m

Trieste Ronchi dei Legionari

Fri 10/4

6:35 a.m.-7:10 a.m.

2 stops30h 35m

C$ 1,253

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Fri 3/7

5:00 p.m.-10:25 a.m.

1 stop11h 25m

Trieste Ronchi dei Legionari

Sun 19/7

7:15 p.m.-2:05 p.m.

1 stop24h 50m

C$ 1,322

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Fri 3/7

5:00 p.m.-10:25 a.m.

1 stop11h 25m

Trieste Ronchi dei Legionari

Tue 21/7

6:35 a.m.-2:05 p.m.

1 stop13h 30m

C$ 1,322

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 29/6

8:45 p.m.-6:30 p.m.

2 stops15h 45m

Trieste Ronchi dei Legionari

Wed 22/7

11:15 a.m.-10:10 p.m.

2 stops16h 55m

C$ 1,330

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Fri 3/7

5:00 p.m.-10:25 a.m.

1 stop11h 25m

Trieste Ronchi dei Legionari

Fri 24/7

6:35 a.m.-2:05 p.m.

1 stop13h 30m

C$ 1,394

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Fri 3/7

5:00 p.m.-6:30 p.m.

1 stop19h 30m

Trieste Ronchi dei Legionari

Sat 25/7

6:35 a.m.-2:05 p.m.

1 stop13h 30m

C$ 1,394

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 29/6

5:00 p.m.-10:25 a.m.

1 stop11h 25m

Trieste Ronchi dei Legionari

Sun 19/7

7:15 p.m.-2:05 p.m.

1 stop24h 50m

C$ 1,426

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sun 28/6

5:00 p.m.-2:30 p.m.

1 stop15h 30m

Trieste Ronchi dei Legionari

Sun 19/7

7:15 p.m.-2:05 p.m.

1 stop24h 50m

C$ 1,426

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/1

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

Have a flexible travel schedule? Discover the best time to fly to Trieste 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 Trieste

What is the cheapest month to book a flight from Region of Ontario to Trieste?

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Trieste (average of C$ 729). Flying from Region of Ontario to Trieste in July is currently the most expensive (average of C$ 957). 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 Trieste. 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 into for flights to Trieste from Ontario?

    Trieste Ronchi dei Legionari (TRS) is the airport you will fly into if you book a flight from Ontario to Trieste. It is only a 29.3 km journey from Ronchi dei Legionari (TRS) to Trieste’s city centre.

  • How long is the flight from Region of Ontario to Trieste?

    Departing from Region of Ontario to Trieste will take you 11h 25m. The distance from Region of Ontario to Trieste is about 6899 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Region of Ontario to Trieste?

    The most popular flight routes from Region of Ontario to Trieste are Montreal Pierre Elliott Trudeau Intl - Trieste Ronchi dei Legionari, Toronto Pearson Intl - Trieste Ronchi dei Legionari and Ottawa - Trieste Ronchi dei Legionari.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Trieste 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 Region of Ontario to Trieste?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Trieste (average of C$ 729). Flying from Region of Ontario to Trieste in July is currently the most expensive (average of C$ 957). 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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Alternative routes for Ontario to Trieste

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ontario to Trieste

Discover the top 2 airlines that operate flights from Ontario to Trieste. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 12 January 2026.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapestC$ 903AverageC$ 1,003FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights
LufthansaCheapestC$ 928AverageC$ 1,032FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Trieste?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Trieste. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Trieste?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Trieste.

Can Cheapflights find flights from Ontario to Trieste with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Trieste flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Trieste become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Trieste flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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