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Cheap flights from Ontario to Trieste from C$ 416

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 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — TRS
29 Mar — 5 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 27 February 2026.

Fri 11/95:00 p.m.
YYZ
-
TRS
1 stop11h 25m
ITA Airways
Sat 26/93:15 p.m.
TRS
-
YYZ
1 stop28h 50m
ITA Airways
Deal found 25/2C$ 841
Wed 20/55:00 p.m.
YYZ
-
TRS
1 stop15h 30m
ITA Airways
Wed 3/66:35 a.m.
TRS
-
YYZ
1 stop13h 30m
ITA Airways
Deal found 25/2C$ 847
Sun 24/55:00 p.m.
YYZ
-
TRS
1 stop11h 25m
ITA Airways
Tue 16/67:15 p.m.
TRS
-
YYZ
1 stop24h 50m
ITA Airways
Deal found 24/2C$ 860
Sun 24/55:00 p.m.
YYZ
-
TRS
1 stop15h 30m
ITA Airways
Fri 12/66:35 a.m.
TRS
-
YYZ
1 stop13h 30m
ITA Airways
Deal found 24/2C$ 871
Wed 18/36:55 p.m.
YUL
-
TRS
1 stop14h 10m
Multiple Airlines
Mon 30/32:50 p.m.
TRS
-
YUL
2 stops26h 15m
Multiple Airlines
Deal found 23/2C$ 896
Tue 16/69:15 p.m.
YUL
-
TRS
2 stops19h 40m
Multiple Airlines
Sat 27/67:15 p.m.
TRS
-
YUL
2 stops22h 25m
Multiple Airlines
Deal found 25/2C$ 899
Sat 11/44:45 p.m.
YYZ
-
TRS
2 stops15h 45m
KLM
Sat 18/46:35 a.m.
TRS
-
YYZ
2 stops22h 32m
KLM
Deal found 25/2C$ 904
Sun 24/55:00 p.m.
YYZ
-
TRS
1 stop15h 30m
ITA Airways
Mon 15/66:35 a.m.
TRS
-
YYZ
1 stop13h 30m
ITA Airways
Deal found 24/2C$ 916
Wed 3/64:40 p.m.
YUL
-
TRS
2 stops23h 45m
Multiple Airlines
Wed 17/66:10 a.m.
TRS
-
YUL
2 stops30h 18m
Multiple Airlines
Deal found 25/2C$ 919
Sun 5/46:30 p.m.
YUL
-
TRS
1 stop13h 15m
Multiple Airlines
Wed 8/42:40 p.m.
TRS
-
YUL
1 stop27h 05m
Multiple Airlines
Deal found 25/2C$ 926
Tue 17/38:10 p.m.
YUL
-
TRS
2 stops12h 50m
Multiple Airlines
Mon 30/32:50 p.m.
TRS
-
YUL
2 stops26h 15m
Multiple Airlines
Deal found 25/2C$ 942
Wed 20/58:15 p.m.
YYZ
-
TRS
2 stops16h 15m
Multiple Airlines
Wed 3/66:35 a.m.
TRS
-
YYZ
2 stops14h 00m
Multiple Airlines
Deal found 25/2C$ 944

Find flight deals from Ontario to Trieste

Keep the following information in mind while searching for Ontario to Trieste flight deals. Data was last updated 27 February 2026.

Round-trip from

C$ 847

One-way from

C$ 591
ITA Airways
  • ITA Airways
  • 20/5-3/6
  • 2 total stops
  • 29h 00m total
  • Ontario to Trieste
Search Deals
15/8
  • 15/8
  • 2 total stops
  • 18h 15m total
  • Ontario to Trieste
Search Deals

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 27 February 2026.
Use the filters below to find and compare flights from Ontario to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 25/5

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

1 stop15h 30m

Trieste Ronchi dei Legionari

Fri 12/6

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

1 stop13h 30m

C$ 871

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 25/5

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

1 stop15h 30m

Trieste Ronchi dei Legionari

Mon 15/6

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

1 stop13h 30m

C$ 916

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Wed 20/5

8:15 p.m.-6:30 p.m.

2 stops16h 15m

Trieste Ronchi dei Legionari

Wed 3/6

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

2 stops14h 00m

C$ 944

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

6:30 p.m.-1:45 p.m.

1 stop13h 15m

Trieste Ronchi dei Legionari

Wed 8/4

2:40 p.m.-11:45 a.m.

1 stop27h 05m

C$ 1,007

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 25/5

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

1 stop19h 30m

Trieste Ronchi dei Legionari

Sat 13/6

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

1 stop24h 50m

C$ 1,019

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sat 23/5

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

1 stop11h 25m

Trieste Ronchi dei Legionari

Sun 14/6

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

1 stop13h 30m

C$ 1,187

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sat 4/7

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

1 stop19h 30m

Trieste Ronchi dei Legionari

Mon 6/7

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

1 stop24h 50m

C$ 1,190

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

Thu 9/7

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

1 stop13h 30m

C$ 1,314

TorontoTrieste

YTZ - TRS

YTZTRS

Toronto Island

Tue 4/8

7:20 p.m.-10:25 a.m.

2 stops33h 05m

Trieste Ronchi dei Legionari

Tue 18/8

6:35 a.m.-6:42 p.m.

2 stops18h 07m

C$ 1,368

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sun 26/7

9:45 a.m.-10:25 a.m.

2 stops18h 40m

Trieste Ronchi dei Legionari

Thu 13/8

6:35 a.m.-2:40 p.m.

2 stops38h 05m

C$ 1,431

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/2

Showing 1-10 of 43 resultsSorted by cheapest first
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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$ 685). Flying from Region of Ontario to Trieste in July is currently the most expensive (average of C$ 941). 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 15h 30m. 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$ 685). Flying from Region of Ontario to Trieste in July is currently the most expensive (average of C$ 941). 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

Browse thousands of different options on Cheapflights for your next trip

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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 27 February 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 842AverageC$ 979FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
ITA AirwaysCheapestC$ 888AverageC$ 1,075FlexibilityNo cancel feeOn-time81%
Search ITA Airways 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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