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Cheap flights from Ontario to Trieste from C$ 375

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — TRS
10 Aug — 17 Aug1
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 11 July 2026.

Wed 7/1012:25 p.m.
YYZ
-
TRS
2 stops16h 00m
Multiple Airlines
Wed 21/107:15 p.m.
TRS
-
YYZ
1 stop24h 50m
Multiple Airlines
Deal found 7/7C$ 845
Wed 29/75:00 p.m.
YYZ
-
TRS
1 stop23h 55m
ITA Airways
Tue 8/97:15 p.m.
TRS
-
YYZ
1 stop24h 50m
ITA Airways
Deal found 7/7C$ 897
Sun 30/85:00 p.m.
YYZ
-
TRS
1 stop23h 55m
ITA Airways
Mon 7/97:15 p.m.
TRS
-
YYZ
1 stop24h 50m
ITA Airways
Deal found 8/7C$ 899
Sun 2/85:00 p.m.
YYZ
-
TRS
1 stop19h 30m
ITA Airways
Mon 7/97:15 p.m.
TRS
-
YYZ
1 stop24h 50m
ITA Airways
Deal found 11/7C$ 900
Mon 13/75:00 p.m.
YYZ
-
TRS
1 stop23h 55m
ITA Airways
Mon 20/77:15 p.m.
TRS
-
YYZ
1 stop24h 50m
ITA Airways
Deal found 8/7C$ 919
Sun 2/85:00 p.m.
YYZ
-
TRS
1 stop23h 55m
ITA Airways
Fri 11/96:35 a.m.
TRS
-
YYZ
1 stop13h 30m
ITA Airways
Deal found 11/7C$ 923
Sat 12/911:45 p.m.
YUL
-
TRS
1 stop10h 50m
Multiple Airlines
Thu 24/910:30 a.m.
TRS
-
YUL
1 stop12h 50m
Multiple Airlines
Deal found 7/7C$ 953
Mon 14/97:25 p.m.
YUL
-
TRS
2 stops22h 10m
Multiple Airlines
Fri 25/910:50 p.m.
TRS
-
YUL
1 stop18h 15m
Multiple Airlines
Deal found 7/7C$ 967
Wed 5/812:15 p.m.
YTZ
-
TRS
2 stops16h 10m
Multiple Airlines
Wed 9/96:35 a.m.
TRS
-
YTZ
2 stops18h 16m
Multiple Airlines
Deal found 11/7C$ 1,003
Sun 13/99:00 a.m.
YUL
-
TRS
2 stops46h 05m
Multiple Airlines
Fri 25/910:50 p.m.
TRS
-
YUL
1 stop18h 15m
Multiple Airlines
Deal found 7/7C$ 1,006
Tue 15/97:00 p.m.
YUL
-
TRS
2 stops19h 15m
Multiple Airlines
Fri 25/910:50 p.m.
TRS
-
YUL
1 stop18h 15m
Multiple Airlines
Deal found 7/7C$ 1,025
Wed 16/910:45 p.m.
YUL
-
TRS
2 stops19h 05m
Multiple Airlines
Fri 25/910:50 p.m.
TRS
-
YUL
1 stop18h 15m
Multiple Airlines
Deal found 7/7C$ 1,045

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 11 July 2026.

Round-trip from

C$ 845

One-way from

C$ 375
ITA Airways
  • ITA Airways
  • 7/10-21/10
  • 3 total stops
  • 40h 50m total
  • Ontario to Trieste
Search Deals
24/8
  • 24/8
  • 3 total stops
  • 21h 35m 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 11 July 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

Cheapest round-trip

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Wed 7/10

12:25 p.m.-10:25 a.m.

2 stops16h 00m

Trieste Ronchi dei Legionari

Wed 21/10

6:35 a.m.-8:47 p.m.

2 stops20h 12m

C$ 914

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Wed 5/8

5:00 p.m.-10:55 p.m.

1 stop23h 55m

Trieste Ronchi dei Legionari

Wed 9/9

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

1 stop13h 30m

C$ 937
Quickest round-trip

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sat 1/8

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

1 stop11h 25m

Trieste Ronchi dei Legionari

Wed 9/9

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

1 stop13h 30m

C$ 957

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Fri 9/10

4:45 p.m.-2:30 p.m.

2 stops15h 45m

Trieste Ronchi dei Legionari

Fri 23/10

6:35 a.m.-11:29 p.m.

2 stops22h 54m

C$ 975

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sat 8/8

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

1 stop11h 25m

Trieste Ronchi dei Legionari

Fri 11/9

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

1 stop13h 30m

C$ 982

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sat 29/8

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

1 stop11h 25m

Trieste Ronchi dei Legionari

Mon 7/9

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

1 stop24h 50m

C$ 1,054

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

9:50 p.m.-10:15 p.m.

1 stop18h 25m

Trieste Ronchi dei Legionari

Thu 24/9

6:15 a.m.-12:00 p.m.

1 stop11h 45m

C$ 1,063

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Mon 14/9

9:50 p.m.-10:25 p.m.

1 stop18h 35m

Trieste Ronchi dei Legionari

Wed 23/9

6:10 a.m.-4:21 p.m.

2 stops16h 11m

C$ 1,074

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 3/8

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

1 stop11h 25m

Trieste Ronchi dei Legionari

Sat 5/9

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

1 stop13h 30m

C$ 1,084

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Mon 7/9

8:30 p.m.-10:25 p.m.

2 stops19h 55m

Trieste Ronchi dei Legionari

Sun 27/9

6:10 a.m.-8:32 p.m.

2 stops20h 22m

C$ 1,118

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/7

Showing 1-10 of 45 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

How much does it cost to fly round-trip from Region of Ontario to Trieste?

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 18h 25m. The distance from Region of Ontario to Trieste is about 6408 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 Toronto Pearson Intl - Trieste Ronchi dei Legionari, Montreal Pierre Elliott Trudeau Intl - Trieste Ronchi dei Legionari and Toronto Island - 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.

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 11 July 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 871AverageC$ 897FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
ITA AirwaysCheapestC$ 947AverageC$ 1,176FlexibilityNo 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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