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Cheap flights from Ontario to Trieste from C$ 349

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — TRS
29 Jun — 6 Jul1
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 30 May 2026.

Wed 24/67:15 p.m.
YYZ
-
TRS
2 stops22h 35m
Multiple Airlines
Wed 1/73:35 p.m.
TRS
-
YYZ
2 stops27h 45m
Multiple Airlines
Deal found 27/5C$ 775
Sun 14/65:00 p.m.
YYZ
-
TRS
1 stop11h 25m
ITA Airways
Thu 18/66:35 a.m.
TRS
-
YYZ
1 stop13h 30m
ITA Airways
Deal found 28/5C$ 814
Wed 7/108:05 a.m.
YYZ
-
TRS
2 stops20h 20m
Multiple Airlines
Wed 21/106:35 a.m.
TRS
-
YYZ
2 stops18h 17m
Multiple Airlines
Deal found 28/5C$ 935
Wed 7/106:20 p.m.
YYZ
-
TRS
1 stop13h 40m
Lufthansa
Wed 21/106:10 a.m.
TRS
-
YYZ
2 stops15h 23m
Lufthansa
Deal found 27/5C$ 955
Sun 23/87:15 p.m.
YYZ
-
TRS
2 stops15h 15m
Multiple Airlines
Thu 27/811:20 a.m.
TRS
-
YYZ
2 stops32h 00m
Multiple Airlines
Deal found 29/5C$ 960
Wed 24/64:55 p.m.
YTZ
-
TRS
2 stops15h 35m
Multiple Airlines
Wed 1/76:35 a.m.
TRS
-
YTZ
2 stops21h 43m
Multiple Airlines
Deal found 27/5C$ 1,029
Wed 3/66:05 p.m.
YUL
-
TRS
1 stop13h 55m
Multiple Airlines
Wed 17/66:10 a.m.
TRS
-
YUL
1 stop11h 35m
Multiple Airlines
Deal found 29/5C$ 1,044
Tue 16/66:50 p.m.
YUL
-
TRS
2 stops22h 05m
KLM
Sat 27/63:15 p.m.
TRS
-
YUL
2 stops31h 40m
KLM
Deal found 30/5C$ 1,083
Sun 23/810:45 a.m.
YTZ
-
TRS
2 stops17h 40m
Multiple Airlines
Thu 27/86:35 a.m.
TRS
-
YTZ
2 stops18h 07m
Multiple Airlines
Deal found 29/5C$ 1,139
Sun 20/99:15 a.m.
YUL
-
TRS
2 stops43h 10m
United Airlines
Tue 6/106:35 a.m.
TRS
-
YUL
2 stops38h 05m
United Airlines
Deal found 28/5C$ 1,196
Wed 8/76:00 p.m.
YOW
-
TRS
2 stops18h 30m
Multiple Airlines
Wed 29/72:40 p.m.
TRS
-
YOW
2 stops23h 48m
Multiple Airlines
Deal found 27/5C$ 1,200
Sun 20/92:20 p.m.
YUL
-
TRS
2 stops38h 05m
United Airlines
Thu 1/106:35 a.m.
TRS
-
YUL
2 stops34h 05m
United Airlines
Deal found 28/5C$ 1,215

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 30 May 2026.

Round-trip from

C$ 775

One-way from

C$ 349
24/6-1/7
  • 24/6-1/7
  • 4 total stops
  • 50h 20m total
  • Ontario to Trieste
Search Deals
19/7
  • 19/7
  • 2 total stops
  • 29h 50m 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 30 May 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
Quickest round-trip

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sun 14/6

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

1 stop11h 25m

Trieste Ronchi dei Legionari

Thu 18/6

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

1 stop13h 30m

C$ 814

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$ 938

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Wed 7/10

6:20 p.m.-2:00 p.m.

1 stop13h 40m

Trieste Ronchi dei Legionari

Wed 21/10

6:10 a.m.-9:53 p.m.

2 stops21h 43m

C$ 955

TorontoTrieste

YTZ - TRS

YTZTRS

Toronto Island

Wed 24/6

4:55 p.m.-2:30 p.m.

2 stops15h 35m

Trieste Ronchi dei Legionari

Wed 1/7

6:35 a.m.-10:18 p.m.

2 stops21h 43m

C$ 1,029

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Tue 16/6

6:50 p.m.-10:55 p.m.

2 stops22h 05m

Trieste Ronchi dei Legionari

Sat 27/6

3:15 p.m.-4:55 p.m.

2 stops31h 40m

C$ 1,083

TorontoTrieste

YTZ - TRS

YTZTRS

Toronto Island

Sun 23/8

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

2 stops17h 40m

Trieste Ronchi dei Legionari

Thu 27/8

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

2 stops18h 07m

C$ 1,139

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sun 23/8

9:30 p.m.-10:15 p.m.

1 stop18h 45m

Trieste Ronchi dei Legionari

Thu 27/8

6:15 a.m.-7:30 p.m.

1 stop19h 15m

C$ 1,182

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Thu 13/8

12:00 p.m.-1:55 p.m.

2 stops19h 55m

Trieste Ronchi dei Legionari

Mon 17/8

6:10 a.m.-4:20 p.m.

1 stop16h 10m

C$ 1,185

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Wed 7/10

8:05 a.m.-10:25 a.m.

2 stops20h 20m

Trieste Ronchi dei Legionari

Wed 21/10

6:35 a.m.-11:59 p.m.

3 stops23h 24m

C$ 1,193

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

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

2 stops18h 40m

Trieste Ronchi dei Legionari

Tue 6/10

6:35 a.m.-7:45 p.m.

2 stops19h 10m

C$ 1,196

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/5

Showing 1-10 of 50 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 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 Toronto Pearson Intl - Trieste Ronchi dei Legionari, Montreal Pierre Elliott Trudeau 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.

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 30 May 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 849AverageC$ 875FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
ITA AirwaysCheapestC$ 923AverageC$ 1,146FlexibilityNo 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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