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Cheap flights from Ontario to Trieste from C$ 614

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — TRS
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

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 31 October 2025.

Mon 1/128:15 a.m.YYZ - TRS
3 stops32h 40mMultiple Airlines
Sun 7/1211:15 a.m.TRS - YYZ
3 stops34h 47mMultiple Airlines
Deal found 29/10C$ 1,162
Sun 9/119:30 p.m.YUL - TRS
2 stops18h 55mMultiple Airlines
Fri 14/117:35 a.m.TRS - YUL
2 stops14h 40mMultiple Airlines
Deal found 30/10C$ 1,186
Sun 9/116:45 p.m.YUL - TRS
1 stop22h 10mLufthansa
Fri 14/116:35 a.m.TRS - YUL
1 stop15h 40mLufthansa
Deal found 30/10C$ 1,469
Sun 14/123:30 p.m.YYZ - TRS
3 stops21h 00mMultiple Airlines
Tue 16/122:40 p.m.TRS - YYZ
2 stops28h 55mMultiple Airlines
Deal found 30/10C$ 1,505
Sun 14/123:15 p.m.YTZ - TRS
3 stops23h 55mMultiple Airlines
Tue 16/127:15 p.m.TRS - YTZ
3 stops28h 10mMultiple Airlines
Deal found 30/10C$ 1,578
Mon 17/116:00 a.m.YUL - TRS
2 stops22h 25mUnited Airlines
Sat 29/116:35 a.m.TRS - YUL
2 stops21h 07mUnited Airlines
Deal found 29/10C$ 1,815
Sun 14/122:00 p.m.YYZ - TRS
2 stops18h 30mLufthansa
Tue 16/122:40 p.m.TRS - YYZ
1 stop11h 05mLufthansa
Deal found 30/10C$ 1,980
Thu 18/128:40 p.m.YYZ - TRS
2 stops19h 50mMultiple Airlines
Wed 31/122:40 p.m.TRS - YYZ
1 stop11h 05mMultiple Airlines
Deal found 29/10C$ 3,305
Sun 21/129:45 p.m.YUL - TRS
2 stops43h 10mTAP AIR PORTUGAL
Fri 26/126:35 a.m.TRS - YUL
2 stops19h 40mTAP AIR PORTUGAL
Deal found 30/10C$ 4,401

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 31 October 2025.

Round-trip from

C$ 880

One-way from

C$ 595

Popular in

February

Cheapest in

June

Average price

C$ 991
Lufthansa
  • Lufthansa
  • 5/4-8/4
  • 3 total stops
  • 46h 20m total
  • Ontario to Trieste
Search Deals
12/12
  • 12/12
  • 2 total stops
  • 32h 25m total
  • Ontario to Trieste
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 516 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 71 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 31 October 2025.
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

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sun 5/4

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

1 stop19h 05m

Trieste Ronchi dei Legionari

Wed 8/4

2:40 p.m.-11:55 a.m.

2 stops27h 15m

C$ 880

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

4:50 p.m.-2:30 p.m.

2 stops15h 40m

Trieste Ronchi dei Legionari

Wed 8/4

3:15 p.m.-2:35 p.m.

1 stop29h 20m

C$ 969

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

8:40 p.m.-10:15 p.m.

2 stops19h 35m

Trieste Ronchi dei Legionari

Wed 8/4

2:40 p.m.-2:25 p.m.

2 stops29h 45m

C$ 1,053

OttawaTrieste

YOW - TRS

YOWTRS

Ottawa

Wed 1/4

2:05 p.m.-10:25 p.m.

2 stops26h 20m

Trieste Ronchi dei Legionari

Sun 5/4

6:30 a.m.-4:40 p.m.

2 stops40h 10m

C$ 1,146

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 1/12

8:15 a.m.-10:55 p.m.

3 stops32h 40m

Trieste Ronchi dei Legionari

Sun 7/12

11:15 a.m.-4:02 p.m.

3 stops34h 47m

C$ 1,162

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

9:30 p.m.-10:25 p.m.

2 stops18h 55m

Trieste Ronchi dei Legionari

Fri 14/11

7:35 a.m.-4:15 p.m.

2 stops14h 40m

C$ 1,186

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sun 5/4

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

1 stop11h 25m

Trieste Ronchi dei Legionari

Wed 8/4

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

1 stop24h 50m

C$ 1,334

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sat 21/3

3:00 p.m.-10:25 a.m.

2 stops14h 25m

Trieste Ronchi dei Legionari

Tue 7/4

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

2 stops18h 24m

C$ 1,375

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 23/3

11:45 p.m.-6:30 p.m.

2 stops37h 45m

Trieste Ronchi dei Legionari

Sat 28/3

6:35 a.m.-2:00 p.m.

2 stops36h 25m

C$ 1,428

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Tue 17/3

6:35 p.m.-6:30 p.m.

2 stops42h 55m

Trieste Ronchi dei Legionari

Fri 27/3

6:35 a.m.-10:15 p.m.

2 stops20h 40m

C$ 1,428

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 16 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$ 760). Flying from Region of Ontario to Trieste in July is currently the most expensive (average of C$ 961). 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.

What is the cheapest time of day to fly from ON to TRS?

Find hourly flight availability from Ontario to Trieste. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 October 2025.

It’s typically best to fly out from Region of Ontario to Trieste in the morning. Doing so could potentially save you 24% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 19h 05m. The distance from Region of Ontario to Trieste is about 6899 km.

  • 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.

  • 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$ 760). Flying from Region of Ontario to Trieste in July is currently the most expensive (average of C$ 961). 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 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapestC$ 907AverageC$ 1,074FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights
LufthansaCheapestC$ 950AverageC$ 1,036FlexibilityNo 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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