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Cheap flights from Ontario to Trieste from C$ 468

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — TRS
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

C$ 839

One-way from

C$ 468

Popular in

February

Cheapest in

June

Average price

C$ 1,000
14/10-21/10
  • 14/10-21/10
  • 2 total stops
  • 38h 40m total
  • Ontario to Trieste
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30/10
  • 30/10
  • 1 total stop
  • 19h 20m total
  • Ontario to Trieste
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (C$ 563 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 77 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Ontario to Trieste

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 15 September 2025.

Tue 14/109:10 p.m.YYZ - TRS
1 stop19h 25mMultiple Airlines
Tue 21/106:30 a.m.TRS - YYZ
1 stop19h 15mMultiple Airlines
Deal found 14/9C$ 839
Mon 13/107:35 p.m.YYZ - TRS
1 stop16h 55mMultiple Airlines
Tue 21/107:55 a.m.TRS - YYZ
2 stops16h 03mMultiple Airlines
Deal found 14/9C$ 840
Sun 28/98:40 p.m.YYZ - TRS
2 stops19h 55mLufthansa
Fri 17/106:30 a.m.TRS - YYZ
1 stop15h 50mLufthansa
Deal found 14/9C$ 931
Tue 14/106:00 p.m.YYZ - TRS
2 stops38h 05mLufthansa
Tue 21/106:30 a.m.TRS - YYZ
2 stops15h 04mLufthansa
Deal found 14/9C$ 934
Mon 13/1012:15 p.m.YYZ - TRS
2 stops24h 15mKLM
Tue 21/103:15 p.m.TRS - YYZ
2 stops37h 50mKLM
Deal found 14/9C$ 941
Wed 15/109:10 p.m.YYZ - TRS
1 stop10h 55mMultiple Airlines
Sun 19/106:30 a.m.TRS - YYZ
2 stops37h 45mMultiple Airlines
Deal found 14/9C$ 990
Mon 20/102:40 p.m.YOW - TRS
2 stops17h 25mMultiple Airlines
Mon 3/112:40 p.m.TRS - YOW
2 stops30h 43mMultiple Airlines
Deal found 15/9C$ 993
Sun 2/118:05 p.m.YUL - TRS
2 stops35h 55mLufthansa
Sun 9/113:00 p.m.TRS - YUL
2 stops33h 20mLufthansa
Deal found 14/9C$ 1,046
Thu 16/106:35 p.m.YUL - TRS
1 stop21h 50mLufthansa
Mon 17/112:40 p.m.TRS - YUL
1 stop27h 20mLufthansa
Deal found 15/9C$ 1,131
Sun 2/118:05 p.m.YUL - TRS
1 stop20h 45mMultiple Airlines
Sun 9/116:35 a.m.TRS - YUL
2 stops15h 35mMultiple Airlines
Deal found 14/9C$ 1,142
Thu 16/1011:45 p.m.YUL - TRS
2 stops17h 10mMultiple Airlines
Mon 17/1111:15 a.m.TRS - YUL
2 stops30h 55mMultiple Airlines
Deal found 15/9C$ 1,180
Mon 13/106:55 p.m.YTZ - TRS
3 stops20h 30mMultiple Airlines
Tue 21/106:35 a.m.TRS - YTZ
3 stops17h 35mMultiple Airlines
Deal found 14/9C$ 1,250

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 15 September 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

Tue 14/10

9:10 p.m.-10:35 p.m.

1 stop19h 25m

Trieste Ronchi dei Legionari

Tue 21/10

6:30 a.m.-7:45 p.m.

1 stop19h 15m

C$ 839

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 13/10

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

1 stop19h 15m

Trieste Ronchi dei Legionari

Tue 21/10

6:30 a.m.-12:40 p.m.

1 stop12h 10m

C$ 884

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 13/10

12:15 p.m.-6:30 p.m.

2 stops24h 15m

Trieste Ronchi dei Legionari

Tue 21/10

3:15 p.m.-11:05 p.m.

2 stops37h 50m

C$ 941

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Wed 15/10

9:10 p.m.-2:05 p.m.

1 stop10h 55m

Trieste Ronchi dei Legionari

Sun 19/10

6:30 a.m.-2:15 p.m.

2 stops37h 45m

C$ 990

OttawaTrieste

YOW - TRS

YOWTRS

Ottawa

Mon 20/10

2:40 p.m.-2:05 p.m.

2 stops17h 25m

Trieste Ronchi dei Legionari

Mon 3/11

2:40 p.m.-3:23 p.m.

2 stops30h 43m

C$ 993

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sun 28/9

9:10 p.m.-10:35 p.m.

1 stop19h 25m

Trieste Ronchi dei Legionari

Fri 17/10

6:30 a.m.-4:20 p.m.

1 stop15h 50m

C$ 995

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sun 2/11

8:05 p.m.-2:00 p.m.

2 stops35h 55m

Trieste Ronchi dei Legionari

Sun 9/11

3:00 p.m.-6:20 p.m.

2 stops33h 20m

C$ 1,046

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Wed 15/10

4:00 p.m.-2:05 p.m.

2 stops16h 05m

Trieste Ronchi dei Legionari

Sun 19/10

6:30 a.m.-2:15 p.m.

2 stops37h 45m

C$ 1,053

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

6:35 p.m.-10:25 p.m.

1 stop21h 50m

Trieste Ronchi dei Legionari

Mon 17/11

2:40 p.m.-12:00 p.m.

1 stop27h 20m

C$ 1,131

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

11:45 p.m.-10:55 p.m.

2 stops17h 10m

Trieste Ronchi dei Legionari

Mon 17/11

11:15 a.m.-12:10 p.m.

2 stops30h 55m

C$ 1,180

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 23 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 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 15 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Trieste as you normally would.

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 24h 15m. 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

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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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapestC$ 897AverageC$ 1,147FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights
LufthansaCheapestC$ 940AverageC$ 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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