How long is the flight from Region of Ontario to Trieste?

Departing from Region of Ontario to Trieste will take you 19h 55m. 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.

In terms of precipitation, rainfall in Trieste ranges from 62.0 - 114.0 mm per month. November is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit Trieste when rainfall is around 62.0 mm.

If weather is an important factor for your trip to Trieste, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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.

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

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.

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.

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.

C$ 429+ Cheap Flights from Ontario to Trieste

Cheap flight deals from Ontario to Trieste

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 28 August 2026.

Mon 12/105:00 p.m. -

1 stop11h 25m

Wed 21/103:15 p.m. -

1 stop28h 50m

Deal found 26/8C$ 727

Mon 12/1012:15 p.m. -

2 stops20h 15m

Wed 21/106:35 a.m. -

2 stops16h 44m

Deal found 26/8C$ 764

Mon 21/94:45 p.m. -

2 stops19h 45m

Tue 24/113:15 p.m. -

2 stops30h 25m

Deal found 27/8C$ 766

Mon 21/95:00 p.m. -

1 stop15h 30m

Tue 24/116:35 a.m. -

2 stops17h 22m

Deal found 27/8C$ 883

Thu 15/102:10 p.m. -

2 stops18h 20m

Wed 21/107:15 p.m. -

1 stop24h 50m

Deal found 27/8C$ 895

Mon 12/105:00 p.m. -

1 stop15h 30m

Wed 21/106:35 a.m. -

2 stops18h 12m

Deal found 26/8C$ 900

Mon 21/912:25 p.m. -

2 stops16h 00m

Tue 24/116:35 a.m. -

2 stops18h 10m

Deal found 27/8C$ 908

Fri 11/911:55 p.m. -

1 stop33h 30m

Tue 29/910:15 p.m. -

1 stop23h 25m

Deal found 24/8C$ 956

Mon 5/104:35 p.m. -

1 stop15h 20m

Fri 9/106:10 a.m. -

1 stop15h 50m

Deal found 27/8C$ 961

Sun 13/911:55 p.m. -

2 stops28h 40m

Fri 25/96:20 p.m. -

1 stop24h 25m

Deal found 24/8C$ 967

Mon 14/99:05 p.m. -

1 stop15h 55m

Fri 25/96:20 p.m. -

1 stop24h 25m

Deal found 24/8C$ 974

Mon 7/911:00 p.m. -

1 stop14h 00m

Sun 27/94:15 p.m. -

2 stops28h 00m

Deal found 25/8C$ 1,060

Best flights from Ontario to Trieste
Discover carefully curated flight deals from Ontario to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Mon 12/1012:15 p.m. -

2 stops20h 15m

Wed 21/106:35 a.m. -

2 stops16h 44m

Deal found 26/8C$ 764

Mon 21/95:00 p.m. -

1 stop15h 30m

Tue 24/116:35 a.m. -

2 stops21h 43m

Deal found 26/8C$ 896

Mon 7/98:30 p.m. -

2 stops19h 55m

Sun 27/96:10 a.m. -

2 stops42h 06m

Deal found 27/8C$ 1,153

Sun 22/119:45 p.m. -

2 stops14h 45m

Thu 26/1111:15 a.m. -

2 stops38h 40m

Deal found 26/8C$ 1,490

Mon 21/94:45 p.m. -

2 stops19h 45m

Tue 24/113:15 p.m. -

2 stops30h 25m

Deal found 27/8C$ 766

Sun 4/103:15 p.m. -

2 stops37h 10m

Thu 8/106:35 a.m. -

2 stops33h 43m

Deal found 26/8C$ 1,567

Mon 12/105:00 p.m. -

1 stop15h 30m

Wed 21/106:35 a.m. -

2 stops18h 12m

Deal found 26/8C$ 900

Mon 21/912:25 p.m. -

2 stops16h 00m

Tue 24/116:35 a.m. -

2 stops18h 10m

Deal found 27/8C$ 908

Wed 7/109:30 p.m. -

1 stop18h 55m

Wed 21/106:10 a.m. -

2 stops30h 34m

Deal found 27/8C$ 985

Mon 5/105:00 p.m. -

2 stops14h 55m

Fri 9/106:10 a.m. -

2 stops16h 11m

Deal found 27/8C$ 990

Mon 7/96:05 p.m. -

1 stop13h 50m

Mon 28/96:10 a.m. -

1 stop15h 50m

Deal found 26/8C$ 1,477

Thu 15/107:55 p.m. -

2 stops18h 20m

Wed 21/106:35 a.m. -

3 stops33h 46m

Deal found 27/8C$ 1,093

Sun 18/103:10 p.m. -

2 stops37h 15m

Thu 22/106:35 a.m. -

2 stops22h 00m

Deal found 25/8C$ 1,655

Wed 23/99:30 p.m. -

1 stop18h 55m

Wed 30/92:40 p.m. -

2 stops22h 04m

Deal found 25/8C$ 1,098

Mon 12/104:30 p.m. -

2 stops15h 50m

Wed 21/107:35 p.m. -

3 stops26h 15m

Deal found 26/8C$ 1,108

Mon 7/98:30 p.m. -

2 stops19h 55m

Mon 28/92:50 p.m. -

2 stops35h 50m

Deal found 26/8C$ 1,187

Mon 7/96:05 p.m. -

1 stop13h 50m

Sun 27/96:10 a.m. -

2 stops31h 00m

Deal found 27/8C$ 1,225

Wed 23/93:35 p.m. -

3 stops24h 50m

Wed 30/96:10 a.m. -

3 stops21h 20m

Deal found 25/8C$ 1,331

Sat 12/912:25 p.m. -

2 stops16h 00m

Sat 26/96:35 a.m. -

2 stops19h 36m

Deal found 24/8C$ 1,380

Sun 11/1012:15 p.m. -

2 stops16h 10m

Thu 29/106:35 a.m. -

2 stops17h 10m

Deal found 22/8C$ 1,520

Fri 11/912:30 p.m. -

2 stops19h 25m

Fri 25/96:10 a.m. -

2 stops19h 40m

Deal found 24/8C$ 1,829

Sat 12/93:15 p.m. -

2 stops17h 15m

Fri 25/96:10 a.m. -

2 stops21h 20m

Deal found 24/8C$ 1,829

Mon 14/912:00 p.m. -

2 stops16h 25m

Sat 17/108:30 a.m. -

3 stops23h 05m

Deal found 27/8C$ 2,286

Find flight deals from Ontario to Trieste

Round-trip from	C$ 727
One-way from	C$ 429

ITA Airways
12/10-21/10
2 total stops
40h 15m total
Ontario to Trieste

Search Deals

7/10
2 total stops
19h 35m total
Ontario to Trieste

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoTrieste

YYZ Toronto Pearson Intl - TRS Trieste Ronchi dei Legionari

YYZTRS

Toronto Pearson Intl

Mon 12/10

12:15 p.m.-2:30 p.m.

2 stops20h 15m

Trieste Ronchi dei Legionari

Wed 21/10

6:35 a.m.-5:19 p.m.

2 stops16h 44m

C$ 764

TorontoTrieste

YYZ Toronto Pearson Intl - TRS Trieste Ronchi dei Legionari

YYZTRS

Toronto Pearson Intl

Mon 21/9

4:45 p.m.-6:30 p.m.

2 stops19h 45m

Trieste Ronchi dei Legionari

Tue 24/11

3:15 p.m.-3:40 p.m.

2 stops30h 25m

C$ 766

TorontoTrieste

YYZ Toronto Pearson Intl - TRS Trieste Ronchi dei Legionari

YYZTRS

Toronto Pearson Intl

Mon 21/9

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

1 stop15h 30m

Trieste Ronchi dei Legionari

Tue 24/11

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

2 stops21h 43m

C$ 896

TorontoTrieste

YYZ Toronto Pearson Intl - TRS Trieste Ronchi dei Legionari

YYZTRS

Toronto Pearson Intl

Mon 12/10

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

1 stop15h 30m

Trieste Ronchi dei Legionari

Wed 21/10

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

2 stops18h 12m

C$ 900

TorontoTrieste

YTZ Toronto Island - TRS Trieste Ronchi dei Legionari

YTZTRS

Toronto Island

Mon 21/9

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

2 stops16h 00m

Trieste Ronchi dei Legionari

Tue 24/11

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

2 stops18h 10m

C$ 908

TorontoTrieste

YYZ Toronto Pearson Intl - TRS Trieste Ronchi dei Legionari

YYZTRS

Toronto Pearson Intl

Wed 7/10

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

1 stop18h 55m

Trieste Ronchi dei Legionari

Wed 21/10

6:10 a.m.-6:44 a.m.

2 stops30h 34m

C$ 985

MontrealTrieste

YUL Montreal Pierre Elliott Trudeau Intl - TRS Trieste Ronchi dei Legionari

YULTRS

Montreal Pierre Elliott Trudeau Intl

Mon 5/10

5:00 p.m.-1:55 p.m.

2 stops14h 55m

Trieste Ronchi dei Legionari

Fri 9/10

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

2 stops16h 11m

C$ 990

TorontoTrieste

YTZ Toronto Island - TRS Trieste Ronchi dei Legionari

YTZTRS

Toronto Island

Thu 15/10

7:55 p.m.-8:15 p.m.

2 stops18h 20m

Trieste Ronchi dei Legionari

Wed 21/10

6:35 a.m.-10:21 a.m.

3 stops33h 46m

C$ 1,093

TorontoTrieste

YYZ Toronto Pearson Intl - TRS Trieste Ronchi dei Legionari

YYZTRS

Toronto Pearson Intl

Wed 23/9

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

1 stop18h 55m

Trieste Ronchi dei Legionari

Wed 30/9

2:40 p.m.-6:44 a.m.

2 stops22h 04m

C$ 1,098

TorontoTrieste

YTZ Toronto Island - TRS Trieste Ronchi dei Legionari

YTZTRS

Toronto Island

Mon 12/10

4:30 p.m.-2:20 p.m.

2 stops15h 50m

Trieste Ronchi dei Legionari

Wed 21/10

7:35 p.m.-3:50 p.m.

3 stops26h 15m

C$ 1,108

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/8

Showing 1-10 of 31 resultsSorted by cheapest first

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.

YYZ-TRS

YOW-TRS

YUL-TRS

YTZ-TRS

YHM-TRS

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

CAON-TRS

YYZ-TRS

YOW-TRS

YUL-TRS

YTZ-TRS

No data available for this route at this time. Please check back soon.

Related info for your journey

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 55m. 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

Alternative routes

Complete your trip

Direct flights to Italy

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Ontario to Trieste

Top 2 airlines flying from Ontario to Trieste

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	CheapestC$ 854	AverageC$ 877	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
ITA Airways	CheapestC$ 1,090	AverageC$ 1,302	FlexibilityNo cancel fee	On-time81%	Search ITA Airways flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ontario to Trieste from C$ 429

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Trieste

Cheapest flights from Ontario to TriesteExplore 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 28 August 2026.

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 28 August 2026.

Best flights from Ontario to TriesteDiscover carefully curated flight deals from Ontario to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Discover carefully curated flight deals from Ontario to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Last-minute flights from Ontario to TriesteDiscover last-minute flight deals from Ontario to Trieste. Data last updated 28 August 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Trieste. Data last updated 28 August 2026 and is based on user searches.

One-way flights from Ontario to TriesteSearch for one-way flight options from Ontario to Trieste. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.

Search for one-way flight options from Ontario to Trieste. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.

Find flight deals from Ontario to Trieste

Round-trip from

One-way from

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Related info for your journey

What airport do you fly into for flights to Trieste from Ontario?

How long is the flight from Region of Ontario to Trieste?

What are the most popular routes from Region of Ontario to Trieste?

Can I find deals for flights from Ontario to Trieste that include hotel bookings?

How can I find direct flights from Ontario to Trieste?

Can I find deals for business class flights from Ontario to Trieste?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Trieste

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Trieste by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Italy

Book a non-stop flight to one of these other cities located in Italy.

Search flights from Ontario to Trieste by cabin class

Find flights from Ontario to Trieste, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and Trieste flights

Browse other Ontario and Trieste flight options. Last updated on 28 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 2 airlines flying from Ontario to Trieste

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to Trieste?

Why should you use Cheapflights to find cheap flight tickets from Ontario to Trieste?

Can Cheapflights find flights from Ontario to Trieste with no change fees?

Can Cheapflights notify me if prices for flights from Ontario to Trieste become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 28 August 2026.

Best flights from Ontario to Trieste
Discover carefully curated flight deals from Ontario to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Last-minute flights from Ontario to Trieste
Discover last-minute flight deals from Ontario to Trieste. Data last updated 28 August 2026 and is based on user searches.

One-way flights from Ontario to Trieste
Search for one-way flight options from Ontario to Trieste. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.