Which airlines fly to Trieste?

Air Canada, Air Transat and Lufthansa are the top three most popular airlines that fly to Trieste from Region of Ontario according to our data. Air Canada is the first choice among our users, with 47% of people opting to fly with this airline when travelling to Trieste. Keep in mind that there are 12 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Trieste Ronchi dei Legionari?

United Airlines is the most popular carrier operating from Ontario to Trieste Ronchi dei Legionari

How long does it take to fly to Trieste?

Flight times vary depending on what airport in Region of Ontario you fly out of and what airport in Trieste you fly into. For example, flying from Toronto to Venice Marco Polo Airport takes 9h 40m on average. On the other hand, flying from Ottawa to Venice Marco Polo Airport takes 19h 25m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

When did momondo last update prices for flights from Ontario to Trieste Ronchi dei Legionari Airport?

Prices for flights from Ontario to Trieste Ronchi dei Legionari Airport refresh daily.

How many operators does momondo search for flights from Ontario to Trieste Ronchi dei Legionari Airport?

As of April 2026, there are 2 operators available to choose from for flights from Ontario to Trieste Ronchi dei Legionari Airport.

How old do you have to be to fly from Ontario to Trieste Ronchi dei Legionari Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Trieste Ronchi dei Legionari Airport.

What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

The travel and health documents you'll need for your trip to Trieste Ronchi dei Legionari Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 385 Cheap Flights from Ontario to Trieste in 2026

1 adult

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Find the cheapest flights from Ontario to Trieste

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

YYZ

TRS

11h 25m

1 stop

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

TRS

YYZ

13h 30m

1 stop

C$ 773ITA Airways

Sun, 24 May - Mon, 8 Jun

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

YYZ

TRS

15h 30m

1 stop

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

TRS

YYZ

13h 30m

1 stop

C$ 805ITA Airways

Sun, 24 May - Mon, 8 Jun

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

YYZ

TRS

15h 30m

1 stop

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

TRS

YYZ

13h 30m

1 stop

C$ 806ITA Airways

Sun, 24 May - Mon, 8 Jun

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

YYZ

TRS

15h 30m

1 stop

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

TRS

YYZ

13h 30m

1 stop

C$ 813ITA Airways

Mon, 25 May - Mon, 8 Jun

10:55 p.m. - 7:00 p.m.

YYZ

TRS

14h 05m

2 stops

6:00 a.m. - 2:25 p.m.

TRS

YYZ

14h 25m

1 stop

C$ 866Multiple Airlines

Mon, 25 May - Sat, 6 Jun

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

YTZ

TRS

20h 00m

2 stops

6:35 a.m. - 9:32 p.m.

TRS

YTZ

20h 57m

2 stops

C$ 937Multiple Airlines

Tue, 26 May - Mon, 8 Jun

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

YUL

TRS

22h 05m

2 stops

6:35 a.m. - 4:55 p.m.

TRS

YUL

16h 20m

2 stops

C$ 961KLM

Wed, 3 Jun - Wed, 17 Jun

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

YUL

TRS

22h 05m

2 stops

6:35 a.m. - 4:55 p.m.

TRS

YUL

16h 20m

2 stops

C$ 1,226KLM

Wed, 3 Jun - Wed, 17 Jun

7:30 p.m. - 10:25 a.m.

YOW

TRS

32h 55m

2 stops

6:35 a.m. - 9:11 a.m.

TRS

YOW

32h 36m

2 stops

C$ 1,781United Airlines

Sat, 6 Jun - Wed, 10 Jun

7:30 p.m. - 10:25 a.m.

YOW

TRS

32h 55m

2 stops

6:35 a.m. - 11:54 p.m.

TRS

YOW

23h 19m

2 stops

C$ 1,803United Airlines

Sun, 7 Jun - Thu, 11 Jun

Lufthansa flights from Region of Ontario to Trieste

Our best Lufthansa deals on Region of Ontario to Trieste flight tickets

Lufthansa

27 May

YYZ9:15 p.m.Toronto Pearson Intl

19h 10m

1 stop

TRS10:25 p.m.Trieste Ronchi dei Legionari

8 Jun

TRS6:10 a.m.Trieste Ronchi dei Legionari

12h 45m

1 stop

YYZ12:55 p.m.Toronto Pearson Intl

C$ 1,025

Lufthansa

8 May

YYZ9:15 p.m.Toronto Pearson Intl

18h 40m

1 stop

TRS9:55 p.m.Trieste Ronchi dei Legionari

16 May

TRS6:15 a.m.Trieste Ronchi dei Legionari

19h 15m

1 stop

YYZ7:30 p.m.Toronto Pearson Intl

C$ 1,044

Lufthansa

8 May

YYZ9:15 p.m.Toronto Pearson Intl

18h 40m

1 stop

TRS9:55 p.m.Trieste Ronchi dei Legionari

17 May

TRS6:10 a.m.Trieste Ronchi dei Legionari

16h 05m

2 stops

YYZ4:15 p.m.Toronto Pearson Intl

C$ 1,148

KLM flights from Region of Ontario to Trieste

Our best KLM deals on Region of Ontario to Trieste flight tickets

KLM

6 Jun

YYZ9:55 p.m.Toronto Pearson Intl

19h 00m

2 stops

TRS10:55 p.m.Trieste Ronchi dei Legionari

13 Jun

TRS6:35 a.m.Trieste Ronchi dei Legionari

22h 40m

2 stops

YYZ11:15 p.m.Toronto Pearson Intl

C$ 948

KLM

3 Jun

YUL6:50 p.m.Montreal Pierre Elliott Trudeau Intl

22h 05m

2 stops

TRS10:55 p.m.Trieste Ronchi dei Legionari

17 Jun

TRS6:35 a.m.Trieste Ronchi dei Legionari

16h 20m

2 stops

YUL4:55 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 961

KLM

27 May

YYZ4:04 p.m.Toronto Pearson Intl

16h 26m

2 stops

TRS2:30 p.m.Trieste Ronchi dei Legionari

8 Jun

TRS6:35 a.m.Trieste Ronchi dei Legionari

16h 49m

2 stops

YYZ5:24 p.m.Toronto Pearson Intl

C$ 989

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sun 24/5

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

1 stop11h 25m

Trieste Ronchi dei Legionari

Mon 8/6

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

1 stop13h 30m

C$ 773

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sun 24/5

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

1 stop15h 30m

Trieste Ronchi dei Legionari

Mon 8/6

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

1 stop13h 30m

C$ 805

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sun 24/5

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

1 stop15h 30m

Trieste Ronchi dei Legionari

Mon 8/6

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

1 stop13h 30m

C$ 806

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 25/5

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

1 stop15h 30m

Trieste Ronchi dei Legionari

Mon 8/6

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

1 stop13h 30m

C$ 813

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 25/5

10:55 p.m.-7:00 p.m.

2 stops14h 05m

Trieste Ronchi dei Legionari

Sat 6/6

6:00 a.m.-2:25 p.m.

1 stop14h 25m

C$ 866

TorontoTrieste

YTZ - TRS

YTZTRS

Toronto Island

Tue 26/5

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

2 stops20h 00m

Trieste Ronchi dei Legionari

Mon 8/6

6:35 a.m.-9:32 p.m.

2 stops20h 57m

C$ 937

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

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

2 stops22h 05m

Trieste Ronchi dei Legionari

Wed 17/6

6:35 a.m.-4:55 p.m.

2 stops16h 20m

C$ 961

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

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

2 stops22h 05m

Trieste Ronchi dei Legionari

Wed 17/6

6:35 a.m.-4:55 p.m.

2 stops16h 20m

C$ 1,226

OttawaTrieste

YOW - TRS

YOWTRS

Ottawa

Sat 6/6

7:30 p.m.-10:25 a.m.

2 stops32h 55m

Trieste Ronchi dei Legionari

Wed 10/6

6:35 a.m.-9:11 a.m.

2 stops32h 36m

C$ 1,781

OttawaTrieste

YOW - TRS

YOWTRS

Ottawa

Sun 7/6

7:30 p.m.-10:25 a.m.

2 stops32h 55m

Trieste Ronchi dei Legionari

Thu 11/6

6:35 a.m.-11:54 p.m.

2 stops23h 19m

C$ 1,803

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Region of Ontario to Trieste

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Trieste?

If you aren’t able to travel during the month of November, then book flights to Trieste from Region of Ontario during January instead. Flights to Trieste in January, while not as cheap as those in November, still average around C$ 819.

Cheap Region of Ontario to Trieste flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Trieste

Fastest flight time	11h 10m
Direct flights	None

The fastest flight from Region of Ontario to Trieste takes 11h 10m

There are no direct flights from Region of Ontario to Trieste. There are no popular flight routes from Region of Ontario to Trieste.

Search flight deals

Frequently asked questions about flying from Ontario to Trieste

When did momondo last update prices for flights from Ontario to Trieste Ronchi dei Legionari Airport?
Prices for flights from Ontario to Trieste Ronchi dei Legionari Airport refresh daily.
How many operators does momondo search for flights from Ontario to Trieste Ronchi dei Legionari Airport?
As of April 2026, there are 2 operators available to choose from for flights from Ontario to Trieste Ronchi dei Legionari Airport.
How old do you have to be to fly from Ontario to Trieste Ronchi dei Legionari Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Trieste Ronchi dei Legionari Airport.
What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?
The travel and health documents you'll need for your trip to Trieste Ronchi dei Legionari Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Region of Ontario to Trieste

Compare and see reviews for airlines that fly from Region of Ontario to Trieste with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom C$ 841	Free Cancellation	Rating 6.8 7,956 reviews		Search Lufthansa flights
ITA Airways	PriceFrom C$ 915	Free Cancellation	Rating 6.7 1,198 reviews		Search ITA Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Trieste?

It is quick and easy to find Ontario to Trieste flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Trieste that suits you.

Can I find flights from Ontario to Trieste with flexible booking policies on momondo?

Flights from Ontario to Trieste with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Trieste?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Trieste from Ontario.

I’m not ready to book a flight from Ontario to Trieste right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Trieste now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Trieste and let you know when they change.