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 56% 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 10h 02m on average. On the other hand, flying from Ottawa to Venice Marco Polo Airport takes 18h 30m 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 November 2025, 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$ 780 Cheap Flights from Ontario to Trieste in 2025/26

1 adult

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Find the cheapest flights from Ontario to Trieste

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Cheap round-trip flights

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

15h 40m2 stops

7:15 p.m. - 2:35 p.m.TRS-YUL

25h 20m1 stop

C$ 853Multiple Airlines

Find Deal

Sun, 5 Apr - Wed, 8 Apr

6:20 p.m. - 1:55 p.m.YYZ-TRS

13h 35m1 stop

6:20 a.m. - 7:45 p.m.TRS-YYZ

19h 25m1 stop

C$ 855Lufthansa

Find Deal

Sun, 5 Apr - Wed, 8 Apr

8:40 p.m. - 1:55 p.m.YYZ-TRS

35h 15m2 stops

6:20 a.m. - 6:18 p.m.TRS-YYZ

17h 58m2 stops

C$ 858Lufthansa

Find Deal

Sun, 5 Apr - Wed, 8 Apr

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

15h 40m2 stops

6:20 a.m. - 7:41 a.m.TRS-YUL

31h 21m2 stops

C$ 878Multiple Airlines

Find Deal

Sun, 5 Apr - Wed, 8 Apr

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

15h 40m2 stops

6:20 a.m. - 7:41 a.m.TRS-YUL

31h 21m2 stops

C$ 879Multiple Airlines

Find Deal

Sun, 5 Apr - Wed, 8 Apr

6:55 p.m. - 10:15 p.m.YUL-TRS

21h 20m1 stop

6:20 a.m. - 11:45 a.m.TRS-YUL

11h 25m1 stop

C$ 1,010Multiple Airlines

Find Deal

Sun, 5 Apr - Wed, 8 Apr

9:30 p.m. - 10:40 p.m.YUL-TRS

19h 10m2 stops

3:00 p.m. - 12:00 p.m.TRS-YUL

27h 00m1 stop

C$ 1,013Lufthansa

Find Deal

Wed, 3 Dec - Sun, 7 Dec

9:25 p.m. - 10:40 p.m.YUL-TRS

20h 15m2 stops

2:40 p.m. - 2:00 p.m.TRS-YUL

29h 20m2 stops

C$ 1,015Lufthansa

Find Deal

Wed, 25 Mar - Sun, 29 Mar

9:30 p.m. - 10:40 p.m.YUL-TRS

19h 10m2 stops

3:00 p.m. - 3:45 p.m.TRS-YUL

30h 45m2 stops

C$ 1,024Lufthansa

Find Deal

Wed, 3 Dec - Sun, 7 Dec

10:45 p.m. - 10:55 p.m.YYZ-TRS

18h 10m2 stops

11:15 a.m. - 3:20 p.m.TRS-YYZ

34h 05m2 stops

C$ 3,843TAP AIR PORTUGAL

Find Deal

Mon, 1 Dec - Mon, 8 Dec

Lufthansa flights from Region of Ontario to Trieste

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

Lufthansa

5 Apr

YYZ6:20 p.m.Toronto Pearson Intl

13h 35m

1 stop

TRS1:55 p.m.Trieste Ronchi dei Legionari

8 Apr

TRS6:20 a.m.Trieste Ronchi dei Legionari

17h 58m

2 stops

YYZ6:18 p.m.Toronto Pearson Intl

C$ 855

Find similar

Lufthansa

5 Apr

YYZ8:40 p.m.Toronto Pearson Intl

35h 15m

2 stops

TRS1:55 p.m.Trieste Ronchi dei Legionari

8 Apr

TRS6:20 a.m.Trieste Ronchi dei Legionari

17h 58m

2 stops

YYZ6:18 p.m.Toronto Pearson Intl

C$ 858

Find similar

Lufthansa

3 Dec

YUL9:30 p.m.Montreal Pierre Elliott Trudeau Intl

19h 10m

2 stops

TRS10:40 p.m.Trieste Ronchi dei Legionari

7 Dec

TRS3:00 p.m.Trieste Ronchi dei Legionari

27h 00m

1 stop

YUL12:00 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,013

Find similar

KLM flights from Region of Ontario to Trieste

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

KLM

20 Dec

YYZ9:15 p.m.Toronto Pearson Intl

15h 15m

2 stops

TRS6:30 p.m.Trieste Ronchi dei Legionari

6 Jan

TRS3:15 p.m.Trieste Ronchi dei Legionari

30h 25m

2 stops

YYZ3:40 p.m.Toronto Pearson Intl

C$ 3,962

Find similar

KLM

20 Dec

YYZ9:15 p.m.Toronto Pearson Intl

19h 40m

2 stops

TRS10:55 p.m.Trieste Ronchi dei Legionari

6 Jan

TRS3:15 p.m.Trieste Ronchi dei Legionari

30h 25m

2 stops

YYZ3:40 p.m.Toronto Pearson Intl

C$ 3,963

Find similar

Fly from

Fly to

Route

Depart

Return

Price

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

7:15 p.m.-2:35 p.m.

1 stop25h 20m

C$ 853

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sun 5/4

6:20 p.m.-1:55 p.m.

1 stop13h 35m

Trieste Ronchi dei Legionari

Wed 8/4

6:20 a.m.-7:45 p.m.

1 stop19h 25m

C$ 855

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sun 5/4

8:40 p.m.-1:55 p.m.

2 stops35h 15m

Trieste Ronchi dei Legionari

Wed 8/4

6:20 a.m.-6:18 p.m.

2 stops17h 58m

C$ 858

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

6:20 a.m.-7:41 a.m.

2 stops31h 21m

C$ 878

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

6:20 a.m.-7:41 a.m.

2 stops31h 21m

C$ 879

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

6:55 p.m.-10:15 p.m.

1 stop21h 20m

Trieste Ronchi dei Legionari

Wed 8/4

6:20 a.m.-11:45 a.m.

1 stop11h 25m

C$ 1,010

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Wed 3/12

9:30 p.m.-10:40 p.m.

2 stops19h 10m

Trieste Ronchi dei Legionari

Sun 7/12

3:00 p.m.-12:00 p.m.

1 stop27h 00m

C$ 1,013

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

9:25 p.m.-10:40 p.m.

2 stops20h 15m

Trieste Ronchi dei Legionari

Sun 29/3

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

2 stops29h 20m

C$ 1,015

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Wed 3/12

9:30 p.m.-10:40 p.m.

2 stops19h 10m

Trieste Ronchi dei Legionari

Sun 7/12

3:00 p.m.-3:45 p.m.

2 stops30h 45m

C$ 1,024

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 1/12

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

2 stops18h 10m

Trieste Ronchi dei Legionari

Mon 8/12

11:15 a.m.-3:20 p.m.

2 stops34h 05m

C$ 3,843

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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 day to depart on your flight to Trieste?

The cheapest day to depart from Region of Ontario to Trieste is on a Monday when prices can be found for as low as C$ 1,085. Flights from Region of Ontario to Trieste on a Wednesday will generally be more expensive and average around C$ 1,304. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Trieste?

In the evening is the cheapest time of day to fly from Region of Ontario to Trieste when you can find flight prices for as low as C$ 1,110. Flying to Trieste in the evening is an ideal time because this is during off-peak travel hours. Flights to Trieste are more costly in the afternoon, with an average ticket price of C$ 1,170. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights	None

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

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 November 2025, 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
ITA Airways	PriceFrom C$ 910	Free Cancellation	Rating 6.7 1,083 reviews		Search ITA Airways flights
Lufthansa	PriceFrom C$ 954	Free Cancellation	Rating 6.8 7,576 reviews		Search Lufthansa 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.

An easier way to manage your Trieste trip

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Cheap flights from Ontario to Trieste from C$ 780

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Trieste departing on 31/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names, great deals

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Filter for what you want

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Lufthansa flights from Region of Ontario to Trieste

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

KLM flights from Region of Ontario to Trieste

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

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

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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

What is the cheapest day to depart on your flight to Trieste?

What is the cheapest time of day to depart on your flight to Trieste?

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

Which airlines fly to Trieste?

How long does it take to fly to Trieste?

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

Direct flights

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

How many operators does momondo search 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?

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

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

Why use momondo?

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

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

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

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

An easier way to manage your Trieste trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Italy

Fly your favourite airline to Trieste

Airlines are sorted and displayed according to clicks in the past 7 days on momondo