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 57% of people opting to fly with this airline when travelling to Trieste. Keep in mind that there are 13 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?

ITA Airways 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 11h 30m on average. On the other hand, flying from Ottawa to Venice Marco Polo Airport takes 14h 37m 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 December 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$ 454 Cheap Flights from Ontario to Trieste in 2025/26

1 adult

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Find the cheapest flights from Ontario to Trieste

Round-trip

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Cheap round-trip flights

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11:10 a.m. - 2:30 p.m.

YUL

TRS

21h 20m2 stops

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

TRS

YUL

29h 00m1 stop

C$ 842Multiple Airlines

Sun, 5 Apr - Wed, 8 Apr

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

YYZ

TRS

20h 00m2 stops

1:05 p.m. - 4:45 p.m.

TRS

YYZ

57h 40m2 stops

C$ 843Multiple Airlines

Fri, 23 Jan - Fri, 30 Jan

4:10 p.m. - 2:30 p.m.

YUL

TRS

16h 20m2 stops

11:15 a.m. - 11:05 a.m.

TRS

YUL

29h 50m2 stops

C$ 880Multiple Airlines

Sun, 5 Apr - Wed, 8 Apr

6:30 p.m. - 1:45 p.m.

YUL

TRS

13h 15m1 stop

2:40 p.m. - 11:45 a.m.

TRS

YUL

27h 05m1 stop

C$ 1,192Lufthansa

Sun, 5 Apr - Wed, 8 Apr

8:15 a.m. - 10:25 a.m.

YUL

TRS

20h 10m2 stops

6:35 a.m. - 9:40 p.m.

TRS

YUL

21h 05m2 stops

C$ 1,260United Airlines

Sun, 14 Jun - Wed, 24 Jun

12:45 p.m. - 10:25 a.m.

YYZ

TRS

15h 40m2 stops

6:35 a.m. - 6:57 p.m.

TRS

YYZ

18h 22m2 stops

C$ 1,440United Airlines

Sun, 8 Feb - Fri, 13 Feb

1:10 p.m. - 2:30 p.m.

YUL

TRS

19h 20m2 stops

6:35 a.m. - 5:21 p.m.

TRS

YUL

16h 46m2 stops

C$ 1,528ITA Airways

Wed, 15 Apr - Sun, 19 Apr

10:45 p.m. - 6:30 p.m.

YYZ

TRS

37h 45m2 stops

6:35 a.m. - 2:25 p.m.

TRS

YYZ

37h 50m2 stops

C$ 1,620TAP AIR PORTUGAL

Sun, 8 Feb - Sat, 14 Feb

1:10 p.m. - 10:25 a.m.

YUL

TRS

15h 15m2 stops

6:35 a.m. - 5:27 p.m.

TRS

YUL

16h 52m2 stops

C$ 1,640ITA Airways

Sat, 13 Jun - Wed, 24 Jun

9:45 p.m. - 6:30 p.m.

YUL

TRS

38h 45m2 stops

6:35 a.m. - 8:15 p.m.

TRS

YUL

19h 40m2 stops

C$ 1,964TAP AIR PORTUGAL

Wed, 28 Jan - Sun, 1 Feb

ITA Airways flights from Region of Ontario to Trieste

Our best ITA Airways deals on Region of Ontario to Trieste flight tickets

ITA Airways

15 Apr

YUL1:10 p.m.Montreal Pierre Elliott Trudeau Intl

23h 20m

2 stops

TRS6:30 p.m.Trieste Ronchi dei Legionari

19 Apr

TRS6:35 a.m.Trieste Ronchi dei Legionari

16h 46m

2 stops

YUL5:21 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,517

Find similar

ITA Airways

15 Apr

YUL1:10 p.m.Montreal Pierre Elliott Trudeau Intl

19h 20m

2 stops

TRS2:30 p.m.Trieste Ronchi dei Legionari

19 Apr

TRS6:35 a.m.Trieste Ronchi dei Legionari

16h 46m

2 stops

YUL5:21 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,528

Find similar

ITA Airways

13 Jun

YUL1:10 p.m.Montreal Pierre Elliott Trudeau Intl

15h 15m

2 stops

TRS10:25 a.m.Trieste Ronchi dei Legionari

24 Jun

TRS6:35 a.m.Trieste Ronchi dei Legionari

16h 52m

2 stops

YUL5:27 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,640

Find similar

United Airlines flights from Region of Ontario to Trieste

Our best United Airlines deals on Region of Ontario to Trieste flight tickets

United Airlines

14 Jun

YUL8:15 a.m.Montreal Pierre Elliott Trudeau Intl

20h 10m

2 stops

TRS10:25 a.m.Trieste Ronchi dei Legionari

24 Jun

TRS6:35 a.m.Trieste Ronchi dei Legionari

21h 05m

2 stops

YUL9:40 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,260

Find similar

United Airlines

8 Feb

YYZ12:45 p.m.Toronto Pearson Intl

15h 40m

2 stops

TRS10:25 a.m.Trieste Ronchi dei Legionari

13 Feb

TRS6:35 a.m.Trieste Ronchi dei Legionari

18h 22m

2 stops

YYZ6:57 p.m.Toronto Pearson Intl

C$ 1,440

Find similar

United Airlines

8 Feb

YYZ12:45 p.m.Toronto Pearson Intl

15h 40m

2 stops

TRS10:25 a.m.Trieste Ronchi dei Legionari

16 Feb

TRS6:35 a.m.Trieste Ronchi dei Legionari

37h 39m

2 stops

YYZ2:14 p.m.Toronto Pearson Intl

C$ 1,563

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

11:10 a.m.-2:30 p.m.

2 stops21h 20m

Trieste Ronchi dei Legionari

Wed 8/4

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

1 stop29h 00m

C$ 842

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Fri 23/1

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

2 stops20h 00m

Trieste Ronchi dei Legionari

Fri 30/1

1:05 p.m.-4:45 p.m.

2 stops57h 40m

C$ 843

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

4:10 p.m.-2:30 p.m.

2 stops16h 20m

Trieste Ronchi dei Legionari

Wed 8/4

11:15 a.m.-11:05 a.m.

2 stops29h 50m

C$ 880

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

6:30 p.m.-1:45 p.m.

1 stop13h 15m

Trieste Ronchi dei Legionari

Wed 8/4

2:40 p.m.-11:45 a.m.

1 stop27h 05m

C$ 1,192

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sun 14/6

8:15 a.m.-10:25 a.m.

2 stops20h 10m

Trieste Ronchi dei Legionari

Wed 24/6

6:35 a.m.-9:40 p.m.

2 stops21h 05m

C$ 1,260

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sun 8/2

12:45 p.m.-10:25 a.m.

2 stops15h 40m

Trieste Ronchi dei Legionari

Fri 13/2

6:35 a.m.-6:57 p.m.

2 stops18h 22m

C$ 1,440

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

1:10 p.m.-2:30 p.m.

2 stops19h 20m

Trieste Ronchi dei Legionari

Sun 19/4

6:35 a.m.-5:21 p.m.

2 stops16h 46m

C$ 1,528

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sun 8/2

10:45 p.m.-6:30 p.m.

2 stops37h 45m

Trieste Ronchi dei Legionari

Sat 14/2

6:35 a.m.-2:25 p.m.

2 stops37h 50m

C$ 1,620

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sat 13/6

1:10 p.m.-10:25 a.m.

2 stops15h 15m

Trieste Ronchi dei Legionari

Wed 24/6

6:35 a.m.-5:27 p.m.

2 stops16h 52m

C$ 1,640

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

9:45 p.m.-6:30 p.m.

2 stops38h 45m

Trieste Ronchi dei Legionari

Sun 1/2

6:35 a.m.-8:15 p.m.

2 stops19h 40m

C$ 1,964

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 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$ 1,057. Flights from Region of Ontario to Trieste on a Wednesday will generally be more expensive and average around C$ 1,271. 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$ 1,082. 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$ 1,141. 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

Fastest flight time	13h 28m
Direct flights	None

The fastest flight from Region of Ontario to Trieste takes 13h 28m

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 December 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$ 888	Free Cancellation	Rating 6.7 1,114 reviews		Search ITA Airways flights
Lufthansa	PriceFrom C$ 912	Free Cancellation	Rating 6.8 7,657 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.

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Cheap flights from Ontario to Trieste from C$ 454

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 6/5. 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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ITA Airways flights from Region of Ontario to Trieste

Our best ITA Airways deals on Region of Ontario to Trieste flight tickets

United Airlines flights from Region of Ontario to Trieste

Our best United Airlines deals on Region of Ontario to Trieste flight tickets

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

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?

ITA Airways 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

Fastest flight time

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