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

United Airlines and Icelandair are the most popular carriers operating from Ontario to Trieste Ronchi dei Legionari

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 11 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

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 15m on average. On the other hand, flying from Ottawa to Venice Marco Polo Airport takes 11h 55m 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 May 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$ 425 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.

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

YYZ

TRS

16h 00m

2 stops

7:15 p.m. - 2:05 p.m.

TRS

YYZ

24h 50m

1 stop

C$ 906Multiple Airlines

Wed, 7 Oct - Wed, 21 Oct

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

YYZ

TRS

16h 00m

2 stops

3:15 p.m. - 2:05 p.m.

TRS

YYZ

28h 50m

1 stop

C$ 907Multiple Airlines

Wed, 7 Oct - Wed, 21 Oct

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

YYZ

TRS

16h 00m

2 stops

6:35 a.m. - 6:52 p.m.

TRS

YYZ

18h 17m

2 stops

C$ 908Multiple Airlines

Wed, 7 Oct - Wed, 21 Oct

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$ 960KLM

Wed, 3 Jun - Wed, 17 Jun

8:30 p.m. - 10:15 p.m.

YUL

TRS

43h 45m

2 stops

6:15 a.m. - 4:40 p.m.

TRS

YUL

40h 25m

2 stops

C$ 1,053Lufthansa

Sat, 19 Sep - Sat, 3 Oct

8:30 p.m. - 10:15 p.m.

YUL

TRS

43h 45m

2 stops

6:15 a.m. - 12:00 p.m.

TRS

YUL

11h 45m

1 stop

C$ 1,062Lufthansa

Sat, 19 Sep - Sat, 3 Oct

7:20 p.m. - 10:25 a.m.

YTZ

TRS

33h 05m

2 stops

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

TRS

YTZ

18h 10m

2 stops

C$ 1,321United Airlines

Mon, 2 Nov - Mon, 23 Nov

7:20 p.m. - 10:25 a.m.

YTZ

TRS

33h 05m

2 stops

6:35 a.m. - 10:06 a.m.

TRS

YTZ

33h 31m

2 stops

C$ 1,346United Airlines

Mon, 2 Nov - Fri, 20 Nov

12:00 p.m. - 10:55 p.m.

YOW

TRS

28h 55m

2 stops

7:15 p.m. - 5:11 p.m.

TRS

YOW

27h 56m

2 stops

C$ 1,613ITA Airways

Mon, 8 Jun - Thu, 11 Jun

12:00 p.m. - 10:55 p.m.

YOW

TRS

28h 55m

2 stops

7:15 p.m. - 5:11 p.m.

TRS

YOW

27h 56m

2 stops

C$ 1,615ITA Airways

Mon, 8 Jun - Thu, 11 Jun

KLM flights from Region of Ontario to Trieste

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

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$ 960

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$ 1,225

KLM

9 Oct

YYZ4:45 p.m.Toronto Pearson Intl

19h 45m

2 stops

TRS6:30 p.m.Trieste Ronchi dei Legionari

25 Oct

TRS6:35 a.m.Trieste Ronchi dei Legionari

21h 25m

2 stops

YYZ11:00 p.m.Toronto Pearson Intl

C$ 1,249

United Airlines flights from Region of Ontario to Trieste

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

United Airlines

10 Oct

YYZ5:25 p.m.Toronto Pearson Intl

35h 00m

2 stops

TRS10:25 a.m.Trieste Ronchi dei Legionari

27 Oct

TRS6:35 a.m.Trieste Ronchi dei Legionari

21h 53m

2 stops

YYZ11:28 p.m.Toronto Pearson Intl

C$ 1,255

United Airlines

28 Sep

YUL11:23 a.m.Montreal Pierre Elliott Trudeau Intl

17h 02m

2 stops

TRS10:25 a.m.Trieste Ronchi dei Legionari

5 Oct

TRS6:35 a.m.Trieste Ronchi dei Legionari

34h 05m

2 stops

YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,256

United Airlines

29 Sep

YUL11:23 a.m.Montreal Pierre Elliott Trudeau Intl

17h 02m

2 stops

TRS10:25 a.m.Trieste Ronchi dei Legionari

5 Oct

TRS6:35 a.m.Trieste Ronchi dei Legionari

40h 48m

2 stops

YUL5:23 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,259

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Wed 7/10

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

2 stops16h 00m

Trieste Ronchi dei Legionari

Wed 21/10

7:15 p.m.-2:05 p.m.

1 stop24h 50m

C$ 906

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Wed 7/10

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

2 stops16h 00m

Trieste Ronchi dei Legionari

Wed 21/10

3:15 p.m.-2:05 p.m.

1 stop28h 50m

C$ 907

Quickest round-trip

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Wed 7/10

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

2 stops16h 00m

Trieste Ronchi dei Legionari

Wed 21/10

6:35 a.m.-6:52 p.m.

2 stops18h 17m

C$ 908

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$ 960

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

8:30 p.m.-10:15 p.m.

2 stops43h 45m

Trieste Ronchi dei Legionari

Sat 3/10

6:15 a.m.-4:40 p.m.

2 stops40h 25m

C$ 1,053

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

8:30 p.m.-10:15 p.m.

2 stops43h 45m

Trieste Ronchi dei Legionari

Sat 3/10

6:15 a.m.-12:00 p.m.

1 stop11h 45m

C$ 1,062

TorontoTrieste

YTZ - TRS

YTZTRS

Toronto Island

Mon 2/11

7:20 p.m.-10:25 a.m.

2 stops33h 05m

Trieste Ronchi dei Legionari

Mon 23/11

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

2 stops18h 10m

C$ 1,321

TorontoTrieste

YTZ - TRS

YTZTRS

Toronto Island

Mon 2/11

7:20 p.m.-10:25 a.m.

2 stops33h 05m

Trieste Ronchi dei Legionari

Fri 20/11

6:35 a.m.-10:06 a.m.

2 stops33h 31m

C$ 1,346

OttawaTrieste

YOW - TRS

YOWTRS

Ottawa

Mon 8/6

12:00 p.m.-10:55 p.m.

2 stops28h 55m

Trieste Ronchi dei Legionari

Thu 11/6

7:15 p.m.-5:11 p.m.

2 stops27h 56m

C$ 1,613

OttawaTrieste

YOW - TRS

YOWTRS

Ottawa

Mon 8/6

12:00 p.m.-10:55 p.m.

2 stops28h 55m

Trieste Ronchi dei Legionari

Thu 11/6

7:15 p.m.-5:11 p.m.

2 stops27h 56m

C$ 1,615

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$ 817.

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	12h 25m
Direct flights	None

The fastest flight from Region of Ontario to Trieste takes 12h 25m

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 May 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$ 840	Free Cancellation	Rating 6.8 7,980 reviews		Search Lufthansa flights
ITA Airways	PriceFrom C$ 913	Free Cancellation	Rating 6.7 1,208 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.