What are the cheapest airlines to fly from Region of Ontario to Trieste one-way?

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at C$ 1,083. Lufthansa flights start at C$ 1,177 while deals on Austrian Airlines start at C$ 1,206 one-way.

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

The most popular flight routes from Region of Ontario to Trieste are Montreal Pierre Elliott Trudeau Intl - Trieste Ronchi dei Legionari, Toronto Pearson Intl - Trieste Ronchi dei Legionari and Toronto Island - Trieste Ronchi dei Legionari.

What is the cheapest month to fly from Region of Ontario to Trieste?

Our data shows that October tends to be the cheapest month to fly to Trieste from Region of Ontario. Users have commonly found prices around C$ 1,209 for the month, but tickets can be as low as C$ 857. Due to multiple factors, prepare for potentially higher prices in February.

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$ 438+ Flights from Ontario to Trieste

Cheap flight deals from Ontario to Trieste

Round-trip from	C$ 967
One-way from	C$ 438
Popular in	February
Cheapest in	October
Average price	C$ 1,016

7/6-14/6
3 total stops
34h 19m total
Ontario to Trieste

Search Deals

9/6
3 total stops
21h 05m total
Ontario to Trieste

Search Deals

Highest demand for flights based on searches. 24% potential increase in price (C$ 528 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 65 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Ontario to Trieste

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 24 April 2025.

Sun 28/95:00 p.m.YYZ - TRS

1 stop15h 30mITA Airways

Sat 18/106:35 a.m.TRS - YYZ

1 stop13h 30mITA Airways

Deal found 23/4C$ 940

Sat 27/910:10 p.m.YYZ - TRS

2 stops18h 45mKLM

Thu 16/106:35 a.m.TRS - YYZ

2 stops16h 48mKLM

Deal found 23/4C$ 961

Sat 7/69:10 p.m.YYZ - TRS

1 stop19h 15mMultiple Airlines

Sat 14/66:30 a.m.TRS - YYZ

2 stops15h 04mMultiple Airlines

Deal found 23/4C$ 967

Sat 7/69:10 p.m.YYZ - TRS

1 stop19h 15mLufthansa

Sat 14/66:30 a.m.TRS - YYZ

1 stop19h 15mLufthansa

Deal found 23/4C$ 989

Sat 20/95:50 p.m.YUL - TRS

2 stops22h 35mLufthansa

Wed 15/106:30 a.m.TRS - YUL

2 stops20h 23mLufthansa

Deal found 23/4C$ 1,005

Sat 20/96:35 p.m.YUL - TRS

1 stop21h 50mMultiple Airlines

Wed 15/106:30 a.m.TRS - YUL

1 stop15h 30mMultiple Airlines

Deal found 23/4C$ 1,191

Mon 29/95:45 p.m.YYZ - TRS

2 stops34h 40mAustrian Airlines

Thu 16/107:25 p.m.TRS - YYZ

2 stops24h 25mAustrian Airlines

Deal found 23/4C$ 1,194

Mon 29/911:00 p.m.YYZ - TRS

2 stops37h 35mIcelandair

Fri 17/1011:15 a.m.TRS - YYZ

2 stops16h 40mIcelandair

Deal found 23/4C$ 1,202

Tue 4/114:50 p.m.YUL - TRS

2 stops19h 40mSWISS

Mon 24/113:15 p.m.TRS - YUL

2 stops30h 00mSWISS

Deal found 23/4C$ 1,365

Mon 29/911:00 p.m.YYZ - TRS

2 stops33h 30mTAP AIR PORTUGAL

Sat 18/103:15 p.m.TRS - YYZ

2 stops28h 40mTAP AIR PORTUGAL

Deal found 23/4C$ 1,451

Sat 20/96:20 p.m.YUL - TRS

3 stops22h 35mTAP AIR PORTUGAL

Sat 4/103:15 p.m.TRS - YUL

2 stops35h 55mTAP AIR PORTUGAL

Deal found 23/4C$ 1,677

Wed 23/76:35 p.m.YUL - TRS

2 stops22h 20mAustrian Airlines

Sun 27/77:15 p.m.TRS - YUL

2 stops24h 35mAustrian Airlines

Deal found 23/4C$ 1,966

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 24 April 2025.

Sat 7/69:10 p.m.YYZ - TRS

1 stop19h 15mMultiple Airlines

Sat 14/66:30 a.m.TRS - YYZ

2 stops15h 04mMultiple Airlines

Deal found 23/4C$ 967

Sat 7/69:10 p.m.YYZ - TRS

1 stop19h 15mLufthansa

Sat 14/66:30 a.m.TRS - YYZ

1 stop19h 15mLufthansa

Deal found 23/4C$ 989

Mon 9/64:45 p.m.YYZ - TRS

2 stops15h 45mKLM

Wed 16/76:35 a.m.TRS - YYZ

2 stops16h 49mKLM

Deal found 22/4C$ 990

Wed 28/512:10 p.m.YYZ - TRS

2 stops16h 15mITA Airways

Thu 5/66:35 a.m.TRS - YYZ

1 stop13h 30mITA Airways

Deal found 23/4C$ 1,118

Sat 20/96:20 p.m.YUL - TRS

3 stops22h 35mTAP AIR PORTUGAL

Sat 4/103:15 p.m.TRS - YUL

2 stops35h 55mTAP AIR PORTUGAL

Deal found 23/4C$ 1,677

Wed 23/76:35 p.m.YUL - TRS

2 stops22h 20mAustrian Airlines

Sun 27/77:15 p.m.TRS - YUL

2 stops24h 35mAustrian Airlines

Deal found 23/4C$ 1,966

Sat 20/95:50 p.m.YUL - TRS

2 stops22h 35mLufthansa

Wed 15/106:30 a.m.TRS - YUL

1 stop11h 35mLufthansa

Deal found 23/4C$ 1,005

Sat 20/96:35 p.m.YUL - TRS

1 stop21h 50mMultiple Airlines

Wed 15/106:30 a.m.TRS - YUL

1 stop15h 30mMultiple Airlines

Deal found 23/4C$ 1,191

Last-minute flights from Ontario to Trieste
Discover last-minute flight deals from Ontario to Trieste. Data last updated 24 April 2025 and is based on user searches.

Mon 28/47:10 p.m.YUL - TRS

1 stop13h 20mMultiple Airlines

Wed 21/57:15 p.m.TRS - YUL

1 stop25h 15mMultiple Airlines

Deal found 23/4C$ 1,454

Mon 28/49:15 p.m.YUL - TRS

2 stops19h 10mLufthansa

Wed 21/56:30 a.m.TRS - YUL

1 stop15h 30mLufthansa

Deal found 23/4C$ 1,505

Tue 29/43:25 p.m.YUL - TRS

3 stops21h 05mTAP AIR PORTUGAL

Wed 21/511:15 a.m.TRS - YUL

2 stops15h 30mTAP AIR PORTUGAL

Deal found 23/4C$ 2,738

Wed 28/512:10 p.m.YYZ - TRS

2 stops16h 15mITA Airways

Thu 5/66:35 a.m.TRS - YYZ

1 stop13h 30mITA Airways

Deal found 23/4C$ 1,118

Wed 28/57:10 p.m.YYZ - TRS

2 stops13h 20mLufthansa

Thu 5/66:30 a.m.TRS - YYZ

2 stops15h 04mLufthansa

Deal found 23/4C$ 1,464

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 24 April 2025.

Mon 9/67:30 p.m.YYZ - TRS

3 stops21h 05mMultiple Airlines

Deal found 22/4C$ 438

Wed 28/55:40 p.m.YYZ - TRS

2 stops23h 15mTAP AIR PORTUGAL

Deal found 23/4C$ 1,083

Mon 9/66:00 a.m.YHM - TRS

2 stops30h 30mMultiple Airlines

Deal found 22/4C$ 1,100

Wed 30/49:20 p.m.YUL - TRS

2 stops19h 15mLufthansa

Deal found 23/4C$ 1,177

Sun 25/56:35 p.m.YUL - TRS

2 stops33h 50mAustrian Airlines

Deal found 23/4C$ 1,206

Wed 28/59:20 p.m.YYZ - TRS

1 stop19h 15mLufthansa

Deal found 23/4C$ 1,233

Sat 26/45:00 p.m.YYZ - TRS

1 stop11h 25mITA Airways

Deal found 23/4C$ 1,252

Sat 26/43:25 p.m.YTZ - TRS

2 stops16h 40mMultiple Airlines

Deal found 23/4C$ 1,267

Wed 30/46:35 p.m.YUL - TRS

3 stops22h 20mTAP AIR PORTUGAL

Deal found 23/4C$ 1,719

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sun 28/9

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

1 stop15h 30m

Trieste Ronchi dei Legionari

Sat 18/10

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

1 stop13h 30m

C$ 940

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sat 27/9

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

2 stops18h 45m

Trieste Ronchi dei Legionari

Thu 16/10

6:35 a.m.-5:23 p.m.

2 stops16h 48m

C$ 961

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sat 7/6

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

1 stop19h 15m

Trieste Ronchi dei Legionari

Sat 14/6

6:30 a.m.-3:34 p.m.

2 stops15h 04m

C$ 967

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sat 7/6

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

1 stop19h 15m

Trieste Ronchi dei Legionari

Sat 14/6

6:30 a.m.-7:45 p.m.

1 stop19h 15m

C$ 989

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

5:50 p.m.-10:25 p.m.

2 stops22h 35m

Trieste Ronchi dei Legionari

Wed 15/10

6:30 a.m.-12:05 p.m.

1 stop11h 35m

C$ 1,005

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

6:35 p.m.-10:25 p.m.

1 stop21h 50m

Trieste Ronchi dei Legionari

Wed 15/10

6:30 a.m.-4:00 p.m.

1 stop15h 30m

C$ 1,191

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 29/9

5:45 p.m.-10:25 a.m.

2 stops34h 40m

Trieste Ronchi dei Legionari

Thu 16/10

7:25 p.m.-1:50 p.m.

2 stops24h 25m

C$ 1,194

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 29/9

11:00 p.m.-6:35 p.m.

2 stops37h 35m

Trieste Ronchi dei Legionari

Fri 17/10

11:15 a.m.-9:55 p.m.

2 stops16h 40m

C$ 1,202

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Mon 29/9

11:00 p.m.-2:30 p.m.

2 stops33h 30m

Trieste Ronchi dei Legionari

Sat 18/10

3:15 p.m.-1:55 p.m.

2 stops28h 40m

C$ 1,451

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

6:20 p.m.-10:55 p.m.

3 stops22h 35m

Trieste Ronchi dei Legionari

Sat 4/10

3:15 p.m.-9:10 p.m.

2 stops35h 55m

C$ 1,677

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/4

Showing 1-10 of 19 results

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.

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

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.

Rainfall in Trieste by month

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.

Temperature in Trieste by month

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).

Reviews of airlines servicing Trieste

See what other customers who have flown with KLM, Austrian Airlines and TAP AIR PORTUGAL from Ontario to Trieste have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

KLM

7.8

Good

1,333 reviews

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Austrian Airlines

7.6

Good

780 reviews

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

TAP AIR PORTUGAL

7.1

Good

1,845 reviews

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

ITA Airways

6.7

Okay

967 reviews

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Lufthansa

6.7

Okay

7,027 reviews

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

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.
What are the cheapest airlines to fly from Region of Ontario to Trieste one-way?
To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at C$ 1,083. Lufthansa flights start at C$ 1,177 while deals on Austrian Airlines start at C$ 1,206 one-way.
What are the most popular routes from Region of Ontario to Trieste?
The most popular flight routes from Region of Ontario to Trieste are Montreal Pierre Elliott Trudeau Intl - Trieste Ronchi dei Legionari, Toronto Pearson 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 for Ontario to Trieste

Top 2 airlines flying from Ontario to Trieste

Airline	Cheapest	Average	Flexibility	On-time
ITA Airways	CheapestC$ 905	AverageC$ 1,356	FlexibilityNo cancel fee	On-time81%	Search ITA Airways flights
Lufthansa	CheapestC$ 942	AverageC$ 1,056	FlexibilityNo cancel fee	On-time76%	Search Lufthansa 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.

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Cheap flights from Ontario to Trieste from C$ 438

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Trieste

Keep the following information in mind while searching for Ontario to Trieste flight deals. Data was last updated 24 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 24 April 2025.

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 24 April 2025.

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

Everything you need to know about your flight from Ontario to Trieste

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

Find hourly flight availability from Ontario to Trieste. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 April 2025.

Rainfall in Trieste by month

Plan your trip to Trieste by taking into account the average rainfall totals by month.

Temperature in Trieste by month

Plan your trip to Trieste by taking into account the average temperature totals by month.

Reviews of airlines servicing Trieste

See what other customers who have flown with KLM, Austrian Airlines and TAP AIR PORTUGAL from Ontario to Trieste have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Trieste. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

What are the cheapest airlines to fly from Region of Ontario to Trieste one-way?

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.

Top 2 airlines flying from Ontario to Trieste

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

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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 24 April 2025.