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Cheap flights from Ontario to Trieste from C$ 1,010

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — TRS
6 Apr — 13 Apr1
1 adult

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 1 April 2025.

Round-trip from

C$ 1,035

Popular in

February

Cheapest in

April

Average price

C$ 942
Lufthansa
  • Lufthansa
  • 1/6-15/6
  • 4 total stops
  • 33h 40m total
  • Ontario to Trieste
Highest demand for flights based on searches. 18% potential increase in price (C$ 405 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease (C$ 73 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 1 April 2025.

Sat 20/910:25 p.m.YUL - TRS
2 stops42h 10mMultiple Airlines
Wed 15/106:30 a.m.TRS - YUL
1 stop15h 30mMultiple Airlines
Deal found 31/3C$ 1,010
Sun 1/66:55 p.m.YUL - TRS
2 stops13h 10mLufthansa
Sun 15/66:30 a.m.TRS - YUL
2 stops20h 30mLufthansa
Deal found 31/3C$ 1,035
Tue 13/59:20 p.m.YYZ - TRS
1 stop19h 15mMultiple Airlines
Tue 19/86:30 a.m.TRS - YYZ
2 stops37h 45mMultiple Airlines
Deal found 31/3C$ 1,084
Wed 23/49:10 p.m.YYZ - TRS
1 stop19h 25mLufthansa
Wed 7/56:30 a.m.TRS - YYZ
1 stop12h 10mLufthansa
Deal found 31/3C$ 1,115
Fri 16/55:00 p.m.YYZ - TRS
1 stop15h 30mITA Airways
Fri 23/56:35 a.m.TRS - YYZ
1 stop13h 30mITA Airways
Deal found 1/4C$ 1,150
Sat 19/75:40 p.m.YYZ - TRS
2 stops23h 15mTAP AIR PORTUGAL
Sat 26/711:15 a.m.TRS - YYZ
2 stops32h 40mTAP AIR PORTUGAL
Deal found 31/3C$ 1,531
Wed 11/610:45 p.m.YUL - TRS
2 stops18h 10mTAP AIR PORTUGAL
Fri 11/76:35 a.m.TRS - YUL
2 stops20h 35mTAP AIR PORTUGAL
Deal found 31/3C$ 1,609
Tue 15/42:10 p.m.YOW - TRS
2 stops17h 55mLufthansa
Tue 22/46:30 a.m.TRS - YOW
2 stops18h 49mLufthansa
Deal found 1/4C$ 2,088
Thu 31/76:35 p.m.YUL - TRS
2 stops22h 20mAustrian Airlines
Sat 16/87:15 p.m.TRS - YUL
2 stops24h 35mAustrian Airlines
Deal found 30/3C$ 2,269

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Trieste that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 1 April 2025.
Use the filters below to find and compare flights from Ontario to Trieste that are best for you.

Fly from

Ontario

Fly to

Trieste

Route

Depart

Return

Price

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

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

2 stops42h 10m

Trieste Ronchi dei Legionari

Wed 15/10

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

1 stop15h 30m

C$ 1,010

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Sun 1/6

6:55 p.m.-2:05 p.m.

2 stops13h 10m

Trieste Ronchi dei Legionari

Sun 15/6

6:30 a.m.-9:00 p.m.

2 stops20h 30m

C$ 1,035

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Tue 13/5

9:20 p.m.-10:35 p.m.

1 stop19h 15m

Trieste Ronchi dei Legionari

Tue 19/8

6:30 a.m.-2:15 p.m.

2 stops37h 45m

C$ 1,084

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Wed 23/4

9:10 p.m.-10:35 p.m.

1 stop19h 25m

Trieste Ronchi dei Legionari

Wed 7/5

6:30 a.m.-12:40 p.m.

1 stop12h 10m

C$ 1,115

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Fri 16/5

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

1 stop15h 30m

Trieste Ronchi dei Legionari

Fri 23/5

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

1 stop13h 30m

C$ 1,150

TorontoTrieste

YYZ - TRS

YYZTRS

Toronto Pearson Intl

Sat 19/7

5:40 p.m.-10:55 p.m.

2 stops23h 15m

Trieste Ronchi dei Legionari

Sat 26/7

11:15 a.m.-1:55 p.m.

2 stops32h 40m

C$ 1,531

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Wed 11/6

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

2 stops18h 10m

Trieste Ronchi dei Legionari

Fri 11/7

6:35 a.m.-9:10 p.m.

2 stops20h 35m

C$ 1,609

OttawaTrieste

YOW - TRS

YOWTRS

Ottawa

Tue 15/4

2:10 p.m.-2:05 p.m.

2 stops17h 55m

Trieste Ronchi dei Legionari

Tue 22/4

6:30 a.m.-7:19 p.m.

2 stops18h 49m

C$ 2,088

MontrealTrieste

YUL - TRS

YULTRS

Montreal Pierre Elliott Trudeau Intl

Thu 31/7

6:35 p.m.-10:55 p.m.

2 stops22h 20m

Trieste Ronchi dei Legionari

Sat 16/8

7:15 p.m.-1:50 p.m.

2 stops24h 35m

C$ 2,269

HamiltonTrieste

YHM - TRS

YHMTRS

Hamilton

Fri 16/5

6:00 a.m.-8:55 p.m.

3 stops56h 55m

C$ 1,108

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

Showing 1-10 of 14 results
1
2

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?

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 1 April 2025.

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

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

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

Get insights into the airlines that provide service to Trieste. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Trieste. Reviews last updated 1 April 2025.
See what other customers who have flown with Austrian Airlines, TAP AIR PORTUGAL and ITA Airways 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.

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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?

    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 most popular routes from Region of Ontario to Trieste?

  • 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

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Top 2 airlines flying from Ontario to Trieste

Discover the top 2 airlines that operate flights from Ontario to Trieste. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 1 April 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapestC$ 959AverageC$ 1,455FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights
LufthansaCheapestC$ 977AverageC$ 1,131FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

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How does Cheapflights help users find flights from Ontario to Trieste?

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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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