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Cheap flights from Trieste to Ontario from C$ 849

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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — YYZ
17 Jun — 24 Jun1
1 adult

Cheap flight deals from Trieste to Ontario

Keep the following information in mind while searching for Trieste to Ontario flight deals. Data was last updated 12 June 2025.

Round-trip from

C$ 942

One-way from

C$ 849
Lufthansa
  • Lufthansa
  • 26/6-30/6
  • 4 total stops
  • 37h 59m total
  • Trieste to Ontario
Search Deals
ITA Airways
  • ITA Airways
  • 23/8
  • 1 total stop
  • 13h 30m total
  • Trieste to Ontario
Search Deals

Find flight deals from Trieste to Ontario

Cheapest flights from Trieste to Ontario
Explore the most affordable flight options available from Trieste to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Thu 26/62:45 p.m.TRS - YYZ
2 stops14h 34mLufthansa
Mon 30/65:00 p.m.YYZ - TRS
2 stops23h 25mLufthansa
Deal found 11/6C$ 942
Mon 14/76:35 a.m.TRS - YYZ
1 stop13h 30mITA Airways
Sun 27/75:00 p.m.YYZ - TRS
1 stop11h 25mITA Airways
Deal found 12/6C$ 1,006
Wed 16/76:35 a.m.TRS - YYZ
2 stops18h 50mMultiple Airlines
Sat 26/79:40 p.m.YYZ - TRS
1 stop19h 15mMultiple Airlines
Deal found 12/6C$ 1,014
Fri 27/66:35 a.m.TRS - YYZ
2 stops19h 20mKLM
Tue 1/74:45 p.m.YYZ - TRS
2 stops19h 45mKLM
Deal found 12/6C$ 1,127
Fri 27/66:35 a.m.TRS - YYZ
2 stops20h 20mAir France
Tue 1/76:15 p.m.YYZ - TRS
2 stops18h 15mAir France
Deal found 11/6C$ 1,345
Mon 14/77:15 p.m.TRS - YYZ
2 stops34h 04mAustrian Airlines
Wed 30/75:45 p.m.YYZ - TRS
2 stops23h 10mAustrian Airlines
Deal found 12/6C$ 1,894
Thu 19/66:35 a.m.TRS - YYZ
2 stops20h 45mTAP AIR PORTUGAL
Tue 19/85:40 p.m.YYZ - TRS
2 stops38h 45mTAP AIR PORTUGAL
Deal found 12/6C$ 1,959

Cheapflights Fare Finder

Customize your flight search to find flights from Trieste to Ontario 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 12 June 2025.
Use the filters below to find and compare flights from Trieste to Ontario that are best for you.

Fly from

Trieste

Fly to

Ontario

Route

Depart

Return

Price

TriesteToronto

TRS - YYZ

TRSYYZ

Trieste Ronchi dei Legionari

Thu 26/6

2:45 p.m.-11:19 p.m.

2 stops14h 34m

Toronto Pearson Intl

Mon 30/6

5:00 p.m.-10:25 p.m.

2 stops23h 25m

C$ 942

TriesteToronto

TRS - YYZ

TRSYYZ

Trieste Ronchi dei Legionari

Mon 14/7

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

1 stop13h 30m

Toronto Pearson Intl

Sun 27/7

5:00 p.m.-10:25 a.m.

1 stop11h 25m

C$ 1,006

TriesteToronto

TRS - YYZ

TRSYYZ

Trieste Ronchi dei Legionari

Wed 16/7

6:35 a.m.-7:25 p.m.

2 stops18h 50m

Toronto Pearson Intl

Sat 26/7

9:40 p.m.-10:55 p.m.

1 stop19h 15m

C$ 1,014

TriesteToronto

TRS - YYZ

TRSYYZ

Trieste Ronchi dei Legionari

Fri 27/6

6:35 a.m.-7:55 p.m.

2 stops19h 20m

Toronto Pearson Intl

Tue 1/7

4:45 p.m.-6:30 p.m.

2 stops19h 45m

C$ 1,127

TriesteToronto

TRS - YYZ

TRSYYZ

Trieste Ronchi dei Legionari

Wed 25/6

6:35 a.m.-5:24 p.m.

2 stops40h 49m

Toronto Pearson Intl

Sun 29/6

3:31 p.m.-10:25 a.m.

2 stops36h 54m

C$ 1,336

TriesteToronto

TRS - YYZ

TRSYYZ

Trieste Ronchi dei Legionari

Fri 27/6

6:35 a.m.-8:55 p.m.

2 stops20h 20m

Toronto Pearson Intl

Tue 1/7

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

2 stops18h 15m

C$ 1,345

TriesteToronto

TRS - YYZ

TRSYYZ

Trieste Ronchi dei Legionari

Sun 31/8

6:35 a.m.-9:00 p.m.

2 stops20h 25m

Toronto Pearson Intl

Sun 31/8

11:00 p.m.-10:55 p.m.

2 stops17h 55m

C$ 1,865

TriesteToronto

TRS - YYZ

TRSYYZ

Trieste Ronchi dei Legionari

Mon 14/7

7:15 p.m.-11:19 p.m.

2 stops34h 04m

Toronto Pearson Intl

Wed 30/7

5:45 p.m.-10:55 p.m.

2 stops23h 10m

C$ 1,894

TriesteToronto

TRS - YYZ

TRSYYZ

Trieste Ronchi dei Legionari

Sat 23/8

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

1 stop13h 30m

C$ 849

TriesteToronto

TRS - YYZ

TRSYYZ

Trieste Ronchi dei Legionari

Sat 23/8

6:35 a.m.-7:55 p.m.

2 stops19h 20m

C$ 868

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 13 results
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Best time to book a flight from Trieste to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Trieste 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 Trieste to Ontario

What is the cheapest month to book a flight from Trieste to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Trieste to Region of Ontario (average of C$ 167). Flying from Trieste to Region of Ontario in July is currently the most expensive (average of C$ 255). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 12 June 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Austrian Airlines from Trieste to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
TAP AIR PORTUGAL
7.1
Good
1,885 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.

Related info for your journey

Find useful and relevant information for your journey from Trieste to Ontario. 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 from for flights from Trieste to Ontario?

    Located just 29.3 km from the city centre, Trieste Ronchi dei Legionari (TRS) is the airport most travellers will use when flying to Ontario from Trieste.

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

    One-way options have recently been found by users for as low as C$ 849 on ITA Airways. Other airlines that offer cheap prices include KLM from C$ 868 and TAP AIR PORTUGAL from C$ 1,246 one-way.

  • Can I find deals for flights from Trieste to Ontario that include hotel bookings?

    Yes. In addition to deals on Trieste to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trieste to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trieste to Ontario.

  • Can I find deals for business class flights from Trieste to Ontario?

    Yes. Cheapflights offers flight deals from Trieste to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Trieste to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Trieste to Region of Ontario (average of C$ 167). Flying from Trieste to Region of Ontario in July is currently the most expensive (average of C$ 255). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Certainly. Search results for flights to Ontario from Trieste shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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