How long is the flight from Ottawa to Trieste?

Departing from Ottawa to Trieste will take you 35h 49m. Ottawa and Trieste are separated by a distance of 6540 km.

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.

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).

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

When flying from Ottawa to Trieste, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Ottawa to Trieste?

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

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

Yes. Cheapflights offers flight deals from Ottawa 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$ 1,947+ Cheap Flights from Ottawa to Trieste

Cheap flight deals from Ottawa to Trieste

Enter your travel dates to find the best prices.

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Best

Cheapest flights from Ottawa to Trieste
Explore the most affordable flight options available from Ottawa to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Tue 22/126:00 a.m. -

2 stops22h 25m

Sun 10/13:15 p.m. -

2 stops37h 40m

Deal found 30/10C$ 1,947

Mon 21/126:00 a.m. -

2 stops22h 25m

Sun 10/111:15 a.m. -

2 stops37h 30m

Deal found 30/10C$ 1,987

Fri 4/124:36 p.m. -

2 stops35h 49m

Tue 8/126:35 a.m. -

2 stops18h 52m

Deal found 26/10C$ 2,050

Tue 22/1210:05 a.m. -

2 stops42h 20m

Sat 9/13:15 p.m. -

2 stops52h 57m

Deal found 30/10C$ 2,059

Mon 21/128:25 p.m. -

2 stops36h 05m

Sat 9/13:15 p.m. -

2 stops37h 17m

Deal found 30/10C$ 2,145

Find flight deals from Ottawa to Trieste

Round-trip from	C$ 2,050

United Airlines
4/12-8/12
4 total stops
54h 41m total
Ottawa to Trieste

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Route

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Price

Cheapest round-trip

OttawaTrieste

YOW Ottawa - TRS Trieste Ronchi dei Legionari

YOWTRS

Ottawa

Tue 22/12

6:00 a.m.-10:25 a.m.

2 stops22h 25m

Trieste Ronchi dei Legionari

Sun 10/1

3:15 p.m.-10:55 p.m.

2 stops37h 40m

C$ 1,947

OttawaTrieste

YOW Ottawa - TRS Trieste Ronchi dei Legionari

YOWTRS

Ottawa

Fri 4/12

4:36 p.m.-10:25 a.m.

2 stops35h 49m

Trieste Ronchi dei Legionari

Tue 8/12

6:35 a.m.-7:27 p.m.

2 stops18h 52m

C$ 2,050

OttawaTrieste

YOW Ottawa - TRS Trieste Ronchi dei Legionari

YOWTRS

Ottawa

Mon 21/12

5:40 p.m.-10:25 a.m.

3 stops34h 45m

Trieste Ronchi dei Legionari

Sat 9/1

7:15 p.m.-10:32 p.m.

3 stops33h 17m

C$ 2,264

OttawaTrieste

YOW Ottawa - TRS Trieste Ronchi dei Legionari

YOWTRS

Ottawa

Mon 21/12

7:50 p.m.-6:30 p.m.

3 stops40h 40m

Trieste Ronchi dei Legionari

Sun 10/1

7:15 p.m.-6:45 p.m.

2 stops29h 30m

C$ 2,422

Quickest round-trip

OttawaTrieste

YOW Ottawa - TRS Trieste Ronchi dei Legionari

YOWTRS

Ottawa

Tue 22/12

12:10 p.m.-2:25 p.m.

2 stops20h 15m

Trieste Ronchi dei Legionari

Sat 9/1

11:15 a.m.-8:15 a.m.

3 stops27h 00m

C$ 2,801

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

Sorted by cheapest first

Best time to book a flight from Ottawa to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Ottawa with our price prediction graph.

YOW-TRS

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.

Related info for your journey

How long is the flight from Ottawa to Trieste?
Departing from Ottawa to Trieste will take you 35h 49m. Ottawa and Trieste are separated by a distance of 6540 km.
Can I find deals for flights from Ottawa to Trieste that include hotel bookings?
Yes. In addition to deals on Ottawa to Trieste flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ottawa to Trieste?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Trieste.
Can I find deals for business class flights from Ottawa to Trieste?
Yes. Cheapflights offers flight deals from Ottawa 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.

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Cheap flights from Ottawa to Trieste from C$ 1,947

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 22/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ottawa to Trieste

Cheapest flights from Ottawa to TriesteExplore the most affordable flight options available from Ottawa to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Explore the most affordable flight options available from Ottawa to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Ottawa to TriesteDiscover carefully curated flight deals from Ottawa to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from Ottawa to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

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Best time to book a flight from Ottawa to Trieste

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Related info for your journey

How long is the flight from Ottawa to Trieste?

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

How can I find direct flights from Ottawa to Trieste?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ottawa to Trieste

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Complete your trip

Complete your trip to Trieste by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Italy

Book a non-stop flight to one of these other cities located in Italy.

Search flights from Ottawa to Trieste by cabin class

Find flights from Ottawa to Trieste, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ottawa and Trieste flights

Browse other Ottawa and Trieste flight options. Last updated on 30 October 2026.

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

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Can Cheapflights find flights from Ottawa to Trieste with no change fees?

Can Cheapflights notify me if prices for flights from Ottawa to Trieste become cheaper?

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Cheapest flights from Ottawa to Trieste
Explore the most affordable flight options available from Ottawa to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Ottawa to Trieste
Discover carefully curated flight deals from Ottawa to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.