How long is the flight from Region of Ontario to Trondheim?

Departing from Region of Ontario to Trondheim will take you 16h 40m. Region of Ontario and Trondheim are separated by a distance of 5786 km. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Trondheim ranges from 45.0 - 110.0 mm per month. September is typically the wettest month, when rainfall can reach 110.0 mm. April is typically the driest time to visit Trondheim when rainfall is around 45.0 mm.

If weather is an important factor for your trip to Trondheim, 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 13.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -3.0 C).

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

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 Trondheim as you normally would.

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

For a flight from Ontario to Trondheim, you will be flying into Vaernes. Trondheim Vaernes (TRD) is just 26.5 km from the centre of the city.

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

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

How can I find direct flights from Ontario to Trondheim?

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

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

Yes. Cheapflights offers flight deals from Ontario to Trondheim 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$ 559+ Cheap Flights from Ontario to Trondheim

Cheap flight deals from Ontario to Trondheim

Enter your travel dates to find the best prices.

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Cheapest flights from Ontario to Trondheim
Explore the most affordable flight options available from Ontario to Trondheim. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Mon 9/115:55 p.m. -

1 stop16h 40m

Sun 22/115:15 p.m. -

1 stop28h 25m

Deal found 14/9C$ 865

Mon 5/106:10 a.m. -

2 stops23h 25m

Fri 9/1012:10 p.m. -

1 stop13h 45m

Deal found 13/9C$ 959

Mon 5/105:10 p.m. -

1 stop10h 30m

Fri 9/105:30 a.m. -

1 stop16h 10m

Deal found 13/9C$ 1,315

Mon 9/111:00 p.m. -

3 stops19h 15m

Sun 22/118:30 p.m. -

2 stops24h 30m

Deal found 14/9C$ 1,321

Find flight deals from Ontario to Trondheim

Round-trip from	C$ 865
One-way from	C$ 559

KLM
9/11-22/11
2 total stops
45h 05m total
Ontario to Trondheim

Search Deals

7/10-31/12
3 total stops
16h 55m total
Ontario to Trondheim

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoTrondheim

YYZ Toronto Pearson Intl - TRD Trondheim Vaernes

YYZTRD

Toronto Pearson Intl

Mon 5/10

7:15 p.m.-7:55 p.m.

3 stops18h 40m

Trondheim Vaernes

Wed 31/12

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

Nonstop0h 00m

C$ 607

Quickest round-trip

TorontoTrondheim

YYZ Toronto Pearson Intl - TRD Trondheim Vaernes

YYZTRD

Toronto Pearson Intl

Sat 3/10

7:50 p.m.-2:00 p.m.

1 stop12h 10m

Trondheim Vaernes

Wed 31/12

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

Nonstop0h 00m

C$ 623

TorontoTrondheim

YYZ Toronto Pearson Intl - TRD Trondheim Vaernes

YYZTRD

Toronto Pearson Intl

Sun 4/10

11:55 p.m.-10:25 p.m.

3 stops16h 30m

Trondheim Vaernes

Wed 31/12

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

Nonstop0h 00m

C$ 681

TorontoTrondheim

YYZ Toronto Pearson Intl - TRD Trondheim Vaernes

YYZTRD

Toronto Pearson Intl

Mon 9/11

5:55 p.m.-4:35 p.m.

1 stop16h 40m

Trondheim Vaernes

Sun 22/11

5:15 p.m.-3:40 p.m.

1 stop28h 25m

C$ 865

TorontoTrondheim

YYZ Toronto Pearson Intl - TRD Trondheim Vaernes

YYZTRD

Toronto Pearson Intl

Mon 5/10

6:10 a.m.-11:35 a.m.

2 stops23h 25m

Trondheim Vaernes

Fri 9/10

12:10 p.m.-7:55 p.m.

1 stop13h 45m

C$ 959

TorontoTrondheim

YYZ Toronto Pearson Intl - TRD Trondheim Vaernes

YYZTRD

Toronto Pearson Intl

Tue 6/10

4:45 p.m.-4:35 p.m.

1 stop17h 50m

Trondheim Vaernes

Wed 31/12

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

Nonstop0h 00m

C$ 1,171

TorontoTrondheim

YYZ Toronto Pearson Intl - TRD Trondheim Vaernes

YYZTRD

Toronto Pearson Intl

Thu 8/10

4:45 p.m.-11:35 a.m.

1 stop12h 50m

Trondheim Vaernes

Wed 31/12

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

Nonstop0h 00m

C$ 1,248

TorontoTrondheim

YYZ Toronto Pearson Intl - TRD Trondheim Vaernes

YYZTRD

Toronto Pearson Intl

Mon 5/10

5:10 p.m.-9:40 a.m.

1 stop10h 30m

Trondheim Vaernes

Fri 9/10

5:30 a.m.-3:40 p.m.

1 stop16h 10m

C$ 1,315

TorontoTrondheim

YYZ Toronto Pearson Intl - TRD Trondheim Vaernes

YYZTRD

Toronto Pearson Intl

Sun 18/10

8:45 p.m.-8:30 p.m.

2 stops17h 45m

Trondheim Vaernes

Wed 31/12

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

Nonstop0h 00m

C$ 2,500

TorontoTrondheim

YTZ Toronto Island - TRD Trondheim Vaernes

YTZTRD

Toronto Island

Mon 5/10

6:30 p.m.-4:35 p.m.

2 stops16h 05m

Trondheim Vaernes

Wed 31/12

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

Nonstop0h 00m

C$ 6,799

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Sorted by cheapest first

Best time to book a flight from Ontario to Trondheim

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

YYZ-TRD

YTZ-TRD

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 Trondheim

CAON-TRD

YYZ-TRD

YTZ-TRD

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Trondheim from Ontario?
For a flight from Ontario to Trondheim, you will be flying into Vaernes. Trondheim Vaernes (TRD) is just 26.5 km from the centre of the city.
How long is the flight from Region of Ontario to Trondheim?
Departing from Region of Ontario to Trondheim will take you 16h 40m. Region of Ontario and Trondheim are separated by a distance of 5786 km. Both multi-stop and direct flights can be found to your destination and back.
Can I find deals for flights from Ontario to Trondheim that include hotel bookings?
Yes. In addition to deals on Ontario to Trondheim flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Trondheim?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Trondheim.
Can I find deals for business class flights from Ontario to Trondheim?
Yes. Cheapflights offers flight deals from Ontario to Trondheim 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 Ontario to Trondheim from C$ 559

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Trondheim

Cheapest flights from Ontario to TrondheimExplore the most affordable flight options available from Ontario to Trondheim. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Explore the most affordable flight options available from Ontario to Trondheim. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Best flights from Ontario to TrondheimDiscover carefully curated flight deals from Ontario to Trondheim that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Discover carefully curated flight deals from Ontario to Trondheim that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Last-minute flights from Ontario to TrondheimDiscover last-minute flight deals from Ontario to Trondheim. Data last updated 16 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Trondheim. Data last updated 16 September 2026 and is based on user searches.

One-way flights from Ontario to TrondheimSearch for one-way flight options from Ontario to Trondheim. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

Search for one-way flight options from Ontario to Trondheim. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

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Best time to book a flight from Ontario to Trondheim

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Related info for your journey

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

How long is the flight from Region of Ontario to Trondheim?

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

How can I find direct flights from Ontario to Trondheim?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Trondheim

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Complete your trip

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Ontario and Trondheim flights

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Other flights to Trondheim

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Cheapest flights from Ontario to Trondheim
Explore the most affordable flight options available from Ontario to Trondheim. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Best flights from Ontario to Trondheim
Discover carefully curated flight deals from Ontario to Trondheim that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Last-minute flights from Ontario to Trondheim
Discover last-minute flight deals from Ontario to Trondheim. Data last updated 16 September 2026 and is based on user searches.

One-way flights from Ontario to Trondheim
Search for one-way flight options from Ontario to Trondheim. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.