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Cheap flights from Trondheim to Ontario from C$ 623

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
TRD — YYZ
17 Jul — 24 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Trondheim to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Trondheim to Ontario
Explore the most affordable flight options available from Trondheim to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 June 2026.

Thu 16/76:00 a.m.
TRD
-
YYZ
1 stop19h 55m
KLM
Mon 20/79:55 p.m.
YYZ
-
TRD
1 stop31h 40m
KLM
Deal found 16/6C$ 1,232
Fri 10/712:10 p.m.
TRD
-
YYZ
1 stop13h 45m
KLM
Tue 14/79:55 p.m.
YYZ
-
TRD
1 stop31h 40m
KLM
Deal found 17/6C$ 1,239
Thu 27/87:45 p.m.
TRD
-
YYZ
1 stop25h 55m
Scandinavian Airlines
Mon 31/85:10 p.m.
YYZ
-
TRD
1 stop25h 25m
Scandinavian Airlines
Deal found 16/6C$ 1,312
Thu 16/75:40 a.m.
TRD
-
YYZ
3 stops19h 30m
Multiple Airlines
Mon 20/78:45 p.m.
YYZ
-
TRD
3 stops33h 00m
Multiple Airlines
Deal found 16/6C$ 1,330

Find flight deals from Trondheim to Ontario

Keep the following information in mind while searching for Trondheim to Ontario flight deals. Data was last updated 17 June 2026.

Round-trip from

C$ 1,188

One-way from

C$ 623

Popular in

December

Cheapest in

February

Average price

C$ 1,187
KLM
  • KLM
  • 2/7-6/7
  • 2 total stops
  • 31h 35m total
  • Trondheim to Ontario
Search Deals
9/7
  • 9/7
  • 3 total stops
  • 48h 25m total
  • Trondheim to Ontario
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (C$ 685 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (C$ 160 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trondheim 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 17 June 2026.
Use the filters below to find and compare flights from Trondheim to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TrondheimToronto

TRD - YYZ

TRDYYZ

Trondheim Vaernes

Thu 2/7

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

1 stop13h 45m

Toronto Pearson Intl

Mon 6/7

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

1 stop17h 50m

C$ 1,188

TrondheimToronto

TRD - YYZ

TRDYYZ

Trondheim Vaernes

Mon 27/7

6:00 p.m.-12:55 p.m.

1 stop24h 55m

Toronto Pearson Intl

Mon 3/8

8:20 p.m.-5:10 p.m.

1 stop14h 50m

C$ 1,277
Quickest round-trip

TrondheimToronto

TRD - YYZ

TRDYYZ

Trondheim Vaernes

Thu 16/7

6:00 a.m.-3:20 p.m.

2 stops15h 20m

Toronto Pearson Intl

Mon 20/7

3:20 p.m.-11:35 a.m.

2 stops14h 15m

C$ 1,289

TrondheimToronto

TRD - YYZ

TRDYYZ

Trondheim Vaernes

Thu 27/8

7:45 p.m.-3:40 p.m.

1 stop25h 55m

Toronto Pearson Intl

Mon 31/8

5:10 p.m.-12:35 a.m.

1 stop25h 25m

C$ 1,312

TrondheimToronto

TRD - YYZ

TRDYYZ

Trondheim Vaernes

Thu 16/7

5:40 a.m.-7:10 p.m.

3 stops19h 30m

Toronto Pearson Intl

Mon 20/7

8:45 p.m.-11:45 a.m.

3 stops33h 00m

C$ 1,330
Cheapest one-way
Quickest one-way

TrondheimToronto

TRD - YYZ

TRDYYZ

Trondheim Vaernes

Thu 9/7

8:30 p.m.-2:55 p.m.

3 stops48h 25m

C$ 623

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/6

Sorted by cheapest first

Best time to book a flight from Trondheim to Ontario

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

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

Currently, May is the cheapest month in which you can book a flight from Trondheim to Region of Ontario (average of C$ 633). Flying from Trondheim to Region of Ontario in November is currently the most expensive (average of C$ 1,330). 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.

How much does it cost to fly round-trip from Trondheim to Region of Ontario?

Related info for your journey

Find useful and relevant information for your journey from Trondheim 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 Trondheim to Ontario?

    Trondheim Vaernes (TRD), located 26.5 km from the city centre, is the airport you fly out of when you book flights from Trondheim to Ontario.

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

    KLM and Scandinavian Airlines can get you from Trondheim to Region of Ontario in just under 13h 45m. Your travel time can differ by up to 12h 10m. The distance between Trondheim and Region of Ontario is about 5786 km. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Trondheim 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 Trondheim to Region of Ontario?

    Currently, May is the cheapest month in which you can book a flight from Trondheim to Region of Ontario (average of C$ 633). Flying from Trondheim to Region of Ontario in November is currently the most expensive (average of C$ 1,330). 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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Deals for Trondheim to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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Can Cheapflights find flights from Trondheim to Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Trondheim to Ontario, users can toggle the no change fees filter when performing a flight search.

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