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Cheap flights from Ontario to Trondheim from C$ 443

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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — TRD
25 Mar — 1 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Trondheim

Enter your travel dates to find the best prices.

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 23 February 2026.

Mon 23/37:10 a.m.
YYZ
-
TRD
3 stops45h 40m
Multiple Airlines
Mon 13/47:45 p.m.
TRD
-
YYZ
3 stops24h 30m
Multiple Airlines
Deal found 21/2C$ 895
Sat 18/46:00 a.m.
YYZ
-
TRD
2 stops20h 50m
Scandinavian Airlines
Tue 15/93:05 p.m.
TRD
-
YYZ
1 stop30h 35m
Scandinavian Airlines
Deal found 20/2C$ 931
Mon 23/36:50 p.m.
YYZ
-
TRD
1 stop23h 05m
KLM
Mon 13/46:00 a.m.
TRD
-
YYZ
1 stop13h 20m
KLM
Deal found 21/2C$ 1,023
Sat 18/49:55 p.m.
YYZ
-
TRD
1 stop31h 40m
KLM
Tue 15/95:10 p.m.
TRD
-
YYZ
1 stop32h 45m
KLM
Deal found 20/2C$ 1,165
Sat 18/44:50 p.m.
YYZ
-
TRD
3 stops24h 40m
Multiple Airlines
Tue 15/93:05 p.m.
TRD
-
YYZ
3 stops29h 25m
Multiple Airlines
Deal found 20/2C$ 1,205
Wed 4/35:10 p.m.
YYZ
-
TRD
2 stops33h 55m
Scandinavian Airlines
Sun 8/37:20 p.m.
TRD
-
YYZ
2 stops50h 20m
Scandinavian Airlines
Deal found 19/2C$ 1,366
Sat 18/45:30 p.m.
YTZ
-
TRD
2 stops17h 40m
Multiple Airlines
Tue 15/96:00 a.m.
TRD
-
YTZ
2 stops32h 50m
Multiple Airlines
Deal found 20/2C$ 1,505

Find flight deals from Ontario to Trondheim

Keep the following information in mind while searching for Ontario to Trondheim flight deals. Data was last updated 23 February 2026.

Round-trip from

C$ 895

One-way from

C$ 443
23/3-13/4
  • 23/3-13/4
  • 6 total stops
  • 70h 10m total
  • Ontario to Trondheim
Search Deals
24/3
  • 24/3
  • 3 total stops
  • 43h 40m total
  • Ontario to Trondheim
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Trondheim 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 23 February 2026.
Use the filters below to find and compare flights from Ontario to Trondheim that are best for you.

Fly from

Ontario

Fly to

Trondheim

Route

Depart

Return

Price

TorontoTrondheim

YYZ - TRD

YYZTRD

Toronto Pearson Intl

Sat 18/4

9:55 p.m.-11:35 a.m.

1 stop31h 40m

Trondheim Vaernes

Tue 15/9

5:10 p.m.-7:55 p.m.

1 stop32h 45m

C$ 1,165

TorontoTrondheim

YYZ - TRD

YYZTRD

Toronto Pearson Intl

Sat 18/4

4:50 p.m.-11:30 p.m.

3 stops24h 40m

Trondheim Vaernes

Tue 15/9

3:05 p.m.-2:30 p.m.

3 stops29h 25m

C$ 1,205

TorontoTrondheim

YYZ - TRD

YYZTRD

Toronto Pearson Intl

Wed 4/3

5:10 p.m.-9:05 a.m.

2 stops33h 55m

Trondheim Vaernes

Sun 8/3

7:20 p.m.-4:40 p.m.

2 stops50h 20m

C$ 1,366

TorontoTrondheim

YYZ - TRD

YYZTRD

Toronto Pearson Intl

Wed 4/3

5:50 p.m.-4:35 p.m.

1 stop16h 45m

Trondheim Vaernes

Sun 8/3

6:15 a.m.-9:58 p.m.

2 stops21h 43m

C$ 1,455

TorontoTrondheim

YTZ - TRD

YTZTRD

Toronto Island

Sat 18/4

5:30 p.m.-5:10 p.m.

2 stops17h 40m

Trondheim Vaernes

Tue 15/9

6:00 a.m.-8:50 a.m.

2 stops32h 50m

C$ 1,505

TorontoTrondheim

YYZ - TRD

YYZTRD

Toronto Pearson Intl

Wed 25/3

6:20 p.m.-11:35 p.m.

2 stops24h 15m

C$ 486

TorontoTrondheim

YTZ - TRD

YTZTRD

Toronto Island

Sat 28/3

1:10 p.m.-5:35 p.m.

3 stops23h 25m

C$ 553

TorontoTrondheim

YTZ - TRD

YTZTRD

Toronto Island

Tue 24/3

1:10 p.m.-2:20 p.m.

3 stops20h 10m

C$ 553

TorontoTrondheim

YYZ - TRD

YYZTRD

Toronto Pearson Intl

Sat 18/4

8:20 p.m.-9:40 a.m.

3 stops31h 20m

C$ 570

TorontoTrondheim

YTZ - TRD

YTZTRD

Toronto Island

Wed 25/3

1:10 p.m.-2:20 p.m.

3 stops20h 10m

C$ 598

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/2

Showing 1-10 of 19 results
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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.
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
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Trondheim. 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 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 31h 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.

See more FAQs

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Alternative routes for Ontario to Trondheim

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ontario to Trondheim

Discover the top 2 airlines that operate flights from Ontario to Trondheim. 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 23 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapestC$ 936AverageC$ 1,215FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
KLMCheapestC$ 1,055AverageC$ 1,159FlexibilityNo cancel feeOn-time75%
Search KLM flights

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

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

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

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