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Cheap flights from Ontario to Trondheim from C$ 1,281

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 24/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — TRD
7 Jul — 14 Jul1
1 adult

Cheap flight deals from Ontario to Trondheim

Keep the following information in mind while searching for Ontario to Trondheim flight deals. Data was last updated 2 July 2025.

Round-trip from

C$ 1,281
Scandinavian Airlines
  • Scandinavian Airlines
  • 24/7-2/8
  • 4 total stops
  • 71h 10m total
  • Ontario to Trondheim
Search Deals

Find flight deals from Ontario to Trondheim

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 2 July 2025.

Thu 24/75:10 p.m.YYZ - TRD
2 stops22h 40mScandinavian Airlines
Sat 2/89:10 p.m.TRD - YYZ
2 stops48h 30mScandinavian Airlines
Deal found 2/7C$ 1,281
Thu 24/710:10 p.m.YYZ - TRD
1 stop31h 20mKLM
Sat 2/86:00 a.m.TRD - YYZ
1 stop19h 55mKLM
Deal found 2/7C$ 1,378
Thu 24/77:55 a.m.YYZ - TRD
3 stops33h 30mMultiple Airlines
Sat 2/89:10 p.m.TRD - YYZ
3 stops30h 45mMultiple Airlines
Deal found 2/7C$ 1,822

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 2 July 2025.
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

Thu 24/7

5:10 p.m.-9:50 p.m.

2 stops22h 40m

Trondheim Vaernes

Sat 2/8

9:10 p.m.-3:40 p.m.

2 stops48h 30m

C$ 1,281

TorontoTrondheim

YYZ - TRD

YYZTRD

Toronto Pearson Intl

Thu 24/7

10:10 p.m.-11:30 a.m.

1 stop31h 20m

Trondheim Vaernes

Sat 2/8

6:00 a.m.-7:55 p.m.

1 stop19h 55m

C$ 1,378

TorontoTrondheim

YYZ - TRD

YYZTRD

Toronto Pearson Intl

Thu 24/7

7:55 a.m.-11:25 p.m.

3 stops33h 30m

Trondheim Vaernes

Sat 2/8

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

3 stops30h 45m

C$ 1,822

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

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.

Reviews of airlines servicing Trondheim

Get insights into the airlines that provide service to Trondheim. 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 Trondheim. Reviews last updated 2 July 2025.
Read reviews from past customers who have flown KLM and Scandinavian Airlines from Ontario to Trondheim. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,366 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Overall

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,366 reviews
KLM
7.8
Good
1,366 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Overall

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Scandinavian Airlines
7.3
Good
1,415 reviews
KLM
7.8
Good
1,366 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Overall

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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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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 2 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapestC$ 932AverageC$ 1,198FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
KLMCheapestC$ 964AverageC$ 1,127FlexibilityNo cancel feeOn-time75%
Search KLM flights

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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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