Cheap flights from Ontario to Trondheim from C$ 709
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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
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 15 September 2025.
Find 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 15 September 2025.
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 15 September 2025.
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Use the filters below to find and compare flights from Ontario to Trondheim that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
TorontoTrondheim
YYZ - TRD
YYZTRD
Toronto Pearson Intl
Fri 7/11
6:00 a.m.-9:40 a.m.
2 stops21h 40m
Trondheim Vaernes
Tue 11/11
7:45 a.m.-3:40 p.m.
2 stops13h 55m
TorontoTrondheim
YYZ - TRD
YYZTRD
Toronto Pearson Intl
Sun 12/10
6:00 a.m.-8:55 a.m.
2 stops20h 55m
Trondheim Vaernes
Sun 19/10
8:35 p.m.-3:40 p.m.
2 stops25h 05m
TorontoTrondheim
YYZ - TRD
YYZTRD
Toronto Pearson Intl
Sun 12/10
10:10 p.m.-11:30 a.m.
1 stop31h 20m
Trondheim Vaernes
Sun 19/10
5:05 p.m.-7:55 p.m.
1 stop32h 50m
TorontoTrondheim
YYZ - TRD
YYZTRD
Toronto Pearson Intl
Fri 7/11
2:05 p.m.-7:50 p.m.
2 stops23h 45m
Trondheim Vaernes
Tue 11/11
4:30 p.m.-8:10 p.m.
3 stops33h 40m
TorontoTrondheim
YYZ - TRD
YYZTRD
Toronto Pearson Intl
Sat 20/12
9:15 p.m.-10:55 p.m.
1 stop19h 40m
Trondheim Vaernes
Tue 30/12
6:15 a.m.-7:15 p.m.
1 stop19h 00m
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.
Cheapflights Insights
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Related info for your journey
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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.
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 15 September 2025.
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Why should you use Cheapflights to find cheap flight tickets from Ontario to Trondheim?
Cheapflights helps you find that perfect flight to Trondheim from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
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.
Can Cheapflights notify me if prices for flights from Ontario to Trondheim become cheaper?
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