Cheap flights from Trondheim to Istanbul
Cheapest current fares: $117 in October 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from Trondheim (TRD) to Istanbul (IST). Refreshed daily.
Trondheim (TRD) → Istanbul (IST)
- October 2026 $117
- September 2026 $137
- August 2026 $141
- November 2026 $173
Frequently asked questions
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What is the cheapest month to fly from Trondheim to Istanbul?
Based on current 6-month forward fare data, October 2026 is the cheapest month to fly from Trondheim (TRD) to Istanbul (IST), with fares starting from $117.
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What is the lowest current fare from TRD to IST?
The lowest currently-listed fare from Trondheim (TRD) to Istanbul (IST) is $117 on 2026-10-19.
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Is there a direct flight from Trondheim to Istanbul?
There is currently no non-stop service from TRD to IST. Most travellers connect through a hub airport. See our route page for current stopover options.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.