Cheap flights from Istanbul to Trieste
Cheapest current fares: $93 in September 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from Istanbul (IST) to Trieste (TRS). Refreshed daily.
Istanbul (IST) → Trieste (TRS)
- September 2026 $93
- October 2026 $97
- January 2027 $119
- December 2026 $144
- August 2026 $219
Frequently asked questions
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What is the cheapest month to fly from Istanbul to Trieste?
Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Istanbul (IST) to Trieste (TRS), with fares starting from $93.
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What is the lowest current fare from IST to TRS?
The lowest currently-listed fare from Istanbul (IST) to Trieste (TRS) is $93 on 2026-09-20.
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Is there a direct flight from Istanbul to Trieste?
There is currently no non-stop service from IST to TRS. 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.