Cheap flights from Istanbul to Rennes
Cheapest current fares: $122 in October 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from Istanbul (IST) to Rennes (RNS). Refreshed daily.
Istanbul (IST) → Rennes (RNS)
- October 2026 $122
- December 2026 $129
- August 2026 $310
Frequently asked questions
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What is the cheapest month to fly from Istanbul to Rennes?
Based on current 6-month forward fare data, October 2026 is the cheapest month to fly from Istanbul (IST) to Rennes (RNS), with fares starting from $122.
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What is the lowest current fare from IST to RNS?
The lowest currently-listed fare from Istanbul (IST) to Rennes (RNS) is $122 on 2026-10-05.
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Is there a direct flight from Istanbul to Rennes?
There is currently no non-stop service from IST to RNS. 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.