Cheap flights from Rennes to Istanbul
Cheapest current fares: $369 in August 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from Rennes (RNS) to Istanbul (IST). Refreshed daily.
Rennes (RNS) → Istanbul (IST)
- August 2026 $369
Frequently asked questions
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What is the cheapest month to fly from Rennes to Istanbul?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Rennes (RNS) to Istanbul (IST), with fares starting from $369.
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What is the lowest current fare from RNS to IST?
The lowest currently-listed fare from Rennes (RNS) to Istanbul (IST) is $369 on 2026-08-07.
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Is there a direct flight from Rennes to Istanbul?
There is currently no non-stop service from RNS 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.