Cheap flights from Rennes to Brussels

One-way fares from €139 · RNS → BRU · prices found by travellers in the last 48 hours

Compare all dates Brussels → Rennes
Cheapest fare
€139

KLM · Tue, 1 Dec

Cheapest month
December

from €139

Direct flights
Not recently

Usually 1+ stop

Quickest trip
2h 05m

530 km

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Cheapest month to fly from Rennes to Brussels

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 €190
  2. December 2026 Cheapest €139

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

KLM
Depart16:45 Tue, 1 DecRNS → BRU 2h 05m · 1 stop
€139one way, per person
View deal
See every date in December 2026 →

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About flights from Rennes to Brussels

Rennes (RNS) and Brussels (BRU) are about 530 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 2h 05m. Over the next few months, one-way fares start from €139, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Rennes to Brussels?

The cheapest one-way fare we've seen recently is €139 with KLM, departing Tuesday, 1 December 2026. Over the coming months, the lowest fare in each month ranges from €139 to €190.

What is the cheapest month to fly from Rennes to Brussels?

December 2026 currently has the lowest fares, from €139 one way.

Are there direct flights from Rennes to Brussels?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Rennes to Brussels?

The quickest journey we've seen takes about 2h 05m. Rennes and Brussels are around 530 km apart.

Which airlines fly from Rennes to Brussels?

Recent fares on this route were with Transavia France and KLM.

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