Cheapest return flights from Belfast to Grenoble in December from $254

AirHint found the following cheapest return flights from Belfast (BHD) to Grenoble (GNB) in December 2025 (see full year).

Return flights

06 Dec - 13 Dec easyJet
27 Dec - 04 Jan Aer Lingus

Also check the deals for one-way flights from Belfast to Grenoble in December.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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