Cheapest one-way flights from Belfast to Grenoble in January from $219

AirHint found the following cheapest one-way flights from Belfast (BHD) to Grenoble (GNB) in January 2026 (see full year).

One-Way flights

03 Jan Aer Lingus
02 Jan British Airways

Also check the deals for return flights from Belfast to Grenoble in January.

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