AirHint found the following cheapest return flights from Grenoble (GNB) to Lisbon (LIS) in March 2026 (see full year).

Return flights

07 Mar - 13 Mar	Ryanair
06 Mar - 08 Mar	Ryanair
14 Mar - 15 Mar	British Airways
05 Mar - 08 Mar	British Airways
12 Mar - 15 Mar	British Airways
28 Mar - 04 Apr	British Airways
19 Mar - 22 Mar	British Airways

Also check the deals for one-way flights from Grenoble to Lisbon in March.

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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Cheapest return flights from Grenoble to Lisbon in March from 127€

Return flights