AirHint found the following cheapest return flights from Lille (LIL) to Barcelona (BCN) in May 2026 (see full year).

Return flights

08 May - 10 May	easyJet
06 May - 08 May	easyJet
15 May - 18 May	easyJet
06 May - 18 May	Volotea	direct
15 May - 18 May	Volotea	direct
14 May - 17 May	easyJet
01 May - 18 May	Volotea	direct
06 May - 08 May	Volotea	direct
01 May - 08 May	Volotea	direct

Also check the deals for one-way flights from Lille to Barcelona in May.

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 Lille to Barcelona in May from 173€

Return flights