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

Return flights

13 Jul - 17 Jul	easyJet
27 Jul - 05 Aug	easyJet
03 Jul - 06 Jul	Ryanair
13 Jul - 24 Jul	easyJet
06 Jul - 10 Jul	easyJet
06 Jul - 20 Jul	easyJet
03 Jul - 06 Jul	Volotea	direct
24 Jul - 07 Aug	easyJet
24 Jul - 31 Jul	easyJet
03 Jul - 17 Jul	easyJet
06 Jul - 18 Jul	easyJet
31 Jul - 07 Aug	Ryanair
16 Jul - 27 Jul	Volotea
09 Jul - 06 Aug	easyJet
02 Jul - 10 Aug	Volotea
10 Jul - 07 Aug	easyJet
24 Jul - 07 Aug	Volotea	direct
10 Jul - 07 Aug	Volotea	direct
31 Jul - 07 Aug	Volotea	direct
20 Jul - 07 Aug	Volotea	direct

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

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 July from $227

Return flights