AirHint found the following cheapest return flights from Barcelona (BCN) to London (STN) in June 2025 (see full year).

Return flights

30 Jun - 02 Jul	Vueling Airlines
30 Jun - 01 Jul	Vueling Airlines
30 Jun - 05 Jul	Vueling Airlines
30 Jun - 07 Jul	Vueling Airlines
30 Jun - 17 Jul	Vueling Airlines
30 Jun - 01 Jul	Ryanair	direct
30 Jun - 03 Jul	Vueling Airlines
30 Jun - 15 Jul	Ryanair	direct
30 Jun - 09 Jul	Ryanair	direct
30 Jun - 02 Jul	Ryanair	direct
30 Jun - 30 Jun	Ryanair
30 Jun - 30 Jun	Ryanair	direct

Also check the deals for one-way flights from Barcelona to London in June.

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 Barcelona to London in June from 140€

Return flights