AirHint found the following cheapest return flights from London (LHR) to Bilbao (BIO) in June 2026 (see full year).

Return flights

01 Jun - 08 Jun	Iberia
20 Jun - 27 Jun	Iberia
25 Jun - 30 Jun	Iberia
27 Jun - 03 Jul	Iberia
26 Jun - 29 Jun	Iberia
13 Jun - 18 Jun	Lufthansa
10 Jun - 18 Jun	SWISS
11 Jun - 18 Jun	SWISS
17 Jun - 20 Jun	SWISS
15 Jun - 18 Jun	TAP
05 Jun - 12 Jun	Lufthansa

Also check the deals for one-way flights from London to Bilbao 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 London to Bilbao in June from 179€

Return flights