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

Return flights

27 Jul - 10 Aug	Iberia
30 Jul - 06 Aug	Iberia
15 Jul - 18 Jul	SWISS
10 Jul - 17 Jul	Lufthansa
15 Jul - 19 Jul	SWISS
09 Jul - 13 Jul	Iberia
11 Jul - 13 Jul	Iberia
16 Jul - 19 Jul	Iberia
23 Jul - 07 Aug	TAP
26 Jul - 09 Aug	TAP
04 Jul - 11 Jul	Iberia
05 Jul - 08 Jul	Iberia
10 Jul - 12 Jul	Lufthansa
10 Jul - 13 Jul	Iberia
24 Jul - 08 Aug	TAP
28 Jul - 03 Aug	Lufthansa

Also check the deals for one-way flights from London to Bilbao 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 London to Bilbao in July from 196€

Return flights