Cheapest return flights from London to Bilbao in April from 180€

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

Return flights

18 Apr - 25 Apr Iberia
20 Apr - 23 Apr Iberia
13 Apr - 20 Apr Iberia
29 Apr - 02 May Iberia
10 Apr - 12 Apr Iberia
18 Apr - 24 Apr British Airways
15 Apr - 18 Apr SWISS
30 Apr - 06 May SWISS
21 Apr - 27 Apr Iberia
10 Apr - 13 Apr Iberia
19 Apr - 25 Apr Iberia
14 Apr - 21 Apr Lufthansa
30 Apr - 03 May TAP
30 Apr - 09 May Iberia

Also check the deals for one-way flights from London to Bilbao in April.

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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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