Cheapest return flights from London to Bilbao in May from $229

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

Return flights

30 May - 06 Jun Iberia
08 May - 12 May Lufthansa
16 May - 19 May British Airways
07 May - 11 May Iberia
08 May - 11 May Iberia
09 May - 09 May Iberia
28 May - 31 May Iberia
21 May - 27 May Lufthansa
21 May - 28 May Lufthansa
21 May - 26 May Lufthansa
29 May - 31 May Iberia
29 May - 01 Jun Lufthansa

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

Skyscanner

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.

Book a cheap hotel in Bilbao

Cheap car rent in Bilbao

Feel free to contact us with any feedback or request another flight research.