AirHint found the following cheapest one-way flights from London (LHR) to Bilbao (BIO) in December 2025 (see full year).

One-Way flights

03 Dec	Vueling Airlines	direct
11 Dec	Vueling Airlines	direct
10 Dec	Vueling Airlines	direct
04 Dec	Vueling Airlines	direct
16 Dec	Vueling Airlines	direct
12 Dec	Vueling Airlines	direct
02 Dec	Vueling Airlines	direct
18 Dec	Vueling Airlines	direct
15 Dec	Vueling Airlines	direct
01 Dec	Vueling Airlines	direct

Also check the deals for return flights from London to Bilbao in December.

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 one-way flights from London to Bilbao in December from 35€

One-Way flights