AirHint found the following cheapest return flights from Manchester (MAN) to Bilbao (BIO) in August 2025 (see full year).

Return flights

31 Aug - 08 Sep	Jet2
30 Aug - 06 Sep	Vueling Airlines
31 Aug - 07 Sep	Ryanair
31 Aug - 04 Sep	Vueling Airlines
27 Aug - 01 Sep	Vueling Airlines
28 Aug - 03 Sep	easyJet
27 Aug - 04 Sep	Ryanair
27 Aug - 05 Sep	Vueling Airlines
30 Aug - 07 Sep	Vueling Airlines
27 Aug - 04 Sep	easyJet	direct
26 Aug - 29 Aug	Vueling Airlines
06 Aug - 11 Aug	Ryanair
10 Aug - 13 Aug	easyJet	direct
11 Aug - 13 Aug	Ryanair
26 Aug - 28 Aug	Vueling Airlines
06 Aug - 08 Aug	Ryanair
03 Aug - 06 Aug	Ryanair
20 Aug - 31 Aug	easyJet
06 Aug - 07 Aug	Ryanair
11 Aug - 14 Aug	Ryanair

Also check the deals for one-way flights from Manchester to Bilbao in August.

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 Manchester to Bilbao in August from 85€

Return flights