Cheapest return flights from Bilbao to Dublin in September from $104

AirHint found the following cheapest return flights from Bilbao (BIO) to Dublin (DUB) in September 2025 (see full year).

Return flights

30 Sep - 01 Oct Vueling Airlines
30 Sep - 07 Oct Vueling Airlines
30 Sep - 07 Oct Aer Lingus direct
23 Sep - 30 Sep Aer Lingus
29 Sep - 01 Oct Vueling Airlines
16 Sep - 30 Sep Vueling Airlines
25 Sep - 30 Sep Aer Lingus
24 Sep - 27 Sep Vueling Airlines
24 Sep - 29 Sep Vueling Airlines
18 Sep - 22 Sep Vueling Airlines
16 Sep - 22 Sep Vueling Airlines
16 Sep - 23 Sep Vueling Airlines
17 Sep - 23 Sep Vueling Airlines
30 Sep - 01 Oct Aer Lingus direct
18 Sep - 27 Sep Vueling Airlines
29 Sep - 04 Oct Vueling Airlines
30 Sep - 05 Oct Vueling Airlines
25 Sep - 02 Oct Aer Lingus direct
17 Sep - 01 Oct Vueling Airlines
24 Sep - 13 Oct Vueling Airlines

Also check the deals for one-way flights from Bilbao to Dublin in September.

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.

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