AirHint found the following cheapest return flights from Bilbao (BIO) to Warsaw (WAW) in January 2026 (see full year).

Return flights

08 Jan - 20 Jan	easyJet
13 Jan - 20 Jan	Wizz Air
09 Jan - 20 Jan	Vueling Airlines
10 Jan - 20 Jan	Wizz Air
11 Jan - 20 Jan	Vueling Airlines
16 Jan - 20 Jan	Vueling Airlines
12 Jan - 20 Jan	Vueling Airlines
14 Jan - 20 Jan	Vueling Airlines
15 Jan - 20 Jan	Vueling Airlines
08 Jan - 19 Jan	easyJet

Also check the deals for one-way flights from Bilbao to Warsaw in January.

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 Bilbao to Warsaw in January from $141

Return flights