AirHint found the following cheapest return flights from Bilbao (BIO) to Basel (BSL) in July 2026 (see full year).

Return flights

03 Jul - 07 Jul	easyJet	direct
07 Jul - 14 Jul	easyJet	direct
10 Jul - 14 Jul	easyJet	direct
02 Jul - 06 Jul	Lufthansa
04 Jul - 08 Jul	Lufthansa
06 Jul - 10 Jul	Lufthansa
08 Jul - 12 Jul	Lufthansa
05 Jul - 09 Jul	Lufthansa
09 Jul - 13 Jul	Lufthansa
01 Jul - 05 Jul	Iberia

Also check the deals for one-way flights from Bilbao to Basel in July.

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 Basel in July from 111€

Return flights