AirHint found the following cheapest return flights from Amsterdam (AMS) to Basel (BSL) in June 2025 (see full year).

Return flights

30 Jun - 04 Jul	easyJet	direct
30 Jun - 03 Jul	easyJet
27 Jun - 30 Jun	easyJet	direct
29 Jun - 07 Jul	Pegasus Airlines
28 Jun - 30 Jun	easyJet
27 Jun - 04 Jul	easyJet	direct
28 Jun - 02 Jul	TUI.nl
30 Jun - 01 Jul	AJet
30 Jun - 24 Jul	AJet
29 Jun - 01 Jul	Pegasus Airlines
27 Jun - 03 Jul	Corendon Dutch Airlines
29 Jun - 07 Jul	easyJet	direct
27 Jun - 29 Jun	easyJet	direct
27 Jun - 27 Jun	Lufthansa
28 Jun - 28 Jun	KLM	direct
27 Jun - 27 Jun	KLM	direct

Also check the deals for one-way flights from Amsterdam to Basel in June.

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 Amsterdam to Basel in June from $252

Return flights