AirHint found the following cheapest return flights from Basel (BSL) to Prague (PRG) in September 2025 (see full year).

Return flights

22 Sep - 29 Sep	easyJet	direct
22 Sep - 26 Sep	easyJet	direct
29 Sep - 06 Oct	easyJet	direct
22 Sep - 24 Sep	easyJet	direct
15 Sep - 22 Sep	easyJet	direct
21 Sep - 27 Oct	easyJet	direct
22 Sep - 23 Sep	easyJet
21 Sep - 22 Sep	easyJet	direct
10 Sep - 15 Sep	easyJet	direct
29 Sep - 05 Oct	easyJet	direct
25 Sep - 29 Sep	easyJet
19 Sep - 22 Sep	Wizz Air
08 Sep - 12 Sep	easyJet	direct
28 Sep - 03 Oct	easyJet	direct
27 Sep - 03 Oct	Ryanair
27 Sep - 05 Oct	Ryanair
28 Sep - 05 Oct	easyJet

Also check the deals for one-way flights from Basel to Prague in September.

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 Basel to Prague in September from 63€

Return flights