AirHint found the following cheapest one-way flights from Barcelona (BCN) to Prague (PRG) in September 2025 (see full year).

One-Way flights

29 Sep	Vueling Airlines	direct
02 Sep	Vueling Airlines	direct
08 Sep	Vueling Airlines	direct
30 Sep	Vueling Airlines	direct
03 Sep	Ryanair	direct
05 Sep	Vueling Airlines	direct
06 Sep	Vueling Airlines	direct
09 Sep	Vueling Airlines	direct
24 Sep	easyJet
18 Sep	easyJet

Also check the deals for return flights from Barcelona 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 one-way flights from Barcelona to Prague in September from $35

One-Way flights