Cheapest return flights from Rome to Barcelona in September from 166€

Best time to book flights for Rome (CIA) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest return flights from Rome (CIA) to Barcelona (BCN) in September 2025 (see full year).

Return flights

25 Sep - 27 Sep Ryanair
30 Sep - 07 Oct Ryanair
24 Sep - 28 Sep Ryanair
16 Sep - 20 Sep Ryanair
26 Sep - 29 Sep Ryanair
11 Sep - 29 Sep Ryanair
08 Sep - 11 Sep Ryanair
17 Sep - 30 Sep Ryanair
26 Sep - 28 Sep Ryanair
11 Sep - 28 Sep Ryanair
18 Sep - 22 Sep Ryanair

Also check the deals for one-way flights from Rome to Barcelona in September.

Skyscanner

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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona