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

Return flights

17 Sep - 05 Oct	Jetstar
20 Sep - 28 Sep	Jetstar
20 Sep - 05 Oct	Jetstar
18 Sep - 29 Sep	Jetstar
21 Sep - 28 Sep	Jetstar
22 Sep - 28 Sep	Jetstar
18 Sep - 01 Oct	Jetstar
23 Sep - 29 Sep	Jetstar
18 Sep - 02 Oct	Jetstar
18 Sep - 03 Oct	Jetstar
20 Sep - 01 Oct	Jetstar
21 Sep - 29 Sep	Jetstar
17 Sep - 29 Sep	Jetstar
17 Sep - 02 Oct	Jetstar
19 Sep - 01 Oct	Jetstar
20 Sep - 29 Sep	Jetstar
18 Sep - 30 Sep	Jetstar
18 Sep - 04 Oct	Jetstar
20 Sep - 04 Oct	Jetstar
17 Sep - 30 Sep	Jetstar

Also check the deals for one-way flights from Avalon to Barcelona 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 Avalon to Barcelona in September from $1697

Return flights