AirHint found the following cheapest return flights from Connaught (NOC) to Gerona (GRO) in September 2025 (see full year).

Return flights

29 Sep - 13 Oct	Ryanair	direct
25 Sep - 13 Oct	Ryanair	direct
18 Sep - 22 Sep	Ryanair	direct
29 Sep - 06 Oct	Ryanair	direct
25 Sep - 29 Sep	Ryanair
25 Sep - 06 Oct	Ryanair	direct
25 Sep - 29 Sep	Ryanair	direct
18 Sep - 06 Oct	Ryanair	direct
18 Sep - 29 Sep	Ryanair	direct
25 Sep - 28 Sep	Ryanair

Also check the deals for one-way flights from Connaught to Gerona 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 Connaught to Gerona in September from $114

Return flights