Cheapest return flights from Belfast to Dublin in September from 162€

Best time to book flights for Belfast (BFS) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest return flights from Belfast (BFS) to Dublin (DUB) in September 2025 (see full year).

Return flights

02 Sep - 07 Sep Ryanair

Also check the deals for one-way flights from Belfast to Dublin 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.

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