Cheapest one-way flights from London to Dublin in September from 31€

Best time to book flights for London (LGW) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest one-way flights from London (LGW) to Dublin (DUB) in September 2025 (see full year).

One-Way flights

23 Sep Ryanair direct
17 Sep Ryanair direct
02 Sep Ryanair direct
16 Sep Ryanair direct
09 Sep Ryanair direct
10 Sep Ryanair direct
03 Sep Ryanair direct
01 Sep Ryanair direct
27 Sep Ryanair direct
04 Sep Ryanair direct

Also check the deals for return flights from London 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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