Cheapest return flights from London to Dublin in September from 40€

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

Return flights

29 Sep - 30 Sep Ryanair direct
21 Sep - 30 Sep Ryanair direct
21 Sep - 23 Sep Ryanair direct
21 Sep - 24 Sep Ryanair direct
21 Sep - 27 Sep Ryanair direct
21 Sep - 26 Sep Ryanair direct
21 Sep - 22 Sep Ryanair direct
13 Sep - 30 Sep Ryanair direct
13 Sep - 23 Sep Ryanair direct
13 Sep - 18 Sep Ryanair direct
29 Sep - 14 Oct Ryanair direct
25 Sep - 14 Oct Ryanair direct
30 Sep - 14 Oct Ryanair direct
23 Sep - 14 Oct Ryanair direct
29 Sep - 18 Oct Ryanair direct
29 Sep - 02 Oct Ryanair direct
29 Sep - 11 Oct Ryanair direct
21 Sep - 02 Oct Ryanair direct
21 Sep - 11 Oct Ryanair direct
13 Sep - 02 Oct Ryanair direct

Also check the deals for one-way 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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