Cheapest return flights from Dublin to London in September from 56€

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

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

Return flights

03 Sep - 23 Sep Ryanair direct
03 Sep - 10 Sep Ryanair direct
09 Sep - 30 Sep Ryanair direct
09 Sep - 23 Sep Ryanair direct
09 Sep - 10 Sep Ryanair direct
17 Sep - 30 Sep Ryanair direct
17 Sep - 23 Sep Ryanair direct
30 Sep - 30 Sep Ryanair direct
17 Sep - 01 Oct Ryanair direct
30 Sep - 01 Oct Ryanair direct
30 Sep - 15 Oct Ryanair direct
03 Sep - 09 Sep Ryanair direct
06 Sep - 23 Sep Ryanair direct
11 Sep - 01 Oct Ryanair direct
13 Sep - 01 Oct Ryanair direct
22 Sep - 01 Oct Ryanair direct
26 Sep - 01 Oct Ryanair direct
26 Sep - 15 Oct Ryanair direct
14 Sep - 01 Oct Ryanair direct
28 Sep - 01 Oct Ryanair direct

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