Cheapest one-way flights from Dublin to London in September from 27€

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

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

One-Way flights

23 Sep Ryanair direct
03 Sep Ryanair direct
09 Sep Ryanair direct
17 Sep Ryanair direct
30 Sep Ryanair direct
06 Sep Ryanair direct
11 Sep Ryanair direct
08 Sep Ryanair direct
13 Sep Ryanair direct
26 Sep Ryanair direct

Also check the deals for return 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.

Book a cheap hotel in London

Cheap car rent in London