Cheapest one-way flights from London to Dublin in May from $64

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

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

One-Way flights

06 May British Airways direct
27 May British Airways direct
19 May British Airways direct
28 May British Airways direct
13 May Aer Lingus direct
03 May Aer Lingus direct
24 May Aer Lingus direct
05 May British Airways direct
14 May British Airways direct
21 May British Airways direct

Also check the deals for return flights from London to Dublin in May.

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 Dublin

Cheap car rent in Dublin