Cheapest one-way flights from London to Dublin in September from $67

AirHint found the following cheapest one-way flights from London (LHR) to Dublin (DUB) in September 2026 (see full year).

One-Way flights

13 Sep British Airways direct
06 Sep British Airways direct
23 Sep British Airways direct
02 Sep British Airways direct
30 Sep British Airways direct
25 Sep British Airways direct
28 Sep British Airways direct
08 Sep British Airways direct
01 Sep British Airways direct
12 Sep British Airways direct

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

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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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