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

One-Way flights

04 Jun	British Airways	direct
06 Jun	British Airways	direct
11 Jun	British Airways	direct
02 Jun	British Airways	direct
12 Jun	British Airways	direct
07 Jun	British Airways	direct
16 Jun	British Airways	direct
03 Jun	British Airways	direct
10 Jun	British Airways	direct
08 Jun	British Airways	direct

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

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

One-Way flights