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

One-Way flights

13 Jul	British Airways	direct
14 Jul	British Airways	direct
07 Jul	British Airways	direct
15 Jul	British Airways	direct
01 Jul	British Airways	direct
02 Jul	British Airways	direct
16 Jul	British Airways	direct
31 Jul	British Airways	direct
24 Jul	British Airways	direct
09 Jul	Luxair

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

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 July from $110

One-Way flights