AirHint found the following cheapest one-way flights from Lisbon (LIS) to Dublin (DUB) in July 2025 (see full year).

One-Way flights

02 Jul	Transavia France
24 Jul	Transavia France
09 Jul	Vueling Airlines
03 Jul	Vueling Airlines
23 Jul	Ryanair
29 Jul	Ryanair
22 Jul	Ryanair
26 Jul	Ryanair	direct
16 Jul	Transavia France
03 Jul	TAP	direct

Also check the deals for return flights from Lisbon 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 Lisbon to Dublin in July from $71

One-Way flights