AirHint found the following cheapest return flights from Lisbon (LIS) to Dublin (DUB) in July 2026 (see full year).

Return flights

23 Jul - 08 Aug	Ryanair	direct
23 Jul - 07 Aug	Ryanair	direct
05 Jul - 07 Jul	Ryanair	direct
05 Jul - 11 Jul	Ryanair	direct
02 Jul - 11 Jul	TAP	direct
01 Jul - 07 Jul	Ryanair	direct
05 Jul - 10 Jul	Ryanair	direct
07 Jul - 07 Jul	Ryanair	direct
23 Jul - 29 Jul	Ryanair	direct
02 Jul - 07 Jul	Ryanair	direct
01 Jul - 11 Jul	Ryanair	direct
06 Jul - 07 Jul	Ryanair	direct

Also check the deals for one-way 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 return flights from Lisbon to Dublin in July from 165€

Return flights