AirHint found the following cheapest one-way flights from Dublin (DUB) to Lisbon (LIS) in April 2026 (see full year).

One-Way flights

15 Apr	Iberia Express
25 Apr	Iberia Express
25 Apr	TAP	direct
12 Apr	Ryanair	direct
15 Apr	Aer Lingus	direct
09 Apr	Ryanair	direct
10 Apr	Ryanair	direct
24 Apr	Ryanair	direct
06 Apr	Ryanair	direct
22 Apr	Ryanair	direct

Also check the deals for return flights from Dublin to Lisbon in April.

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 Dublin to Lisbon in April from $81

One-Way flights