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

One-Way flights

17 Apr	Iberia Express
12 Apr	Ryanair	direct
14 Apr	Iberia Express
26 Apr	Ryanair	direct
15 Apr	Iberia Express
30 Apr	Ryanair	direct
11 Apr	Ryanair	direct
17 Apr	TAP	direct
10 Apr	Ryanair	direct
29 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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Cheapest one-way flights from Dublin to Lisbon in April from 72€

One-Way flights