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

Return flights

31 Oct - 18 Nov	Ryanair	direct
31 Oct - 10 Nov	Ryanair	direct
18 Oct - 20 Oct	Ryanair
18 Oct - 19 Oct	Ryanair
16 Oct - 19 Oct	Vueling Airlines
03 Oct - 20 Oct	Ryanair
03 Oct - 19 Oct	Ryanair
18 Oct - 08 Nov	Ryanair	direct
31 Oct - 08 Nov	Ryanair	direct
12 Oct - 20 Oct	Ryanair
12 Oct - 19 Oct	Ryanair
24 Oct - 31 Oct	TAP	direct
11 Oct - 20 Oct	Ryanair
11 Oct - 19 Oct	Ryanair
25 Oct - 10 Nov	Ryanair	direct
25 Oct - 01 Nov	TAP	direct
25 Oct - 08 Nov	Ryanair	direct
18 Oct - 01 Nov	Ryanair	direct
24 Oct - 10 Nov	Ryanair	direct
31 Oct - 01 Nov	Ryanair	direct

Also check the deals for one-way flights from Dublin to Lisbon in October.

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 Dublin to Lisbon in October from 101€

Return flights