Cheapest return flights from Dublin to Lisbon in May from 139€

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

Return flights

25 May - 28 May TAP direct
09 May - 16 May TAP direct
24 May - 28 May TAP direct
07 May - 09 May Ryanair direct
08 May - 11 May KLM
23 May - 30 May TAP direct
09 May - 09 May Ryanair direct
07 May - 16 May Ryanair direct
07 May - 07 May Ryanair direct
08 May - 09 May Ryanair direct
20 May - 08 Jun Aer Lingus
25 May - 04 Jun Ryanair direct
25 May - 08 Jun Ryanair direct
30 May - 01 Jun SWISS
25 May - 15 Jun Ryanair direct
30 May - 18 Jun Ryanair direct
24 May - 04 Jun Ryanair direct
24 May - 08 Jun Ryanair direct
25 May - 01 Jun Ryanair direct
23 May - 04 Jun Ryanair direct

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

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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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