Cheapest return flights from Dublin to Lisbon in May from $184

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

Return flights

03 May - 05 May TAP
04 May - 19 May Ryanair direct
06 May - 19 May Ryanair direct
04 May - 05 May Ryanair direct
29 May - 31 May TAP direct
21 May - 24 May TAP direct
06 May - 13 May TAP direct
01 May - 05 May Iberia Express
04 May - 13 May Ryanair direct
06 May - 26 May Ryanair direct
25 May - 11 Jun Ryanair direct
25 May - 07 Jun Ryanair direct
25 May - 10 Jun Ryanair direct
25 May - 08 Jun Ryanair direct
25 May - 04 Jun Ryanair direct
24 May - 11 Jun Ryanair direct
24 May - 07 Jun Ryanair direct
24 May - 10 Jun Ryanair direct
23 May - 11 Jun Ryanair direct
23 May - 07 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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