Cheapest return flights from Dublin to Lisbon in May from 123€

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

Return flights

04 May - 07 May TAP direct
24 May - 05 Jun TAP
05 May - 11 May TAP
06 May - 07 May Ryanair direct
12 May - 22 May Ryanair direct
12 May - 28 May Ryanair direct
23 May - 24 May Ryanair direct
19 May - 22 May Ryanair direct
19 May - 28 May Ryanair direct
08 May - 12 May Ryanair direct
04 May - 23 May Ryanair direct
19 May - 07 Jun Ryanair direct
23 May - 07 Jun Ryanair direct
24 May - 07 Jun Ryanair direct
19 May - 03 Jun Ryanair direct
23 May - 13 Jun Ryanair direct
23 May - 03 Jun Ryanair direct
17 May - 03 Jun Ryanair direct
24 May - 13 Jun Ryanair direct
24 May - 03 Jun Ryanair direct

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.