Cheapest return flights from Dublin to Porto in March from $137

AirHint found the following cheapest return flights from Dublin (DUB) to Porto (OPO) in March 2026 (see full year).

Return flights

03 Mar - 05 Mar Ryanair direct
11 Mar - 20 Mar Ryanair direct
10 Mar - 20 Mar Ryanair direct
17 Mar - 20 Mar Ryanair direct
11 Mar - 21 Mar Ryanair direct
03 Mar - 06 Mar Ryanair direct
03 Mar - 20 Mar Ryanair direct
10 Mar - 11 Mar Ryanair direct
16 Mar - 19 Mar Ryanair
10 Mar - 21 Mar Ryanair direct
17 Mar - 04 Apr Ryanair direct
23 Mar - 04 Apr Ryanair direct
17 Mar - 01 Apr Ryanair direct
24 Mar - 04 Apr Ryanair direct
23 Mar - 01 Apr Ryanair direct
24 Mar - 01 Apr Ryanair direct
21 Mar - 04 Apr Ryanair direct
25 Mar - 04 Apr Ryanair direct
23 Mar - 07 Apr Ryanair
20 Mar - 04 Apr Ryanair direct

Also check the deals for one-way flights from Dublin to Porto in March.

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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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