Cheapest return flights from Belfast to Porto in May from $72

AirHint found the following cheapest return flights from Belfast (BFS) to Porto (OPO) in May 2026 (see full year).

Return flights

15 May - 18 May Ryanair direct
15 May - 25 May Ryanair direct
08 May - 18 May Ryanair direct
15 May - 01 Jun Ryanair direct
11 May - 01 Jun Ryanair direct
08 May - 11 May Ryanair direct
11 May - 25 May Ryanair direct
08 May - 25 May Ryanair direct
18 May - 08 Jun Ryanair direct
04 May - 08 May Ryanair direct
11 May - 15 May Ryanair direct
08 May - 12 May Ryanair
01 May - 18 May Ryanair direct
18 May - 01 Jun Ryanair direct
22 May - 01 Jun Ryanair direct
22 May - 08 Jun Ryanair direct
22 May - 12 Jun Ryanair direct
19 May - 09 Jun Ryanair
22 May - 05 Jun Ryanair
29 May - 03 Jun easyJet

Also check the deals for one-way flights from Belfast to Porto 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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