Cheapest return flights from Porto to Belfast in September from 159€

AirHint found the following cheapest return flights from Porto (OPO) to Belfast (BFS) in September 2025 (see full year).

Return flights

13 Sep - 17 Sep Ryanair
24 Sep - 11 Oct Ryanair direct
27 Sep - 11 Oct Ryanair direct
13 Sep - 24 Sep Ryanair direct
24 Sep - 15 Oct Ryanair direct
27 Sep - 15 Oct Ryanair direct
27 Sep - 18 Oct Ryanair direct
06 Sep - 24 Sep Ryanair direct
24 Sep - 04 Oct Ryanair direct
24 Sep - 01 Oct Ryanair direct
27 Sep - 04 Oct Ryanair direct
27 Sep - 01 Oct Ryanair direct
17 Sep - 24 Sep Ryanair direct
20 Sep - 24 Sep Ryanair direct
13 Sep - 20 Sep Ryanair direct
13 Sep - 04 Oct Ryanair direct
06 Sep - 20 Sep Ryanair direct
17 Sep - 20 Sep Ryanair direct
13 Sep - 17 Sep Ryanair direct
06 Sep - 10 Sep Ryanair direct

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

Skyscanner

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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