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

Return flights

10 Jul - 16 Jul	easyJet
31 Jul - 10 Aug	Ryanair	direct
13 Jul - 17 Jul	easyJet
01 Jul - 05 Jul	easyJet
31 Jul - 21 Aug	Ryanair	direct
10 Jul - 14 Jul	easyJet
03 Jul - 10 Jul	Ryanair
08 Jul - 11 Jul	easyJet
31 Jul - 17 Aug	Ryanair	direct
27 Jul - 10 Aug	Ryanair	direct
24 Jul - 07 Aug	Ryanair
10 Jul - 13 Jul	easyJet
04 Jul - 11 Jul	easyJet
27 Jul - 03 Aug	Ryanair	direct
27 Jul - 17 Aug	Ryanair	direct
20 Jul - 31 Jul	Ryanair
28 Jul - 04 Aug	easyJet
03 Jul - 11 Jul	Ryanair
20 Jul - 10 Aug	Ryanair	direct
22 Jul - 05 Aug	easyJet

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

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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Cheapest return flights from Belfast to Porto in July from $222

Return flights