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

Return flights

30 Mar - 06 Apr	Ryanair	direct
09 Mar - 12 Mar	Ryanair
30 Mar - 03 Apr	Ryanair	direct
30 Mar - 13 Apr	Ryanair	direct
26 Mar - 30 Mar	easyJet
30 Mar - 20 Apr	Ryanair	direct
30 Mar - 17 Apr	Ryanair	direct
04 Mar - 05 Mar	easyJet
16 Mar - 21 Mar	Ryanair
31 Mar - 03 Apr	Ryanair
01 Mar - 04 Mar	Ryanair
30 Mar - 04 Apr	Ryanair
15 Mar - 18 Mar	Ryanair
14 Mar - 17 Mar	Ryanair
12 Mar - 15 Mar	Ryanair
22 Mar - 26 Mar	Ryanair
13 Mar - 20 Mar	easyJet
30 Mar - 10 Apr	Ryanair	direct
29 Mar - 05 Apr	Ryanair

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

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 Porto

Cheap car rent in Porto

Cheapest return flights from Belfast to Porto in March from $100

Return flights