London → Porto flight prices: what is a good price?

On a typical day across the 72 days we have tracked London → Porto, a return has cost €45. €35 or under is among the cheapest 10% of those days; up to €39 is in the cheapest quarter; above €50 is pricier than three days in four. The cheapest return we recorded was €34, seen on 2026-09-04.

• Exceptional: €35 or under
• Good: up to €39
• Typical: around €45
• Expensive: above €50