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The cheapest month to fly to Porto is June costing on average 91 £ or May costing on average 97 £.
The most expensive months are December costing on average 149 £ and September costing on average 119 £
The cheapest month to fly to Porto is Monday costing on average 48 £ or Wednesday costing on average 53 £.
The most expensive days are Thursday costing on average 65 £ and Friday costing on average 60 £.