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The cheapest month to fly to Porto is June costing on average 94 £ or May costing on average 100 £.
The most expensive months are December costing on average 153 £ and September costing on average 123 £
The cheapest month to fly to Porto is Monday costing on average 50 £ or Wednesday costing on average 54 £.
The most expensive days are Thursday costing on average 66 £ and Friday costing on average 62 £.