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The cheapest month to fly to Lisbon is May costing on average 93 £ or September costing on average 112 £.
The most expensive months are July costing on average 179 £ and December costing on average 139 £
The cheapest month to fly to Lisbon is Saturday costing on average 52 £ or Tuesday costing on average 54 £.
The most expensive days are Thursday costing on average 67 £ and Friday costing on average 64 £.