Cheapest return flights from Billund to Porto in May from $219

AirHint found the following cheapest return flights from Billund (BLL) to Porto (OPO) in May 2026 (see full year).

Return flights

05 May - 19 May Air France
16 May - 19 May Norwegian Air Sweden AOC
16 May - 19 May Norwegian Air Sweden AOC direct
08 May - 22 May KLM
12 May - 26 May KLM
05 May - 19 May Norwegian Air Sweden AOC direct
10 May - 24 May KLM
05 May - 09 May Lufthansa
05 May - 09 May Norwegian Air Sweden AOC direct
13 May - 17 May Wizz Air

Also check the deals for one-way flights from Billund to Porto in May.

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