Cheapest return flights from Billund (BLL) to Porto (OPO), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
28 Sep 09 Oct Norwegian Air Sweden AOC
09 Sep 13 Sep Norwegian Air Sweden AOC
18 Sep 25 Sep Norwegian Air Sweden AOC
21 Sep 28 Sep Norwegian Air Sweden AOC
21 Sep 28 Sep Norwegian Air Sweden AOC
Direct Flight
03 Sep 06 Sep Norwegian Air Sweden AOC
04 Sep 07 Sep Norwegian Air Sweden AOC
21 Sep 09 Oct Norwegian Air Sweden AOC
Direct Flight
28 Sep 09 Oct Norwegian Air Sweden AOC
Direct Flight
21 Sep 25 Sep Norwegian Air Sweden AOC
Direct Flight
21 Sep 02 Oct Norwegian Air Sweden AOC
Direct Flight
07 Sep 14 Sep Norwegian Air Sweden AOC
Direct Flight
04 Sep 07 Sep Norwegian Air Sweden AOC
Direct Flight
14 Sep 28 Sep Norwegian Air Sweden AOC
Direct Flight
14 Sep 02 Oct Norwegian Air Sweden AOC
Direct Flight
18 Sep 02 Oct Norwegian Air Sweden AOC
Direct Flight
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Updated Jul 3, 2026.

About these fares

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