Portland (PDX) to Billund (BLL) flight deal in economy from $602

Thursday, December 31st, 2026

9 round-trip options

Returning
Tue, Jan 5, 20275 Day Trip
$2,112 USD
Returning
Thu, Jan 7, 20277 Day Trip
$2,101 USD
Returning
Fri, Jan 8, 20278 Day Trip
$646 USD
Returning
Sat, Jan 9, 20279 Day Trip
$2,560 USD
Returning
Sun, Jan 10, 202710 Day Trip
$646 USD
Returning
Mon, Jan 11, 202711 Day Trip
$604 USD
Returning
Tue, Jan 12, 202712 Day Trip
$2,094 USD
Returning
Wed, Jan 13, 202713 Day Trip
$613 USD
Returning
Thu, Jan 14, 202714 Day Trip
$1,409 USD