Portland (PDX) to Billund (BLL) flight deal in economy from $556

Friday, December 18th, 2026

8 round-trip options

Returning
Thu, Dec 24, 20266 Day Trip
$1,281 USD
Returning
Fri, Dec 25, 20267 Day Trip
$1,543 USD
Returning
Sat, Dec 26, 20268 Day Trip
$2,107 USD
Returning
Sun, Dec 27, 20269 Day Trip
$1,570 USD
Returning
Mon, Dec 28, 202610 Day Trip
$1,415 USD
Returning
Tue, Dec 29, 202611 Day Trip
$1,799 USD
Returning
Thu, Dec 31, 202613 Day Trip
$2,074 USD
Returning
Fri, Jan 1, 202714 Day Trip
$1,646 USD