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

Wednesday, December 16th, 2026

7 round-trip options

Returning
Mon, Dec 21, 20265 Day Trip
$1,418 USD
Returning
Wed, Dec 23, 20267 Day Trip
$1,408 USD
Returning
Sat, Dec 26, 202610 Day Trip
$1,972 USD
Returning
Sun, Dec 27, 202611 Day Trip
$1,435 USD
Returning
Mon, Dec 28, 202612 Day Trip
$1,280 USD
Returning
Tue, Dec 29, 202613 Day Trip
$1,664 USD
Returning
Wed, Dec 30, 202614 Day Trip
$1,435 USD