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

Delta Air LinesDLDelta Air Lines
Round Trip•Economy
United StatesPDX

Portland International Airport

Portland, United States
DenmarkBLL

Billund Airport

Billund, Denmark
$862 USD
-35%$556 USD
Verified 1 day ago
Fair Availability
34% of dates checked are available within 10% of the lowest price

Monday, September 21st, 2026

7 round-trip options

Returning
Sat, Sep 26, 2026•5 Day Trip
$839 USD
Google Flights
Returning
Sun, Sep 27, 2026•6 Day Trip
$688 USD
Google Flights
Returning
Mon, Sep 28, 2026•7 Day Trip
$564 USD
Google Flights
Returning
Wed, Sep 30, 2026•9 Day Trip
$716 USD
Google Flights
Returning
Thu, Oct 1, 2026•10 Day Trip
$688 USD
Google Flights
Returning
Sat, Oct 3, 2026•12 Day Trip
$839 USD
Google Flights
Returning
Sun, Oct 4, 2026•13 Day Trip
$839 USD
Google Flights